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Class Information
Number: 355/37
Name: Photocopying > Projection printing and copying cameras > Multicolor picture > Regulating light intensity or exposure time > Plural lamps
Description: Subject matter wherein the apparatus includes a plurality of light sources for simultaneous or separate use.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6809795 |
Exposure device for exposing a transparent photographic original |
Oct. 26, 2004 |
| 6774979 |
Light mixing member and image exposing apparatus |
Aug. 10, 2004 |
| 6580490 |
Method and apparatus for printing images in multiple formats using a spatial light modulator |
Jun. 17, 2003 |
| 6549265 |
Image formation apparatus and method of stabilizing the emission level of semiconductor laser source used therein |
Apr. 15, 2003 |
| 6535271 |
Exposure apparatus |
Mar. 18, 2003 |
| 6480259 |
Method and apparatus for printing monochromatic images using a spatial light modulator having a selectable light source |
Nov. 12, 2002 |
| 6355393 |
Image-forming method and organic light-emitting element for a light source for exposure used therein |
Mar. 12, 2002 |
| 5995195 |
Method and apparatus for exposing photosensitive materials |
Nov. 30, 1999 |
| 5949528 |
Image forming apparatus |
Sep. 7, 1999 |
| 5877846 |
Exposure control method and photographic printer |
Mar. 2, 1999 |
| 5796508 |
Micromirror type image forming apparatus and administration method for the same |
Aug. 18, 1998 |
| 5748283 |
Light-source device for exposure and light-source device for image reading |
May. 5, 1998 |
| 5721609 |
Exposure apparatus with a PLZT shutter which received light from a projecting means capable of sequentially generating red, blue and green light |
Feb. 24, 1998 |
| 5663782 |
Photographic printer and film scanner having an LED light source |
Sep. 2, 1997 |
| 5649269 |
Image recording apparatus having a mask member moving together with an exposure unit |
Jul. 15, 1997 |
| 5515136 |
Image recording apparatus |
May. 7, 1996 |
| 5455655 |
Lamphouse for use with photographic printer |
Oct. 3, 1995 |
| 5296890 |
Light source for photographic color printers |
Mar. 22, 1994 |
| 5245418 |
Method for recording a color image on a medium and reading an image recorded on a medium |
Sep. 14, 1993 |
| 5132722 |
Imaging recording apparatus capable of forming a frame-like marginal portion in outer periphery of an image portion |
Jul. 21, 1992 |
| 5122831 |
Photographic printer |
Jun. 16, 1992 |
| 5070411 |
Color image recording apparatus using masks for forming latent images on photosensitive recording medium with detection and control of color-separated light components |
Dec. 3, 1991 |
| 5028963 |
Image forming apparatus |
Jul. 2, 1991 |
| 4942460 |
Method of and apparatus for recording a halftone dot color image on a color photosensitive material |
Jul. 17, 1990 |
| 4939546 |
Illuminating device for copier |
Jul. 3, 1990 |
| 4937616 |
Light source device for use in a copying machine |
Jun. 26, 1990 |
| 4897686 |
Photographic printing apparatus |
Jan. 30, 1990 |
| 4896183 |
Image formation apparatus with supplemental light source |
Jan. 23, 1990 |
| 4887123 |
Boxlight for projection photoreproduction |
Dec. 12, 1989 |
| 4860061 |
Multiface image composer |
Aug. 22, 1989 |
| 4814828 |
Light source for photographic color printing |
Mar. 21, 1989 |
| 4814827 |
Photographic color proofing apparatus |
Mar. 21, 1989 |
| 4812900 |
Original reading apparatus with light source switching without a switching circuit |
Mar. 14, 1989 |
| 4760609 |
Reading apparatus |
Jul. 26, 1988 |
| 4728993 |
Illumination system in a projection copier |
Mar. 1, 1988 |
| 4681427 |
Electronic printing method |
Jul. 21, 1987 |
| 4670779 |
Color-picture analyzing apparatus with red-purpose and green-purpose filters |
Jun. 2, 1987 |
| 4661890 |
Lamp unit |
Apr. 28, 1987 |
| 4640609 |
Light source for a color enlargement |
Feb. 3, 1987 |
| 4610536 |
Laser scanning and printing apparatus |
Sep. 9, 1986 |
| 4565441 |
Light source for photographic color printers |
Jan. 21, 1986 |
| 4551011 |
Light source for exposure |
Nov. 5, 1985 |
| 4519703 |
Document reproduction device utilizing a selective color illuminator |
May. 28, 1985 |
| 4429353 |
Scanning illuminating device |
Jan. 31, 1984 |
| 4406538 |
Method and arrangement for automatic exposure control in color copiers |
Sep. 27, 1983 |
| 4396278 |
Photographic enlarger |
Aug. 2, 1983 |
| 4372678 |
Light-mixing system |
Feb. 8, 1983 |
| 4371258 |
Illuminating device for photographic copying apparatus |
Feb. 1, 1983 |
| 4367946 |
Light valve imaging apparatus having improved optical configuration |
Jan. 11, 1983 |
| 4359280 |
Process and system for variable contrast color photographic imaging |
Nov. 16, 1982 |
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