Apparatus for controlling passage of material through textile sp

Details Apparatus for controlling passage of material through textile sp Apparatus for controlling passage of material through textile sp

1982-06-10

1985-02-26

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57 86, D01H 1316

Patent

active

045011141

ABSTRACT:
The passage of material through a textile spinning or twisting machine is regulated through operation of a control element associated with the movement of said material. Light reflected from the moving material is converted into a variable electrical signal which is then modulated and used to operate a light-emitter. The modulated output of the light-emitter is sensed by a receiver located remote therefrom, but in direct-line-of sight, into an electrical command signal for operating the control element.

REFERENCES:
patent: 3158852 (1964-11-01), Schachek
patent: 3626680 (1971-12-01), Whitney
patent: 3751896 (1973-08-01), Ford
patent: 3840869 (1974-10-01), Pugh
patent: 4160360 (1979-07-01), Carvalho et al.
patent: 4263776 (1981-04-01), Lane
patent: 4280321 (1981-07-01), Marzoci
patent: 4311916 (1982-01-01), Schenkel
patent: 4330094 (1982-05-01), Mayer

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