Pattern generating system for use in electronic sewing machines

Details Pattern generating system for use in electronic sewing machines Pattern generating system for use in electronic sewing machines

1978-12-11

1980-08-26

Nerbun, Peter P.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

042189829

ABSTRACT:
A pattern generating system for use in electronic sewing machines. Output-oriented data relating to the amount of bight or feed for a stitch pattern and order instruction-oriented data relating to the order in which the output-oriented data is read out are stored in a static memory (ROM) separately in such a manner as to distinguish between the data relating to bight and the data relating to feed. The data relating to the address at which the respective head data on stitch patterns is stored is stored at specified addresses in the static memory addressed by selection instructions corresponding to the stitch patterns given as by a pattern selecting button unit. The static memory is connected to a microcomputer which performs a control operation such that it indexes the static memory, analyzes order instruction-oriented data and updates addresses or gives the output-oriented data to a drive unit which controls the amount and direction of bight and feed. The connection of the static memory to the microcomputer is such that the static memory can be exchanged with another static memory having stored therein data relating to other different stitch patterns.

REFERENCES:
patent: 4051794 (1977-10-01), Herzer et al.
patent: 4086862 (1978-05-01), Makabe et al.
patent: 4122786 (1978-10-01), Tanimoto et al.
patent: 4142473 (1979-03-01), Itoh

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