Instrument for keeping the distance constant between a tool and

Details Instrument for keeping the distance constant between a tool and Instrument for keeping the distance constant between a tool and

1981-07-15

1984-07-31

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

21912402, 266 76, G05B 106

Patent

active

044632983

ABSTRACT:
An instrument for maintaining a constant distance between a tool, such as a cutting torch, and a workpiece includes a sensing electrode connected to two different phase control system-building blocks one of which functions as an oscillator having its output connected to the input of the other phase control system-building block.

REFERENCES:
patent: 3970911 (1976-07-01), Schmall
patent: 4263546 (1981-04-01), Morris
patent: 4298784 (1981-11-01), Schaall
patent: 4300226 (1981-11-01), Barnette

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