Method for the automatic identification of the type of measuring

Details Method for the automatic identification of the type of measuring Method for the automatic identification of the type of measuring

1987-10-30

1989-03-07

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250227, 455617, G02F 100

Patent

active

048108910

ABSTRACT:
A system for the automatic identification of the type of measuring head (1) of a fiber optic measurement value acquisition and transmission device which exhibits a measurement signal fiber (3) and a control signal fiber (4), in which the measuring head (1) can be remotely operated from a control unit (2) by means of control signals which are transmitted via the control signal fiber and, in particular, can be caused to emit a calibration signal. According to the invention, calibration signals of different frequencies are provided for various types of measuring heads. Using the frequency of the calibration signal, the control device is capable of identifying in each case the measuring head connected to it.

REFERENCES:
patent: 4208579 (1980-07-01), Scrivo et al.
patent: 4326298 (1982-04-01), Fromm et al.
patent: 4596049 (1986-07-01), Rizzotti, III
B. Pressley, "Recent Fiber Optic Data Link Developments", 1986, Nuclear Electromagnetic Pulse Meeting, University of New Mexico.

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