41
Kent D Vincent: Electrically heated transfer line for capillary tubing. Hewlett Packard Company, Jeffery B Fromm, March 17, 1987: US04650964 (13 worldwide citation)

A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400.degree. C. with less than 30 watts of power. The power is applied to ...


42
Robert M Batey, James D Becker: Apparatus for peak detection in magnetic recording. Hewlett Packard Company, Jeffery B Fromm, October 30, 1984: US04480276 (13 worldwide citation)

An apparatus is disclosed for detecting the peaks of a signal recorded on a magnetic storage medium. An absolute value circuit is used to generate an output that is approximately equivalent to the mathematical absolute value of the raw signal input from the storage medium. The absolute value signal ...


43
Michael L Christensen: Fixture latching mechanism. Hewlett Packard Company, Jeffery B Fromm, August 15, 1989: US04857009 (12 worldwide citation)

A fixture latching mechanism for mass terminating a printed circuit test fixture to a test head probe field wherein said fixture latching mechanism is comprised of simultaneously functioning pulldown towers, each of which further comprises a housing having an internal wall for guiding a vertically m ...


44
Kent D Vincent: Heated transfer line for capillary tubing. Hewlett Packard Company, Jeffery B Fromm, March 1, 1988: US04728776 (11 worldwide citation)

A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400 degrees with less than 30 watts of power. The power is applied to an ...


45
Young S You: Anti-wetting in fluid nozzles. Hewlett Packard Company, Jeffery B Fromm, November 26, 1985: US04555062 (11 worldwide citation)

A novel ionic surface preparation for nozzles used in spraying fluid droplets such as used in ink jet printers is disclosed. In conjunction with an oppositely charged ionic anti-wetting agent dissolved in the sprayed fluid, the new surface preparation reliably reduces the wetting of the nozzle surfa ...


46
Kent Vincent, Hans Georg Haertl: Diaphragm pump with improved pressure regulation and damping. Hewlett Packard Company, Jeffery B Fromm, July 10, 1984: US04459089 (11 worldwide citation)

A new mechanism for pulsation damping in a reciprocating diaphragm pump system is disclosed which is especially suitable for solvent delivery in modern high pressure liquid chromatography requiring a wide range of solvent flow rates and pressures. The disclosed damper has good overall performance ov ...


47
Dan M Hunsinger: Integratable single pulse circuit. Hewlett Packard Company, Jeffery B Fromm, Edward Y Wong, January 25, 1983: US04370569 (10 worldwide citation)

An integratable circuit provides a single short pulse in response to a trigger input to the circuit. The circuit relies entirely on internal elements without the use of regeneration for determining the pulse width. Specifically, two signal paths from the input meet at the output to generate the shor ...


48
Bill Eaton, Marvin L Higgins: Inverse shadowing in electroluminescent displays. Hewlett Packard Company, Jeffery B Fromm, February 10, 1987: US04642524 (10 worldwide citation)

An apparatus for essentially eliminating variations in luminescence (i.e., inverse shadowing) in an electroluminescent (EL) display is disclosed. The pixels of an EL display are driven to their light emitting voltage with a signal having a rise time dv/dt at and above the pixel light emitting thresh ...


49
Mark Edward Shaw, Vipul Gandhi, Leon Hong, Gary Belgrave Gostin, Craig W Warner, Paul Henry Bouchier, Todd Kjos, Guy Lowell Kuntz, Richard Dickert Powers, Bryan Craig Stephenson, Ryan Weaver, Brian Johnson, Glen Edwards, Brendan A Voge, Gregg Bernard Lesartre: Security measures in a partitionable computing system. Hewlett Packard Development Company, Jeffery B Fromm, February 13, 2007: US07178015 (10 worldwide citation)

A partitionable computer system and method of operating the same is disclosed. The partitionable computer system has a state machine, a processor, and a device controller. The state machine can be configured to monitor the status of a partition of the partitionable computer system. The information p ...


50
Jimmie D Felps: Apparatus for non-dissipative switching transistor snubber. Hewlett Packard Company, Karl E Bring, Jeffery B Fromm, September 20, 1988: US04772810 (10 worldwide citation)

A high efficiency non-dissipative snubber circuit suitable for most power supplies used in international markets is disclosed. Circuit uses diode-capacitor-inductor structure to capture input voltage equivalent and reverse polarity on snubber capacitor. No external voltage source is required.