Television camera lens diagnostic system

Details Television camera lens diagnostic system Television camera lens diagnostic system

1994-04-15

1996-08-13

Horabik, Michael

Television

Camera with built-in test signal generator, test pattern, or...

348207, H04N 1700, H04N 5225

Patent

active

055461263

ABSTRACT:
A television camera lens diagnostic system for diagnosing the state of operation of a movable mechanism in a lens unit has a start button which generates a start signal for commanding initiation of the diagnosis when pushed and a diagnostic action commanding circuit commands the movable mechanism to take a predetermined action for the diagnosis upon receipt of the start signal. Potentiometers detects the actual action of the movable mechanism and a microcomputer determines whether the movable mechanism has trouble on the basis of the actual action of the movable mechanism detected by the potentiometers and the extent and the condition of the trouble are displayed.

REFERENCES:
patent: 4315232 (1994-05-01), Stewart
patent: 4763149 (1988-08-01), Takahashi
patent: 4780734 (1988-10-01), Ogawa et al.
patent: 4914465 (1990-04-01), Saegusa et al.
patent: 5138459 (1992-08-01), Roberts et al.
patent: 5225865 (1993-07-01), Shiomi et al.
Motorola Semiconductor Technical Data, Linear & Interface Integrated Circuits Rev. 3 1990, MC33035.

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