US5768023A
Expired / Lapsed
US
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Optical apparatus
Assignee: Fujitsu Ltd
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Filing: 1996-08-09
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Granted: 1998-06-16
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Expires: 2016-08-09
Abstract
Abstract An optical apparatus having a first lens array consisted of a plurality of lens forming reduced image in reversed orientation, a second lens array consisted of a plurality of lens arranged at corresponding positions to the lens of the first lens array and forming erected equal magnification image from the reduced image by expanding the reduced image in the given magnification, and one or more light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array in opposition to respective lens for passing discharged light from respective lens of the first lens array.
Inventors
- 👤 Ippei Sawaki
- 👤 Michio Miura
- 👤 Yoshiro Ishikawa
- 👤 Fumitaka Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:38
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/48; H04N1/482; B; B41; B41J; B41J2/00; B41J2/435; B41J2/465; G; G02; G02B; G02B5/00; G02B5/20; G02B5/201; H04N1/00127; H04N1/024; H04N1/028; H04N1/03; H04N1/031; H04N1/0311; H04N1/0315; G02B3/00; G02B3/0006; H04N1/04; H04N1/10; H04N1/107; H04N2201/00; H04N2201/0008; H04N2201/0063
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
180 words
An optical apparatus comprising: a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; color filters for red, green and blue disposed in a path of the light from the first lens array to the second lens array, the first lens array and the second lens array are aggregate of the lens arrays for the red, green and blue, and the lens arrays of each color of the first and second lens arrays are located so as to correspond to the color filters of each color.
Claim 2
Dependent Claim
180 words
An optical apparatus comprising: a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; color filters for red, green and blue disposed in a path of the light from the first lens array to the second lens array, the first lens array and the second lens array are aggregate of the lens arrays for the red, green and blue, and the lens arrays of each color of the first and second lens arrays are located so as to correspond to the color filters of each color.
Claim 3
Dependent Claim
67 words
An optical apparatus as set forth in claim 1, wherein the first and second lens arrays are formed of three rows of color lens arrays contributing formation of image of lights of red, green and blue color, and the distances between respective color lens arrays in the first lens array and the distances between respective color lens arrays in the second lens arrays are substantially the same.
Claim 4
Dependent Claim
65 words
An optical apparatus as set fourth in claim 1, wherein the first and second lens arrays are formed of three rows of color lens arrays contributing formation of image of lights of red, green and blue color, and the distances between respective color lens arrays in the second lens array is greater than the distances between respective color lens arrays in the first lens array.
Claim 5
Dependent Claim
43 words
An optical apparatus as set forth in claim 2 or 3, wherein the color filters for red, green and blue colors are arranged on the surfaces of lens array for respective colors corresponding to the first lens array or the second lens array.
Claim 6
Dependent Claim
30 words
An optical apparatus as set forth in claim 2 or 3, said color filters for red, green and blue colors are arranged in the vicinity of the light shielding film.
Claim 7
Dependent Claim
29 words
An optical apparatus as set forth in any one of claims 1 to 3, wherein each lens forming the first and second lens arrays is a refraction-type micro-Fresnel lens.
Claim 8
Dependent Claim
42 words
A color image reading apparatus comprising: an optical apparatus as defined in any one of claims 1 to 3; a plurality of image sensors arranged at positions forming erect real image of respective color; and a light source for irradiating an origin.
Claim 9
Dependent Claim
20 words
A color image reading apparatus as set forth in claim 7, wherein said light source is a white light source.
Claim 10
Dependent Claim
44 words
A color image reading apparatus as set forth in claim 8, wherein the color filters each of which passes only light of the color same as the color of the erect real image, are deposited on the surface of a plurality of image sensors.
Claim 11
Dependent Claim
85 words
A color image reading apparatus comprising: an optical apparatus defined in claim 2; a plurality of image sensors arranged at positions for forming erect real image; light sources for irradiating lights of red, green and blue colors separately; a light source control unit for controlling the light source so as to alternately irradiate three lights in given order; and a reader apparatus for sequentially reading erected equal magnification image per each color formed on the image sensor, in synchronism with the light source control unit.
Claim 12
Dependent Claim
162 words
A handy image scanner comprising: a pen-type case having incorporated therein an image reading apparatus including a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a roller for manual scanning.
Claim 13
Dependent Claim
162 words
A handy image scanner comprising: a pen-type case having incorporated therein an image reading apparatus including a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a roller for manual scanning.
Claim 14
Dependent Claim
161 words
An image scanner adapted for mounting on a keyboard comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a mechanism for transmitting manuscripts.
Claim 15
Dependent Claim
161 words
An image scanner adapted for mounting on a keyboard comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a mechanism for transmitting manuscripts.
Claim 16
Dependent Claim
175 words
A personal digital assistant and an image reading apparatus comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a tube-like case integrally formed on one side of said personal digital assistant for receiving said image reading apparatus.
Claim 17
Dependent Claim
175 words
A personal digital assistant and an image reading apparatus comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and a tube-like case integrally formed on one side of said personal digital assistant for receiving said image reading apparatus.
Claim 18
Dependent Claim
176 words
A mouse and an image reading apparatus comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; a tube-like case integrally formed on said mouse for receiving said image reading apparatus; and a linear mobilization mechanism incorporated in said mouse.
Claim 19
Dependent Claim
176 words
A mouse and an image reading apparatus comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; a tube-like case integrally formed on said mouse for receiving said image reading apparatus; and a linear mobilization mechanism incorporated in said mouse.
Claim 20
Dependent Claim
168 words
A handy image scanner and a camera comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and said image reading apparatus and the camera mechanism are assembled in a common housing.
Claim 21
Dependent Claim
168 words
A handy image scanner and a camera comprising: an image reading apparatus having a first lens array consisting of a plurality of lens to form a reduced image in reversed orientation; a second lens array consisting of a plurality of lens, arranged at positions corresponding to respective lens in the first lens array, and forming an erected equal magnification image from the reduced image by expanding the reduced image in the given magnification; at least one light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array; a light irradiating device; and an image sensor for optoelectrically converting a real image formed by a light irradiated from the light irradiating device and passed through said first lens array and said second lens array; and said image reading apparatus and the camera mechanism are assembled in a common housing.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2001-06-15 | 2001-12-15 | 2002-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-15 | 2005-12-15 | 2006-06-16 | $3760.00 | Window Closed / Lapsed |
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