Silicon butting contact image sensor with two-phase shift register
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United States of America Patent
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Mar 29, 1994
Issued Date -
N/A
app pub date -
Jul 13, 1993
filing date -
Jul 25, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved contact image sensor (CIS) which uses a two-phase shift register is disclosed. The shift register is clocked by both phases of the clock signal, thereby doubling its speed. A transmission gate in the shift register is eliminated and combined with one of the inverters to allow two-phase operation and reduce the number of transistors required to implement the shift register.
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