US3229034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exciter lamp circuits
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1963-05-09
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Granted: 1966-01-11
•
Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Henry B Weisbecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/024; H04N1/028; H04N1/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A FACSIMILE SCANNING SYSTEM FOR GENERATING SIGNALS REPRESENTING SUBJECT COPY, IN COMBINATION, A PHOTOELECTRIC MODULATOR; MEANS FOR EFFECTING RELATIVE SCANNING MOVEMENT BETWEEN THE SUBJECT COPY AND SAID PHOTOELECTRIC MODULATOR, A DRIVING MOTOR FOR SAID MEANS, A CURRENT SOURCE FOR ENERGIZING SAID MOTOR, AND AN EXCITER LAMP FOR ILLUMINATING SAID SUBJECT COPY CONNECTED IN SERIES RELATION WITH SAID CURRENT SOURCE AND SAID MOTOR.
Claim 2
Dependent Claim
63 words
IN A FACSIMILE SCANNING SYSTEM FOR GENERATING SIGNALS REPRESENTING SUBJECT COPY, IN COMBINATION, A PHOTOELECTRIC MODULATOR; MEANS FOR EFFECTING RELATIVE SCANNING MOVEMENT BETWEEN THE SUBJECT COPY AND SAID PHOTOELECTRIC MODULATOR, A DRIVING MOTOR FOR SAID MEANS, A CURRENT SOURCE FOR ENERGIZING SAID MOTOR, AND AN EXCITER LAMP FOR ILLUMINATING SAID SUBJECT COPY CONNECTED IN SERIES RELATION WITH SAID CURRENT SOURCE AND SAID MOTOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |