Patents by Inventor Alisa C. Chan

Alisa C. Chan 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: 5384825
    Abstract: A unique a method for memory dialing for cellular telephones includes storing a recall sequence having a variable number, and replacing the variable number with a directory number in response to a prompt from the telephone when employing memory dialing. In particular, the method comprises the steps of selecting a memory location in a telephone for designating a recall sequence and storing within the memory location the recall sequence including at least one predetermined number which is automatically dialed by the cellular telephone and at least one variable number to be inserted by the user (59); accessing a memory location (60); responding to a prompt from the telephone (64); and replacing the variable number to complete a calling sequence (66). Finally, the present method provides for the transmission of both data and DTMF tones.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: January 24, 1995
    Assignee: Motorola, Inc.
    Inventors: Pamela A. Dillard, Alisa C. Chan, Robert K. Krolopp