US3848082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for transmitting and utilizing supplemental data via television systems
Assignee: Atlantic Research Corp
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Filing: 1973-01-16
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Granted: 1974-11-12
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Expires: 1993-01-16
Abstract
Abstract A method and apparatus for transmitting and utilizing supplemental data via television signals. A portion of the field of a video signal is replaced with one or more supplemental data signals, and the modified television signal is transmitted by a television transmitter. The modified television signal can be received by a television receiver and displayed on the television screen. The portion of the field which contains the supplemental data signal or signals, which may appear as a visible or invisible dot on the television screen, is monitored by an optical transducer. The output of the optical transducer is applied to an output means which may decode variations in the optical transducer output and apply the decoded signal to a display, such as a visual read-out or printer, or other means for storing or utilizing the signal.
Inventors
- 👤 G Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:11
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/08; G; G09; G09B; G09B7/00; G09B7/02; G09B7/04; H04N7/087; H04N7/088
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
212 words
A system for transmitting and receiving a supplemental data signal with a normal video signal, said system comprising: a. transmitter means for transmitting said supplemental data signal and said video signal as a modified video signal, said transmitter means comprising: i. television camera means for producing said normal video signal in accordance with the image in the field of view of said camera means, ii serial data generator means for generating said supplemental data signal in coded form, iii video insertion means connected to said camera means and said data generator means for receiving said ordinary video signal and said coded supplemental data signal and for producing said modified video signal, and iv a transmitter for transmitting said modified video signal; and b receiver means for receiving said modified video signal, said receiver means comprising: i television receiver means for displaying said modified video signal such that said coded supplemental data signal occupies a portion of the field of said normal video signal, ii optical transducer means for detecting said supplemental data signal; iii decoding mans connected to said optical transducer means for decoding said supplemental data signal, and iv output means coupled to said optical transducer means and said decoding means, for producing an output indicative of said supplemental data signal.
Claim 2
Independent Claim
212 words
A system for transmitting and receiving a supplemental data signal with a normal video signal, said system comprising: a. transmitter means for transmitting said supplemental data signal and said video signal as a modified video signal, said transmitter means comprising: i. television camera means for producing said normal video signal in accordance with the image in the field of view of said camera means, ii serial data generator means for generating said supplemental data signal in coded form, iii video insertion means connected to said camera means and said data generator means for receiving said ordinary video signal and said coded supplemental data signal and for producing said modified video signal, and iv a transmitter for transmitting said modified video signal; and b receiver means for receiving said modified video signal, said receiver means comprising: i television receiver means for displaying said modified video signal such that said coded supplemental data signal occupies a portion of the field of said normal video signal, ii optical transducer means for detecting said supplemental data signal; iii decoding mans connected to said optical transducer means for decoding said supplemental data signal, and iv output means coupled to said optical transducer means and said decoding means, for producing an output indicative of said supplemental data signal.
Claim 3
Dependent Claim
11 words
The system of claim 1 wherein said supplemental data is digital.
Claim 4
Dependent Claim
18 words
The system of claim 2 wherein said data generator means includes keyboard means for entering said supplemental data.
Claim 5
Dependent Claim
41 words
The system of claim 3 wherein said data generator further includes parallel-to-serial convertor means connected to said video insertion means and said keyboard means for converting parallel data from said keyboard to serial data for application to said video insertion means.
Claim 6
Dependent Claim
35 words
The system of claim 1 wherein said video insertion means includes control means for controlling the size and location of said portion of the field of said video signal occupied by said supplemental data signal.
Claim 7
Dependent Claim
53 words
The system of claim 4 wherein the portion of said field of said video signal occupied by said supplemental data signal appears as a spot on said receiver means having a pattern of brightness and darkness corresponding to the serial digital data applied to said video insertion means frOm said parallel-to-serial convertor means.
Claim 8
Dependent Claim
25 words
The system of claim 1 wherein said output means includes display means for receiving said decoded supplemental data signal and for displaying said supplemental data.
Claim 9
Dependent Claim
35 words
The system of claim 7 wherein said output means further includes acceptor means for passing said supplemental data signal to said decoding means only when said supplemental data signal includes a predetermined initial code signal.
Claim 10
Dependent Claim
32 words
The system of claim 7 wherein said output means includes a keyboard means for supplying additional data to said display means for comparision with said supplemental data, thereby providing a participative system.
Claim 11
Dependent Claim
27 words
The system of claim 7 wherein said display means comprise a visual read-out device, a printer, and a switch means for selecting said read-out and/or said printer.
Claim 12
Dependent Claim
67 words
The system of claim 8 wherein means are provided to divide said supplemental data signal into a plurality of time division multiplexed channels and to create different predetermined code signals preceding the data in each channel, and wherein said acceptor means includes selector means for selecting a predetermined initial code signal and its corresponding supplemental data for passage to said decoder means and to said display means.
Claim 13
Dependent Claim
38 words
The system of claim 8 wherein means are provided to divide said supplemental data signal into a plurality of space diversity channels and to arrange said supplemental data in said channels in a pseudo-random or non pseudo-random sequence.
Claim 14
Dependent Claim
20 words
The system of claim 1 wherein said output means comprises means for storing said supplemental data signal for future use.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |