US3217295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Correlation pattern recognition apparatus
Assignee: North American Aviation Corp
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Filing: 1963-02-18
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Granted: 1965-11-09
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Bar Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/70; G06V10/74; G06V10/75; G06V10/88
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
151 words
APPARATUS FOR RECOGNIZING PATTERNS OF A DOCUMENT COMPRISING A SERIES OF MASKS, A FLYING A SPOT SCANNER, A CONDUCTOR INTERPOSED BETWEEN A MASK OF THE SERIES AND THE SCANNER, A LENS, A PHOTO-SENSITIVE DEVICE IN THE FOCAL PLANE OF THE LENS FOR COLLECTING LIGHT TRAMSMITTED FROM THE DOCUMENT AND MASK THROUGH THE LENS, A SWEEP AND BLANKING PULSE GENERATOR FOR CONTROLLING THE FYLING SPOT SCANNER, A STORAGE TUBE HAVING A BEAM SWEEP CONTROLLED BY THE SWEEP GENERATOR, AND HAVING A SCREEN AND CONTROL GRID, A VIDEO GATE HAVING AN INPUT CONNECTED TO THE OUTPUT OF THE PHOTO-SENSITIVE DEVICE AND AN OUTPUT CONNECTED TO MODULATE THE STORAGE TUBE BEAM, A GRID SWITCH FOR CONTROLLING THE STORAGE TUBE CONTROL GRID, A SCREEN SWITCH FOR CONTROLLING THE STORAGE TUBE SCREEN, A LOGIC GROUP SEQUENCER AND COUNTER RESPONSIVE TO PULSES FROM SAID SWEEP AND BLANKING GENERATOR FOR PROVIDING A PLURALITY OF CONTROL SIGNALS FOR SEQUEN-
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |