Resources Contact Us Home
Electronic pattern control for a sewing machine

Image Number 8 for United States Patent #4141305.

A logic circuit generates in succession the stitch-control data for the successive stitches of a selected stitch pattern. The logic circuit does not store simultaneously all the stitch-control data for all the stitches of all the selectable stitch patterns, in the way done by conventional addressable random-access stitch-pattern memories. Instead, the logic circuit assumes successive states, in response to successive machine-synchronized pulses. In each state it generates, in the sense of bringing into existence for the first time, stitch-control data for the next stitch to be produced, this stitch-control data being derived from data related to a preceding stitch, e.g., the stitch-control data for the preceding stitch. The number of logic elements needed is low compared to that needed for a random-access stitch-pattern memory of the type storing all the stitch-control data for all the stitches of all the selectable patterns.

  Recently Added Patents
Systems, methods, and devices for selling transaction instruments via web-based tool
Method and apparatus for monitoring and/or controlling the curing of cements used in medical procedures
System for determining potential lot consolidation during manufacturing
Second order correction circuit and method for bandgap voltage reference
Antimicrobial polysiloxane materials containing metal species
Systems and methods for generating a hybrid text string from two or more text strings generated by multiple automated speech recognition systems
Dithering method and apparatus
  Randomly Featured Patents
Object-oriented method and system for transferring a file system
High frequency electronic component
Apparatus and method for stabilizing the voltage of an AC generator with variable rotor speed
Fiber optic transceiver module having built-in test capability and associated method
Apparatus for facilitating attachment of a bag to a lawnmower
N-(2,5-Diazolyl)-alkyl-haloacetanilides, compounds and herbicidal compositions
Cable plug for multi-lead cables
Stringed musical instrument
Label or ticket