Patent US3746780A successfully refreshed from Google Patents.
US3746780A
Expired / Lapsed
US
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Video display system
Assignee: Mitre Corp
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Filing: 1971-02-25
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Granted: 1973-07-17
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Expires: 1991-02-25
Abstract
Abstract A video information transfer and display system having a plurality of video display devices and apparatus to select for display at particular display devices, on the basis of identification data incorporated within the video signals, predetermined video display information from sequential video signals also received at many other display sites. Video recorders are adapted to record selected portions of commercial television-type video signals and maintain the image displayed on associated television receivers.
Inventors
- 👤 K Stetten
- 👤 R Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:39
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/173; H04N7/17309; H04N7/17318; H04N1/00; H04N1/00095; H04N1/00098; H04N21/00; H04N21/80; H04N21/81; H04N21/812; H04N2007/1739
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
161 words
A video information transfer system comprising video display means, means to receive signals for display by said video display means, means to identify particular portions of said received signals, means to record signals received by said signal receiving means, means activating said recording means during receipt of said identified signal portions, said activated recording means then recording the identified portion of the received video signals, and means utilizing said recorded portion to maintain on said video display the information contained within said identified signal portion, said identification means comprising at least first and second portions, said second portions serving to control functions associated with particular ones of said video display means, one of said first portions of the identification means comprising a primary identification means and an associated keying means, means for retaining said keying means for comparison with subsequently sent second portions, and means activating said controlled function upon receipt of a second portion corresponding to said retained keying means.
Claim 2
Dependent Claim
161 words
A video information transfer system comprising video display means, means to receive signals for display by said video display means, means to identify particular portions of said received signals, means to record signals received by said signal receiving means, means activating said recording means during receipt of said identified signal portions, said activated recording means then recording the identified portion of the received video signals, and means utilizing said recorded portion to maintain on said video display the information contained within said identified signal portion, said identification means comprising at least first and second portions, said second portions serving to control functions associated with particular ones of said video display means, one of said first portions of the identification means comprising a primary identification means and an associated keying means, means for retaining said keying means for comparison with subsequently sent second portions, and means activating said controlled function upon receipt of a second portion corresponding to said retained keying means.
Claim 3
Dependent Claim
145 words
A video information transfer system comprising video display means, means to receive signals for display by said video display means, means to identify particular portions of said received signals, means to record signals received by said signal receiving means, means activating said recording meAns during receipt of said identified signal portions, said activated recording means then recording the identified portion of the received video signals, means utilizing said recorded portion to maintain on said video display the information contained within said identified signal portion, means associated with at least one identification means for originating and sending a user-originated video display to a video recording means, means responsive to said identification means for initiating the sending of at least a part of the video frame from said user-originated means, and means for routing said user-originated video frame to any required intermediate and final video recording means.
Claim 4
Dependent Claim
145 words
A video information transfer system comprising video display means, means to receive signals for display by said video display means, means to identify particular portions of said received signals, means to record signals received by said signal receiving means, means activating said recording meAns during receipt of said identified signal portions, said activated recording means then recording the identified portion of the received video signals, means utilizing said recorded portion to maintain on said video display the information contained within said identified signal portion, means associated with at least one identification means for originating and sending a user-originated video display to a video recording means, means responsive to said identification means for initiating the sending of at least a part of the video frame from said user-originated means, and means for routing said user-originated video frame to any required intermediate and final video recording means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |