Contact type document reading device with uniform line-to-line c

Details Contact type document reading device with uniform line-to-line c Contact type document reading device with uniform line-to-line c

1985-06-18

1987-07-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

357 30, 357 68, 361404, H01J 4014

Patent

active

046804773

ABSTRACT:
A document reading device of a charge storage type comprising a plurality of light receiving elements arranged on a substrate in a main scanning direction of a document and a plurality of wiring conductor lines for electrically connecting between the light receiving elements and drive elements, wherein the plurality of conductor lines are made different in their width in accordance with their wiring position to thereby make line-to-line capacitances of the conductor lines substantially the same, thus making the same capacitances appearing between the light receiving elements and drive elements for all bits.

REFERENCES:
patent: 4617471 (1986-10-01), Suzuki et al.

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