Photoelectric conversion device having improved illumination and

Details Photoelectric conversion device having improved illumination and Photoelectric conversion device having improved illumination and

1990-11-21

1993-02-16

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358475, 358484, H04N 104

Patent

active

051875950

ABSTRACT:
Apparatus for improving illumination in a photoelectric conversion device having a light source for illuminating an original, and at least one photoelectric conversion element for receiving light reflected from the original includes a light guide for guiding light from the light source to the original, the light guide having at least one side surface. A correction section is provided and is disposed adjacent the side surface of the light guide. The correction section acts to suppress total reflection of at least a portion of the light emitted from the light source. Preferably, the correction section comprises regularly spaced light absorbing or light diffusing elements formed on the side of the light guide. The improvement apparatus may be employed in an information processing apparatus such as a facsimile machine.

REFERENCES:
patent: 3544713 (1970-12-01), Case
patent: 4482804 (1984-11-01), Oritsuki et al.
patent: 4680644 (1987-07-01), Shirato et al.
patent: 4723129 (1988-02-01), Endo et al.
patent: 4740796 (1988-04-01), Endo et al.
patent: 4763189 (1988-08-01), Komatsu et al.
patent: 4942481 (1990-07-01), Yoshinouchi et al.
patent: 5101285 (1992-03-01), Kawai et al.

Affiliated with

Also associated with

Rating

Photoelectric conversion device having improved illumination and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photoelectric conversion device having improved illumination and, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photoelectric conversion device having improved illumination and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2152068