Patents Assigned to Whisper Communications, Inc.
  • Patent number: 6137423
    Abstract: A system for communication between multiple remote meter interfaces (RMI)s and a central office. The system includes multiple RMIs for reading meters and transmitting wireless data signals including meter readout information; multiple base repeater stations for receiving the wireless data signals where each particular base repeater station recognizes the wireless data signal only from particular RMIs that have been identified to the base repeater station, concentrates the information from the identified RMIS, and passes the concentrated information through a master base station and a wide area network (WAN) to a central office. The base repeater station includes a receiver for receiving the wireless data signal, a transmitter for passing concentrated information to the master station, and a microcontroller including an identification (ID) list including the IDs of the RMIs with which the base repeater station is enabled to communicate.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: October 24, 2000
    Assignee: Whisper Communications, Inc.
    Inventors: Charles A. Glorioso, Ali R. Naddaf, Robert M. Russ, Jr., William W. Bassett
  • Patent number: 5909640
    Abstract: A wireless communication system with one or more remote transceivers for transmitting a wireless data signal at an actual frequency that is different than the expected frequency and a base transceiver that can automatically adjust to receive the actual frequency. Each remote transceiver is adapted to initiate a wireless data signal at a selected time that is unique to that remote transceiver. The expected frequency is sequentially pre-determined in a pseudo-random sequence with each remote transceiver having a unique sequence. The base transceiver can respond to the remote transceiver at the actual frequency. Both the remote transceiver and the base transceiver can convert the wireless signals in a single step to baseband.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: June 1, 1999
    Assignee: Whisper Communications, Inc.
    Inventors: Leland M. Farrer, Joseph S. Chan, Robert F. Garry, Jr., Charles A. Glorioso, Norman F. Krasner