Control system with a microprocessor

Details Control system with a microprocessor Control system with a microprocessor

1984-05-09

1986-09-09

Smith, Jerry

Boots, shoes, and leggings

371 12, G06F 1100

Patent

active

046112715

ABSTRACT:
A control system with a microprocessor controls an output pressure of a water/air pump and a light amount of a light source lamp in an endoscope. Under control of a program, the microprocessor periodically accesses a decoder to periodically generate a pulse signal. The generated pulse signal is applied to a watch dog type detector for detecting an abnormal operation of the microprocessor. When the microprocessor operates abnormally and is detected, the microprocessor is reset, and an output pressure of a water/air pump and a light amount of a light source lamp are respectively set at the maximum levels independently of the control by the microprocessor.

REFERENCES:
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patent: 4363092 (1982-12-01), Abo
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patent: 4488303 (1984-12-01), Abramovich
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patent: 4511982 (1985-04-01), Kurakake
patent: 4531198 (1985-07-01), Matsuda
patent: 4532594 (1985-07-01), Hosaka
patent: 4541050 (1985-09-01), Honda
patent: 4542506 (1985-09-01), Oe et al.

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