Patent US3098170A successfully refreshed from Google Patents.
US3098170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply circuit for television receivers
Assignee: RCA Corp
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Filing: 1961-11-20
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Granted: 1963-07-16
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Roland N Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:51
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C21D1/763; C01; C01B; C01B21/00; C01B21/02; H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H04N3/185; H04N3/1853; H04N9/00; H04N9/12; H04N9/16; H04N9/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
353 words
IN A TELEVISION RECEIVER HAVING AN IMAGE REPRODUCING CATHODE RAY TUBE INCLUDING A PLURALITY OF ELECTRON GUNS, EACH HAVING A CATHODE AND AN ACCELERATING ANODE, TO PRODUCE A PLURALITY OF ELECTRON MEANS, SAID RECEIVER FURTHER HAVING AN ELECTRON BEAM DEFLECTION CIRCUIT INCLUDING A TRANSFORMER HAVING FIRST AND SECOND WINDINGS ACROSS WHICH HIGH VOLTAGE RETRACE PULSES ARE DEVELOPED, EACH WINDING INCLUDING HIHG AND LOW PULSE VOLTAGE END TERMINALS, A DIRECT VOLTAGE GENERATING CIRCUIT FOR SUPPLYING OPERATING VOLTAGES TO THE ELECTRON GUNS OF SAID TUBE, COMPRISING IN COMBINATION: A FIRST RECTIFIER HAVING AN ANODE AND A CATHODE; MEANS CONNECTING THE LOW PULSE VOLTAGE END TERMINAL OF SAID FIRST WINDING TO A POINT OF REFERENCE POTENTIAL FOR SAID RECEIVER; MEANS CONNECTING THE ANODE OF SAID FIRST RECTIFIER TO THE HIGH PULSE VOLTAGE END TERMINAL OF SAID FIRST WINDING FOR RECTIFYING THE RETRACE PULSE ACROSS SAID WINDING TO DEVELOP A FIRST DIRECT VOLTAGE AT THE CATHODE OF SAID RECTIFIER; MEANS FOR APPLYING SAID FIRST DIRECT VOLTAGE TO THE CATHONDE OF ONE OF SAID PLURALITY OF ELECTRON GUNS; MEANS CONNECTING THE LOW PULSE VOLTAGE END TERMINAL OF SAID SECOND WINDING TO THE CATHODE OF THE FIRST RECTIFIER; A SECOND RECTIFIER HAVING A CATHODE AND AN ANODE; MEANS CONNECTING THE ANODE OF SAID SECOND RECTIFIER TO THE HIGH PULSE VOLTAGE END TERMINAL OF SAID SECOND WINDING FOR RECTIFIYING THE VOLTAGE ON THE ANODE OF SAID SECOND RECTIFIER TO DEVELOP A SECOND DIRECT VOLTAGE AT THE CATHODE OF SAID SECOND RECTIFIER; MEANS FOR APPLYING SAID SECOND DIRECT VOLTAGE TO THE ACCELERATING ANODES OF SAID PLURALITY OF ELECTRON GUNS TO PROVIDE IN CONJUNCTION WITH SAID FIRST DIRECT VOLTAGE AN ACCELERATING VOLTAGE BETWEEN THE CATHODE AND ACCELERATING ANODE OF SAID ONE OF SAID PLURALITY OF ELECTRON GUNS; AND MEANS FOR CONNECTING THE CATHODE OF ANOTHER OF SAID PLURALITY OF ELECTRON GUNS TO THE POINT OF REFERENCE POTENTIAL FOR SAID RECEIVER TO PROVIDE IN CONJUNCTION WITH SAID SECOND DIRECT VOLTAGE ON THE ACCELERATING ANODE OF SAID LAST NAMED ELECTRON GUN AN ACCELERATING VOLTAGE FOR SAID LAST NAMED ELECTRON GUN GREATER THAN THE ACCELERATING VOLTAGE FOR SAID ONE OF SAID PLURALITY OF ELECTRON GUNS.
Claim 2
Dependent Claim
353 words
IN A TELEVISION RECEIVER HAVING AN IMAGE REPRODUCING CATHODE RAY TUBE INCLUDING A PLURALITY OF ELECTRON GUNS, EACH HAVING A CATHODE AND AN ACCELERATING ANODE, TO PRODUCE A PLURALITY OF ELECTRON MEANS, SAID RECEIVER FURTHER HAVING AN ELECTRON BEAM DEFLECTION CIRCUIT INCLUDING A TRANSFORMER HAVING FIRST AND SECOND WINDINGS ACROSS WHICH HIGH VOLTAGE RETRACE PULSES ARE DEVELOPED, EACH WINDING INCLUDING HIHG AND LOW PULSE VOLTAGE END TERMINALS, A DIRECT VOLTAGE GENERATING CIRCUIT FOR SUPPLYING OPERATING VOLTAGES TO THE ELECTRON GUNS OF SAID TUBE, COMPRISING IN COMBINATION: A FIRST RECTIFIER HAVING AN ANODE AND A CATHODE; MEANS CONNECTING THE LOW PULSE VOLTAGE END TERMINAL OF SAID FIRST WINDING TO A POINT OF REFERENCE POTENTIAL FOR SAID RECEIVER; MEANS CONNECTING THE ANODE OF SAID FIRST RECTIFIER TO THE HIGH PULSE VOLTAGE END TERMINAL OF SAID FIRST WINDING FOR RECTIFYING THE RETRACE PULSE ACROSS SAID WINDING TO DEVELOP A FIRST DIRECT VOLTAGE AT THE CATHODE OF SAID RECTIFIER; MEANS FOR APPLYING SAID FIRST DIRECT VOLTAGE TO THE CATHONDE OF ONE OF SAID PLURALITY OF ELECTRON GUNS; MEANS CONNECTING THE LOW PULSE VOLTAGE END TERMINAL OF SAID SECOND WINDING TO THE CATHODE OF THE FIRST RECTIFIER; A SECOND RECTIFIER HAVING A CATHODE AND AN ANODE; MEANS CONNECTING THE ANODE OF SAID SECOND RECTIFIER TO THE HIGH PULSE VOLTAGE END TERMINAL OF SAID SECOND WINDING FOR RECTIFIYING THE VOLTAGE ON THE ANODE OF SAID SECOND RECTIFIER TO DEVELOP A SECOND DIRECT VOLTAGE AT THE CATHODE OF SAID SECOND RECTIFIER; MEANS FOR APPLYING SAID SECOND DIRECT VOLTAGE TO THE ACCELERATING ANODES OF SAID PLURALITY OF ELECTRON GUNS TO PROVIDE IN CONJUNCTION WITH SAID FIRST DIRECT VOLTAGE AN ACCELERATING VOLTAGE BETWEEN THE CATHODE AND ACCELERATING ANODE OF SAID ONE OF SAID PLURALITY OF ELECTRON GUNS; AND MEANS FOR CONNECTING THE CATHODE OF ANOTHER OF SAID PLURALITY OF ELECTRON GUNS TO THE POINT OF REFERENCE POTENTIAL FOR SAID RECEIVER TO PROVIDE IN CONJUNCTION WITH SAID SECOND DIRECT VOLTAGE ON THE ACCELERATING ANODE OF SAID LAST NAMED ELECTRON GUN AN ACCELERATING VOLTAGE FOR SAID LAST NAMED ELECTRON GUN GREATER THAN THE ACCELERATING VOLTAGE FOR SAID ONE OF SAID PLURALITY OF ELECTRON GUNS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |