Inventor
FITZPATRICK MARK E
US27 patents
⚠️ This page may combine multiple inventors who share the name “FITZPATRICK MARK E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAZELLE MICROCIRCUITS INC
21 patentsUS5072195ADec 10, 1991
Phase-locked loop with clamped voltage-controlled oscillator
GAZELLE MICROCIRCUITS INC99 citations96
US4918336AApr 17, 1990
Capacitor coupled push pull logic circuit
GAZELLE MICROCIRCUITS INC68 citations96
US4800303AJan 24, 1989
TTL compatible output buffer
GAZELLE MICROCIRCUITS INC105 citations96
US5204555AApr 20, 1993
Logic array having high frequency internal clocking
GAZELLE MICROCIRCUITS INC62 citations95
US4970406ANov 13, 1990
Resettable latch circuit
GAZELLE MICROCIRCUITS INC71 citations94
US4970415ANov 13, 1990
Circuit for generating reference voltages and reference currents
GAZELLE MICROCIRCUITS INC35 citations92
US4910418AMar 20, 1990
Semiconductor fuse programmable array structure
GAZELLE MICROCIRCUITS INC49 citations92
US4853628AAug 1, 1989
Apparatus for measuring circuit parameters of a packaged semiconductor device
GAZELLE MICROCIRCUITS INC49 citations92
US4897836AJan 30, 1990
Programmable connection path circuit
GAZELLE MICROCIRCUITS INC25 citations90
US4912745AMar 27, 1990
Logic circuit connecting input and output signal lines
GAZELLE MICROCIRCUITS INC19 citations74
US4812683AMar 14, 1989
Logic circuit connecting input and output signal leads
GAZELLE MICROCIRCUITS INC11 citations74
US4810905AMar 7, 1989
Capacitor coupled push pull logic circuit
GAZELLE MICROCIRCUITS INC16 citations74
US4791322ADec 13, 1988
TTL compatible input buffer
GAZELLE MICROCIRCUITS INC18 citations74
US4978904ADec 18, 1990
Circuit for generating reference voltage and reference current
GAZELLE MICROCIRCUITS INC16 citations73
US4868416ASep 19, 1989
FET constant reference voltage generator
GAZELLE MICROCIRCUITS INC15 citations73
US4868427ASep 19, 1989
ECL to TTL circuit
GAZELLE MICROCIRCUITS INC9 citations72
US4871931AOct 3, 1989
Logic circuit resistant to errors due to supply fluctuations
GAZELLE MICROCIRCUITS INC9 citations71
US4849717AJul 18, 1989
Oscillator circuit
GAZELLE MICROCIRCUITS INC5 citations63
US5063343ANov 5, 1991
Current pump structure
GAZELLE MICROCIRCUITS INC6 citations62
US5030854AJul 9, 1991
Translator circuit for converting ECL type signals to TTL type signals
GAZELLE MICROCIRCUITS INC2 citations62
US5004971AApr 2, 1991
Floating transistor switch
GAZELLE MICROCIRCUITS INC6 citations62
MONOLITHIC MEMORIES INC
3 patentsUS4684830AAug 4, 1987
Output circuit for a programmable logic array
MONOLITHIC MEMORIES INC104 citations94
US4625311ANov 25, 1986
Programmable array logic circuit with testing and verification circuitry
MONOLITHIC MEMORIES INC29 citations92
US4755967AJul 5, 1988
Programmable synchronous sequential state machine or sequencer having decision variable input mapping circuit responsive to feedback signals
MONOLITHIC MEMORIES INC11 citations67