Patent US3248598A successfully refreshed from Google Patents.
US3248598A
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US
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Deflection circuit
Assignee: Westinghouse Electric Corp
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Filing: 1962-12-03
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Granted: 1966-04-26
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Alec H B Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:59
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/83; H03K4/84; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DEFLECTION CIRCUIT COMPRISING, A SOURCE OF DIRECT CURRENT, A DEFLECTION COIL, A DIODE, MEANS CONNECTING SAID DIODE AND SAID COIL IN SERIES WITH EACH OTHER AND TO SAID SOURCE, A CAPACITOR, A CONTROLLABLE RECTIFIER, MEANS CONNECTING SAID CAPACITOR AND SAID RECTIFIER IN SERIES WITH EACH OTHER AND IN PARALLEL TO SAID COIL WITH SAID RECTIRIER CONNECTED WITH REVERSE POLARITY TO SAID DIODE IN SERIES WITH SAID SOURCE, THE POLARITIES OF SAID DIODE AND SAID RECTIFIER RELATIVE TO SAID SOURCE BEING SUCH THAT SAID RECTIFIER MAY BE MADE CONDUCTIVE DURING THE RETRACE CURRENT INTERVAL AND SAID DIODE BECOMES CONDUCTIVE DURING THE TRACE CURRENT INTERVAL OF FLOW OF DEFLECTION CURRENT THROUGH SAID COIL, A SOURCE OF TURN-ON DRIVE VOLTAGE PULSES, MEANS CONNECTING THE VOLTAGE PULSES FROM SAID DRIVE VOLTAGE SOURCE TO SAID CONTROLLABLE RECTIFIER IN A MANNER TO CAUSE SAID RECTIFIER TO BECOME CONDUCTIVE AT THE BE-
Claim 2
Dependent Claim
146 words
A DEFLECTION CIRCUIT COMPRISING, A SOURCE OF DIRECT CURRENT, A DEFLECTION COIL, A DIODE, MEANS CONNECTING SAID DIODE AND SAID COIL IN SERIES WITH EACH OTHER AND TO SAID SOURCE, A CAPACITOR, A CONTROLLABLE RECTIFIER, MEANS CONNECTING SAID CAPACITOR AND SAID RECTIFIER IN SERIES WITH EACH OTHER AND IN PARALLEL TO SAID COIL WITH SAID RECTIRIER CONNECTED WITH REVERSE POLARITY TO SAID DIODE IN SERIES WITH SAID SOURCE, THE POLARITIES OF SAID DIODE AND SAID RECTIFIER RELATIVE TO SAID SOURCE BEING SUCH THAT SAID RECTIFIER MAY BE MADE CONDUCTIVE DURING THE RETRACE CURRENT INTERVAL AND SAID DIODE BECOMES CONDUCTIVE DURING THE TRACE CURRENT INTERVAL OF FLOW OF DEFLECTION CURRENT THROUGH SAID COIL, A SOURCE OF TURN-ON DRIVE VOLTAGE PULSES, MEANS CONNECTING THE VOLTAGE PULSES FROM SAID DRIVE VOLTAGE SOURCE TO SAID CONTROLLABLE RECTIFIER IN A MANNER TO CAUSE SAID RECTIFIER TO BECOME CONDUCTIVE AT THE BE-
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |