Patents by Inventor Chikako Takada

Chikako Takada 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).

  • Portable mobile unit
    Publication number: 20050181838
    Abstract: A portable mobile unit for alerting on incoming of a signal by a ringing sound, comprises: a ringing sound generator for generating the ringing sound in a plurality of patterns; and a controller for controlling operations of the portable mobile unit, wherein the controller select one pattern from the a plurality of patterns based on conditions which are set up in advance, when the signal comes in, so as to control the ringing sound generator to generate the ringing sound for alerting a user of the incoming call, thereby providing the portable mobile unit being superior in the usability, with which various conditions can be grasped by means of change in the ringing sound when the telephone call comes in, while achieving the discrimination of the ringing sound for alerting of the incoming call.
    Type: Application
    Filed: April 1, 2005
    Publication date: August 18, 2005
    Applicant: Hitachi, Ltd
    Inventors: Masayuki Matsuda, Tomohiro Esaki, Kazuyuki Takizawa, Akio Shinagawa, Chikako Takada
  • Portable mobile unit
    Patent number: 6928306
    Abstract: A portable mobile unit for alerting on incoming of a signal by a ringing sound, comprises: a ringing sound generator for generating the ringing sound in a plurality of patterns; and a controller for controlling operations of the portable mobile unit, wherein the controller select one pattern from the a plurality of patterns based on conditions which are set up in advance, when the signal comes in, so as to control the ringing sound generator to generate the ringing sound for alerting a user of the incoming call, thereby providing the portable mobile unit being superior in the usability, with which various conditions can be grasped by means of change in the ringing sound when the telephone call comes in, while achieving the discrimination of the ringing sound for alerting of the incoming call.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: August 9, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Masayuki Matsuda, Tomohiro Esaki, Kazuyuki Takizawa, Akio Shinagawa, Chikako Takada
  • Portable mobile unit
    Publication number: 20010014616
    Abstract: A portable mobile unit for alerting on incoming of a signal by a ringing sound, comprises: a ringing sound generator for generating the ringing sound in a plurality of patterns; and a controller for controlling operations of the portable mobile unit, wherein the controller select one pattern from the a plurality of patterns based on conditions which are set up in advance, when the signal comes in, so as to control the ringing sound generator to generate the ringing sound for alerting a user of the incoming call, thereby providing the portable mobile unit being superior in the usability, with which various conditions can be grasped by means of change in the ringing sound when the telephone call comes in, while achieving the discrimination of the ringing sound for alerting of the incoming call.
    Type: Application
    Filed: January 4, 2001
    Publication date: August 16, 2001
    Inventors: Masayuki Matsuda, Tomohiro Esaki, Kazuyuki Takizawa, Akio Shinagawa, Chikako Takada