Patent US5721584A successfully refreshed from Google Patents.
US5721584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way broadcast system and receiving system
Assignee: Sony Corp
•
Filing: 1995-06-06
•
Granted: 1998-02-24
•
Expires: 2015-06-06
Abstract
Abstract A two-way broadcasting system and a receiving system which can be realized at a low cost and is not required to newly connect the connecting cables and extended wiring layout. A multiplexed broadcast signal is transmitted from the broadcasting side under the condition that the two-way broadcast program information can be separated from the principal audio signal of the broadcast program and the two-way broadcast program information can be reproduced as the audible sound in the receiving side. In the receiving side, such broadcast signal is received and the reproduced voice signal including the two-way broadcast program information is reproduced from a loud speaker system. The two-way broadcast program information is extracted from the collected voice signal and is then decoded in a decoding means. Using this decoded information, the response information to the two-way broadcast program can be transmitted to the predetermined response sending destination through the communication line.
Inventors
- 👤 Hitoshi Yoshinobu
- 👤 Yoshitsugu Hattori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:10
CPC Classifications
H; H04; H04H; H04H20/00; H04H20/86; H04H20/93; H04H20/28; H04H20/30; H04H20/31; H04H20/65; H04H20/76; H04H60/00; H04H60/29; H04H60/31; H04H60/33; H04H60/76; H04H60/78; H04H60/80; H04H60/81; H04H60/93; H04H60/94; H04N; H04N7/00; H04N7/04; H04N7/08; H04N7/16; H04N7/173; H04N7/17309
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
150 words
A method for operating a two-way broadcasting system, comprising the steps of: transmitting a broadcast signal, from a transmitting side, where two-way broadcast program information is multiplexed under the condition that said two-way broadcast program information can be separated from a principal audio signal of a relevant broadcast program and said two-way broadcast program information can then be reproduced as audible sound in a receiving side; and receiving said broadcast signal, in said receiving side, outputting a reproduced voice signal including said two-way broadcast program information from a loud speaker system, displaying a guidance message representing operating instructions to a user, selectably energizing a microphone for collecting voices outputted from said speaker system, extracting said two-way broadcast program information from said collected voice signal for decoding and transmitting a response information to a two-way broadcast program to a predetermined response sending destination through a communication line using said decoded information.
Claim 2
Independent Claim
150 words
A method for operating a two-way broadcasting system, comprising the steps of: transmitting a broadcast signal, from a transmitting side, where two-way broadcast program information is multiplexed under the condition that said two-way broadcast program information can be separated from a principal audio signal of a relevant broadcast program and said two-way broadcast program information can then be reproduced as audible sound in a receiving side; and receiving said broadcast signal, in said receiving side, outputting a reproduced voice signal including said two-way broadcast program information from a loud speaker system, displaying a guidance message representing operating instructions to a user, selectably energizing a microphone for collecting voices outputted from said speaker system, extracting said two-way broadcast program information from said collected voice signal for decoding and transmitting a response information to a two-way broadcast program to a predetermined response sending destination through a communication line using said decoded information.
Claim 3
Dependent Claim
214 words
A receiving system for a two-way broadcast program wherein two-way broadcast program information is multiplexed under the condition that said two-way broadcast program information can be separated from a principal audio signal of a broadcast program and can be reproduced as an audible sound in a receiving side, comprising: a two-way broadcast program receiving and reproducing means including display means for displaying a guidance message for instructing a user in operating said receiving system; a two-way response sending device which is individually provided independent of said two-way broadcast program receiving and reproducing means and is coupled to a communication line; said two-way response sending device further comprising: a sound collecting means for collecting voices outputted from said speaker system of said broadcast program receiving and reproducing means; energizing means for selectably energizing and de-energizing said sound collecting means such that power conservation is realized when said sound collecting means is de-energized: a decoding means for extracting the two-way broadcast program information multiplexed in the principal audio signal from an output voice signal of said sound collecting means and then decoding said two-way broadcast program information; and a transmitting means for sending said response information to said two-way broadcast program through said communication line using said two-way broadcast program information decoded by said decoding means.
Claim 4
Dependent Claim
214 words
A receiving system for a two-way broadcast program wherein two-way broadcast program information is multiplexed under the condition that said two-way broadcast program information can be separated from a principal audio signal of a broadcast program and can be reproduced as an audible sound in a receiving side, comprising: a two-way broadcast program receiving and reproducing means including display means for displaying a guidance message for instructing a user in operating said receiving system; a two-way response sending device which is individually provided independent of said two-way broadcast program receiving and reproducing means and is coupled to a communication line; said two-way response sending device further comprising: a sound collecting means for collecting voices outputted from said speaker system of said broadcast program receiving and reproducing means; energizing means for selectably energizing and de-energizing said sound collecting means such that power conservation is realized when said sound collecting means is de-energized: a decoding means for extracting the two-way broadcast program information multiplexed in the principal audio signal from an output voice signal of said sound collecting means and then decoding said two-way broadcast program information; and a transmitting means for sending said response information to said two-way broadcast program through said communication line using said two-way broadcast program information decoded by said decoding means.
Claim 5
Dependent Claim
62 words
A receiving system depending on claim 2, wherein said two-way response sending device comprises a remote control commander and an adapter, wherein said remote control commander includes said sound collecting means and said decoding means; and said adapter includes a receiving part for receiving a remote control signal from said remote control commander and said transmitting means coupled to said communication line.
Claim 6
Dependent Claim
27 words
A two-way broadcasting system depending on claim 1, wherein said information regarding the two-way broadcast program is multiplexed as the DTMF signal in said principal audio signal.
Claim 7
Dependent Claim
34 words
A receiving system depending on claim 3, wherein said information regarding said two-way broadcast program is multiplexed as the DTMF signal in the principal audio signal and said decoding means is a DTMF decoder.
Claim 8
Independent Claim
119 words
An apparatus for responding via telephone line to an inquiry transmitted as part of a television signal, comprising in combination: a microphone for receiving audible DTMF signals produced by a television set, said television set producing said audible DTMF signals upon decoding of said television signal and further producing a guidance message representing operating instructions to a user; energizing means for selectably energizing and de-energizing said microphone such that power conservation is realized when said microphone is de-energized; a DTMF decoder for decoding said DTMF signals to produce a decoded signal; and a modem for transmitting said decoded signal to a remote location via telephone connection; and dialing means for dialing a telephone number decoded from said DTMF signals.
Claim 9
Independent Claim
119 words
An apparatus for responding via telephone line to an inquiry transmitted as part of a television signal, comprising in combination: a microphone for receiving audible DTMF signals produced by a television set, said television set producing said audible DTMF signals upon decoding of said television signal and further producing a guidance message representing operating instructions to a user; energizing means for selectably energizing and de-energizing said microphone such that power conservation is realized when said microphone is de-energized; a DTMF decoder for decoding said DTMF signals to produce a decoded signal; and a modem for transmitting said decoded signal to a remote location via telephone connection; and dialing means for dialing a telephone number decoded from said DTMF signals.
Claim 10
Dependent Claim
138 words
A two way broadcast and receiving system, comprising: a television receiver for producing an audible DTMF signal, wherein information associated with a two way broadcast program is multiplexed to form said DTMF signal, said television receiver further producing a guidance message representing operating instructions to a user; a remote commander for decoding said DTMF signal to form a first decoded signal, said remote commander further including microphone means for receiving said audible DTMF signal and being selectably energizable and de-energizable such that power conservation is realized when said microphone means is de-energized, said remote commander further including generating means for generating a response signal in response to said first decoded signal; and an adapter coupled to a telephone line, wherein said adapter receives said response signal and forms a second decoded signal used to access a remote location.
Claim 11
Dependent Claim
138 words
A two way broadcast and receiving system, comprising: a television receiver for producing an audible DTMF signal, wherein information associated with a two way broadcast program is multiplexed to form said DTMF signal, said television receiver further producing a guidance message representing operating instructions to a user; a remote commander for decoding said DTMF signal to form a first decoded signal, said remote commander further including microphone means for receiving said audible DTMF signal and being selectably energizable and de-energizable such that power conservation is realized when said microphone means is de-energized, said remote commander further including generating means for generating a response signal in response to said first decoded signal; and an adapter coupled to a telephone line, wherein said adapter receives said response signal and forms a second decoded signal used to access a remote location.
Claim 12
Dependent Claim
25 words
A system according to claim 7, wherein said television receiver includes a speaker system and said audible DTMF signal is emitted from said speaker system.
Claim 13
Dependent Claim
19 words
A system according to claim 7, wherein said remote commander includes a microphone for receiving said audible DTMF signal.
Claim 14
Dependent Claim
18 words
A system according to claim 7, wherein said response signal is in the form of an infrared signal.
Claim 15
Dependent Claim
19 words
A system according to claim 10, wherein said adapter includes an infrared receiving section for receiving said infrared signal.
Claim 16
Dependent Claim
21 words
A system according to claim 7, wherein said adapter includes a modem for transmitting and receiving data through said telephone line.
Claim 17
Independent Claim
203 words
A method for operating a two way broadcasting and receiving system, comprising the steps of: generating an audible DTMF signal in a television receiver; displaying a guidance message representing operating instructions to a user; transmitting said audible DTMF signal from a television receiver to a remote controller; selectably energizing a microphone in said remote controller for receiving said audible DTMF signal; generating a reception failure message if said audible DTMF signal is not received after a predetermined time period; decoding said DTMF signal in said remote controller to form a first decoded signal; generating a response signal in response to said first decoded signal in said remote controller; transmitting said response signal to a signal reception section of an adapter coupled by a telephone line to a remote location; scanning said signal reception section to detect whether or not said response signal is received; decoding said response signal to form a second decoded signal indicative of said response signal in said adapter; transmitting said second decoded signal over said telephone line to said remote location; generating an error indication if said second decoded signal is not transmitted; and selectably de-energizing said microphone such that power conservation is realized when said microphone is de-energized.
Claim 18
Independent Claim
203 words
A method for operating a two way broadcasting and receiving system, comprising the steps of: generating an audible DTMF signal in a television receiver; displaying a guidance message representing operating instructions to a user; transmitting said audible DTMF signal from a television receiver to a remote controller; selectably energizing a microphone in said remote controller for receiving said audible DTMF signal; generating a reception failure message if said audible DTMF signal is not received after a predetermined time period; decoding said DTMF signal in said remote controller to form a first decoded signal; generating a response signal in response to said first decoded signal in said remote controller; transmitting said response signal to a signal reception section of an adapter coupled by a telephone line to a remote location; scanning said signal reception section to detect whether or not said response signal is received; decoding said response signal to form a second decoded signal indicative of said response signal in said adapter; transmitting said second decoded signal over said telephone line to said remote location; generating an error indication if said second decoded signal is not transmitted; and selectably de-energizing said microphone such that power conservation is realized when said microphone is de-energized.
Claim 19
Dependent Claim
25 words
A system according to claim 13, wherein said television receiver includes a speaker system and said audible DTMF signal is emitted from said speaker system.
Claim 20
Dependent Claim
18 words
A system according to claim 13, wherein said response signal is in the form of an infrared signal.
Claim 21
Dependent Claim
18 words
A system according to claim 15, wherein said signal reception section is adapted to received said infrared signal.
Claim 22
Dependent Claim
21 words
A system according to claim 13, wherein said adapter includes a modem for transmitting and receiving data through said telephone line.
References Cited (Backward Citations)
US4329684A
Cited
US4390901A
Cited
US4488179A
Cited
US4451701A
Cited
US4635121A
Cited
US4618995A
Cited
US4706121A
Cited
US4706121B1
Cited
US4847886A
Cited
US5191410A
Cited
US4829558A
Cited
US5077607A
Cited
US5151789A
Cited
US5243588A
Cited
US5473673A
Cited
US5457807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-02-23 | 2001-08-25 | 2002-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-23 | 2005-08-25 | 2006-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-23 | 2009-08-25 | 2010-02-24 | $7700.00 | Window Closed / Lapsed |