US3131255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television control system
Assignee: Motorola Solutions Inc
•
Filing: 1962-01-02
•
Granted: 1964-04-28
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Nardo Frank L Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/50; H04N5/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A TELEVISION RECEIVER, A SOUND MUTING AND PICTURE BLANKING SYSTEM OPERABLE DURING CHANNEL SWITCHING, INCLUDING IN COMBINATION, AN ADJUSTABLE CHANNEL SELECTOR, A CATHODE RAY PICTURE TUBE HAVING A CATHODE, A NORMALLY CLOSED SWITCH RESPONSIVE TO OPERATION OF SAID SELECTOR TO BE MOVED TO AN OPEN POSITION, A SOURCE OF B+ ENERGIZING POTENTIAL, A VOLTAGE DIVIDER CONNECTED BETWEEN SAID SWITCH AND SAID SOURCE OF B+ ENERGIZING POTENTIAL AND INCLUDING AN INTERMEDIATE TERMINAL CONNECTED TO SAID CATHODE, AND A RECEIVER SOUND SYSTEM INCLUDING A PLURALITY OF ELECTRON CONTROL DEVICES WITH AN ENERGIZING CIRCUIT THEREFOR CONNECTED TO SAID SWITCH FOR SUPPLY OF OPERATING CURRENT FROM SAID SOURCE OF B+ ENERGIZING POTENTIAL THROUGH SAID VOLTAGE DIVIDER AND SAID SWITCH TO SAID SOUND SYSTEM SO THAT OPENING OF SAID SWITCH OPEN CIRCUITS SAID ENERGIZING CIRCUIT TO DISABLE SAID SOURCE SYSTEM AND PERMITS SAID CATHODE TO RISE TO A CUT OFF POTENTIAL FOR SAID PICTURE TUBE WITH RECREASED CURRENT THROUGH SAID VOLTAGE DIVIDER.
Claim 2
Dependent Claim
158 words
IN A TELEVISION RECEIVER, A SOUND MUTING AND PICTURE BLANKING SYSTEM OPERABLE DURING CHANNEL SWITCHING, INCLUDING IN COMBINATION, AN ADJUSTABLE CHANNEL SELECTOR, A CATHODE RAY PICTURE TUBE HAVING A CATHODE, A NORMALLY CLOSED SWITCH RESPONSIVE TO OPERATION OF SAID SELECTOR TO BE MOVED TO AN OPEN POSITION, A SOURCE OF B+ ENERGIZING POTENTIAL, A VOLTAGE DIVIDER CONNECTED BETWEEN SAID SWITCH AND SAID SOURCE OF B+ ENERGIZING POTENTIAL AND INCLUDING AN INTERMEDIATE TERMINAL CONNECTED TO SAID CATHODE, AND A RECEIVER SOUND SYSTEM INCLUDING A PLURALITY OF ELECTRON CONTROL DEVICES WITH AN ENERGIZING CIRCUIT THEREFOR CONNECTED TO SAID SWITCH FOR SUPPLY OF OPERATING CURRENT FROM SAID SOURCE OF B+ ENERGIZING POTENTIAL THROUGH SAID VOLTAGE DIVIDER AND SAID SWITCH TO SAID SOUND SYSTEM SO THAT OPENING OF SAID SWITCH OPEN CIRCUITS SAID ENERGIZING CIRCUIT TO DISABLE SAID SOURCE SYSTEM AND PERMITS SAID CATHODE TO RISE TO A CUT OFF POTENTIAL FOR SAID PICTURE TUBE WITH RECREASED CURRENT THROUGH SAID VOLTAGE DIVIDER.
References Cited (Backward Citations)
US3011017A
Cited
US3096397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |