US3275741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockout mask detector in scanner apparatus
Assignee: TI Gotham Inc
•
Filing: 1963-05-15
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Granted: 1966-09-27
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Roy H Hughes
- 👤 Ronald F Channing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/387; H04N1/3872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN IMAGE REPRODUCING APPARATUS INCLUDING SCANNING MEANS FOR SCANNING AN ORIGINAL BRIGNTNESS IMAGE POINT BY POINT TO PRODUCE A BEAM OF LIGHT CONTAINING IMAGE BRIGHTNESS INFORMATION AND REPRODUCING MEANS RESPECTIVE TO THE BEAM OF LIGHT TO PRODUCE SIGNALS REPRESENTING A CORRESPONDING BRIGNTNESS IMAGE POINT BY POINT AND INCLUDING PRINTER MEANS RESPONSIVE TO THE SIGNALS TO GENERATE CORRESPONDING BRIGHTNESS IMAGE POINT BY POINT AND INCLUDING MEANS FOR DETECTING AN EXTREME BRIGHTNESS CONDITION IN THE BEAM OF LIGHT, AND CONTROL MEANS RESPONSIVE TO THE DETECTING MEANS FOR CAUSING THE PRINTER MEANS TO PRODUCE AN EXTREME BRIGHTNESS CONDITION IN THE CORRESPONDING AREA OF THE REPRODUCED IMAGE, SAID CONTROL MEANS INCLUDING SIGNAL SUPPRESSION MEANS RESPONSIVE TO DETECTION MEANS TO AN EXTREME BRIGHTNESS CONDITION BY THE DETECTOR MEANS TO SUPPRESS SIGNALS REPRESENTING BRIGHTNESS VARIATIONS AND THEREBY PREVENT THE PRINTER MEANS FROM REPRODUCING VARIATIONS IN BRIGHTNESS.
Claim 2
Dependent Claim
140 words
IN IMAGE REPRODUCING APPARATUS INCLUDING SCANNING MEANS FOR SCANNING AN ORIGINAL BRIGNTNESS IMAGE POINT BY POINT TO PRODUCE A BEAM OF LIGHT CONTAINING IMAGE BRIGHTNESS INFORMATION AND REPRODUCING MEANS RESPECTIVE TO THE BEAM OF LIGHT TO PRODUCE SIGNALS REPRESENTING A CORRESPONDING BRIGNTNESS IMAGE POINT BY POINT AND INCLUDING PRINTER MEANS RESPONSIVE TO THE SIGNALS TO GENERATE CORRESPONDING BRIGHTNESS IMAGE POINT BY POINT AND INCLUDING MEANS FOR DETECTING AN EXTREME BRIGHTNESS CONDITION IN THE BEAM OF LIGHT, AND CONTROL MEANS RESPONSIVE TO THE DETECTING MEANS FOR CAUSING THE PRINTER MEANS TO PRODUCE AN EXTREME BRIGHTNESS CONDITION IN THE CORRESPONDING AREA OF THE REPRODUCED IMAGE, SAID CONTROL MEANS INCLUDING SIGNAL SUPPRESSION MEANS RESPONSIVE TO DETECTION MEANS TO AN EXTREME BRIGHTNESS CONDITION BY THE DETECTOR MEANS TO SUPPRESS SIGNALS REPRESENTING BRIGHTNESS VARIATIONS AND THEREBY PREVENT THE PRINTER MEANS FROM REPRODUCING VARIATIONS IN BRIGHTNESS.
References Cited (Backward Citations)
US3194883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |