Patents by Inventor Tu Tian Tian

Tu Tian Tian 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).

  • Apparatus for controlling operation of a recording device with a telephone instrument
    Patent number: 7190769
    Abstract: An apparatus for controlling operation of a recording device with a telephone configured for orientation in a first state and a second state includes: (a) an information conveying section for conveying information from the telephone to a recording locus in the recording device; (b) an indicating section for receiving a monitor signal having a first value when the telephone is in the first state and having a second value when the telephone is in the second state; the indicating section employs a single fixed bias to generate a first indicating signal when the telephone is in the first state and to generate a second indicating signal when the telephone is in the second state; and (c) an engaging section; the engaging section responds to the first and second indicating signals to orient the recording device for recording the information or for not recording.
    Type: Grant
    Filed: June 7, 2003
    Date of Patent: March 13, 2007
    Assignee: Radioshack Corporation
    Inventors: Ko Chuk, Tu Tian Tian
  • Apparatus for controlling operation of a recording device with a telephone instrument
    Publication number: 20040247087
    Abstract: An apparatus for controlling operation of a recording device with a telephone configured for orientation in a first state and a second state includes: (a) an information conveying section for conveying information from the telephone to a recording locus in the recording device; (b) an indicating section for receiving a monitor signal having a first value when the telephone is in the first state and having a second value when the telephone is in the second state; the indicating section employs a single fixed bias to generate a first indicating signal when the telephone is in the first state and to generate a second indicating signal when the telephone is in the second state; and (c) an engaging section; the engaging section responds to the first and second indicating signals to orient the recording device for recording the information or for not recording.
    Type: Application
    Filed: June 7, 2003
    Publication date: December 9, 2004
    Inventors: Ko Chuk, Tu Tian Tian