Patents by Inventor Karla Johnson

Karla Johnson 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).

  • Packet control procedure between a host processor and a peripheral unit
    Patent number: 5453982
    Abstract: A method for controlling packet communications between a source and destination causes a source to perform the steps of: transmitting a message to the destination which requests an allocation of a specified number of credits from the destination, a credit manifesting a portion of memory space in the destination that has been set aside to store a received packet; updating a stored credit value at the source upon receipt of a message from the destination which grants at least some of the requested credits; and transmitting a packet or packets from the source to the destination and decrementing the stored credit value for each transmitted packet. The source also includes means for transmitting a packet debit command which returns to the destination credits that are no longer required by the source, thus enabling the destination to reallocate the debited credits to another source which wishes to communicate.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: September 26, 1995
    Assignee: Hewlett-Packard Company
    Inventors: Ricky J. Pennington, Brian D. Batchelder, Erik Kilk, Karla Johnson
  • Tool for undoing braids
    Patent number: D396733
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: August 4, 1998
    Inventor: Karla Johnson