Patents Represented by Attorney, Agent or Law Firm Dale B. Halling
  • Automatic gain control of transponded supervisory audio tone
    Patent number: 5410741
    Abstract: The process of the present invention encompasses a method for automatically controlling the gain of a transponded modulation signal. The process receives a demodulated signal, detects whether SAT is present, and transmits the SAT. Before transmission, the transmitted SAT is adjusted for the gain of the modulator and for the gain of the receiver.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: April 25, 1995
    Assignee: Motorola Inc.
    Inventors: Stephen V. Cahill, Edward M. Roney, IV
  • Data communication system with automatic power control
    Patent number: 5392023
    Abstract: A communication system comprised of a transceiver (101) for transmitting and receiving data signals and a modulation/demodulation apparatus (102) to modulate the data signals from an accessory (109) for transmission and demodulate data signals after reception by the transceiver (101). A processing device (103) controls power to the various components of the communication system.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: February 21, 1995
    Assignee: Motorola, Inc.
    Inventors: Robert F. D'Avello, Manohar A. Joglekar
  • Microphone housing
    Patent number: D352946
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: November 29, 1994
    Assignee: Motorola, Inc.
    Inventors: Phillip R. Nensel, Bruce D. Hillier, Kyu D. Kim
  • Mobile radiotelephone handset
    Patent number: D354062
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: January 3, 1995
    Assignee: Motorola, Inc.
    Inventor: Daniel L. Williams
  • Telephone handset housing
    Patent number: D357681
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: April 25, 1995
    Assignee: Motorola Inc.
    Inventor: Phillip E. Lindeman