Scanning pulse generating circuit

Details Scanning pulse generating circuit Scanning pulse generating circuit

1988-09-06

1989-12-26

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

Particular transfer means

377 76, 377105, 358209, H03K 515, G11C 1918

Patent

active

048903086

ABSTRACT:
A scanning pulse generating circuit has a multiplicity of stages constitued by first basic circuits and second basic circuits which are connected to appear alternatingly in a cascade manner. The first basic circuit is composed of three or four MOS transistors and a feedback capacitor, and includes at least a bootstrap inverter, so as to produce predetermined output pulses upon receipt of driving synchronizing pulses. The second basic circuit has the same construction as the first basic circuit except that it receives different driving synchronizing pulse from that used in the first basic circuit. The output pulses from the respective basic circuits are free from drop of voltage and fluctuation, by virtue of the bootstrap effect. In addiition, power consumption can be reduced without difficulty.

REFERENCES:
patent: 3617767 (1971-11-01), Booher
patent: 3638036 (1972-01-01), Zimbelmann
patent: 3676709 (1972-07-01), Ducamus et al.
patent: 3829711 (1974-08-01), Crowle
patent: 4017741 (1977-04-01), Briggs

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