Patents by Inventor Martin Cryan

Martin Cryan 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).

  • Wireless/Optical Transceiver Devices
    Publication number: 20080031628
    Abstract: An optical/wireless transceiver device is operable to convert an input optical signal to an outgoing radio frequency signal, and to convert an incoming radio frequency signal to an output optical signal.
    Type: Application
    Filed: April 28, 2005
    Publication date: February 7, 2008
    Inventors: Milan Dragas, Martin Cryan
  • Attenuator switchably coupled to transmission path and means for switchably breaking the path
    Patent number: 5061909
    Abstract: An attenuator incorporates a matched circuit which directs a portion of the input power to a power detector (25). In response to the power level reaching a threshold value an actutor breaks the circuit through the attenuator to provide reverse power protection.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: October 29, 1991
    Assignee: Marconi Instruments Limited
    Inventors: George Hjipieris, Paul Bunyan, Martin Cryan