US3329948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symbol generating apparatus
Assignee: Unisys Corp
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Filing: 1963-05-03
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Granted: 1967-07-04
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Charles P Halsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:12
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G09G1/08; G09G1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
SYMBOL-CHARACTER GENERATING APPARATUS FOR A CATHODE RAY TUBE DISPLAY COMPRISING: (A) MEANS FOR RECEIVING SYMBOL INFORMATION SIGNALS, (B) MEANS TO DECODE SAID RECEIVED INFORMATION SIGNALS COUPLED TO THE SIGNAL RECEIVING MEANS, (C) A MATRIX FOR EACH SYMBOL AND CHARACTER TO BE GENERATED, (D) A PLURALITY OF DIFFERENT MAGNITUDE RAMP GENERATORS FOR EACH COORDINATE BY WHICH THE SYMBOLS AND CHARACTERS ARE DEFINED, MEANS SELECTIVELY ELECTRICALLY CONNECTING THE RAMP GENERATORS TO THE MATRICES, (E) SUMMING MEANS CONNECTING SAID RAMP GENERATORS TO THE CORRESPONDING DEFLECTION CONTROL ELEMENTS OF A CATHODE RAY TUBE, (F) AND, MEANS TO APPLY A DECODED SYMBOL INFORMATION SIGNAL TO THE SYMBOL MATRIX IDENTIFIED BY THE RECEIVED INFORMATION SIGNALS THEREBY TO CAUSE THE RAMP GENERATORS TO PRODUCE A RESULTANT POTENTIAL OUTPUT FOR APPLICATION TO SAID DEFLECTION CONTROL ELEMENTS OF SAID CATHODE RAY TUBE EFFECTIVE TO CAUSE THE CATHODE RAY BEAM TO DISPLAY A SYMBOL OF SUBSTANTIALLY CONSTANT BRIGHTNESS ON THE SCREEN OF THE TUBE.
Claim 2
Dependent Claim
154 words
SYMBOL-CHARACTER GENERATING APPARATUS FOR A CATHODE RAY TUBE DISPLAY COMPRISING: (A) MEANS FOR RECEIVING SYMBOL INFORMATION SIGNALS, (B) MEANS TO DECODE SAID RECEIVED INFORMATION SIGNALS COUPLED TO THE SIGNAL RECEIVING MEANS, (C) A MATRIX FOR EACH SYMBOL AND CHARACTER TO BE GENERATED, (D) A PLURALITY OF DIFFERENT MAGNITUDE RAMP GENERATORS FOR EACH COORDINATE BY WHICH THE SYMBOLS AND CHARACTERS ARE DEFINED, MEANS SELECTIVELY ELECTRICALLY CONNECTING THE RAMP GENERATORS TO THE MATRICES, (E) SUMMING MEANS CONNECTING SAID RAMP GENERATORS TO THE CORRESPONDING DEFLECTION CONTROL ELEMENTS OF A CATHODE RAY TUBE, (F) AND, MEANS TO APPLY A DECODED SYMBOL INFORMATION SIGNAL TO THE SYMBOL MATRIX IDENTIFIED BY THE RECEIVED INFORMATION SIGNALS THEREBY TO CAUSE THE RAMP GENERATORS TO PRODUCE A RESULTANT POTENTIAL OUTPUT FOR APPLICATION TO SAID DEFLECTION CONTROL ELEMENTS OF SAID CATHODE RAY TUBE EFFECTIVE TO CAUSE THE CATHODE RAY BEAM TO DISPLAY A SYMBOL OF SUBSTANTIALLY CONSTANT BRIGHTNESS ON THE SCREEN OF THE TUBE.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |