US3871766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image exposure device
Assignee: Canon Inc
•
Filing: 1973-05-03
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Granted: 1975-03-18
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Expires: 1993-05-03
Abstract
Abstract In an image exposure device for applying the information of a stationary original to a moving photosensitive medium by a movable scanning mirror through a slit, there is provided a plurality of movable mirrors disposed on an endless track to scan the image light from the original only when they are moving in one direction. A projection lens is provided to project therethrough the image light upon the photosensitive medium.
Inventors
- 👤 Shozo Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:51
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/522; G03B27/525; G03B27/526
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
117 words
An image exposure device for applying the information of a stationary original to a moving photosensitive medium by a movable scanning mirror through a slit, comprising: means for holding the original at a fixed position; means for illuminating the original; a plurality of movable mirrors disposed on an endless track to scan the image light from the original only when they are moving in one direction; endless guides for guiding said plurality of movable mirrors; power transmission members for moving said plurality of movable mirrors along said endless guides; mirror support members for engageably supporting said mirrors for movement along said endless guides; and connecting members for connecting said mirror support members to said power transmission members.
Claim 2
Dependent Claim
117 words
An image exposure device for applying the information of a stationary original to a moving photosensitive medium by a movable scanning mirror through a slit, comprising: means for holding the original at a fixed position; means for illuminating the original; a plurality of movable mirrors disposed on an endless track to scan the image light from the original only when they are moving in one direction; endless guides for guiding said plurality of movable mirrors; power transmission members for moving said plurality of movable mirrors along said endless guides; mirror support members for engageably supporting said mirrors for movement along said endless guides; and connecting members for connecting said mirror support members to said power transmission members.
Claim 3
Dependent Claim
22 words
An image exposure device according to claim 1, wherein said power transmission members are endless ones moving round along said endless guides.
Claim 4
Dependent Claim
20 words
An image exposure device according to claim 1, wherein said mirror support members include rollers engaged with said endless guides.
Claim 5
Dependent Claim
21 words
An image exposure device according to claim 1, wherein said endless guides includes two guides with said movable mirrors interposed therebetween.
Claim 6
Dependent Claim
147 words
An image exposure device for applying the information of a stationary original to a moving photosensitive medium by a movable scanning mirror through a slit, comprising: means for holding the original at a fixed position; means for illuminating the original; a plurality of movable mirrors disposed on an endless track to scan the image light from the original only when they are moving in one direction; endless guides for guiding said plurality of movable mirrors; a straight rail extending along the major axis of each endless guide; a slide member engaged with said straight rail; a mirror support arm rotatably held by said slide member; power transmission members for moving said plurality of movable mirrors along said endless guides; mirror support members for engageably supporting said mirrors for movement along said endless guides; and connecting members for connecting said mirror support members to said power transmission members.
Claim 7
Dependent Claim
147 words
An image exposure device for applying the information of a stationary original to a moving photosensitive medium by a movable scanning mirror through a slit, comprising: means for holding the original at a fixed position; means for illuminating the original; a plurality of movable mirrors disposed on an endless track to scan the image light from the original only when they are moving in one direction; endless guides for guiding said plurality of movable mirrors; a straight rail extending along the major axis of each endless guide; a slide member engaged with said straight rail; a mirror support arm rotatably held by said slide member; power transmission members for moving said plurality of movable mirrors along said endless guides; mirror support members for engageably supporting said mirrors for movement along said endless guides; and connecting members for connecting said mirror support members to said power transmission members.
Claim 8
Dependent Claim
22 words
An image exposure device according to claim 5, wherein said power transmission members are endless ones moving round along said endless guides.
Claim 9
Dependent Claim
20 words
An image exposure device according to claim 5, wherein said mirror support members include rollers engaged with said endless guides.
Claim 10
Dependent Claim
21 words
An image exposure device according to claim 5, wherein said endless guides includes two guides with said movable mirrors interposed therebetween.
References Cited (Backward Citations)
US3419327A
Cited
US3512886A
Cited
US3528738A
Cited
US3689145A
Cited
US3614222A
Cited
US3724944A
Cited
US3759149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |