Title of Invention

AM/FM RADIO SYSTEM AND PROCESS OF BIDIRECTIONAL COMMUNICATION

Abstract Involving the wave link in a electronic device added on to the regular broad cast AM/FM radio of the users and wave log in the base station which receives the signals over a pager network/GSM network and embedded systems which are designed to interpret the signals from the wave link device Matching them to the broadcast context to derive the intentions of user Sending an a encoded form of message by wave link over a pager network indicating users choice through wave log receiver with embedded system code Matching these signals to vendors and targets to obtain the particular thing on a CD/Cassettes.
Full Text

AM/FM RADIO DEVICE WITH BI-DIRECTIONAL COMMUNICATION
Field of the Invention
The present invention relates generally to communication technology. More particularly this invention relates to interactive AM/FM radio and more specifically it relates to an AM/FM radio device with bi-directional communication capabilities for making a broadcast AM/FM radio an interactive bi-directional communication device.
Users can indicate their choice through selection of one of a multiplicity of choices available using the simple intuitive interface of a device, called Wave Link, that is attached on to a regular AM/FM radio. This device has a way to detect the station that the user is currently listening to. When the user is listening to a particular song on the current radio station, the user can indicate his or her desire to obtain the corresponding CD by pressing a designated button. The user is immediately shipped the good and charged accordingly. For example, if a user is driving in the San Francisco Bay area and is listening to 103.7FM and presses a designated button, then he/she gets the CD with the song that he/she is currently listening to from a retail vendor for CDs. It also provides a way for the advertisers to advertise for a particular product and give the users an instantaneous option to press a designated button on their Wave Link to get the so advertised product sent to them right away. It also makes possible a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a designated button on the Wave Link.
Description of the Prior Art
It can be appreciated that AM/FM radios have been in use for years. The only form of interactivity associated with the AM/FM radio was dealt with in US6081693: Television and radio information pager. This invention consists of one-way and two-way paging systems that allow the pager user to send a request for television and/or radio programming information. The system informs users about television and/or radio programming information which will be of interest to them, based on profiles of users' interests filed with the service provider. In a one-way paging system, the service provider makes periodic transmissions of timely programming information of interest to the pager user. In a two-way paging system, the service provider transmits information when a request is received from the user. The user may also select a program from the information transmitted and instruct the service provider to purchase the program, if pay-per-view, or have the program recorded by the user's VCR..
The main problem with this invention is that the devices so constructed do not allow a user to signal their desires, intentions and choices about items mentioned in the programming content. This prevents the devices from having the ability to be bidirectional communication channels about the contents within the radio programming. The existing devices are just instruments that let a user purchase the recording of the programming itself and not the advertised items or proclaimed items within the programming.

While these devices may be suitable for the particular purpose to which they address, they are not as suitable for making a broadcast AM/FM radio an interactive bi-directional communication device. Users can indicate their choice through selection of one of a multiplicity of choices available using the simple intuitive interface of a device, called Wave Link, that is attached on to a regular AM/FM radio This device has a way to detect the station that the user is currently listening to. When the user is listening to a particular song on the current radio station, the user can indicate his or her desire to obtain the corresponding CD by pressing a button. The user is immediately shipped the good and charged accordingly. For example, if a user is driving in the San Francisco Bay area and is listening to 103.7FM and presses a designated button, then he/she gets the CD with the song that he/she is currently listening to from a retail vendor for CDs. It also provides a way for the advertisers to advertise for a particular product and give the users an instantaneous option to press a designated button on their Wave Link to get this product sent to them right away. It also makes possible the creation of a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a designated button on the Wave link. The main problem with devices based on prior art is that they are not devices that allow a user to signal their desires, intentions and choices about items mentioned in the programming content making the radio and the added device a two way communication channel about the contents within the radio programming. The existing devices are just instruments that let a user purchase the recording of the programming itself and not the advertised items or proclaimed items within the programming.
It is to be noted that the prior art description give in detail information of the technology method, process and system known in the art. It explain the deficiency in the related art and the object of the invention being to overcome or surmount the problem associated with the prior art. This forms the essential feature and object of the invention.
In these respects, the AM/FM radio device with bi-directional communication according to the present invention substantially departs from the conventional concepts and designs of the prior art, and in so doing provides an apparatus primarily developed for the purpose of making a broadcast AM/FM radio an interactive bidirectional communication device. Users can indicate their choice through selection of one of a multiplicity of choices available using the simple intuitive interface of a device, called Wave Link, that is attached on to a regular AM/FM radio. This device has a way to detect the station that the user is currently listening to. When the user is listening to a particular song on the current radio station, the user can indicate his or her desire to obtain the corresponding CD by pressing a button. The user is immediately shipped the good and charged accordingly. For example, if a user is driving in the San Francisco Bay area and is listening to 103.7FM and presses a designated button, then he/she gets the CD with the song that he/she is currently listening to from a retail vendor for CDs. It also provides a way for the advertisers to advertise for a particular product and give the users an instantaneous option to press a designated button on their Wavelink to get this product sent to them right away. It

also makes possible a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a designated button on the WaveLink.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the prior art, the present invention provides a new AM/FM radio device with bi-directional communication construction wherein the same can be utilized for making a broadcast AM/FM radio an interactive bi-directional communication device. Users can indicate their choice through selection of one of a multiplicity of choices available using the simple intuitive interface of a device, called Wave Link, that is attached on to a regular AM/FM radio. This device has a way to detect the station that the user is currently listening to. When the user is listening to a particular song on the current radio station, the user can indicate his or her desire to obtain the corresponding CD by pressing a button. The user is immediately shipped the good and charged accordingly. For example, if a user is driving in the San Franscisco Bay area and is listening to 103.7FM and presses a designated button, then he/she gets the CD with the song that he/she is currently listening to from a retail vendor for CDs. It also provides a way for the advertisers to advertise for a particular product and give the users an instantaneous option to press a designated button on their Wave link to get this product sent to them right away. It also makes possible a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a designated button on the Wave link..
The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new AM/FM radio device with bidirectional communication that has many of the advantages of the regular broadcast AM/FM radio mentioned heretofore and many novel features that result in a new AM/FM radio device with bi-directional communication which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art, either alone or in any combination thereof.
To attain this, the present invention generally comprises Wave Link, an electronic device added on to the regular broadcast AM/FM radios of the users, and WaveLog, consisting of a base station that receives these signals over a pager network and software designed to interpret the signals from the WaveLink devices and map the selection of a particular choice by the user at a particular time during a broadcast program to a set of actions. Wave Link sends an encoded form of messages over a pager network indicating user's choices. WaveLog consists of a receiver for WaveLink signals and software for matching these signals to vendors & targets.
One could also use the cell phone networks as an alternative to pager networks as a medium of communication.
In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other

embodiments and of being practiced and carried out in various ways. Also, it is tb be understood that the phraseology and terminology employed herein are for the purpose of the description and should not be regarded as limiting.
A primary object of the present invention is to provide an AM/FM radio device with bi-directional communication that will overcome the shortcomings of the prior art devices.
An object is to provide an AM/FM radio device with bi-directional communication that describes a bi-direction communications network built to provide interactive content, good and services between radio stations and listenersUsers can indicate their choice through selection of one of a multiplicity of choices available using the simple intuitive interface of a device, called Wave Link, that is attached on to a regular AM/FM radio. This device has a way to detect the station that the user is currently listening to. When the user is listening to a particular song on the current radio station, the user can indicate his or her desire to obtain the corresponding CD by pressing a button. The user is immediately shipped the good and charged accordingly. For example, if a user is driving in the San Franscisco Bay area and is listening to 103.7FM and presses a designated button, then he/she gets the CD with the song that he/she is currently listening to from a retail vendor for CDs.
Another object is to provide an AM/FM radio device with bi-directional communication that it provides a way for the advertisers to advertise for a particular product and give the users an instantaneous option to press a designated button on their WaveLink device to get this product sent to them right away.
Another object is to provide an AM/FM radio device with bi-directional communication that facilitates a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a button on the WaveLink.
Another object is to provide an AM/FM radio device with bi-directional communication that allows real-time polling while a radio program is happening.
Other objects and advantages of the present invention will become obvious to the reader and it is intended that these objects and advantages are within the scope of the present invention.
To the accomplishment of the above and related objects, this invention may be embodied in the form illustrated in the accompanying drawings, attention being called to the fact, however, that the drawings are illustrative only, and that changes may be made in the specific construction illustrated.

The inventor has made great effort to provide a device which meet the requirement of the industry and overcome the problem associated in the prior art.
At the outset of the description which follows it is to be understood that ensuring description only illustrate a particular form of this invention. However, such particular form is only an exemplary embodiment without intending to imply any limitation on the scope of this invention. Accordingly, the description is to be understood as an exemplary embodiment and reading of the invention is not intended to be taken restrictively.
The above and other objects features and disadvantages will be clear from the following description of preferred embodiment taken in conjunction with accompanying drawings.
The foregoing description is outlined rather broadly preferred and alternative feature of the present invention so that those skilled in the art may better understand the detailed description of the invention that follows. Additional features of the invention will be described hereinafter that from the subject of claims of the invention. Those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiment as a basis for designing and modifying other structures for carrying out the same purposes of the present invention. Those skilled in the art should realize such equalent conception do not depart from the spirit and scope of the invention in its broadest form
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings are intended to provide further understanding of invention and is incorporated in and constitute a part of invention. The drawings illustrate an embodiment of invention and together with the description illustrate principle of invention.
The drawings should not be taken as implying any necessary limitation on the essential scope of invention.
The drawings are given by way of non-limitative example to explain the nature of invention.
For a more complete understanding of the instant invention reference is now made to the following description taken in conjunction with accompanying drawings.
The various feature of novelty which characterize the invention are pointed out specifically in the claims which a part of description. For a better understanding of the invention, it s operating advantage, specific objects obtained by its use, reference should be made to the drawings and descriptive matter is which there are illustrated and described preferred embodiments of invention

Referring now to drawings, where like numerals designate identical or corresponding parts throughout the referred views.
BRIEF DESCRIPTION OF THE DRAWINGS
Various other objects, features and attendant advantages of the present invention will become fully appreciated as the same becomes better understood when considered in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts throughout the several views, and wherein:
FIG.l is Method 1 for detecting the current radio station of the user.
FIG.2 is Method 2 for detecting the current radio station of the user.
FIG.3 is Method 3 for detecting the current radio station of the user.
FIG.4 is Method 3 for detecting the current radio station of the user.
FIG.5 is Comprehensive schematic of the Wave Voice network.
FIG.6 is Detailed schematic for WaveLink and WaveLog signaling.
FIG.7 is Data transmission schemes for TDMA and CSMA/CD.
FIG.8 is Data transmission scheme for CDMA.

DESCRIPTION OF THE PREFERRED EMBODIMENT
Turning now descriptively to the drawings, in which similar reference characters denote similar elements throughout the several views, the attached figures illustrate an AM/FM radio device with bi-directional communication, which comprises an electronic device, WaveLink, added on to a regular AM/FM radio, and WaveLog with a base station that receives these signals over a pager network and contains software designed to interpret the signals from the WaveLink devices and match them to their "broadcast" context to derive the intentions of the users. WaveLink sends an encoded form of messages over a pager network indicating user's choices. WaveLog Consists of a receiver for WaveLink signals and software for matching these signals to vendors & targets. We could also use the cell phone networks as an alternative to pager networks as a medium of communication.
WaveLink has mechanisms to keep track the current station its user is listening to,
the location of the user and a clock. When a user selects a button by pressing it, then
the device communicates a 5-tuplet, Area >. The message travels on a pager network that the device puts the message on
and reaches a base station. In order to detect the current station that the user is
listening to, Wave Link has a detection probe that needs to be attached to the tuned
receiver of the AM/FM radio through a simple installation procedure. The tuned
receiver in radios is basically a calibrated unit that has the fiinction :
Radio Frequency =3 x Function(Volts) Equ(l)
Modern radios digitally synthesize this frequency. The WaveLink probe records the received signal power at the tuned receiver. Knowing the voltage at the tuned receiver, it can find the frequency from Equ (1).
Using these mechanisms, WaveLink knows the current station of the user and can get time and location information from the pager or cellular/PCS network. Each Wave Link device has a unique ID. The user input is derived from the button that the user presses. Figure 1 shows this type of station detection mechanism. We have two other different station detection mechanisms. One involves having a WaveLink and Radio together in one device. This integrated device is used by the user as a radio. The user relies on a cassette tape mechanism to connect to the speakers in the car and use them as speakers for the radio on WaveLink. Figure 2 shows this type of station detection mechanism. The WaveLink and Radio integrated mechanisms comes with an attached special cassette tape that can fit into the regular cassette deck in a car and exploit the car speakers through this cassette deck. Figure 3 shows yet another mechanism for station detection mechanism. WaveLink comes with a photosensitive CCD array that when placed on the display panel of a regular AM/FM radio will detect the digits and letters information on the display. WaveLink can recognize these digits and letters using standard pattern recognition techniques to deduce the current station of the user. Figure 4 shows a manual method where the user apriori synchronizes his station memory selections with the WaveLink station selections. When a user changes his or her radio station, they have to simultaneously change the station selection on WaveLink.

WaveLink sends out encoded messages over the pager network. The WaveLog receiver gets these messages and routes them to the software. The software decodes these messages and takes appropriate action to contact the vendors that fulfill user's intentions or parties that are the target of the user's choices.
WaveLog consists of a base station receiver for WaveLink signals and software for matching these signals to vendors & targets. The receiver routes the signals to a software designed to interpret the signals over the pager network, sent by the WaveLink devices and match them to their "broadcast context" to derive the intentions of the users whose WaveLink sent these signals. It also has a way for users to associate WaveLinks with their profiles, and software for interacting with the parties involved in the content of the radio programming, such that the parties can be associated with the WaveLink owners who signal their intention to be so associated to complete a transaction.
WaveLink has mechanisms to keep track of the current station the user is listening to, a clock and the location information of the user. When a user selects a button by pressing it, then the device communicates a 5-tuplet, . The message travels on a pager network that the device puts the message on and reaches a "base station" that that consists of a receiver antenna, and software that fleshes out the context of the message and derives its meaning and executes the corresponding action. The users of a Device should register with Wave Voice via telephone or the website specially designated for this purpose. For example, if a user John is listening to Sade's song at 9.16.46 AM, and presses button 1 on his WaveLink, indicating that he wants the CD that contains this song, then WaveLog gets a message like . The WaveLog software will take care of interpreting that John Resnick (ID WV123394) wants the CD of the song played at 9.16.46am on 103.7fm in the San Francisco Bay area. The software also know that this song is from Sade's Smooth Operator CD. It knows this information by collaborating with the radio stations and deriving it from their automated content programming systems. Figure 5 shows the schematic of how the invention works.
Figure 6 shows a more detailed schematic of the Wave Voice network.
With reference to Figure 6:
Users is the term used to describe listeners to a particular radio station.
Wavelink is the term used to describe the unit associated with the user. Each unit has
a designated identification with it indicated by the user ID 'User [i]\ As indicated by
the labels on each antenna in Figure 5, each Wavelink unit can:
a) receive FM radio and
b) transmit data on a pager, PCS/cellular or similar system
c) Possibly sense transmission or receive data from other Wavelink units.
AM/FM Station is the term used to describe a radio station as commonly understood by today standards which is transmitting within the AM/FM radio band.

Wave Voice network is the term used to describe the wireless connection which connects Users and AM/FM Stations providing a bi-directional link enabling information content to flow between user and vendors using the AM/FM stations. WaveLog is the term used to describe the intermediate equipment which
a) receives all radio stations transmitting in the AM/FM band and logs the content of these stations
b) receives the data transmitted by Users Wavelink over the Wave Voice network
Wireless allocated slot time-division-multiple-access (TDMA) concept
Figure 7 illustrates one possible embodiment of the communications protocol available for use by the Wavevoice Network. The information content of a radio station transmitting of channel {/} is shown in Figure 6a. During some period, information of interest to the listener is flagged for more information. Figure 7b and 7c illustrate two users, identified as user #j and user #k shown in Figure 6, listening to the same radio station and flagging content of interest at various times spanning minutes. Each user has a transmitter identification number (indicated by [j] or [k]) which identifies it being able to transmit during a predefined time slot within a time-division-multiple access (TDMA) connection. Each user waits for their pre-assigned (allocated) time slot to arrive and then they transmit their data. Figure 6d illustrates a few operation details of the allocated TDMA protocol:
• In the first instance of the time slot for User [j], no radio content has been flagged so no data is transmitted by the WaveLink unit.
• In the first instance of the time slot for User [k], two pieces of radio content have been flagged. This time slot is used to transmit both pieces of data to WaveLog.
• so no data is transmitted by the WaveLink unit.
• If the User flags radio content which arrives after or during data transmission as illustrated in Figure 6c, this information is stored in the WaveLink unit until the next allocated TDMA slot arrives.
This allocated slot TDMA connection would be a wireless link operating within the pager or PCS/cellular radio frequency bands. The connection would span over the distance of a metropolitan area or greater. As each user needs to know when their slot is going to occur, timing synchronization in the Wavelength Network is required for a slotted TDMA approach. Therefore, each WaveLink unit needs to be equipped with the capability to listen to other WaveLink units to determine timing and synchronize to it's time allocated time slot. This leads to added receiver complexity to the WaveLink units as illustrated by the additional antenna shown in Figure 6.
Carrier sense multiple access with collision detected (CSMA/CD)
An alternative approach to the above would be to replace the predefined time slot allocated to the user with a variable slot technique similar to that used by Ethernet connections. This protocol is generally referred to as Carrier sense multiple access with collision detected (CSMA/CD). The user can again listen to the pager network until a period of silence, at which time any user can transmit their data. If a collision of data occurs, both users pull back a random period of time after which they attempt to transmit the information again. Each Wave Link unit still needs to be equipped with the capability to listen to other WaveLink units as per the Slotted TDMA

technique. However, the receiver does not need to listen to data, only to the presence of any signal (a carrier) on the Wave Voice Network, This dramatically reduces the complexity of the receiver compared to that in TDMA.
Wireless code division multiple access (CDMA)
Yet another approach is to use Code Division Multiple Access (CDMA) transmission schemes as used by some cellular radio networks such as GSM. The advantage of this scheme is that no synchronization is required at the users' receiver compared with the schemes details in TDMA and CSMA/CD. As a result no listening to the Wavevoice network traffic is required which may be preferred if data security of the network is an issue. CDMA transmission schemes provide a relative degree of network security as each user's WaveLink now cannot receive information from other users transmitting on the pager network. The security aspect however is superficial at best, as any standard amateur radio could be used to receive this information. Using long codes provides added security, however these codes could be determined in time.
The primary advantage of CDMA is that the receiver technology is simpler as no receiver for the pager is required - The additional antenna illustrated in Figure 6 could be deleted. All users are assigned a long and unique code that they transmit to represent each single bit of message data transmitted. This is illustrated in Figure 8 which shows a coded signal for transmission (figure 8a) and the message data is represents (Figure 8b). The receiver in the WaveLog of the WaveVoice network listens to all the codes being simultaneous transmitted by many Wavelink units. The data base store at WaveLog stores the unique code of each Wavelink unit and matches up the received signals with the stored code. When a match is found, the Wavelink unit can decode if a one or zero was contained in the message data. The disadvantage of this scheme is that the codes need to be unique for each user, so that the length of the codes need to be very long to ensure no two users are mistaken by the Wavevoice network. However it is unlikely that a large number of users will transmit at the same time, so the chance of incorrectly determining a user can be made suitably low.
Discussion
Three transmission techniques and protocols have been proposed for the WaveVoice network. An important limitation with the slotted TDMA approach is that the number of channel (1 to N) must be assigned when the network is build. Therefore, inherently the system does not scale - ie. it does not easily allow the system to expand if the number of users in the network increases. Additionally, the latency before the user can transmit the information back to the WaveLog is proportional to the number of users assigned in a network and the slot width. Assuming a low bit rate channel bandwidth of lKb/s, table 1 indicates the amount of time before a slot repeats or latency. For 10,000 users and 32 bytes of data in the TDMA slot, latency would be around 43 minutes. As the number of users grows further, this latency becomes hours!


The carrier sense multiple access with collision detected (CSMA/CD) does not have allocated slot durations or a set number of slots which would prevent the system from scaling. As with Ethernet that uses the same technique, adding additional users requires only adding a new unique identification number to the WaveLink unit assigned to the user. Latency is reduced significantly compared with slotted TDMA.
The CDMA technique offers possibly the best solution for the WaveVoice network. Long codes are used to identify users. Generally complex codes need to be chosen, however as it is not expected that a large number of users will attempt to flag data from the FM station at the same time, this system should be extremely robust. If the code length was 28=256 and the data was 32 bytes at lKb/s, the time before the user could transmit again 91atency) would be around 1 minute. The disadvantage of this scheme is that the transmitter complexity is increased, as now long codes must be stored and used to represent message data. However, this technology is digital and most likely CDMA transmission technology has been reduced to a standard chip set.
The receiver base stations for the WaveLog could be configured in a few different ways. We can have a receiver base station per radio broadcast region and all the base stations in all the broadcast regions could be connected to a centralized webserver via land-based telephone lines. The web server hosts the software part of the WaveLog. The WaveLink messages travel to their nearest receiver base station via pager or cellular or PCS networks and are transferred via land-based telephone lines to the WaveLog webservers. Alternately, all the WaveLink messages could travel over the pager network to just one base station receiver located at the WaveLog webserver and the location tag in the messages can identify their broadcast region. The former method leads to reduced message latency times while the later leads to cheaper hardware installation.
As to a further discussion of the manner of usage and operation of the present invention, the same should be apparent from the above description. Accordingly, no further discussion relating to the manner of usage and operation will be provided.
With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.



I CLAIM
An AM/FM radio device with bi-directional communication for making a
broadcast AM/FM radio an interactive bi-directional communication device
comprises Wave Link, an electronic device added on to the regular broadcast
AM/FM radios of the users, and wavelog, consisting of a base station that
receives these signals over a pager network and , designed to interpret the
signals from the wavelink devices and match them to their "broadcast" context to derive the intentions of the users, wave link sends an encoded form of messages over a pager network indicating user's choices, wavelog consists of a receiver for wavelink signals and software for matching these signals to vendors & targets. An AM/FM radio device with bi-directional communication for making a broadcast AM/FM radio an interactive bi-directional communication device. Users can signal their desires, intentions and choices using the simple intuitive interface of a device called wavelink, that is added on to a regular AM/FM broadcast radio.
An AM/FM radio device with bi-directional communication for making a
broadcast AM/FM radio an interactive bi-directional communication device as
claimed in claim 1 wherein the system has > for the advertisers to advertise
for a particular product and give the users an instantaneous option to press a designated button on their wavelink device to get this product sent to them right away.
An AM/FM radio device with bi-directional communication for making a broadcast AM/FM radio an interactive bi-directional communication device as claimed in claim 1 wherein the c ... provide an AM/FM radio device with bidirectional communication that facilitates a broadcast auction, where the auctioneer is on the radio and users send in their next bid by pressing a button on the wavelink.
An AM/FM radio device with bi-directional communication for making a broadcast AM/FM radio an interactive bi-directional communication device as claimed in claim 1 wherein wavelink that is an electronic device added on to a , regular AM/FM broadcast radio, and wavelog consi^jng of a base station for receiving these signals over a pager network and '.. "._ ^ designed to interpret the signals from the wavelink devices and match them to their "broadcast context" to derive the intentions of the users, wavelink sends an encoded form of messages over a pager network indicating user's choices, wherein wavelog consists of a base station receiver for wavelink signals and software for matching these signals to vendors & targets.
An AM/FM radio device with bi-directional communication for making a
broadcast AM/FM radio an interactive bi-directional communication device as
claimed in claim 1 wherein the system provide^an AM/FM radio device with bi
directional communication that allows real-time polling while a radio program is
i i J. -

Documents:

024-che-2004-abstract.pdf

024-che-2004-claims duplicate.pdf

024-che-2004-claims original.pdf

024-che-2004-correspondnece-others.pdf

024-che-2004-correspondnece-po.pdf

024-che-2004-description(complete) duplicate.pdf

024-che-2004-description(complete) original.pdf

024-che-2004-description(provisional).pdf

024-che-2004-drawings.pdf

024-che-2004-form 1.pdf

024-che-2004-form 19.pdf

024-che-2004-form 26.pdf


Patent Number 210208
Indian Patent Application Number 24/CHE/2004
PG Journal Number 07/2008
Publication Date 15-Feb-2008
Grant Date 25-Sep-2007
Date of Filing 12-Jan-2004
Name of Patentee DR. M. V. NAGENDRA PRASAD
Applicant Address C/O. M.V. LAKSHMANA REDDY, PRANITHA RESIDENCY, PLOT NO. 390, FLAT 201, H.I.G PHASE 6, K.P.H.B. COLONY, KUKATPALLY, HYDRABAD 500 072,
Inventors:
# Inventor's Name Inventor's Address
1 DR. M. V. NAGENDRA PRASAD C/O. M.V. LAKSHMANA REDDY, PRANITHA RESIDENCY, PLOT NO. 390, FLAT 201, H.I.G PHASE 6, K.P.H.B. COLONY, KUKATPALLY, HYDRABAD 500 072,
PCT International Classification Number H04 B 001/16
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA