Patent US3230292A successfully refreshed from Google Patents.
US3230292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube modulator
Assignee: Individual
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Filing: 1963-12-27
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Granted: 1966-01-18
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Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Claude C Routh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:22
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/32; H03C1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A CATHODE RAY TUBE MODULATOR COMPRISING: (A) A CATHODE RAY TUBE HAVING AN ELECTRON GUN WITH CONTROL GRID AND CATHODE ELEMENTS FOR GENERATING AN ELECTRON BEAM, HORIZONTAL AND VERTICAL DEFLECTION ELEMENTS FOR DEFLECTING SAID BEAM, AND A LIGHT PRODUCING SCREEN; (B) LIGHT SENSITIVE MEANS FOR CONVERTING LIGHT INTENSITY INTO VARIATIONS OF ELECTRICAL CURRENT OR VOLTAGE MOUNTED IN OPERABLE PROXIMITY TO SAID LIGHT PRODUCING SCREEN; (C) AN OPAQUE MASK WITH A CENTRAL WINDOW PERVIOUS TO LIGHT, THE PERVIOUS PORTION OF THE WINDOW HAVING RANDOM AREAS OF VARYING OPUAQUENESS, AND THE SIDE EDGES OF THE WINDOW BEING NONPARALLEL AND BEING SO ORIENTED WITH RESPECT TO SAID HORIZOTNAL AND VERTICAL DEFLECTION ELEMENTS AS TO VARY THE LENGTH OF THE HORIZONTAL SWEEP IN THE WINDOW AS A FUNCTION OF VERTICAL DEFLECTION; FGI-01 (D) A CARRIER SIGNAL COUPLED BETWEEN SAID CONTROL GRID AND CATHODE ELEMENTS FOR INTENSITY MODULATING SAID ELECTRON BEAM; AND (E) GENERATING MEANS FOR GENERATING HORIZONTAL AND VERTICAL DEFLECTION SIGNALS IN ACCORDANCE WITH A PREDETERMINED MODULATION PATTERN, SAID GENERATING MEANS HAVING HORIZONTAL AND VERTICAL SIGNAL OUTPUTS CONNECTED TO SAID HORIZONTAL AND VERTICAL DEFLECTION ELEMENTS, RESPECTIVELY.
Claim 2
Dependent Claim
182 words
A CATHODE RAY TUBE MODULATOR COMPRISING: (A) A CATHODE RAY TUBE HAVING AN ELECTRON GUN WITH CONTROL GRID AND CATHODE ELEMENTS FOR GENERATING AN ELECTRON BEAM, HORIZONTAL AND VERTICAL DEFLECTION ELEMENTS FOR DEFLECTING SAID BEAM, AND A LIGHT PRODUCING SCREEN; (B) LIGHT SENSITIVE MEANS FOR CONVERTING LIGHT INTENSITY INTO VARIATIONS OF ELECTRICAL CURRENT OR VOLTAGE MOUNTED IN OPERABLE PROXIMITY TO SAID LIGHT PRODUCING SCREEN; (C) AN OPAQUE MASK WITH A CENTRAL WINDOW PERVIOUS TO LIGHT, THE PERVIOUS PORTION OF THE WINDOW HAVING RANDOM AREAS OF VARYING OPUAQUENESS, AND THE SIDE EDGES OF THE WINDOW BEING NONPARALLEL AND BEING SO ORIENTED WITH RESPECT TO SAID HORIZOTNAL AND VERTICAL DEFLECTION ELEMENTS AS TO VARY THE LENGTH OF THE HORIZONTAL SWEEP IN THE WINDOW AS A FUNCTION OF VERTICAL DEFLECTION; FGI-01 (D) A CARRIER SIGNAL COUPLED BETWEEN SAID CONTROL GRID AND CATHODE ELEMENTS FOR INTENSITY MODULATING SAID ELECTRON BEAM; AND (E) GENERATING MEANS FOR GENERATING HORIZONTAL AND VERTICAL DEFLECTION SIGNALS IN ACCORDANCE WITH A PREDETERMINED MODULATION PATTERN, SAID GENERATING MEANS HAVING HORIZONTAL AND VERTICAL SIGNAL OUTPUTS CONNECTED TO SAID HORIZONTAL AND VERTICAL DEFLECTION ELEMENTS, RESPECTIVELY.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |