Sensor, scanner and portable information terminal each...

Details Sensor, scanner and portable information terminal each... Sensor, scanner and portable information terminal each...

2007-10-09

2007-10-09

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C358S482000

Reexamination Certificate

active

11053852

ABSTRACT:
To provide a close contact type sensor promoting a light utilizing efficiency, there is provided a close contact type sensor featured in that in a close contact type sensor having a sensor circuit portion and an irradiation window portion, a plurality of the irradiation windows are arranged and positions and sizes of the irradiation windows are matched to positions and sizes of opening portions of LCD utilized as a light source.

REFERENCES:
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patent: 6421468 (2002-07-01), Ratnakar et al.
patent: 08079444 (1996-03-01), None
patent: 09-219823 (1997-08-01), None
Yamaguchi, M. et al., “Two-Dimensional Contact-Type Image Sensor Using Amorphous Silicon Photo-Transistor”, Japanese Journal of Applied Physics, vol. 32, No. 1B, Jan. 1993, pp. 458-461.

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