Patent US3465137A successfully refreshed from Google Patents.
US3465137A
Expired / Lapsed
US
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Analog computation apparatus for generation of dynamic correction signals for cathode ray tubes
Assignee: General Electric Co
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Filing: 1966-12-29
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Granted: 1969-09-02
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Brouillette Jr
- 👤 Milton L Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; G; G06; G06G; G06G7/00; G06G7/12; G06G7/22; H04N3/22; H04N3/23; H04N3/233; H04N3/2335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN ANALOG COMPUTATION APPARATUS COMPRISING: (A) AN ELECTRON TARGET ASSEMBLY HAVING EIGHT MUTUALLY INSULATED SECTORS EACH HAVING EQUAL CENTRAL ANGLES; (B) AN ELECTRON GUN FOR PRODUCING A BEAM OF CENTROSYMMETRIC CROSS-SECTION AND OF UNIFORM CURRENT DENSITY THROUGHOUT, ARRANGED TO PRODUCE A SPOT ON SAID TARGET, EMBRACING A SUBSTANTIAL PORTION THEREOF; (C) A FIRST BEAM DEFLECTION MEANS HAVING TERMINALS FOR APPLICATION OF A FIRST ELECTRICAL INPUT QUANTITY, ALIGNED TO DEFLECT SAID BEAM PARALLEL TO THE BOUNDARY BETWEEN SECTORS I AND VIII AND THE BOUNDARY BETWEEN IV AND V WHERE THE SECTOR NUMERALS ARE ASSIGNED IN CONSECUTIVE ORDER; (D) A SECOND BEAM DEFLECTION MEANS HAVING TERMINALS FOR APPLICATION OF A SECOND ELECTRICAL INPUT QUANTITY ALIGNED TO PRODUCE A DEFLECTION ORTHOGONAL TO THAT OF SAID FIRST BEAM DEFLECTION MEANS; (E) A FIRST SUBTRACTIVE MEANS COUPLED TO EACH OF SAID SECTORS TO OBTAIN AN ELECTRICAL QUANTITY:
Claim 2
Dependent Claim
142 words
AN ANALOG COMPUTATION APPARATUS COMPRISING: (A) AN ELECTRON TARGET ASSEMBLY HAVING EIGHT MUTUALLY INSULATED SECTORS EACH HAVING EQUAL CENTRAL ANGLES; (B) AN ELECTRON GUN FOR PRODUCING A BEAM OF CENTROSYMMETRIC CROSS-SECTION AND OF UNIFORM CURRENT DENSITY THROUGHOUT, ARRANGED TO PRODUCE A SPOT ON SAID TARGET, EMBRACING A SUBSTANTIAL PORTION THEREOF; (C) A FIRST BEAM DEFLECTION MEANS HAVING TERMINALS FOR APPLICATION OF A FIRST ELECTRICAL INPUT QUANTITY, ALIGNED TO DEFLECT SAID BEAM PARALLEL TO THE BOUNDARY BETWEEN SECTORS I AND VIII AND THE BOUNDARY BETWEEN IV AND V WHERE THE SECTOR NUMERALS ARE ASSIGNED IN CONSECUTIVE ORDER; (D) A SECOND BEAM DEFLECTION MEANS HAVING TERMINALS FOR APPLICATION OF A SECOND ELECTRICAL INPUT QUANTITY ALIGNED TO PRODUCE A DEFLECTION ORTHOGONAL TO THAT OF SAID FIRST BEAM DEFLECTION MEANS; (E) A FIRST SUBTRACTIVE MEANS COUPLED TO EACH OF SAID SECTORS TO OBTAIN AN ELECTRICAL QUANTITY:
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |