Device for switching on and off at least one functional unit of

Details Device for switching on and off at least one functional unit of Device for switching on and off at least one functional unit of

1990-03-26

1992-04-28

Schroeder, Werner H.

Textiles: knitting

Independent-needle machines

Circular

66232, D04B 3500

Patent

active

051076896

ABSTRACT:
The switching device is designed for switching on or off an electrical switching element assigned control to at least one functional unit of a knitting machine, including a timing generator and a pattern controlling device delivering binary control signals used for the selection or the non-selection of knitting needles according to a desired pattern. The switching device includes an electrical switching circuit having a first input connected to a pattern controlling device and an output connected to the electrical switching member, and further includes a device which, at the output, produces a switching, on or off signal when the input receives a predetermined sequence of the binary control signals of the same binary value, or when, after the predetermined sequence, there occurs a control signal of the other binary value or when this other conrol signal of the other binary value occurs after a predetermined time delay.

REFERENCES:
patent: 3821526 (1974-06-01), Anderson
patent: 3940954 (1976-03-01), Romoli
patent: 3945224 (1976-03-01), Billi
patent: 4036034 (1977-07-01), Aisaka et al.
patent: 4408118 (1983-10-01), Grozinger
patent: 4607507 (1986-08-01), Jacobsson
patent: 4628710 (1986-12-01), Jacobsson
patent: 4713655 (1987-12-01), Sommer et al.
patent: 4763492 (1988-08-01), Tibbals, Jr.
patent: 4841748 (1989-06-01), Watanabe et al.

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