Patent US3344307A successfully refreshed from Google Patents.
US3344307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver with instant-on and automatic degaussing
Assignee: Admiral Corp
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Filing: 1966-08-08
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Granted: 1967-09-26
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Peter H Van Anrooy
- 👤 Dennis G Abel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:43
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN COMBINATION WITH A COLOR TELEVISION RECEIVER HAVING SIGNAL TRANSLATION MEANS REQUIRING D.C. OPERATING CURRENT AND HAVING A PICTURE TUBE SUSCEPTIBLE TO EXTERNAL MAGNETIC FIELDS; PICTURE TUBE DEMAGNETIZING MEANS LOCATED ADJACENT SAID PICTURE TUBE; AN A.C. POWER SOURCE; A CAPACITOR; RECTIFYING MEANS; ADDITIONAL MEANS HAVING TWO DISTINCT OPERATING MODES; SAID ADDITIONAL MEANS ASSUMING A FIRST OF SAID TWO OPERATING MODES DURING TURNON OF SAID RECEIVER AND ESTABLISHING A FIRST SERIES CIRCUIT COMPRISING SAID SOURCE, SAID RECTIFYING MEANS AND SAID SIGNAL TRANSLATION MEANS; SAID ADDITIONAL MEANS ASSUMING A SECOND OF SAID TWO OPERATING MODES ON TURN-OFF OF SAID RECEIVER AND ESTABLISHING A SECOND SERIES CIRCUIT COMPRISING, IN THE ORDER NAMED, SAID SOURCE, SAID DEMAGNETIZING MEANS, SAID RECTIFYING MEANS AND SAID CAPACITOR; SAID CAPACITOR CHARGING AND BEING MAINTAINED IN A CHARGED CONDITION WHILE SAID RECEIVER IS TURNED OFF, WHEREBY SAID DEMAGNETIZING COILS ARE SUBJECTED TO AN ALTERNATING CURRENT OF DECREASING AMPLITUDE.
Claim 2
Dependent Claim
149 words
IN COMBINATION WITH A COLOR TELEVISION RECEIVER HAVING SIGNAL TRANSLATION MEANS REQUIRING D.C. OPERATING CURRENT AND HAVING A PICTURE TUBE SUSCEPTIBLE TO EXTERNAL MAGNETIC FIELDS; PICTURE TUBE DEMAGNETIZING MEANS LOCATED ADJACENT SAID PICTURE TUBE; AN A.C. POWER SOURCE; A CAPACITOR; RECTIFYING MEANS; ADDITIONAL MEANS HAVING TWO DISTINCT OPERATING MODES; SAID ADDITIONAL MEANS ASSUMING A FIRST OF SAID TWO OPERATING MODES DURING TURNON OF SAID RECEIVER AND ESTABLISHING A FIRST SERIES CIRCUIT COMPRISING SAID SOURCE, SAID RECTIFYING MEANS AND SAID SIGNAL TRANSLATION MEANS; SAID ADDITIONAL MEANS ASSUMING A SECOND OF SAID TWO OPERATING MODES ON TURN-OFF OF SAID RECEIVER AND ESTABLISHING A SECOND SERIES CIRCUIT COMPRISING, IN THE ORDER NAMED, SAID SOURCE, SAID DEMAGNETIZING MEANS, SAID RECTIFYING MEANS AND SAID CAPACITOR; SAID CAPACITOR CHARGING AND BEING MAINTAINED IN A CHARGED CONDITION WHILE SAID RECEIVER IS TURNED OFF, WHEREBY SAID DEMAGNETIZING COILS ARE SUBJECTED TO AN ALTERNATING CURRENT OF DECREASING AMPLITUDE.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |