Machine tool probe

Details Machine tool probe Machine tool probe

2005-03-01

2005-03-01

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Gauge

Having a movable contact probe

Reexamination Certificate

active

06860026

ABSTRACT:
A probe for position determining apparatus such as a machine tool transmits optical measurement signals to a receiver module. The probe is battery powered and the battery powers light emitting diodes which transmit the optical measurement signals. The optical measurement signals comprise serially transmitted codewords which are generated by a universal synchronous/asynchronous receiver transmitter (USART). The output of the USART is combined with a pulse width modulator which has an output having the same form as the output of the USART but with reduced duration of each pulse, thus enhancing the life of the battery powering the light emitting diodes. The pulse width modulator may also be used to set the timing of the USART.

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