1
McKee D Poland: Bar code reader configuration and control using a bar code menu to directly access memory. Hewlett Packard Company, James M Williams, April 25, 1989: US04825058 (157 worldwide citation)

A bar code reader configuration and control system uses an interpreter routine in the operating system of the bar code reader and a menu with bar code tags encoded to invoke instructions which directly access and manipulate the system's memory. The instructions encoded in the bar code labels on the ...


2
Michael Brosnan, Ronald Quan: Digital bar code slot reader with threshold comparison of the differentiated bar code signal. Hewlett Packard Company, James M Williams, April 26, 1988: US04740675 (155 worldwide citation)

A digital bar code slot reader provides low first bar error rates and a wide scan speed range for bar codes on laminated badges and tags, and is also capable of reading bar codes on paper. The reflectance waveform from the bar code is differentiated in order to find the regions of high slope. The di ...


3
William S Worley Jr, William R Bryg, Allen Baum: Cache memory consistency control with explicit software instructions. Hewlett Packard Company, James M Williams, December 15, 1987: US04713755 (129 worldwide citation)

Memory integrity is maintained in a system with a hierarchical memory using a set of explicit cache control instructions. The caches in the system have two status flags, a valid bit and a dirty bit, with each block of information stored. The operating system executes selected cache control instructi ...


4
Allen P Edwards, David R Gildea, Chung Y Lau: Calibration of vector modulators using a scalar detector. Hewlett Packard Company, James M Williams, January 5, 1988: US04717894 (98 worldwide citation)

Calibration of a vector modulator is done using a scalar detector to measure the amplitude of the RF output signal, phase shifters to adjust the relative phases of the I and Q components of the RF carrier, and variable attenuators in the I and Q modulation signal input lines to adjust the relative a ...


5
Le Thieu Hong, Cynthia Givens, Ching Chao Liu, Michael J Wright, Feyzi Fatehi: Data base management system for real-time applications. Hewlett Packard Company, James M Williams, October 2, 1990: US04961139 (88 worldwide citation)

A real-time database provides the predictable, high speed data access required for on-line applications, while providing flexible searching capabilities. The data retrieval routines include the option to "read-through-lock" to access data in locked data tables, the capability to directly access to d ...


6
Harold B Noyes: Modem with power-off ring detection. Hewlett Packard Company, James M Williams, April 7, 1987: US04656318 (53 worldwide citation)

A modem which can detect an incoming call and provide an indication of the incoming call to a host computer while the power to the modem is turned off, comprising a switchable power supply that can be turned on and off by a remote input from the host computer, a ring detector circuit that monitors f ...


7
John J Bockman: Linear-and-angular measuring plane mirror interferometer. Hewlett Packard Company, James M Williams, November 12, 1991: US05064289 (53 worldwide citation)

A linear-and-angular measuring plane mirror interferometer measures two degrees of freedom, both linear translation and rotation angle, using a single interferometer optical assembly. In alternate orientations it can be used to measure either the pitch, roll or yaw angle. The linear-and-angular meas ...


8
McKee D Poland: Means and method of scaling time interval measurements from an optical bar code scanner to improve decoder efficiency. Hewlett Packard Company, James M Williams, August 2, 1988: US04761544 (50 worldwide citation)

A bar code decoder transforms the output from a wand scanner so that it has the same characteristics as the output from a laser scanner. Once this transformation is accomplished, decoding is done using the same process and hardware to decode wand or laser scanner data. The transformation includes sc ...


9
John C Ellenberger, Inbae Yoo, Eugene V Burdick: Hermetic high frequency surface mount microelectronic package. Hewlett Packard Company, James M Williams, May 15, 1990: US04925024 (45 worldwide citation)

A hermetic package for microelectronic circuits comprises a ceramic base with conductive, hermetically sealed vias that connect the metal ground plane on the bottom of the base to the circuit on the top, a ceramic frame sealed to the top of the base, leads sealed between the frame and the base, and ...


10
Richard K Karlquist: Digital data buffer and variable shift register. Hewlett Packard Company, James M Williams, November 15, 1988: US04785415 (39 worldwide citation)

A combination FIFO buffer and programmable shift register having asynchronous input and output capabilities comprises a three stage system which synchronizes the incoming data stream with the memory input clock, buffers the incoming data stream and provides a variable delay for the data. The digital ...