Sewing machine with memory input reconfiguration based on type o

Boots – shoes – and leggings

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364200, 371 21, 112277, D05B 1900

Patent

active

046302123

ABSTRACT:
An apparatus for controlling a sewing machine includes a control circuit having connector lines for reading data from a semiconductor memory device and a switching circuit for automatically switching the connector lines dependent on the type of the semiconductor memory device employed by reading a keyword stored at a head address in the semiconductor memory device. The control apparatus can use any type of semiconductor memory device available at the present time and in the future. The switching circuit includes a logic circuit which can be implemented by a simple gating circuit.

REFERENCES:
patent: 4003032 (1977-01-01), Austin et al.
patent: 4095265 (1978-06-01), Urba
patent: 4281392 (1981-07-01), Grants et al.
patent: 4488300 (1984-12-01), Horey et al.
patent: 4545010 (1983-03-01), Salas

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