US3587430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiphotographic device
Assignee: Ricoh Co Ltd
•
Filing: 1968-09-19
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Granted: 1971-06-28
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Expires: 1988-09-19
Abstract
Abstract A MULTIPHOTOGRAPHIC DEVICE IS PROVIDED HAVING A FIRST LENS WITH AN ASSOCIATED MOVABLE APERTURE ADAPTED TO RECORD A PLURALITY OF IMAGES BY MEANS OF A MOVABLE APERTURE AND A PLURALITY OF MICROLENSES. THE MOVABLE APERTURE IS FORMED BY SUPERIMPOSING A SLOT IN A VERTICALLY MOVING BELT ON A SLOT IN A HORIZONTALLY MOVABLE PLATE. THE VERTICAL BELT IS MOVED IN INCREMENTS SLIGHTLY LARGER THAN THE SIZE OF THE APERTURE, AND THE HORIZONTAL PLATE IS MOVED IN INCREMENTS EQUAL TO 1/N WHERE N IS THE QUOTIENT OBTAINED BY DIVIDING THE LENGTH OF THE SLOT BY THE LENGTH OF ONE SIDE OF THE APERTURE.
Inventors
- 👤 Yoshio Fukushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:08
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/09; G02B27/0905; G03; G03B; G03B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |