Patent US3134927A successfully refreshed from Google Patents.
US3134927A
Expired / Lapsed
US
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Beam deflection and centering circuit using a differential amplifier
Assignee: General Electric Co
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Filing: 1960-09-21
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Granted: 1964-05-26
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:50
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/227; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/69; H03K4/693
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DIFFERENTIAL AMPLIFIER COMPRISING A FIRST TRANSISTOR, A SECOND TRANSISTOR, EACH OF SAID TRANSISTORS HAVING A BASE, EMITTER AND COLLECTOR, AN EMITTER RESISTOR COMMON TO THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS, DEFLECTION COIL CONNECTED BETWEEN THE COLLECTORS OF SAID TRANSISTORS, MEANS TO APPLY A WAVEFORM COMPRISING A FIRST D.C. AND AN A.C. VOLTAGE TO A FIRST TERMINAL, MEANS TO APPLY AN ADJUSTABLE SECOND D.C. VOLTAGE TO SAID SECOND TRANSISTOR, CONSTANT VOLTAGE DROPPING MEANS COUPLED BETWEEN SAID FIRST TERMINAL AND SAID FIRST TRANSISTOR PASSING SAID A.C. VOLTAGE FOR SHIFTING THE D.C. COMPONENT OF SAID WAVEFORM TO A LEVEL IN THE RANGE OF SAID SECOND
Claim 2
Dependent Claim
105 words
A DIFFERENTIAL AMPLIFIER COMPRISING A FIRST TRANSISTOR, A SECOND TRANSISTOR, EACH OF SAID TRANSISTORS HAVING A BASE, EMITTER AND COLLECTOR, AN EMITTER RESISTOR COMMON TO THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS, DEFLECTION COIL CONNECTED BETWEEN THE COLLECTORS OF SAID TRANSISTORS, MEANS TO APPLY A WAVEFORM COMPRISING A FIRST D.C. AND AN A.C. VOLTAGE TO A FIRST TERMINAL, MEANS TO APPLY AN ADJUSTABLE SECOND D.C. VOLTAGE TO SAID SECOND TRANSISTOR, CONSTANT VOLTAGE DROPPING MEANS COUPLED BETWEEN SAID FIRST TERMINAL AND SAID FIRST TRANSISTOR PASSING SAID A.C. VOLTAGE FOR SHIFTING THE D.C. COMPONENT OF SAID WAVEFORM TO A LEVEL IN THE RANGE OF SAID SECOND
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |