US3853395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro optic storage and retrieval system
Assignee: Personal Communications Inc
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Filing: 1973-03-09
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Granted: 1974-12-10
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Expires: 1993-03-09
Abstract
Abstract A microfiche having one surface embossed or molded to define a multiplicity of closely spaced lensettes. The micro-image of a letter (of the alphabet) is located directly below each lensette, thereby assuring optical distance registry between each letter micro-image and a lens for its projection. The micro-image on the microfiche functions as an object, this object providing an image serving in turn as an object for a projection lens array.
Inventors
- 👤 G Yevick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:49
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G06; G06K; G06K17/00; G06K17/0016
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
191 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over the multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises: a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. a plurality of vertical, opaque septa extending from adjacent said surface to adjacent said apertured mask, said septa dividing the space between said surface and said apertured mask into a plurality of cells, there being one such cell for each of said apertures in the mask.
Claim 2
Dependent Claim
191 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over the multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises: a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. a plurality of vertical, opaque septa extending from adjacent said surface to adjacent said apertured mask, said septa dividing the space between said surface and said apertured mask into a plurality of cells, there being one such cell for each of said apertures in the mask.
Claim 3
Dependent Claim
25 words
The microfiche and reader of claim 2 wherein each said intermediate lens is carried by a sheet, said sheet positioned parallel to said viewing surface.
Claim 4
Dependent Claim
16 words
The microfiche and reader of claim 2 wherein said sheet and said intermediate lens are integral.
Claim 5
Dependent Claim
19 words
The microfiche and reader of claim 3 wherein all of said intermediate lenses are integral with a single sheet.
Claim 6
Dependent Claim
202 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over a multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises; a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. a pair of transparent plates interposed between said apertured mask and said viewing surface, mating surfaces of said plates having cavIties therein which define lens cavities optically aligned with a corresponding one of the apertures in said mask, said lens cavities defining said intermediate projection lenses, the upper surfaces of the uppermost plate defining said viewing surface.
Claim 7
Dependent Claim
202 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over a multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises; a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. a pair of transparent plates interposed between said apertured mask and said viewing surface, mating surfaces of said plates having cavIties therein which define lens cavities optically aligned with a corresponding one of the apertures in said mask, said lens cavities defining said intermediate projection lenses, the upper surfaces of the uppermost plate defining said viewing surface.
Claim 8
Dependent Claim
163 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over a multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises: a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. the interlensette area on the microfiche being opaque on the same surface of the microfiche as the lensettes.
Claim 9
Dependent Claim
163 words
A microfiche and reader for projecting and viewing micro optic information carried by a microfiche having a plurality of lensettes, the reader including a viewing surface against which information is adapted to be projected, the microfiche carrying a plurality of images each defined by a set of sub-images spaced over the microfiche, the sub-images being each adapted to be projected over a multiplicity of parallel, spaced optical axes to the viewing surface, and an apertured mask positioned between the microfiche and the viewing surface, the improvement which comprises: a. an intermediate projection lens positioned between each mask aperture and said viewing surface and having its optic axis coincident with the normal axis of each said mask aperture, b. each mask aperture being aligned with one of said lensettes, the number of lensettes being greater than both the number of projection lenses and mask apertures, c. the interlensette area on the microfiche being opaque on the same surface of the microfiche as the lensettes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |