Scan circuit with bootstrap drive

Details Scan circuit with bootstrap drive Scan circuit with bootstrap drive

1990-02-07

1992-06-02

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821322, H04N 5335

Patent

active

051192020

ABSTRACT:
There is provided a scan circuit in which a plurality of unit circuits are connected and scan pulses are sequentially output from the unit circuits in response to drive pulses. In this circuit, the potential at an output terminal of the unit circuit is raised by one drive pulse. The potential at the output terminal is further increased by use of the bootstrap effect by the other drive pulse, thereby forming a scan pulse.

REFERENCES:
patent: 4212034 (1980-07-01), Kokie et al.
patent: 4571625 (1986-02-01), Boudewijns
patent: 4866292 (1989-09-01), Takemoto et al.

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