1
Frederick K Bell, Gary E Brazier, Stephen N Brown: Method for calibrating a coordinate measuring machine and the like and system therefor. The Warner & Swasey Company, David R Syrowik, Raymond J Eifler, April 4, 1989: US04819195 (176 worldwide citation)

Method (FIGS. 4A through 4C) and system (FIG. 3) are disclosed for automatically calibrating a coordinate measuring machine (CMM) (10). The system guides an operator through instrument set-up and data collection procedures. The system automatically converts the collected data into error compensation ...


2
Frederick K Bell, Stephen N Brown, Michael T Gale: Method for determining position within the measuring volume of a coordinate measuring machine and the like and system therefor. The Warner & Swasey Company, David R Syrowik, Raymond J Eifler, July 31, 1990: US04945501 (163 worldwide citation)

Axis correction or machine charateristic data is stored (108) in memory (110) within a control or measurement processor (36) of a CMM (10) (FIG. 8). The axis correction data includes error data representing 21 different geometry errors (FIG. 4A through 4C) of the CMM. As position information is requ ...


3
Eugene F Banka, Roger F Thompson: Credit card reader amplifier. Burroughs Corporation, David R Syrowik, Ronald L Taylor, Edwin W Uren, May 9, 1978: US04088879 (21 worldwide citation)

An amplifying device operative to sense changes in the speed of an encoded card as it is being read so as to be able to adjust the reading rate to compensateably follow said changes. The amplifying device is also able to differentially peak sense pulses read thereby disallowing noise transients.


4
Eric G Anderson: Current control circuit. Burroughs Corporation, David R Syrowik, Carl Fissell Jr, Kevin R Peterson, August 15, 1978: US04107593 (21 worldwide citation)

An electronic circuit is provided for controlling the energization of the windings of a stepper motor. The electronic circuit is responsive to a sequencing circuit which selects which one of the stepper windings is to be energized. The electronic circuit includes switching transistors which are elec ...


5
Kenneth F Migda: Method and system for controlling a machine tool such as a turning machine. The Cross Company, David R Syrowik, Raymond J Eifler, February 5, 1991: US04990840 (20 worldwide citation)

A method and system (10) for controlling radial movement of a machine tool, such as a turning machine, relative to a workpiece (11), is characterized by a digital filter (70, 72, 74) which produces a filtered final control signal which is a function of both radial position and velocity of a cutting ...


6
Gerald J Lehner, Eugene F Banka: Apparatus for reducing the number of undetected errors read along the length of a binary information bearing medium. Burroughs Corporation, David R Syrowik, Carl Fissell Jr, Kevin R Peterson, August 1, 1978: US04104682 (20 worldwide citation)

An apparatus is described for reducing the number of undetected errors serially read along the length of a magnetic stripe containing binary information. The magnetic stripe is adhesively attached to a plastic card. A serial self-clocking data stream is developed from a manual magnetic stripe encode ...


7
Lawrence Speckman, Jack Beery: Microfilm cassette module. Burroughs Corporation, Charles P Sammut, David R Syrowik, Carl Fissell Jr, November 27, 1979: US04175719 (17 worldwide citation)

An assembly for housing microfilm is provided. The assembly includes a first cartridge, a second cartridge, and a connector assembly for detachably connecting the first cartridge to the second cartridge along an offset axis of the assembly. The first and second cartridges have a base plate and a cov ...


8
Jack Beery: Ribbonless endorser for printing both fixed and variable information on moving documents. Burroughs Corporation, David R Syrowik, Edwin W Uren, Carl Fissell Jr, January 24, 1978: US04069755 (10 worldwide citation)

An endorser for use in document processing apparatus is provided with a matrix wire printer for printing variable information on documents as they are transported at a controlled speed along a transport path forming part of an endorsing station, and with a rotatable ink stamp driven by a controlled ...


9
Hartmut Stiegler, Albert Blum: Trim compensation for a hovercraft. David R Syrowik, June 4, 1996: US05522470 (9 worldwide citation)

Trim compensation for a hovercraft having two engines (2,3) with flow outlet apertures. The two engines (2,3) are arranged laterally at the stern of the hovercraft to generate air jets for forward motion. The hovercraft also includes a compressor to generate an air cushion beneath the hovercraft. Th ...


10
Richard W Normann, LeRoy W Fairbairn: Method of making an electrical connector assembly. The Bendix Corporation, David R Syrowik, Raymond J Eifler, Charles D Lacina, April 19, 1983: US04380119 (9 worldwide citation)

An improved electrical connector assembly (10) is disclosed. The assembly is especially adapted for engagement with a printed circuit board (76) having electrical circuits formed on both sides thereof. The assembly includes a body (12) of molded dielectric material having four spaced rows of passage ...