1
Arlen R Lessin, Frank M Gruppuso, Shelley A Harrison: Intelligent portable interactive personal data system. SmartCard International, Pennie & Edmonds, September 19, 1989: US04868376 (518 worldwide citation)

An intelligent portable interactive personal data system is disclosed. A microprocessor with memory is containted with a transaction card-shaped housing. An alphanumeric keypad and alphanumeric display is located on a surface of the housing. At least one port within the housing is provided for the i ...


2
Jerome Swartz, Edward Barkan, Shelley A Harrison: Portable laser scanning system and scanning methods. Symbol Technologies, Kirschstein Kirschstein Ottinger & Cobrin, June 7, 1983: US04387297 (386 worldwide citation)

An entirely field-portable laser scanning system for reading bar code symbols includes a light-weight and small-sized laser scanning head. The laser source, power supply component, optics, scanning elements, sensor circuit, and signal processing circuitry are specially designed for minimal size and ...


3
Jerome Swartz, Shelley A Harrison, Edward Barkan, Frank Delfine, George Brown: Portable laser scanning arrangement for and method of evaluating and validating bar code symbols. Symbol Technologies, Kirschstein Kirschstein Ottinger & Cobrin, February 17, 1981: US04251798 (291 worldwide citation)

Laser light reflected from a bar code symbol pattern is detected by a photodetector mounted in a portable scanning head of a laser scanning system. By selecting appropriate threshold values on the analog signal generated by the photodetector, the analog signal is converted to a series of pulses, eac ...


4
Jerome Swartz, Edward Barkan, Richard Bravman, Frank Delfine, Shelley A Harrison, Alexander M Adelson: Portable, stand-alone, desk-top laser scanning workstation for intelligent data acquisition terminal and method of scanning. Symbol Technologies, Kirschstein Kirschstein Ottinger & Cobrin, January 18, 1983: US04369361 (198 worldwide citation)

A portable, stand-alone, desk-top, laser scanning workstation includes a laser scanning head mounted above a support base. Objects bearing bar code symbols to be scanned are passed underneath the head for overhead scanning, or are passed along one side of the head for sideward scanning. The symbols ...


5
Jerome Swartz, Edward Barkan, Shelley A Harrison: Portable laser scanning system and scanning methods. Symbol Technologies, Kirschstein Kirschstein Ottinger & Israel, January 29, 1985: US04496831 (164 worldwide citation)

An entirely field-portable laser scanning system for reading bar code symbols includes a light-weight and small-sized laser scanning head. The laser source, power supply component, optics, scanning elements, sensor circuit, and signal processing circuitry are specially designed for minimal size and ...


6
Jerome Swartz, Shelley A Harrison, Edward Barkan, Frank Delfine, George Brown: Portable laser scanning arrangement for and method of evaluating and validating bar code symbols. Symbol Technologies, Kirschstein Kirschstein Ottinger & Cobrin, November 23, 1982: US04360798 (135 worldwide citation)

Laser light reflected from a bar code symbol pattern is detected by a photodetector mounted in a portable scanning head of a laser scanning system. By selecting appropriate threshold values on the analog signal generated by the photodetector, the analog signal is converted to a series of pulses, eac ...