Patents by Inventor Frederic Broyde

Frederic Broyde 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: 7362130
    Abstract: The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit's input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of the source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: April 22, 2008
    Assignee: Rambus Inc.
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Publication number: 20080063404
    Abstract: Transmitting device for free-space optical transmission. The invention relates to a transmitting device for transmission through space, using electromagnetic waves of the infrared and/or visible and/or ultraviolet bands produced by one or several discharge lamps. The device is connected by its input terminals (1) to an a.c. energy distribution system. A mains filter (2) reduces the conducted electromagnetic disturbances produced by the power circuits comprising a rectifier (3), a power-factor-correction circuit (4), a low-voltage power supply (5) and an inverter (8). The inverter (8) is connected to a series inductor (9) connected in series with a hot-cathode fluorescent lamp (10) and a capacitor (12), a parallel capacitor (11) allowing an optimal start of the lamp. A receiving set for transmission via power distribution lines (6) delivers “demodulated signals” applied to the control circuitry (7) which controls the state of the switches of the inverter (8).
    Type: Application
    Filed: September 16, 2005
    Publication date: March 13, 2008
    Applicant: ZXTALK ASSETS L.L.C.
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Publication number: 20070117446
    Abstract: The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit's input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of the source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Application
    Filed: January 23, 2007
    Publication date: May 24, 2007
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Patent number: 7167019
    Abstract: The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit's input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of the source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: January 23, 2007
    Assignee: Rambus Inc.
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Publication number: 20060192429
    Abstract: The invention relates to a method and a device for transmission without crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit(s) input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of an active source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Application
    Filed: February 18, 2004
    Publication date: August 31, 2006
    Applicant: Excem, SAS
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Publication number: 20060171476
    Abstract: The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit(s) input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of the source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Application
    Filed: February 18, 2004
    Publication date: August 3, 2006
    Applicant: Excem, SAS au capital de 96 000 euros, R.C.S.
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Publication number: 20060099926
    Abstract: The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or inside an integrated circuit. An interconnection with four parallel transmission conductors plus a reference conductor has each of its ends connected to a termination circuit. The transmitting circuit receives at its input the signals of the four channels of the source and its output terminals are connected to the conductors of the interconnection. The receiving circuit's input terminals are connected to the conductors of the interconnection, and its four output channels are connected to the destination. The signals of the four channels of the source are sent to the four channels of the destination, without noticeable crosstalk.
    Type: Application
    Filed: December 24, 2003
    Publication date: May 11, 2006
    Applicant: Excem
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Patent number: 5883517
    Abstract: The invention relates to an apparatus for locating faults on subsea telecommunications links by determining the resistance of a conductor of the cable having a fault not being insulated from the sea. The apparatus is provided with two terminals, one for connection to one of the conductors of the subsea link and the other for being connected to the sea or to ground, through which terminals it is capable of delivering or receiving electrical power. The apparatus, on its own or together with another apparatus of the invention, is capable of automatically performing current and voltage measurements and it is capable of processing them automatically while making use of data from one or more databases concerning notably the resistance per unit length of the cable in order to locate the fault.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: March 16, 1999
    Assignee: Excem
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Patent number: 5068616
    Abstract: An emitter assembly of low-power electromagnetic signals with random or pseudo-random frequency variation is located inside an electromagnetic shield to be monitored. These signals are detected by at least one synchronous detection receiver located outside the shield, a second transmission channel, preferably constituted by an optic fiber, connecting the emitter and receiver assemblies to enable synchronous detection of signals transmitted via an electromagnetic channel through the shield. The amplitude of the electromagnetic signals received by the detector is significant of the quality of the shielding.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: November 26, 1991
    Assignee: Merlin Gerin
    Inventors: Frederic Broyde, Michel Barrault
  • Patent number: 4794353
    Abstract: The filter comprises a series branch formed by an inductance coil (L) in parallel with a resistor (R1) and a parallel branch formed by a capacitor (C) in series with a resistor (Rc). For frequencies such that Rc>>1/.omega.C and R1<<.omega.L, the ratio between the output and input powers of the filter has a predetermined maximum value strictly lower than 1 and independent of the load impedance.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: December 27, 1988
    Assignee: Merlin Gerin
    Inventor: Frederic Broyde