Patent EP0216532A1 successfully refreshed from Google Patents.
Patent US3263027A successfully refreshed from Google Patents.
US3263027A
Expired / Lapsed
US
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Simultaneous bilateral televideophonic communication systems
Assignee: Individual
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Filing: 1963-02-19
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Granted: 1966-07-26
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Beltrami Aurelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:01
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/14; H04N7/141; H04N7/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A SIMULTANEOUS BILATERAL TELEVIDEOPHONIC COMMUNICATION SYSTEM COMPRISING A PLURALITY OF RECEIVING AND TRANSMITTING POSTS, EACH POST INCLUDING A CATHODE RAY TUBE ADAPTED TO FUNCTION ALTERNATELY AS A SCANNING DEVICE AND AS A KINESCOPE, A RECTICLE ON THE FACE OF SAID CATHODE RAY TUBE, A SIGNAL GENERATOR CONNECTED TO SAID TUBE FOR PRODUCING SYNCHRONIZED VOLTAGES FOR CONROLLING THE RETICLE ON THE SCREEN OF SAID TUBE AT ONE POST AND FOR CONTROLLING THE SWITCHING OF SAID TUBE FROM A SCANNING DEVICE TO A KINESCOPE AT ANOTHER POST, A PHOTOSENSITIVE DEVICE ADJACENT SAID TUBE FOR SCANNING AN IMAGE TO BE TRANSMITTED, SOUND TRANSMITTING EQUIPMENT AT EACH POST FOR PROVIDING AUDIO SIGNALS, FIRST MIXER MEANS FOR COMBINING SIGNALS FROM SAID GENERATOR AND SAID SOUND EQUIPMEMT, SECOND MIXER MEANS FOR COMBINING SIGNALS FROM SAID GENERATOR AND SAID PHOTOSENSITIVE DEVICE, AND THIRD MIXER MEANS CONNECTED TO SAID FIRST AND SECOND MIXER MEANS FOR PRODUCING A SINGLE COMPOSITE SIGNAL, A SINGLE SIGNAL TRANSMISSION MEANS BETWEEN SAID POSTS FOR TRANSMITTING SAID COMPOSITE SIGNALS, AND AMPLIFIER-SEPARATOR MEANS RESPON-
Claim 2
Dependent Claim
169 words
A SIMULTANEOUS BILATERAL TELEVIDEOPHONIC COMMUNICATION SYSTEM COMPRISING A PLURALITY OF RECEIVING AND TRANSMITTING POSTS, EACH POST INCLUDING A CATHODE RAY TUBE ADAPTED TO FUNCTION ALTERNATELY AS A SCANNING DEVICE AND AS A KINESCOPE, A RECTICLE ON THE FACE OF SAID CATHODE RAY TUBE, A SIGNAL GENERATOR CONNECTED TO SAID TUBE FOR PRODUCING SYNCHRONIZED VOLTAGES FOR CONROLLING THE RETICLE ON THE SCREEN OF SAID TUBE AT ONE POST AND FOR CONTROLLING THE SWITCHING OF SAID TUBE FROM A SCANNING DEVICE TO A KINESCOPE AT ANOTHER POST, A PHOTOSENSITIVE DEVICE ADJACENT SAID TUBE FOR SCANNING AN IMAGE TO BE TRANSMITTED, SOUND TRANSMITTING EQUIPMENT AT EACH POST FOR PROVIDING AUDIO SIGNALS, FIRST MIXER MEANS FOR COMBINING SIGNALS FROM SAID GENERATOR AND SAID SOUND EQUIPMEMT, SECOND MIXER MEANS FOR COMBINING SIGNALS FROM SAID GENERATOR AND SAID PHOTOSENSITIVE DEVICE, AND THIRD MIXER MEANS CONNECTED TO SAID FIRST AND SECOND MIXER MEANS FOR PRODUCING A SINGLE COMPOSITE SIGNAL, A SINGLE SIGNAL TRANSMISSION MEANS BETWEEN SAID POSTS FOR TRANSMITTING SAID COMPOSITE SIGNALS, AND AMPLIFIER-SEPARATOR MEANS RESPON-
References Cited (Backward Citations)
US2017883A
Cited
US2197005A
Cited
US1980150A
Cited
US1987686A
Cited
US2314471A
Cited
US2520507A
Cited
US2537173A
Cited
US2895005A
Cited
US2985872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |