Inventor
CROOK DAVID T
US30 patents
⚠️ This page may combine multiple inventors who share the name “CROOK DAVID T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
10 patentsUS5274336ADec 28, 1993
Capacitively-coupled test probe
HEWLETT PACKARD CO210 citations98
US5469064ANov 21, 1995
Electrical assembly testing using robotic positioning of probes
HEWLETT PACKARD CO88 citations95
US5557209ASep 17, 1996
Identification of pin-open faults by capacitive coupling through the integrated circuit package
HEWLETT PACKARD CO80 citations94
US5498964AMar 12, 1996
Capacitive electrode system for detecting open solder joints in printed circuit assemblies
HEWLETT PACKARD CO71 citations94
US5254953AOct 19, 1993
Identification of pin-open faults by capacitive coupling through the integrated circuit package
HEWLETT PACKARD CO111 citations92
US5696451ADec 9, 1997
Identification of pin-open faults by capacitive coupling
HEWLETT PACKARD CO44 citations91
US5625292AApr 29, 1997
System for measuring the integrity of an electrical contact
HEWLETT PACKARD CO31 citations91
US5381417AJan 10, 1995
Circuit testing system
HEWLETT PACKARD CO56 citations91
US4801878AJan 31, 1989
In-circuit transistor beta test and method
HEWLETT PACKARD CO12 citations73
US4799023AJan 17, 1989
Circuits and apparatus which enable elimination of setup time and hold time testing errors
HEWLETT PACKARD CO8 citations68
AGILENT TECHNOLOGIES INC
9 patentsUS6930494B2Aug 16, 2005
Capacitive probe assembly with flex circuit
AGILENT TECHNOLOGIES INC61 citations95
US7109728B2Sep 19, 2006
Probe based information storage for probes used for opens detection in in-circuit testing
AGILENT TECHNOLOGIES INC16 citations91
US6529019B1Mar 4, 2003
Multiple axis magnetic test for open integrated circuit pins
AGILENT TECHNOLOGIES INC22 citations91
US6377901B1Apr 23, 2002
Method and apparatus for adaptively learning test measurement delays on an individual device test for reducing total device test time
AGILENT TECHNOLOGIES INC21 citations89
US7492170B2Feb 17, 2009
Probe based information storage for probes used for opens detection in in-circuit testing
AGILENT TECHNOLOGIES INC7 citations72
US6876214B2Apr 5, 2005
Method and apparatus for configurable hardware augmented program generation
AGILENT TECHNOLOGIES INC9 citations72
US6636061B1Oct 21, 2003
Method and apparatus for configurable hardware augmented program generation
AGILENT TECHNOLOGIES INC11 citations72
US6901336B2May 31, 2005
Method and apparatus for supplying power, and channeling analog measurement and communication signals over single pair of wires
AGILENT TECHNOLOGIES INC10 citations71
US6324486B1Nov 27, 2001
Method and apparatus for adaptively learning test error sources to reduce the total number of test measurements required in real-time
AGILENT TECHNOLOGIES INC12 citations69
ANALOG DEVICES INC
9 patentsUS5530444AJun 25, 1996
Differential amplifiers which can form a residue amplifier in sub-ranging A/D converters
ANALOG DEVICES INC94 citations94
US6549079B1Apr 15, 2003
Feedback systems for enhanced oscillator switching time
ANALOG DEVICES INC23 citations92
US5703519ADec 30, 1997
Drive circuit and method for controlling the cross point levels of a differential CMOS switch drive signal
ANALOG DEVICES INC32 citations92
US6621354B1Sep 16, 2003
Feedback methods and systems for rapid switching of oscillator frequencies
ANALOG DEVICES INC23 citations91
US5661422AAug 26, 1997
High speed saturation prevention for saturable circuit elements
ANALOG DEVICES INC22 citations91
US5479119ADec 26, 1995
High speed active overvoltage detection and protection for overvoltage sensitive circuits
ANALOG DEVICES INC27 citations91
US5898325AApr 27, 1999
Dual tunable direct digital synthesizer with a frequency programmable clock and method of tuning
ANALOG DEVICES INC43 citations88
US6522206B1Feb 18, 2003
Adaptive feedback-loop controllers and methods for rapid switching of oscillator frequencies
ANALOG DEVICES INC19 citations82
US7026846B1Apr 11, 2006
Synthesizer structures and methods that reduce spurious signals
ANALOG DEVICES INC13 citations79