Patents by Inventor Mark Medlicott

Mark Medlicott 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).

  • Device for remote power feeding a terminal in a telecommunication network, and a concentrator and a repreater including the device
    Patent number: 6973394
    Abstract: A first resistor is connected in parallel with a second resistor having a lower resistance than the first resistor. The voltage at the terminal of the first resistor is compared with a first threshold voltage, and the voltage at the terminals of the second resistor is compared with a second threshold voltage. A switching device either connects the first resistor in series in a remote power feed circuit, if the switching device detects that the remote power feed current is less than a third threshold current that is between the first and second threshold currents, or connects the second resistor and the first resistor, connected in parallel, in series in the remote power feed circuit if the switching device detects that the remote power feed current is greater than the third threshold current.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: December 6, 2005
    Assignee: Alcatel
    Inventors: Rémy Jaeger, Mark Medlicott, Gérard Vergnaud, Vincent Guntz
  • Device for remote power feeding a terninal in a telecommunication network, and a concentrator and a repreater including the device
    Publication number: 20020091951
    Abstract: A remote power feed device for supplying a remote power feed to a terminal in a telecommunication network includes a first resistor and a second resistor in parallel with the first resistor and having a lower resistance than the first resistor. It compares the voltage at the terminal of the first resistor with a first threshold voltage and the voltage at the terminals of the second resistor with a second threshold voltage. It further includes a switching device for either connecting the first resistor in series in the remote power feed circuit if the switching device detects that the remote power feed current is less than a third threshold current that is between the first and second threshold currents or connecting the second resistor and the first resistor connected in parallel in series in the remote power feed circuit if the switching device detects that the remote power feed current is greater than the third threshold current. Applications include repeaters and concentrators for local area networks.
    Type: Application
    Filed: December 28, 2001
    Publication date: July 11, 2002
    Applicant: ALCATEL
    Inventors: Remy Jaeger, Mark Medlicott, Gerard Vergnaud, Vincent Guntz
  • Dual-mode synchronization device, in particular for frame clock phase recovery in a half-duplex transmission system
    Patent number: 5151927
    Abstract: A dual-mode synchronization device is designed in particular to recover the phase of the frame clock in a half-duplex transmission system. It is included in a receiver in a half-duplex digital transmission system in which a receiver receives frames only at regular intervals. The device comprises an energy sensing phase locking first system and a phase recovery second system which senses a reference pattern. A selector system selects one of the phase difference indications supplied by the first and second systems, under the control of a respective binary indication of loss or acquisition of synchronization. A particular application of the invention is to half-duplex transmission using the WAL2 code.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: September 29, 1992
    Assignee: Alcatel Business Systems
    Inventor: Mark Medlicott