Patent US3255437A successfully refreshed from Google Patents.
US3255437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic recognition
Assignee: Individual
•
Filing: 1961-01-23
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Granted: 1966-06-07
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jerome R Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:48
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F7/023; G06V; G06V10/00; G06V10/10; G06V10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN ELECTRONIC RECOGNITION SYSTEM COMPRISING A PLURALITY OF PHOTORECEPTORS INDIVIDUALLY PRODUCING ELECTRICAL SINGALS IN RESPONSE TO INCIDENT LIGHT, MEANS PERIODICALLY ACTIVATING SAID RECEPTORS TO PRODUCE PULSED SIGNALS THEREFROM, MEANS CENTERING SAID PLURALITY OF RECEPTORS UPON AN IMAGE TO BE RECOGNIZED, A PLURALITY OF DIFFERENTIATION CIRCUITS EACH INDIVIDUALLY CONNECTED TO A PLURALITY OF ADJACENT RECEPTORS FOR PRODUCING PULSES RESPONSIVE TO BORDERLINES BETWEEN LIGHT AND DARK PORTIONS OF THE IMAGE VIEWED, A PLURALITY OF DELAY LINES, EACH LINE CONNECTING SUCCESSIVE DIFFERENTIATED SIGNALS IN EACH SEGMENT OF PHOTORECEPTORS IN SEPARATE SEGMENTS OF THE PLURALITY THEREOF WHEREBY ALL DIFFERENTIATED SIGNALS IN EACH SEGMENT OF PHOTORECEPTORS ARRIVE AT A COMMON POINT IN TIME-SPACED REALTION AND MEANS CONTINUOUSLY COMPARING SIGNALS AT THE COMMON POINTS OF SAID SEGMENTS WITH PREDETERMINED SIGNAL CODES TO PRODUCE COINCIDENCE SIGNALS REPRESENTATIVE OF IDENTITIES BETWEEN PHOTORECEPTOR SIGNALS AND SIGNAL CODES CORRESPONDING TO PARTICULAR IMAGES.
Claim 2
Dependent Claim
142 words
AN ELECTRONIC RECOGNITION SYSTEM COMPRISING A PLURALITY OF PHOTORECEPTORS INDIVIDUALLY PRODUCING ELECTRICAL SINGALS IN RESPONSE TO INCIDENT LIGHT, MEANS PERIODICALLY ACTIVATING SAID RECEPTORS TO PRODUCE PULSED SIGNALS THEREFROM, MEANS CENTERING SAID PLURALITY OF RECEPTORS UPON AN IMAGE TO BE RECOGNIZED, A PLURALITY OF DIFFERENTIATION CIRCUITS EACH INDIVIDUALLY CONNECTED TO A PLURALITY OF ADJACENT RECEPTORS FOR PRODUCING PULSES RESPONSIVE TO BORDERLINES BETWEEN LIGHT AND DARK PORTIONS OF THE IMAGE VIEWED, A PLURALITY OF DELAY LINES, EACH LINE CONNECTING SUCCESSIVE DIFFERENTIATED SIGNALS IN EACH SEGMENT OF PHOTORECEPTORS IN SEPARATE SEGMENTS OF THE PLURALITY THEREOF WHEREBY ALL DIFFERENTIATED SIGNALS IN EACH SEGMENT OF PHOTORECEPTORS ARRIVE AT A COMMON POINT IN TIME-SPACED REALTION AND MEANS CONTINUOUSLY COMPARING SIGNALS AT THE COMMON POINTS OF SAID SEGMENTS WITH PREDETERMINED SIGNAL CODES TO PRODUCE COINCIDENCE SIGNALS REPRESENTATIVE OF IDENTITIES BETWEEN PHOTORECEPTOR SIGNALS AND SIGNAL CODES CORRESPONDING TO PARTICULAR IMAGES.
References Cited (Backward Citations)
US2838602A
Cited
US2932006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |