Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2005-10-04
2005-10-04
Porta, David (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S2140AL, C250S238000
Reexamination Certificate
active
06952002
ABSTRACT:
An image processing apparatus is provided which includes: a sensor unit having a plurality of photoelectric conversion portions for converting light from an object into charges and accumulating the charges; a sensor drive circuit for controlling an accumulation time of the charges in the sensor unit; a light source for irradiating light on the object; a temperature detection circuit for detecting ambient temperature of the sensor unit; and a control circuit for controlling the sensor drive circuit and the light source according to an output of the temperature detection circuit.
REFERENCES:
patent: 4635126 (1987-01-01), Kinoshita
patent: 4910597 (1990-03-01), Harada et al.
patent: 4914519 (1990-04-01), Hashimoto et al.
patent: 5162912 (1992-11-01), Ueno et al.
patent: 5719950 (1998-02-01), Osten et al.
patent: 5923367 (1999-07-01), Tsunekawa et al.
patent: 5949478 (1999-09-01), Kunishige
patent: 6141436 (2000-10-01), Srey et al.
patent: 6271880 (2001-08-01), Kameshima et al.
patent: 6483095 (2002-11-01), Iwaki
patent: 2002/0012053 (2002-01-01), Yoshida
patent: 5889883 (1999-03-01), None
patent: 1221161 (1999-06-01), None
patent: 0792066 (1995-09-01), None
patent: 61-112472 (1986-05-01), None
patent: 62-2770 (1987-01-01), None
patent: 1-156668 (1989-10-01), None
patent: 5-207219 (1993-08-01), None
patent: 9-22071 (1997-01-01), None
patent: 11-185016 (1999-07-01), None
patent: 20000353236 (2000-12-01), None
patent: 2001-45294 (2001-02-01), None
patent: 2001-223861 (2001-08-01), None
patent: 2001230976 (2001-08-01), None
patent: 99002282 (1999-01-01), None
patent: WO 95/26013 (1995-09-01), None
Optical Technology Handbook, p. 318, section 4,1,3, published by Asakura Shoten, Aug. 24, 1952.
European Search Report in Application No. 02255022.2-2202-(Jan. 8, 2004).
Office Action in Korean bearing No. 10-2002-0041857 dated Jun. 22, 2004.
LandOfFree
Image processing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image processing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image processing apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3484324