1
Gerald A Pierce, James L Buxton: Read-only optical card and system. Drexler Technology Corporation, Thomas Schneck, March 29, 1988: US04734565 (99 worldwide citation)

An optical data read-only card and system using a length of optical recording material in which data in the form of microscopic spots is disposed in cells forming a regularly spaced grid. The spots contrast with the background media with a reflective contrast ratio of at least 1.5 to 1. While the ma ...


2
Gerald A Pierce, James L Buxton: Quad density optical data system. Drexler Technology Corporation, January 6, 1987: US04634850 (95 worldwide citation)

An optical data storage and retrieval system using a length of optical recording material in which data in the form of microscopic spots is disposed in cells forming a regularly spaced grid. While the material is being moved in a lengthwise direction by a transport, rows of cells are being read by a ...


3
Gerald A Pierce, James L Buxton, Norman A Peppers, Warren J Vinzant: Three-beam optical servo tracking system with two-track parallel readout. Drexler Technology Corporation, July 1, 1986: US04598393 (47 worldwide citation)

A servo tracking system for an optical record uses a pattern of preformed optically detectable uniform servo track marks disposed in parallel spaced apart columns in combination with a beam from a radiation source split by a diffraction grating into three beams having unequal power distribution. The ...


4
Gerald A Pierce, James L Buxton: Transmissively read quad density optical data system. Drexler Technology Corporation, Thomas Schneck, November 22, 1988: US04786792 (38 worldwide citation)

An optical data storage and retrieval system using a length of optical recording material in which data in the form of microscopic spots is disposed in cells forming a regularly spaced grid. While the material is being moved in a lengthwise direction by a transport, rows of cells are being read by a ...


5
Gerald A Pierce, Gregory K Myers: Debit card. Drexler Technology Corporation, July 1, 1986: US04598196 (37 worldwide citation)

An optical information-bearing debit card having servo tracks and calibration works on a recording medium for aligning a reading or writing light beam with a nearby value site area. The medium is an elongated strip of reflective information storage material adhered to a self-supporting card, like a ...


6
Gerald A Pierce, Louis F Schaefer, Norman A Peppers, William F Mullen: Dual beam optical data system. Drexler Technology Corporation, Thomas Schneck, March 8, 1988: US04730293 (36 worldwide citation)

An optical data reading and writing system in which a laser beam records data spots on a medium and a wide light beam is used for simultaneously reading the data spots and prerecorded information. The laser beam records spots of a uniform size which is less than about ten micrometers. The wide beam ...


7
David L Mowers, Santo A Lamantia, David J Mueller, Bruce N Alleshouse, Victor Barczyk, Gerald A Pierce, David C Wyland, Lawrence E Demar, Paul G Dussault: Multi-lane bowling system with remote operator control. Brunswick Bowling & Billards Corporation, Wood Phillips Mason Recktenwald & VanSanten, March 31, 1992: US05101354 (27 worldwide citation)

A bowling center system includes a plurality of lane pair control systems each including a pin setting device for each lane, a pin setter control unit, a game control unit, a bowler input station and a pair of overhead display monitors. The game control unit is operable under the control of a game c ...


8
David L Mowers, Santo A Lamantia, David J Mueller, Bruce N Alleshouse, Victor S Barczyk, Gerald A Pierce, David C Wyland, Lawrence E Demar, Paul G Dussault: Bowling center video display system. Brunswick Bowling & Billiards, Wood Phillips VanSanten Hoffman & Ertel, October 19, 1993: US05255185 (25 worldwide citation)

A bowling center system includes a plurality of lane pair control systems each including a pin setting device for each lane, a pin setter control unit, a game scoring control unit, a bowler input station and a pair of overhead display monitors. A manager's control system provides accounting control ...


9
Norman A Peppers, James R Young, Gerald A Pierce, Hisami Nishi: Image correlation calculation apparatus. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, November 5, 1991: US05063602 (20 worldwide citation)

In an image correlation calculation apparatus for optically calculating correlations between reference patterns and an image such as a character or any other figure, the image such as the character or any other figure subjected to correlation calculations is optically multiplied by a multiplier to f ...


10
Gerald A Pierce: Wide beam detector system for optical memories. Samsung Electronics, Burns Doane Swecker & Mathis, August 17, 1993: US05237556 (18 worldwide citation)

The present invention relates to a method and apparatus for high speed reading of multiple data tracks stored on an optical recording medium, such as a flexible optical tape. Data can be accurately read in the presence of position and alignment errors illuminating plural tracks of the optical record ...