US3391300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skew corrected deflection circuit
Assignee: International Business Machines Corp
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Filing: 1965-10-28
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Granted: 1968-07-02
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Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Donald J Hinkein
- 👤 Albert G Stritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:50
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/24; G09; G09G; G09G1/00; G09G1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DEFLECTION CIRCUIT FOR USE WITH GRAPHIC DISPLAY SYSTEMS EMPLOYING CATHODE RAY TUBES HAVING ELECTROMAGNETIC DEFLECTION WINDINGS COMPRISING, SWITCH MEANS CONNECTED TO AT LEAST ONE OF SAID WINDINGS FOR SELECTIVELY CONNECTING SAID CONNECTED WINDINGS IN RESPONSE TO CONTROL SIGNAL TO A PLURALITY OF CURRENT SOURCES EACH OF WHICH SUPPLIES A DIFFERENT MAGNITUDE OF CURRENT TO SAID CONNECTED WINDINGS FOR CAUSING BEAM DEFLECTION, AND MEANS MOMENTARILY OPERATIVE UNDER CONTROL OF SAID CONTROL SIGNALS AND CONNECTED TO SAID WINDINGS AND SWITCH MEANS FOR ACCEPTING AND SUPPLYING CURRENT AS REQUIRED TO SUBSTANTIALLY MAINTAIN THE EXISTING CURRENT IN THE CONNECTED WINDINGS DURING THE TIME REQUIRED BY SAID SWITCH MEANS TO ASSUME A NEW STATE IN RESPONSE TO SAID CONTROL SIGNALS.
Claim 2
Dependent Claim
116 words
A DEFLECTION CIRCUIT FOR USE WITH GRAPHIC DISPLAY SYSTEMS EMPLOYING CATHODE RAY TUBES HAVING ELECTROMAGNETIC DEFLECTION WINDINGS COMPRISING, SWITCH MEANS CONNECTED TO AT LEAST ONE OF SAID WINDINGS FOR SELECTIVELY CONNECTING SAID CONNECTED WINDINGS IN RESPONSE TO CONTROL SIGNAL TO A PLURALITY OF CURRENT SOURCES EACH OF WHICH SUPPLIES A DIFFERENT MAGNITUDE OF CURRENT TO SAID CONNECTED WINDINGS FOR CAUSING BEAM DEFLECTION, AND MEANS MOMENTARILY OPERATIVE UNDER CONTROL OF SAID CONTROL SIGNALS AND CONNECTED TO SAID WINDINGS AND SWITCH MEANS FOR ACCEPTING AND SUPPLYING CURRENT AS REQUIRED TO SUBSTANTIALLY MAINTAIN THE EXISTING CURRENT IN THE CONNECTED WINDINGS DURING THE TIME REQUIRED BY SAID SWITCH MEANS TO ASSUME A NEW STATE IN RESPONSE TO SAID CONTROL SIGNALS.
References Cited (Backward Citations)
US2907899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |