Narrow-bodied, single- and twin-windowed portable laser scanning

Details Narrow-bodied, single- and twin-windowed portable laser scanning Narrow-bodied, single- and twin-windowed portable laser scanning

1992-06-08

1993-11-16

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

235462, G06K 710

Patent

active

052626288

ABSTRACT:
A scanning head for reading bar code symbols includes a laser source producing a beam which is scanned across a symbol to be read by a moving mirror arrangement, and a photodetector responsive to light reflected from the symbol. The signal from the photodetector is digitized and decoded to recover bar code data. The scanning head includes a keyboard for entering data, and a display from showing data, and a microprocessor in the head controls the operations of the various components. A transmitter and receiver may be located in the scanning head for communication with a central computer, and a battery included in the head as a power supply, so that the scanning head need not be connected by a cable to a terminal.

REFERENCES:
patent: 4387297 (1983-06-01), Swartz et al.
patent: 4418277 (1983-11-01), Tremmel et al.
patent: 4758717 (1988-07-01), Shepard et al.
patent: 5047617 (1991-09-01), Shepard et al.
patent: 5130520 (1992-07-01), Shepard et al.

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