US3277335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display system using variable frequency, constant amplitude, constant width pulses applied to a cathode ray tube
Assignee: Individual
•
Filing: 1963-07-31
•
Granted: 1966-10-04
•
Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Paul M Moser
- 👤 Theodore R Trilling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:34
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/66; H04N5/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A DISPLAY SYSTEM: FIRST MEANS FREQUENCY MODULATING A CARRIER FREQUENCY IN ACCORDANCE WITH AMPLITUDE VARIATIONS IN AN INPUT SIGNAL, SECOND MEANS INCLUDING WAVE SHAPER MEANS AND MULTIVIBRATOR MEANS CONNECTED TO SAID FIRST MEANS GENERATING A PULSE IN RESPONSE TO EACH CYCLE OF SAID CARRIER FREQUENCY, CATHODE RAY TUBE MEANS, THIRD MEANS CONNECTING SAID SECOND MEANS TO THE INTENSIFER GRID OF SAID CATHODE RAY TUBE MEANS WHEREBY THE BEAM OF SAID CATHODE RAY TUBE MEANS IS TURNED ON IN RESPONSE TO EACH OF SAID PULSES.
Claim 2
Dependent Claim
85 words
IN A DISPLAY SYSTEM: FIRST MEANS FREQUENCY MODULATING A CARRIER FREQUENCY IN ACCORDANCE WITH AMPLITUDE VARIATIONS IN AN INPUT SIGNAL, SECOND MEANS INCLUDING WAVE SHAPER MEANS AND MULTIVIBRATOR MEANS CONNECTED TO SAID FIRST MEANS GENERATING A PULSE IN RESPONSE TO EACH CYCLE OF SAID CARRIER FREQUENCY, CATHODE RAY TUBE MEANS, THIRD MEANS CONNECTING SAID SECOND MEANS TO THE INTENSIFER GRID OF SAID CATHODE RAY TUBE MEANS WHEREBY THE BEAM OF SAID CATHODE RAY TUBE MEANS IS TURNED ON IN RESPONSE TO EACH OF SAID PULSES.
References Cited (Backward Citations)
US2678349A
Cited
US2602909A
Cited
US2823258A
Cited
US3214602A
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US3197558A
Cited
US3189683A
Cited
US3151215A
Cited
US3207173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |