Patents by Inventor Robert F. Schweitzer

Robert F. Schweitzer 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).

  • Patent number: 4090059
    Abstract: A paging system, or the like, having a transmitting station and a plurality of pocket sized subscriber units is disclosed. The transmitting station has a keyboard for encoding alphanumeric characters of a message and a subscriber code, a storage means for a predetermined number of characters of a message, means for converting a binary character code, such as ASCII, to a binary code representative of the character to be displayed in matrix form, and a format circuit for transmitting successive columns of the successive matrix code with blank columns and timing spaces therebetween to facilitate reconstruction of the subscriber code and message. Each of the subscriber units is battery powered and sized to be carried in a pocket of the user's clothing.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: May 16, 1978
    Assignee: Texas Instruments Incorporated
    Inventors: Jack S. Kilby, Robert F. Schweitzer, John McCrady
  • Patent number: 3955354
    Abstract: An electronic timepiece with minimal power requirements, employing a single ring of individual visual display elements selectively actuated to display hours, minutes, and seconds.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: May 11, 1976
    Assignee: Jack S. Kilby
    Inventors: Jack S. Kilby, Robert F. Schweitzer
  • Patent number: 3944724
    Abstract: A paging system, or the like, having a transmitting station and a plurality of pocket sized subscriber units is disclosed. The transmitting station has a keyboard for encoding alphanumeric characters of a message and a subscriber code, a storage means for a predetermined number of characters of a message, means for converting a binary character code, such as ASCII, to a binary code representative of the character to be displayed in matrix form, and a format circuit for transmitting successive columns of the successive matrix code with blank columns and timing spaces therebetween to facilitate reconstruction of the subscriber code and message. Each of the subscriber units is battery powered and sized to be carried in a pocket of the user's clothing.
    Type: Grant
    Filed: May 18, 1972
    Date of Patent: March 16, 1976
    Assignee: Texas Instruments Incorporated
    Inventors: Jack S. Kilby, Robert F. Schweitzer, John McCrady