US3227059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic reproduction method and apparatus
Assignee: Logetronics Inc
•
Filing: 1962-08-08
•
Granted: 1966-01-04
•
Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Dwin R Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:02
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/30; H04N3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
PHOTOGRAPHIC REPRODUCTION APPARATUS COMPRISING SUPPORTING MEANS FOR A SUBJECT AND A PHOTOSENSITIVE SURFACE, CONTROLLABLE LIGHT SOURCE FOR PRODUCING A BEAM TO SCAN A SUBJECT ON SAID SUPPORT WITH A LIGHT SPOT SLIGHTLY LARGER THAN THE SMALLEST ELEMENTAL AREA OF SAID SUBJECT TO BE REPRODUCED AND TO EXPOSE SAID SURFACE, A LIGHT INTENSITY TRANSDUCER MEANS DISPOSED IN THE PATH OF LIGHT INTENSITY BY SAID SUBJECT FROM SAID SOURCE TO SAID SURFACE, AND INVERSE FEEDBACK MEANS IN CIRCUIT WITH SAID TRANSDUCER MEANS AND SOURCE INSENSITIVE TO ABSOLUTE VALUES OF LIGHT DETECTED BY SAID TRANSDUCER MEANS AND RESPONSIVE ONLY TO FLUCTUATIONS IN THE INTENSITY OF SAID BEAM CORRESPONDING TO VARIATIONS IN LIGHT TRANSMITTING CHARACTERISTICS OF SAID SUBJECT FOR CONTROLLING SAID BEAM AND EXPOSURE THEREBY OF EACH ELEMENTAL AREA OF SAID SUBJECT AS AN INVERSE FUNCTION OF INTENSITY FLUCTUATIONS DESIRED BY AID TRANSDUCER MEANS.
Claim 2
Dependent Claim
140 words
PHOTOGRAPHIC REPRODUCTION APPARATUS COMPRISING SUPPORTING MEANS FOR A SUBJECT AND A PHOTOSENSITIVE SURFACE, CONTROLLABLE LIGHT SOURCE FOR PRODUCING A BEAM TO SCAN A SUBJECT ON SAID SUPPORT WITH A LIGHT SPOT SLIGHTLY LARGER THAN THE SMALLEST ELEMENTAL AREA OF SAID SUBJECT TO BE REPRODUCED AND TO EXPOSE SAID SURFACE, A LIGHT INTENSITY TRANSDUCER MEANS DISPOSED IN THE PATH OF LIGHT INTENSITY BY SAID SUBJECT FROM SAID SOURCE TO SAID SURFACE, AND INVERSE FEEDBACK MEANS IN CIRCUIT WITH SAID TRANSDUCER MEANS AND SOURCE INSENSITIVE TO ABSOLUTE VALUES OF LIGHT DETECTED BY SAID TRANSDUCER MEANS AND RESPONSIVE ONLY TO FLUCTUATIONS IN THE INTENSITY OF SAID BEAM CORRESPONDING TO VARIATIONS IN LIGHT TRANSMITTING CHARACTERISTICS OF SAID SUBJECT FOR CONTROLLING SAID BEAM AND EXPOSURE THEREBY OF EACH ELEMENTAL AREA OF SAID SUBJECT AS AN INVERSE FUNCTION OF INTENSITY FLUCTUATIONS DESIRED BY AID TRANSDUCER MEANS.
References Cited (Backward Citations)
US2444675A
Cited
US2480425A
Cited
US2789491A
Cited
US3035913A
Cited
US2960019A
Cited
US3035012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |