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CPT CORP

US9 patents

Top patents by PatentIndex Score

USH696HOct 3, 1989

System for accessing shared resource device by intelligent user devices

CPT CORP35 citations88
US4650349AMar 17, 1987

Speed typing apparatus and method

CPT CORP25 citations80
US4067430AJan 10, 1978

Typewriter carriage movement mechanism

CPT CORP12 citations73
US4612481ASep 16, 1986

Linearity correction circuit

CPT CORP8 citations64
US4873704AOct 10, 1989

Method and apparatus for effectively doubling the operational speed of selected digital circuits

CPT CORP4 citations61
US4353013AOct 5, 1982

Drive circuits for a high resolutions cathode ray tube display

CPT CORP4 citations55
US4323826AApr 6, 1982

Drive circuits for a high resolution cathode ray tube display

CPT CORP4 citations55
US4238774ADec 9, 1980

Drive circuits for a high resolution cathode ray tube display

CPT CORP2 citations55
US4860311AAug 22, 1989

Method and apparatus for automatically converting input pulse train signals to output signals of desired polarity

CPT CORP6 citations53