Patents by Inventor Thomas C. Sanchez

Thomas C. Sanchez 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).

  • Method of operation a combination radiotelephone and paging device and method of operation
    Patent number: 6009309
    Abstract: A combined radiotelephone and paging device (101), hereinafter the combined unit, normally operates as a radiotelephone. In response to a predetermined condition, the combined unit operates as a paging device. The predetermined conditions include low battery voltage and poor communication channel quality or a request signal from a remote transceiver (109) of the radiotelephone system. The paging system and the radiotelephone system may be independent communication systems or they may be a single communication system. The combined unit (101) and its unique switching characteristics allows the combined unit (101) to utilize the paging devices beneficial qualities of lower power consumption and broader service range to enhance the usefulness of a radiotelephone.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: December 28, 1999
    Assignee: Motorola, Inc.
    Inventors: Tomoyuki Okada, Anthony John Bogusz, Steve G. Friede, Thomas C. Sanchez
  • Method of operating a combination radiotelephone and paging device
    Patent number: 5526398
    Abstract: A combined radiotelephone and paging device (101), hereinafter the combined unit, normally operates as a radiotelephone. In response to a predetermined condition, the combined unit operates as a paging device. The predetermined conditions include low battery voltage and poor communication channel quality or a request signal from a remote transceiver (109) of the radiotelephone system. The paging system and the radiotelephone system may be independent communication systems or they may be a single communication system. The combined unit (101) and its unique switching characteristics allows the combined unit (101) to utilize the paging devices beneficial qualities of lower power consumption and broader service range to enhance the usefulness of a radiotelephone.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: June 11, 1996
    Assignee: Motorola, Inc.
    Inventors: Tomoyuki Okada, Anthony J. Bogusz, Steve G. Friede, Thomas C. Sanchez