Circuit arrangement for checking the position of electrodes

Details Circuit arrangement for checking the position of electrodes Circuit arrangement for checking the position of electrodes

1984-07-20

1986-09-23

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

128908, 340653, G08B 2100

Patent

active

046138501

ABSTRACT:
A circuit arrangement adapted for checking the position of electrodes on an object includes a treatment generator for periodically supplying treatment energy and a test impulse independent of the treatment energy to the electrodes. A transfer impedance of a certain magnitude exists between the electrodes; a voltage is developed across, and a current flows through the transfer impedance as a result of the test impulse. An evaluator evaluates the magnitude of the transfer impedance, and includes a test circuit connected to the electrodes for accepting the voltage and/or the current developed across, and flowing through the transfer impedance, respectively, and a warning signal emits a warning signal upon the magnitude of the transfer impedance exceeding or dropping below respective predetermined limit values.

REFERENCES:
patent: 4088141 (1978-05-01), Niemi
patent: 4177819 (1979-12-01), Kofsky et al.
patent: 4303073 (1981-12-01), Archibald
patent: 4504882 (1985-03-01), Breton

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