US3916423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information bearing attachment for replaceable film cartridge
Assignee: Minolta Co Ltd
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Filing: 1974-06-06
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Granted: 1975-10-28
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Expires: 1994-06-06
Abstract
Abstract A camera is provided with a replaceable film cartridge having a frame delineated window exposed to light, traversing the camera objective and housing photosensitive units which are successively advanced toward registry with the window and the objective focal plane. An information carrying transparent panel is attached to the cartridge to superimpose data or modify the image focussed on the exposed photosensitive unit, the information being in the form of data characters, an image distorting non-planar panel face, a graph grid or other information. The panel may be provided with index elements to depress the face of the exposed unit to compensate for the light refraction of the panel by reason of its refractive index. As applied to the cartridge of a self processing camera, the frame is defined by resilient distortable upstanding ribs, whose inside faces are engaged by elements projecting from the edges of the panel, which registers with the frame.
Inventors
- 👤 Hiroshi Ueda
- 👤 Sanjiro Murakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:07
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B17/245; G03B2217/00; G03B2217/24; G03B2217/241; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
81 words
An attachment for use with a replaceable film cartridge having an exposure window comprising a transparent plate carrying information on a face thereof and substantially corresponding in size and shape to said window, and projections extending outwardly from opposite side edges of said plate and being flush with a surface of said transparent plate, the thickness of said projections being substantially equal to (n-1).t/n wherein t is the thickness of said transparent plate and n is the index of refraction thereof.
Claim 2
Dependent Claim
81 words
An attachment for use with a replaceable film cartridge having an exposure window comprising a transparent plate carrying information on a face thereof and substantially corresponding in size and shape to said window, and projections extending outwardly from opposite side edges of said plate and being flush with a surface of said transparent plate, the thickness of said projections being substantially equal to (n-1).t/n wherein t is the thickness of said transparent plate and n is the index of refraction thereof.
Claim 3
Dependent Claim
23 words
The attachment of claim 1 wherein one of said projections is substantially coextensive in length with a corresponding edge of said transparent plate.
Claim 4
Dependent Claim
32 words
The attachment of claim 1 wherein said information comprises material extending in two dimensions on a face of said transparent plate and having a light transmissity differing from that of said plate.
Claim 5
Dependent Claim
28 words
The attachment of claim 1 wherein said information is defined by irregularities in the information bearing face of said transparent plate whereby to diffuse light traversing said plate.
Claim 6
Dependent Claim
106 words
In a camera including a casing and an objective lens, a replaceable film cartridge disposed in said casing and having a window exposed to light traversing said objective lens and containing a plurality of film units successively advanceable into registry with said window proximate the normal focal plane of said objective lens and an information bearing transparent plate carried by said cartridge in registry with said window and carrying means moving said film unit in registry with said window a distance from said focal plane substantially equal to (n-1).t/n wherein t is the thickness of said transparent plate and n is the index of refraction thereof.
Claim 7
Dependent Claim
106 words
In a camera including a casing and an objective lens, a replaceable film cartridge disposed in said casing and having a window exposed to light traversing said objective lens and containing a plurality of film units successively advanceable into registry with said window proximate the normal focal plane of said objective lens and an information bearing transparent plate carried by said cartridge in registry with said window and carrying means moving said film unit in registry with said window a distance from said focal plane substantially equal to (n-1).t/n wherein t is the thickness of said transparent plate and n is the index of refraction thereof.
Claim 8
Dependent Claim
28 words
The camera of claim 5 wherein said transparent plate is in the form of an attachment which is selectively coupled to said cartridge in registry with said window.
Claim 9
Dependent Claim
136 words
In combination with a replaceable film cartridge having an exposure window and a flexibly deformable frame surrounding said exposure window and means for biasing film units contained in said cartridge towards said exposure window, an attachment comprising: a transparent plate carrying information on a surface thereof and substantially corresponding in size and shape to said exposure window; and projection means provided at opposite side edges of said transparent plate, said projection means being urged into engagement with the inside surface of said frame under the influence of said biasing means and positioning said plate in the direction perpendicular to said exposure window to move said film units from their biased position into said cartridge by an amount smaller than the thickness of said plate when said plate is inserted into said cartridge through said exposure window.
Claim 10
Dependent Claim
136 words
In combination with a replaceable film cartridge having an exposure window and a flexibly deformable frame surrounding said exposure window and means for biasing film units contained in said cartridge towards said exposure window, an attachment comprising: a transparent plate carrying information on a surface thereof and substantially corresponding in size and shape to said exposure window; and projection means provided at opposite side edges of said transparent plate, said projection means being urged into engagement with the inside surface of said frame under the influence of said biasing means and positioning said plate in the direction perpendicular to said exposure window to move said film units from their biased position into said cartridge by an amount smaller than the thickness of said plate when said plate is inserted into said cartridge through said exposure window.
Claim 11
Dependent Claim
55 words
The attachment of claim 7 wherein said projection means includes projections formed at opposite side edges of said plate and having a thickness smaller than that of said plate, a surface of said respective projections being engaged with said inside surface of said frame when said plate is inserted into said cartridge through said window.
Claim 12
Dependent Claim
40 words
The attachment of claim 8 wherein a surface of said respective projection opposite to said surface thereof engageable with said inside surface of said frame is flush with a surface of said plate opposite to said surface carrying information thereon.
Claim 13
Dependent Claim
31 words
The attachment of claim 9 wherein the thickness of said projections is substantially equal to (n-1).t/n wheret is the thickness of said plate, and n is the index of refraction thereof.
Claim 14
Dependent Claim
22 words
The attachment of claim 9 wherein one of said projections is substantially co-extensive in length with a corresponding edge of said plate.
Claim 15
Dependent Claim
30 words
The attachment of claim 8 wherein said information comprises material extending in two dimensions on a face of said plate and having a transmissity differing from that of said plate.
Claim 16
Dependent Claim
27 words
The attachment of claim 8 wherein said information is defined by irregularities in the information bearing face of said plate whereby to diffuse light traversing said plate.
Claim 17
Dependent Claim
66 words
The attachment of claim 8, wherein said transparent plate has a cut-away portion at a corner thereof, whereby, when said cartridge is loaded within a camera said cut-away portion permits the passage of an extract member on said camera to engage with said film unit so that said extract member can extract film unit toward the outside of said camera after exposure of said film unit.
Claim 18
Dependent Claim
137 words
In combination with a replaceable film cartridge having an exposure window and a flexibly deformable frame surrounding said exposure window and means for biasing film units contained in said cartridge towards said exposure window, an attachment comprising a transparent plate markable with information on a surface thereof and substantially corresponding in size and shape to said exposure window; and projection means provided at opposite side edges of said transparent plate, said projection means being urged into engagement with the inside surface of said frame under the influence of said biasing means and positioning said plate in the direction perpendicular to said exposure window to move said film units from their biased position into said cartridge by an amount smaller than the thickness of said plate when said plate is inserted into said cartridge through said exposure window.
Claim 19
Dependent Claim
137 words
In combination with a replaceable film cartridge having an exposure window and a flexibly deformable frame surrounding said exposure window and means for biasing film units contained in said cartridge towards said exposure window, an attachment comprising a transparent plate markable with information on a surface thereof and substantially corresponding in size and shape to said exposure window; and projection means provided at opposite side edges of said transparent plate, said projection means being urged into engagement with the inside surface of said frame under the influence of said biasing means and positioning said plate in the direction perpendicular to said exposure window to move said film units from their biased position into said cartridge by an amount smaller than the thickness of said plate when said plate is inserted into said cartridge through said exposure window.
Claim 20
Dependent Claim
56 words
The attachment of claim 15 wherein said projection means includes a projections formed at opposite side edges of said plate and having a thickness smaller than that of said plate, a surface of said respective projections being engaged with said inside surface of said frame when said plate is inserted into said cartrIdge through said window.
Claim 21
Dependent Claim
40 words
The attachment of claim 16 wherein a surface of said respective projections opposite to said surface thereof engaging said inside surface of said frame is flush with a surface of said plate opposite to said surface markable with information thereon.
Claim 22
Dependent Claim
32 words
The attachment of claim 17 wherein the thickness of said projections is substantially equal to (n-1).t/n where t is the thickness of said plate, and n is the index of refraction thereof.
Claim 23
Dependent Claim
22 words
The attachment of claim 17 wherein one of said projections is substantially co-extensive in length with a corresponding edge of said plate.
Claim 24
Dependent Claim
66 words
The attachment of claim 19, wherein said transparent plate has a cut-away portion at a corner thereof, whereby, when said cartridge is loaded within a camera said cut-away portion permits the passage of an extract member on said camera to engage with said film unit so that said extract member can extract film unit toward the outside of said camera after exposure of said film unit.
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) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |