Optical stitch regulator system

Details Optical stitch regulator system Optical stitch regulator system

2005-11-01

2005-11-01

Calvert, John J. (Department: 3765)

Sewing

Elements

Starting or stopping

C112S475020

Reexamination Certificate

active

06959657

ABSTRACT:
An optical stitch regulator system for efficiently regulating the stitch length and stitch frequency of a sewing machine. The optical stitch regulator system includes at least one optical sensor within or external of the sewing platform of a sewing machine for sensing the motion of the fabric being sewn. The motion data is communicated to a control unit which communicates with the sewing machine for controlling the stitch length and frequency.

REFERENCES:
patent: 5215020 (1993-06-01), Pordzik
patent: 5553562 (1996-09-01), Jacobs, Jr.
patent: 5908004 (1999-06-01), Porter et al.
patent: 6501460 (2002-12-01), Paik et al.
patent: 2005/0016428 (2005-01-01), Koerner

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