Patent US3270131A successfully refreshed from Google Patents.
US3270131A
Expired / Lapsed
US
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Television receiver and video signal generator connectible for use therewith
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1963-01-25
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Granted: 1966-08-30
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Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Dinter Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:20
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/60; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/20; H04N5/76; H04N5/765; H04N5/775
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CIRCUIT ARRANGEMENT COMPRISING, IN COMBINATION: (A) A VIDEO SIGNAL GENERATOR INCORPORATING MEANS FOR MODULATING THE VIDEO SIGNAL ONTO A CARRIER; (B) A TELEVISION RECEIVER HAVING A PICTURE TUBE, VIDEO RECTIFIER MEANS FOR RECEIVING A BROADCAST VIDEO SIGNAL, SAID RECEIVING MEANS INCLUDING AN IF CIRCUIT HAVING A MULTIPLE STAGE IF AMPLIFIER WHOSE LAST STAGE IS CONNECTED TO SAID VIDEO RECTIFIER MEANS, AT LEAST ONE OF SAID COMPONENTS (A) AND (B) BEING A COMPONENT HAVING A CHASSIS WHICH SERVES AS A "GROUND" TO WHICH ONE TERMINAL OF A POWER SUPPLY IS CONNECTED; AND (C) REACTIVE COUPLING MEANS FOR ESTABLISHING A NONGROUNDED CONNECTION BETWEEN THE OUTPUT OF SAID MODULATING MEANS OF SAID SIGNAL GENERATOR AND SAID RECEIVER, SAID COUPLING MEANS BEING CONNECTED TO SAID RECEIVER AT A POINT THEREOF WHICH IS NO FURTHER FROM
Claim 2
Dependent Claim
132 words
A CIRCUIT ARRANGEMENT COMPRISING, IN COMBINATION: (A) A VIDEO SIGNAL GENERATOR INCORPORATING MEANS FOR MODULATING THE VIDEO SIGNAL ONTO A CARRIER; (B) A TELEVISION RECEIVER HAVING A PICTURE TUBE, VIDEO RECTIFIER MEANS FOR RECEIVING A BROADCAST VIDEO SIGNAL, SAID RECEIVING MEANS INCLUDING AN IF CIRCUIT HAVING A MULTIPLE STAGE IF AMPLIFIER WHOSE LAST STAGE IS CONNECTED TO SAID VIDEO RECTIFIER MEANS, AT LEAST ONE OF SAID COMPONENTS (A) AND (B) BEING A COMPONENT HAVING A CHASSIS WHICH SERVES AS A "GROUND" TO WHICH ONE TERMINAL OF A POWER SUPPLY IS CONNECTED; AND (C) REACTIVE COUPLING MEANS FOR ESTABLISHING A NONGROUNDED CONNECTION BETWEEN THE OUTPUT OF SAID MODULATING MEANS OF SAID SIGNAL GENERATOR AND SAID RECEIVER, SAID COUPLING MEANS BEING CONNECTED TO SAID RECEIVER AT A POINT THEREOF WHICH IS NO FURTHER FROM
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |