US3090290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data processing system
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1960-10-14
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Granted: 1963-05-21
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Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Donald S Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:30
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/006; G03D13/00; G03D13/007; G03D5/003; G03D5/06; G03D5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A DATA PROCESSING SYSTEM, COMPRISING: A SOURCE OF MOVING DATA BEARING FILM, SAID FILM HAVING AN INDETERMINATE VELOCITY; PROCESSING MEANS, INCLUDING A PROCESSING MEDIUM FOR CONTINUOUSLY PROCESSING SAID FILM, THE TIME OF PROCESSING BEING PRESELECTED IN ACCORDANCE WITH SELECTED CHARACTERISTICS OF SAID MEDIUM AND FILM; CONVEYANCE MEANS COUPLED TO SAID SOURCE AND PROCESSING MEANS FOR TRANSPORTING SAID FILM THROUGHI SAID PROCESSING MEANS AT SAID FILM VELOCITY; FILM LENGTH CONTROL MEANS COUPLED TO SAID CONVEYANCE AND PROCESSING MEANS FOR CONTROLLING THE LENGTH OF FILM IN SAID PROCESSING MEANS, SAID CONTROL MEANS INCLUDING A REFERENCE VELOCITY SIGNAL GENERATOR FOR PRODUCING A REFERENCE VELOCITY SIGNAL PROPORTIONAL TO SAID PRESELECTED TIME, A FILM DENSITY SENSOR FOR PRODUCING A SIGNAL INDICATIVE OF SAID FILM DENSITY AND MODIFYING SAID REFERENCE VELOCITY SIGNAL PROPORTIONAL TO SAID FILM DENSITY, FOR PROVIDING CONTROLLED DENSITY OF SAID PROCESSED FILM, A FILM VELOCITY SENSOR FOR PRODUCING A SIGNAL INDICATIVE OF SAID FILM VELOCITY, A VELOCITY COMPARATOR FOR PRODUCING AN ERROR SIGNAL IN ACCORDANCE WITH THE ALGEBRAIC DIFFERENCE OF SAID VELOCITY SIGNALS; AND DRIVING MEANS COUPLED TO SAID FILM
Claim 2
Dependent Claim
177 words
A DATA PROCESSING SYSTEM, COMPRISING: A SOURCE OF MOVING DATA BEARING FILM, SAID FILM HAVING AN INDETERMINATE VELOCITY; PROCESSING MEANS, INCLUDING A PROCESSING MEDIUM FOR CONTINUOUSLY PROCESSING SAID FILM, THE TIME OF PROCESSING BEING PRESELECTED IN ACCORDANCE WITH SELECTED CHARACTERISTICS OF SAID MEDIUM AND FILM; CONVEYANCE MEANS COUPLED TO SAID SOURCE AND PROCESSING MEANS FOR TRANSPORTING SAID FILM THROUGHI SAID PROCESSING MEANS AT SAID FILM VELOCITY; FILM LENGTH CONTROL MEANS COUPLED TO SAID CONVEYANCE AND PROCESSING MEANS FOR CONTROLLING THE LENGTH OF FILM IN SAID PROCESSING MEANS, SAID CONTROL MEANS INCLUDING A REFERENCE VELOCITY SIGNAL GENERATOR FOR PRODUCING A REFERENCE VELOCITY SIGNAL PROPORTIONAL TO SAID PRESELECTED TIME, A FILM DENSITY SENSOR FOR PRODUCING A SIGNAL INDICATIVE OF SAID FILM DENSITY AND MODIFYING SAID REFERENCE VELOCITY SIGNAL PROPORTIONAL TO SAID FILM DENSITY, FOR PROVIDING CONTROLLED DENSITY OF SAID PROCESSED FILM, A FILM VELOCITY SENSOR FOR PRODUCING A SIGNAL INDICATIVE OF SAID FILM VELOCITY, A VELOCITY COMPARATOR FOR PRODUCING AN ERROR SIGNAL IN ACCORDANCE WITH THE ALGEBRAIC DIFFERENCE OF SAID VELOCITY SIGNALS; AND DRIVING MEANS COUPLED TO SAID FILM
References Cited (Backward Citations)
US2945429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |