Patents by Inventor Jacky Suszylo

Jacky Suszylo 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).

  • Keypad caller for a telephone set
    Patent number: 4327255
    Abstract: A keypad caller which can be fitted into a conventional telephone set, includes a two-frequency oscillator (50) which emits two sinusoidal frequencies chosen from eight when a key (1, . . . 0) is depressed thereby selecting the frequency-determining resistors of the oscillator (50) and switching the (V.sup.+,V.sup.-) voltage supply to the oscillator 50 as well as switching a double switch (Q10, Q11) which switches the speech current.Applications: telephone telecommunications.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: April 27, 1982
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventor: Jacky Suszylo