Patent US3886824A successfully refreshed from Google Patents.
US3238501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical scanning pen and codedcharacter reading system
Assignee: NCR Voyix Corp
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Filing: 1962-08-29
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Granted: 1966-03-01
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Stephen M F Mak
- 👤 Alfred S Tauber
- 👤 Samuel G Lebow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10881; G11; G11C; G11C13/00; G11C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A SYSTEM FOR READING CODED-CHARACTERS ON A RECORD MEDIUM WHEREIN SAID CODED-CHARACTERS FORM A BINARY CODE INCLUDING BINARY DIGIT MARKS FORMED IN TWO LEVELS, ONE OF SAID LEVELS BEING THE COMPLEMENT OF SAID OTHER LEVEL, AND A BINARY DIGIT CHARACTER MARK FORMED BEFORE AND AFTER SAID CODED-CHARACTER AND COMMON TO SAID BOTH LEVELS, SAID SYSTEM COMPRISING MANUAL MEANS FOR SCANNING SAID CODED-CHARACTERS FOR PRODUCING TWO GROUPS OF ELECTRICAL IMPULSE RESPECTIVELY CORRESPONDING TO THE BINARY DIGIT MARKS FORMED IN SAID TWO LEVELS, FIRST AND SECOND STORAGE CIRCUITS FOR RESPECTIVELY STORING THE TWO GROUPS OF ELECTRICAL IMPULSES THEREIN, CLOCK MEANS OPERABLE BY SAID ELECTRICAL IMPULSES FOR PRODUCING CLOCK PULSES TO ARRANGE SAID ELECTRICAL IMPULSES IN SAID STORAGE MEANS IN TIMESPACED ORDER, ERROR MEANS FOR DETECTING WHEN THE GROUP OF STORED ELECTRICAL IMPULSES OF ONE CIRCUIT IS THE COMPLEMENT OF THE GROUP OF STORED ELECTRICAL IMPULSES OF THE OTHER CIRCUIT, AND MEANS FOR TRANSFERRING THE IMPULSES REPRESENTING EACH CHARACTER, IN TURN, OUT OF SAID STORAGE MEANS IN RESPONSE TO WHEN SAID ERROR MEANS INDICATES THAT THE GROUP OF STORED ELECTRICAL IMPULSES OF ONE CIRCUIT IS THE COMPLEMENT OF THE GROUP OF THE STORED ELECTRICAL IMPULSES OF THE OTHER CIRCUIT.
Claim 2
Independent Claim
196 words
A SYSTEM FOR READING CODED-CHARACTERS ON A RECORD MEDIUM WHEREIN SAID CODED-CHARACTERS FORM A BINARY CODE INCLUDING BINARY DIGIT MARKS FORMED IN TWO LEVELS, ONE OF SAID LEVELS BEING THE COMPLEMENT OF SAID OTHER LEVEL, AND A BINARY DIGIT CHARACTER MARK FORMED BEFORE AND AFTER SAID CODED-CHARACTER AND COMMON TO SAID BOTH LEVELS, SAID SYSTEM COMPRISING MANUAL MEANS FOR SCANNING SAID CODED-CHARACTERS FOR PRODUCING TWO GROUPS OF ELECTRICAL IMPULSE RESPECTIVELY CORRESPONDING TO THE BINARY DIGIT MARKS FORMED IN SAID TWO LEVELS, FIRST AND SECOND STORAGE CIRCUITS FOR RESPECTIVELY STORING THE TWO GROUPS OF ELECTRICAL IMPULSES THEREIN, CLOCK MEANS OPERABLE BY SAID ELECTRICAL IMPULSES FOR PRODUCING CLOCK PULSES TO ARRANGE SAID ELECTRICAL IMPULSES IN SAID STORAGE MEANS IN TIMESPACED ORDER, ERROR MEANS FOR DETECTING WHEN THE GROUP OF STORED ELECTRICAL IMPULSES OF ONE CIRCUIT IS THE COMPLEMENT OF THE GROUP OF STORED ELECTRICAL IMPULSES OF THE OTHER CIRCUIT, AND MEANS FOR TRANSFERRING THE IMPULSES REPRESENTING EACH CHARACTER, IN TURN, OUT OF SAID STORAGE MEANS IN RESPONSE TO WHEN SAID ERROR MEANS INDICATES THAT THE GROUP OF STORED ELECTRICAL IMPULSES OF ONE CIRCUIT IS THE COMPLEMENT OF THE GROUP OF THE STORED ELECTRICAL IMPULSES OF THE OTHER CIRCUIT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |