US3703335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple exposure imaging apparatus
Assignee: Xerox Corp
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Filing: 1969-12-22
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Granted: 1972-11-21
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Expires: 1989-12-22
Abstract
Abstract A machine for automatically making a plurality of superposed exposures optical input from a moving object cylinder carrying a document to a synchronously moving transparent electro-conductive image cylinder for forming the images. Internal to both the cylinders is an optical system for projecting contiguous portions of the object onto a plurality of locations on the image cylinder each in superposed registration. The optical systems are aligned such that a presentation of a point from the object to the image cylinder at one portion of the surface is repeated at the same portion of the surface after the surface has moved from its original position. The optical systems each have a skewed lens and a plane and roof mirror for projecting transferable images without keystone distortion. An embodiment uses the optical reimaging system for forming photoelectrophoretic images.
Inventors
- 👤 Sanford G Hoffman
- 👤 Earl V Jackson
- 👤 Gary K Starkweather
- 👤 Edwin Zucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:31
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04; G03G15/00; G03G15/01; G03G15/0105; G03G15/011; G03G15/04; G03G15/043; G03G15/0435
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
34 words
single object data support means for supporting a document having sequential areas of which are to be sequentially scanned and having spaced areas, spaced in the scanning direction, which are to be scanned concurrently;
Claim 2
Dependent Claim
34 words
single object data support means for supporting a document having sequential areas of which are to be sequentially scanned and having spaced areas, spaced in the scanning direction, which are to be scanned concurrently;
Claim 3
Dependent Claim
102 words
Apparatus for imaging including a single object data support means; means to move the object data support means for supporting a document; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 4
Dependent Claim
102 words
Apparatus for imaging including a single object data support means; means to move the object data support means for supporting a document; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 5
Dependent Claim
102 words
Apparatus for imaging including a single object data support means; means to move the object data support means for supporting a document; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 6
Dependent Claim
102 words
Apparatus for imaging including a single object data support means; means to move the object data support means for supporting a document; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 7
Dependent Claim
34 words
single object data support means for supporting a document having sequential areas of which are to be sequentially scanned and having spaced areas, spaced in the scanning direction, which are to be scanned concurrently;
Claim 8
Dependent Claim
34 words
single object data support means for supporting a document having sequential areas of which are to be sequentially scanned and having spaced areas, spaced in the scanning direction, which are to be scanned concurrently;
Claim 9
Dependent Claim
4 words
image receiving cylinder means;
Claim 10
Dependent Claim
4 words
image receiving cylinder means;
Claim 11
Dependent Claim
16 words
The apparatus of claim 1 wherein the multiple optical means are internal to the cylinder means.
Claim 12
Dependent Claim
4 words
image receiving cylinder means;
Claim 13
Dependent Claim
4 words
image receiving cylinder means;
Claim 14
Dependent Claim
22 words
a first lens means located along a first optical path which extends between said object data support means and said cylinder means;
Claim 15
Dependent Claim
22 words
a first lens means located along a first optical path which extends between said object data support means and said cylinder means;
Claim 16
Dependent Claim
11 words
The apparatus of claim 2 wherein said cylinder means is transparent.
Claim 17
Dependent Claim
22 words
a first lens means located along a first optical path Which extends between said object data support means and said cylinder means;
Claim 18
Dependent Claim
22 words
a first lens means located along a first optical path Which extends between said object data support means and said cylinder means;
Claim 19
Dependent Claim
44 words
a second lens means located along a second optical path which extends between said object data support means and said cylinder means, said first optical path and said second optical path being spaced from each other in the scanning direction along their entire lengths;
Claim 20
Dependent Claim
44 words
a second lens means located along a second optical path which extends between said object data support means and said cylinder means, said first optical path and said second optical path being spaced from each other in the scanning direction along their entire lengths;
Claim 21
Dependent Claim
21 words
The apparatus of claim 1 including means to illuminate the optical object data support means at each of the object positions.
Claim 22
Dependent Claim
59 words
a second lens means located along a second optical path which extends between said object data support means and said cylinder means, said first optical path and said second optical path being spaced from each other in the scanning direction at said object data support means, at said cylinder means and at said first and second lens means and
Claim 23
Dependent Claim
59 words
a second lens means located along a second optical path which extends between said object data support means and said cylinder means, said first optical path and said second optical path being spaced from each other in the scanning direction at said object data support means, at said cylinder means and at said first and second lens means and
Claim 24
Dependent Claim
24 words
The apparatus of claim 1 wherein the roof reflecting member and the plane reflecting member are located on opposite sides of the lens means.
Claim 25
Dependent Claim
125 words
means to cause relative movement in the scanning direction a. between a document at said object data support means and the ends of the optical paths thereadjacent whereby sequential areas of the document are scanned by one of said lens means and thereafter the same sequential areas of the document are scanned by the other of said lens means and b. between said cylinder means and the ends of the optical paths thereadjacent whereby images may be projected from said object data support means to said cylinder means along the optical paths in superposed relationship and c. reflecting means along each optical path including a roof mirror on one side of the lens means and a mirror on the other side of the lens means.
Claim 26
Dependent Claim
125 words
means to cause relative movement in the scanning direction a. between a document at said object data support means and the ends of the optical paths thereadjacent whereby sequential areas of the document are scanned by one of said lens means and thereafter the same sequential areas of the document are scanned by the other of said lens means and b. between said cylinder means and the ends of the optical paths thereadjacent whereby images may be projected from said object data support means to said cylinder means along the optical paths in superposed relationship and c. reflecting means along each optical path including a roof mirror on one side of the lens means and a mirror on the other side of the lens means.
Claim 27
Dependent Claim
95 words
means to cause relative movement in the scanning direction a. between a document at said object data support means and the ends of the optical paths thereadjacent whereby sequential areas of the document are scanned by one of said lens means and thereafter the same sequential areas of the document are scanned by the other of said lens means and b. between said cylinder means and the ends of the optical paths thereadjacent whereby images may be projected from said object data support means to said cylinder means along the optical paths in superposed relationship.
Claim 28
Dependent Claim
95 words
means to cause relative movement in the scanning direction a. between a document at said object data support means and the ends of the optical paths thereadjacent whereby sequential areas of the document are scanned by one of said lens means and thereafter the same sequential areas of the document are scanned by the other of said lens means and b. between said cylinder means and the ends of the optical paths thereadjacent whereby images may be projected from said object data support means to said cylinder means along the optical paths in superposed relationship.
Claim 29
Dependent Claim
38 words
The apparatus of claim 5 wherein the roof reflecting member in one of the multiple optical means is on the same side of the lens means as is the plane reflecting member of the optical means adjacent thereto.
Claim 30
Dependent Claim
19 words
The apparatus of claim 6 wherein the lens means of the multiple optical means are parallel with each other.
Claim 31
Dependent Claim
20 words
The apparatus of claim 1 wherein the lens means are skewed relative to the principal ray of the optical means.
Claim 32
Dependent Claim
16 words
The apparatus of claim 1 including means to move the lens means along the optical path.
Claim 33
Dependent Claim
20 words
The apparatus of claim 1 including means to move the lens means and reflecting means relative to the object position.
Claim 34
Dependent Claim
19 words
The apparatus of claim 1 wherein said reflecting means includes a plane reflecting member and a roof reflecting member.
Claim 35
Dependent Claim
97 words
Apparatus for imaging including cylindrical object data support means; means to move the object data support means; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; means to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 36
Dependent Claim
97 words
Apparatus for imaging including cylindrical object data support means; means to move the object data support means; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; means to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions.
Claim 37
Dependent Claim
41 words
The apparatus of claim 12 wherein the cylindrical object data support means for maintaining multiple object positions and the cylinder means for maintaining multiple image positions are cylinders being of approximately equal diameter and rotatable at approximately the same surface velocity.
Claim 38
Dependent Claim
60 words
The apparatus of claim 13 wherein said cylindrical object data support means and the cylinder means for maintaining multiple image positions are related in size such that the radius of the cylinder means approximately equals the product of the object data support cylinder and the optical magnification of the optical means, both cylinders being rotatable at the same angular velocity.
Claim 39
Dependent Claim
29 words
The apparatus of claim 14 wherein the angular separation between object positions on the object data support cylinder are equal to the angular separation of the corresponding imaging positions.
Claim 40
Dependent Claim
138 words
Apparatus for imaging including object data support means; means to move the object data support means; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; means to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions; multiple imaging electrodes interfacing with the cylinder means at the multiple image positions; means to couple the electrodes and the cylinder means to electrical source means; and, means to supply photoelectrophoretic particles between a first imaging electrode and the cylinder means.
Claim 41
Dependent Claim
138 words
Apparatus for imaging including object data support means; means to move the object data support means; multiple optical means each having an object position on the object data support means; image receiving cylinder means; an image position corresponding to each of the object positions on the cylinder means; means to rotate the cylinder means; lens means determining an optical path between an object position and corresponding image position; reflecting means along the optical path; means to align the multiple optical means for sequentially projecting portions from the object positions in superposed relationship to the corresponding imaging positions; multiple imaging electrodes interfacing with the cylinder means at the multiple image positions; means to couple the electrodes and the cylinder means to electrical source means; and, means to supply photoelectrophoretic particles between a first imaging electrode and the cylinder means.
Claim 42
Dependent Claim
33 words
The apparatus of claim 16 including means to transfer particles from the cylinder means; means to couple said means to transfer to electrical source means of a polarity different from the imaging electrodes.
Claim 43
Dependent Claim
4 words
Apparatus for imaging including
Claim 44
Dependent Claim
4 words
Apparatus for imaging including
Claim 45
Dependent Claim
18 words
The apparatus as set forth in claim 18 and further including image reflecting means along both optical paths.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |