Inventor
PERKINS GEOFFREY W
US20 patents
⚠️ This page may combine multiple inventors who share the name “PERKINS GEOFFREY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
13 patentsUS4800429AJan 24, 1989
Auto sync polarity control circuit for use with monitor
MOTOROLA INC32 citations92
US4760353AJul 26, 1988
Integrated gyrator oscillator
MOTOROLA INC30 citations92
US5715014AFeb 3, 1998
Circuit and method of providing parental discretionary control on a PIP IC
MOTOROLA INC34 citations85
US4663594AMay 5, 1987
Electronic phase shifter circuit and method
MOTOROLA INC24 citations82
US4506292AMar 19, 1985
Video driver circuit and method for automatic gray scale adjustment and elimination of contrast tracking errors
MOTOROLA INC26 citations81
US5646580AJul 8, 1997
Method and apparatus for switching crystals in a crystal controlled oscillator
MOTOROLA INC13 citations73
US5552742ASep 3, 1996
Circuit for controlling current flow between two nodes
MOTOROLA INC13 citations73
US4876518AOct 24, 1989
Frequency tracking system
MOTOROLA INC10 citations73
US4485348ANov 27, 1984
Full wave envelope detector using current mirrors
MOTOROLA INC15 citations73
US4298886ANov 3, 1981
Automatic peak beam current leveler system
MOTOROLA INC9 citations73
US5767662AJun 16, 1998
Amplifier having single-ended input and differential output and method for amplifying a signal
MOTOROLA INC6 citations62
US5093585AMar 3, 1992
Current biasing for I2 L circuits
MOTOROLA INC2 citations60
US4488177ADec 11, 1984
T.V. Integrator circuit and horizontal oscillator
MOTOROLA INC0 citations41
FREESCALE SEMICONDUCTOR INC
4 patentsUS8049299B2Nov 1, 2011
Antifuses with curved breakdown regions
FREESCALE SEMICONDUCTOR INC9 citations82
US7700417B2Apr 20, 2010
Methods for forming cascode current mirrors
FREESCALE SEMICONDUCTOR INC6 citations74
US7851834B2Dec 14, 2010
Cascode current mirror and method
FREESCALE SEMICONDUCTOR INC2 citations63
US7486535B2Feb 3, 2009
Method and device for programming anti-fuses
FREESCALE SEMICONDUCTOR INC5 citations62