US3196393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Input device for data processing system
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1961-02-09
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Granted: 1965-07-20
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Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Siegemund Ralf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06K; G06K7/00; G06K7/10; G06K7/12; G01J3/50; G01J3/51; G01J3/513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
INPUT DEVICE FOR DIGITAL COMPUTERS COMPRISING: CARRIER FOR ENCODED INFORAMTION HAVING AT LEAST ONE TRACK OF EQUALLY SPACED COLOURED CHARACTER AREAS SELECTED FROM A GROUP OF TEN COLORS, EACH COLOR REPRESENTING A DECIMAL DIGIT; THREE PHOTOELECTRIC DETECTORS INDIVIDUALLY RESPONSIVE TO THREE PRIMARY COLORS OF SAID AREAS ON SAID CARRIER; CIRCUIT MEANS FOR DERIVING TWO SIGNALS FROM RESPECTIVE TWO OF SAID DETECTORS; AND CIRCUIT MEANS FOR DERIVING A THIRD AND A FOURTH SIGNAL AT RESPECTIVELY DIFFERENT OUTPUT LEVELS FROM THE THIRD DETECTOR.
Claim 2
Dependent Claim
81 words
INPUT DEVICE FOR DIGITAL COMPUTERS COMPRISING: CARRIER FOR ENCODED INFORAMTION HAVING AT LEAST ONE TRACK OF EQUALLY SPACED COLOURED CHARACTER AREAS SELECTED FROM A GROUP OF TEN COLORS, EACH COLOR REPRESENTING A DECIMAL DIGIT; THREE PHOTOELECTRIC DETECTORS INDIVIDUALLY RESPONSIVE TO THREE PRIMARY COLORS OF SAID AREAS ON SAID CARRIER; CIRCUIT MEANS FOR DERIVING TWO SIGNALS FROM RESPECTIVE TWO OF SAID DETECTORS; AND CIRCUIT MEANS FOR DERIVING A THIRD AND A FOURTH SIGNAL AT RESPECTIVELY DIFFERENT OUTPUT LEVELS FROM THE THIRD DETECTOR.
References Cited (Backward Citations)
US1782046A
Cited
US2185233A
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US2268498A
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US2675422A
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US2760404A
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US2834005A
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US3144510A
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |