Patents by Inventor Charles Browder

Charles Browder 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).

  • Publication number: 20070120574
    Abstract: A cable area network (CAN) bus termination (100) is provided by an interface 104 operably coupling a cable detection input pin (3), a switch (120) and a termination resistance (130) to detect the presence and absence of one or more cables (108). The termination resistance (130) is automatically enabled to create terminations at end nodes and is automatically disabled to provide a daisy-chain connection between interim nodes of a multi-cable system.
    Type: Application
    Filed: November 29, 2005
    Publication date: May 31, 2007
    Inventors: Timothy Houston, Charles Browder, Carlos Garrafa
  • Patent number: 6154057
    Abstract: A bi-directional voltage translator (125) has a first port (201) that communicates a signal at a first voltage level, and second port (202) that communicates a signal at a second voltage level different from the first voltage level. A switching circuit, including a bipolar junction transistor (210) and a switch (220), couples both ports (201, 202). The transistor (210) has a collector (211) coupled, via a pull-up circuit (206), to a voltage source corresponding to the first voltage level, and to the first port (201), and an emitter (212) coupled to the second port. The base (213) of the transistor (210) is coupled, via a pull-up circuit (207), to a voltage source corresponding to the second voltage level. Preferably, the switch (220) is Schottky diode or other diode having a forward voltage drop.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: November 28, 2000
    Assignee: Motorola, Inc.
    Inventors: Shuyong Shao, Hung Vuong, Charles Browder, Christine Purcell