Patents by Inventor Raymond Y.L. Chow

Raymond Y.L. Chow 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).

  • Removal and insertion of expansion cards in a computer system
    Patent number: 6101322
    Abstract: A method for powering up a removable circuit card when it is inserted into a card slot of a computer system includes providing power and a clock signal to the circuit card. A communication link is electrically coupled to the circuit card after both the power and the clock signal are provided to the circuit card.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: August 8, 2000
    Assignee: Compaq Computer Corporation
    Inventors: Alan L. Goodrum, Paul R. Culley, Raymond Y. L. Chow, Barry S. Basile, Richard O. Waldorf, Pamela M. Cook, Clarence Y. Mar
  • Using communication cycles for connecting and disconnecting devices in a computer system
    Patent number: 6073196
    Abstract: A computer system has a communication link (e.g., a bus) and a removable circuit card that is inserted into a connector. In association with a change in the electrical state (e.g., one or more signals being disconnected or connected) between the removable circuit card and the connector, at least a portion of a predetermined communication cycle is furnished to the communication link.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: June 6, 2000
    Assignee: Compaq Computer Corporation
    Inventors: Alan L. Goodrum, Raymond Y. L. Chow
  • Expansion card insertion and removal
    Patent number: 5943482
    Abstract: A computer system has a bus, a connector for a circuit card, and a clamp configured to selectively prevent removal of the circuit card from the connector when the clamp is engaged. The computer system has circuitry connected to monitor the engagement status of the clamp and to regulate delivery of power to the connector based on the engagement state of the clamp.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: August 24, 1999
    Assignee: Compaq Computer Corporation
    Inventors: Paul R. Culley, Alan L. Goodrum, Raymond Y.L. Chow, Barry S. Basile