Patents by Inventor Irynej Danylchuk

Irynej Danylchuk 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).

  • Magnetic bubble signal generator
    Patent number: 4010454
    Abstract: A magnetic memory including a number of magnetic bubble recirculating loops and a common channel controls the frequency of signals generated by flip-flops connected to a bubble detector in the common channel. A choice of two-out-of-seven loops for bubble storage permits the control of the flip-flops in a manner to provide a multi-frequency output useful for TOUCH-TONE telephone dialing operation.
    Type: Grant
    Filed: May 30, 1974
    Date of Patent: March 1, 1977
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Andrew Henry Bobeck, Irynej Danylchuk