Fred Wright

US Patent:

43342124, Jun 8, 1982

Filed:

Sep 21, 1979

Appl. No.:

6/077599

Inventors:

Fred R. Wright - San Pedro CA

International Classification:

H03K 1302

US Classification:

340347DA

Abstract:

An arrangement of bistable data latches useful with a digital to analog converter for controlling the light output of a lamp. The data latches are provided with individual touch sensitive selection elements for controlling the pattern of binary signals generated at the output of the latches to define the voltage available for energizing the lamp or load. The selection elements may be operated in sequence or at random to select the desired output.

US Patent:

45091838, Apr 2, 1985

Filed:

Sep 16, 1982

Appl. No.:

6/418694

Inventors:

Fred R. Wright - San Pedro CA

International Classification:

H03K 2304
H03K 2308
G11C 1928

US Classification:

377125

Abstract:

A linear array of bistable data latches and logic gates arranged to count the binary transitions, both low to high and high to low, of a clock signal and provide a threshold style output code, characterized along the array by high logic states on one side of the threshold point and low logic states on the opposite side. Each latch in the array is permitted to set when a clock transition occurs after the preceding latch has set or to reset when a clock transition occurs after the succeeding latch has reset. Clock phasing and count enable/disable logic may be included along with direct set/reset inputs in order to accomplish parallel and/or ripple preset/clear functions or other output code modifications.