Patents by Inventor John E. Corrigan

John E. Corrigan 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: 5589837
    Abstract: An apparatus for positioning a directional antenna of a remote ground terminal which transmits and receives signals to and from a satellite via the antenna. The apparatus includes a signal generator for producing a frequency variable reference signal having a variable duty cycle, and a controller which operates to analyze the signals received from the satellite and to vary the duty cycle of the reference signal in accordance with an identification tag forming part of the received signals. The apparatus further includes a detector which receives the reference signal and produces an antenna pointing signal having an average amplitude proportional to the duty cycle of the reference signal.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: December 31, 1996
    Assignee: Hughes Electronics
    Inventors: Mohammad Soleimani, John E. Corrigan, III, Mohammad Bukhari, David A. Roos
  • Patent number: 5513183
    Abstract: A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic capacity, not on a conversation basis, but on an information burst basis. In order to avoid compromising the voice transmission capacity, control signals (for the allocation and deallocation of both forward and reverse traffic channels) are sent using multiple diversity, i.e. both time and frequency. In addition, to increase the number of available control channels, a control channel comprises a sub-divided portion of an otherwise equivalent voice traffic slot. For reverse allocation requests, which are transmitted over a contention access channel, power diversity is used in addition to time and frequency diversity.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: April 30, 1996
    Assignee: Hughes Aircraft Company
    Inventors: Stanley E. Kay, John E. Corrigan III, Daniel R. Wendling, Ashok D. Mehta, Michael I. Parr
  • Patent number: 5357513
    Abstract: A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic capacity, not on a conversation basis, but on a speech spurt basis. Accordingly, delays of undetermined duration may occur between subsequent information bursts which correspond to the transmission of speech spurts. An adjustment request regarding the power with which the information bursts are transmitted from a transmitting station to a receiving station is generated by detecting an information burst transmission at the receiving station, measuring the time which elapses following the transmission, and comparing the elapsed time with a predetermined threshold value. If the elapsed time exceeds the threshold, a further transmission is requested from the transmitting station notwithstanding the availability of any information to transmit.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: October 18, 1994
    Assignee: Hughes Aircraft Company
    Inventors: Stanley E. Kay, John E. Corrigan, III, Daniel R. Wendling, Ashok D. Mehta, Michael I. Parr
  • Patent number: 5299198
    Abstract: A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic capacity, not on a conversation basis, but on a speech spurt basis. In order to avoid compromising the voice transmission capacity, control signals (for the allocation and deallocation of both forward and reverse traffic channels) are sent using multiple diversity, i.e. both time and frequency. In addition, to increase the number of available control channels, a control channel comprises a sub-divided portion of an otherwise equivalent voice traffic slot. For reverse allocation requests, which are transmitted over a contention access channel, power diversity is used in addition to time and frequency diversity.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: March 29, 1994
    Assignee: Hughes Aircraft Company
    Inventors: Stanley E. Kay, John E. Corrigan, III, Daniel Wendling, Ashok Mehta, Michael Parr
  • Patent number: 4925097
    Abstract: A misting head assembly including a cylindrical rotor having a chordal flat, a center post having a flow passage, a swivel arm having a tubular portion with a radial through opening mounted for swiveling about the rotor and a connecting portion. The swivel arm connecting portion is adapted for removable mounting of a spray nozzle thereto. The rotor flat defines with the center post housing portion and swivel arm tubular portion a longitudinal flow passage for conducting water from the center post to the swivel arm opening to be sprayed outwardly therefrom through the nozzle when the swivel arm is aligned with the chordal flat of the rotor. In one embodiment, seals are provided for sealingly preventing flow of water from the longitudinal flow passage when the swivel arm is swung from alignment with the chordal flat. An indicium is provided on one end of the rotor for indicating the open position of the nozzle.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: May 15, 1990
    Assignee: Carrot Top, Inc.
    Inventor: John E. Corrigan
  • Patent number: 4882189
    Abstract: A method and apparatus for providing aqueous spray mist onto produce and the like provided in an upwardly opening case space. Water delivery to the nozzles is provided by an upwardly extending supply pipe within the case, eliminating the need for overhead mounting structure. The spray pattern and timed delivery are coordinated to assure proper misting of the produce with minimum adverse effect on customers selecting produce from the case.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: November 21, 1989
    Assignee: Carrot Top Inc.
    Inventor: John E. Corrigan
  • Patent number: 4489413
    Abstract: Apparatus for maintaining a transmit radio signal frequency in a predetermined frequency relationship with a received radio signal. A common voltage controlled frequency source serves as an Lo signal generator for both the receiver and transmitter. A reference frequency oscillator is phase compared with a receive IF signal to derive a control voltage for the voltage controlled frequency source. The resulting phase lock loop provides transmit signal frequency control with respect to a received signal.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: December 18, 1984
    Assignee: M/A-COM DCC, Inc.
    Inventors: Robert L. Richmond, John E. Corrigan, Paul F. Wyar
  • Patent number: 4179900
    Abstract: A system of preserving fresh produce in a refrigerator displayed for observation and selection by the public, such as in a grocery store. Moisture is applied to the articles, in the form of an extremely fine mist, made up of particles in the range of about 75-150 micron diameter, suspended in air, and slowly falling. The moisture applied to the produce articles is only film-thick so as to minimize flow-off from the articles. Producing the mist includes selectively, hydraulic pressure means, or air pressure means. The mist is controlled by automatic on-off control means and is produced by misting nozzles centrally positioned above the shelf means for supporting various produce articles within the refrigerator display means.
    Type: Grant
    Filed: December 13, 1977
    Date of Patent: December 25, 1979
    Inventor: John E. Corrigan
  • Patent number: RE33067
    Abstract: A system of preserving fresh produce in a refrigerator displayed for observation and selection by the public, such as in a grocery store. Moisture is applied to the articles, in the form of an extremely fine mist, made up of particles in the range of about 75-150 micron diameter, suspended in air, and slowly falling. The moisture applied to the produce articles is only film-thick so as to minimize flow-off from the articles. Producing the mist includes selectively, hydraulic pressure means, or air pressure means. The mist is controlled by automatic on-off control means and is produced by misting nozzles centrally positioned above the shelf means for supporting various produce articles within the refrigerator display means.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: September 26, 1989
    Inventor: John E. Corrigan