Light source apparatus for endoscope

Details Light source apparatus for endoscope Light source apparatus for endoscope

1990-10-16

1993-06-22

Wilson, John J.

Surgery

Truss

Perineal

128 4, A61B 106

Patent

active

052209121

ABSTRACT:
A light source apparatus for an endoscope comprises a light source for supplying light to the endoscope for illuminating an object, a microcomputer for effecting operation control, and an erasable programmable read only memory for storing data that is used in the microcomputer. The read only memory may be replaced with a access memory that has a chip select terminal connected to a programmable input/output interface, which is connected to a system bus of the microcomputer, in such a manner that the random access memory will not be selected when all output ports of the interface are set to either a high or low level.

REFERENCES:
patent: 4224643 (1981-01-01), Tokutomi
patent: 4557575 (1985-12-01), Tano et al.
patent: 4588927 (1986-05-01), Kanno et al.
patent: 4933843 (1990-06-01), Scheller et al.
H. Feichtinger. Mikrocomputer Von A Bis Z. Franzis Elektronik-Nachschlagewerk. 1982. pp. 52-53.

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