Optical probe head with mounting means providing a free recalibr

Details Optical probe head with mounting means providing a free recalibr Optical probe head with mounting means providing a free recalibr

1992-04-06

1993-05-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

25022724, G05B 100

Patent

active

052103994

ABSTRACT:
An optical probe head has a front optic and an annular enclosure surrounding the front optic. The enclosure contains the illuminating device of the probe head. The front optic is rigidly attached to the optical probe head and the enclosure having the illuminating device and surrounding the front optic is attached to the optical probe head so as to be radially yieldable. In the case of a collision, only the enclosure having the illuminating optics is therefore deflected; whereas, the imaging optics remains undisturbed. In this way, a follow-up calibration of the probe head after a collision is no longer required.

REFERENCES:
patent: 3704373 (1972-11-01), Bardwell et al.
patent: 4270275 (1981-06-01), McMurtry
patent: 4963728 (1990-10-01), Hof et al.
patent: 5134280 (1992-07-01), Johnston et al.

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