| Patent Number |
Title Of Patent |
Date Issued |
| 7284815 |
Inkjet recording apparatus and ink determination method |
October 23, 2007 |
| The inkjet recording apparatus comprises: a light emitting device which illuminates filled ink with light; a measuring device which measures a spectral characteristic of one of the light transmitted through the filled ink and the light reflected by the filled ink; and a determining d |
| 7222952 |
Method of preparing hard copies |
May 29, 2007 |
| The invention provides a method of preparing a hard copy by forming a transparent coating layer on a recording medium in areas where image has been recorded. The invention has the first step of causing clear droplets to fly from a recording head toward the areas where image has been |
| 7133020 |
Transfer apparatus |
November 7, 2006 |
| In the transfer apparatus, accumulated maximum transmittance of the color filters in each of ranges, in which respective spectral transmittance curves of the color filters overlap each other, is set smaller than a predetermined value. Alternatively, a light source is produced so that a |
| 7079229 |
Densitometry device |
July 18, 2006 |
| The present invention relates to a densitometry device that can perform suitable densitometry with minimum required light amounts and can achieve space savings. An angle .theta. between a reference optical axis of a light source, which is an LED chip, and an optical axis, according to a |
| 7058347 |
Surface treatment apparatus and image-forming apparatus |
June 6, 2006 |
| A surface treatment apparatus which can efficiently form fine depressions and protrusions on a sheet selected from an inkjet sheet, a thermosensitive recording sheet, a heat developing sheet, an electrophotographic sheet, and a silver halide photographic sheet, and an image-forming a |
| 6480219 |
Exposure head |
November 12, 2002 |
| An exposure head is provided in which a deterioration in image quality, due to density non-uniformity or the like, of an image formed by using plural light beams can be suppressed. A microlens array is provided at a light-exiting side of a LED chip which has plural LED elements. The |
| 6061371 |
System for monitoring amount of light emitted from surface emitting laser |
May 9, 2000 |
| A system for monitoring the amount of light emitted from a surface emitting laser includes a beam splitter which is fixed to the surface emitting laser and splits a part of a laser beam emitted from the laser as a monitor light, and a photodetector which detects the monitor light. |
| 5929979 |
Scanning exposure device |
July 27, 1999 |
| Scanning exposure for three pigments by three optical beams is carried out during a single main scanning. An angle of incidence and an angle between respective light beams are determined so as to prevent overlapping of scanning exposure. As a result, a single modulator can be used in |
| 5905851 |
Light beam scanning recording device |
May 18, 1999 |
| In a light beam scanning recording device, a color image is recorded on a recording material by scanning the recording material in a main scanning direction and a sub-scanning direction with light beams of three different wavelengths modulated according to an image signal. A light source |
| 5751748 |
System for monitoring amount of light emitted from surface emitting laser |
May 12, 1998 |
| A system for monitoring the amount of light emitted from a surface emitting laser includes a beam splitter which is fixed to the surface emitting laser and splits a part of a laser beam emitted from the laser as a monitor light, and a photodetector which detects the monitor light. |
| 5748283 |
Light-source device for exposure and light-source device for image reading |
May 5, 1998 |
| Respective light-emitting elements are caused to emit light at the maximum rated outputs and densities of three colors developed by a photosensitive material are made substantially uniform. The maximum rated outputs at light-emitting central wavelengths, of the three-color light-emitting |
| 5515136 |
Image recording apparatus |
May 7, 1996 |
| An image recording apparatus having a light source which illuminates light to one of a reflection original image and a transparency original image, and an imaging lens system which uses the light reflected or transmitted from the original image after being emitted from the light source t |
| 5419999 |
Optical recording medium and recording/reproducing method therefor |
May 30, 1995 |
| An optical recording medium and a recording method therefor in which a recording layer group and a light-absorbing and heat-generating layer for absorbing radiated light to convert the absorbed light into heat are formed on a substrate. The recording layer group is formed of thermo-s |
| 4682315 |
Focussing error detection device for use in optical disk type recording system |
July 21, 1987 |
| A focussing error detection device for use in a optical disk type recording system wherein a light beam is converged by objective lens means onto a recording surface of the disk and wherein the light beam reflected by said recording surface is divided by a first beam divider interposed b |
