Patents by Inventor Tibor L. Tancs

Tibor L. Tancs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Thread break indicating device for sewing machines using a photo amplifier
    Patent number: 4841890
    Abstract: A sewing machine thread break detector using a photo amplifier in which thread to be monitored is guided relatively to a light beam so that thread movement will vary transmitted light. An electronic circuit signals thread breakage when uniformity of the transmitted light beam indicates thread motion has ceased during sewing machine operation.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: June 27, 1989
    Assignee: SSMC Inc.
    Inventor: Tibor L. Tancs
  • Semi-automatic sewing machine control system
    Patent number: 4555997
    Abstract: A semi-automatic sewing machine control system responsive to successive signals from a sensor, such as a ply edge detector, influences in predetermined sequence a series of selected machine operations. This system accommodates interchangeably any variety of work sizes provided that the same sequence of sewing machine operations is involved.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: December 3, 1985
    Assignee: The Singer Company
    Inventor: Tibor L. Tancs
  • Thread picker circuit for industrial sewing machine
    Patent number: 4403562
    Abstract: An industrial sewing machine system having a thread trimmer is provided with an arrangement which generates a signal when the thread is 180.degree. from the needle. At this time, the thread picker is actuated and during the time required for the picker to be properly positioned, the control circuitry for the system is disabled.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: September 13, 1983
    Assignee: The Singer Company
    Inventor: Tibor L. Tancs