Patents by Inventor Heidi Anne Rajan

Heidi Anne Rajan 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).

  • Cordless telephone arranged for operating with multiple portable units in a frequency hopping system
    Patent number: 5809417
    Abstract: A cordless telephone arranged for operation in a frequency hopping system includes an arrangement which achieves optimum utilization of multiple cordless telephone portable units by permitting these units to access a common base unit and also access each other. The portable units are configured for subsequent operation with the base unit and each other during a registration process by having the base unit select from a plurality of communication channels available in the frequency hopping system a different starting channel for each one of the portable units. The portable units are thereby advantageously selectably addressable by the base unit and by each other. Any one of the registered portable units, for example, is capable of selectively paging and communicating with any other one of the registered portable units over selected ones of the plurality of communication channels.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: September 15, 1998
    Assignee: Lucent Technologies Inc.
    Inventors: William J. Nealon, Heidi Anne Rajan
  • Cordless telephone arranged for operating with multiple portable units in a frequency hopping system
    Patent number: 5758290
    Abstract: A cordless telephone arranged for operation in a frequency hopping system includes an arrangement which achieves optimum utilization of multiple cordless telephone portable units by permitting these units to access a common base unit and also access each other. The portable units are configured for subsequent operation with the base unit and each other during a registration process by having the base unit select from a plurality of communication channels available in the frequency hopping system a different starting channel for each one of the portable units. The portable units are thereby advantageously selectably addressable by the base unit and by each other. Any one of the registered portable units, for example, is capable of selectively paging and communicating with any other one of the registered portable units over selected ones of the plurality of communication channels.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: May 26, 1998
    Assignee: Lucent Technologies Inc.
    Inventors: William J. Nealon, Heidi Anne Rajan
  • Portable telephone handset
    Patent number: D379980
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: June 17, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael John Nuttall, Heidi Anne Rajan, Christopher A. Robinette, John Henry Schaffeld, Chaonong Yoh
  • Telephone set
    Patent number: D380469
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: July 1, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael John Nuttall, Heidi Anne Rajan, Christopher A. Robinette, John Henry Schaffeld, Chaonong Yoh
  • Telephone set
    Patent number: D381331
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: July 22, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael John Nuttall, Heidi Anne Rajan, Christopher A. Robinette, John Henry Schaffeld, Chaonong Yoh
  • Telephone set
    Patent number: D381656
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: July 29, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael John Nuttall, Heidi Anne Rajan, Christopher A. Robinette, John Henry Schaffeld, Chaonong Yoh
  • Cordless telephone base
    Patent number: D381657
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: July 29, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: O'Connell Julien Benjamin, Sharon M. Cairns, Sze Lee Chua, King Hoe Goh, Jui Kun Kuo, Heidi Anne Rajan, Lee Wah Tan, Steven Mitchell Wheatley, Terry A. Whitlock, Michael Philip Zambelli
  • Portable telephone handset
    Patent number: D382555
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: August 19, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael John Nuttall, Heidi Anne Rajan, Christopher A. Robinette, John Henry Schaffeld, Chaonong Yoh