Patents by Inventor Tsukasa Tsujimura

Tsukasa Tsujimura 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).

  • Voice packet assembling/disassembling apparatus
    Patent number: 5379293
    Abstract: A small and economical voice packet assembling/disassembling (PAD) apparatus, which includes only one packet assembler/disassembler for a plurality of channels. The packet assembler receives coded voice data from a plurality of CODECs provided for each channel, and assembles voice packets by using the coded voice data. The packet disassembler disassembles voice packets to coded voice data and supplies them to a plurality of CODECs provided for each channel.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: January 3, 1995
    Inventors: Shin Kanno, Tsukasa Tsujimura, Masatsugu Yano, Hidenori Aoyagi, Hiroshi Kawawata
  • Voice packet assembling/disassembling apparatus
    Patent number: 5249185
    Abstract: A small and economical voice packet assembling/disassembling (PAD) apparatus, which comprises only one packet assembler/disassembler for a plurality of channels. The packet assembler receives coded voice data from a plurality of CODECs provided for each channel, and assembles voice packets by using the coded voice data. The packet disassembler disassembles voice packets to coded voice data and supplies them to a plurality of CODECs provided for each channel.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: September 28, 1993
    Assignees: Nippon Telephone and Telegraph Corporation, Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shin Kanno, Tsukasa Tsujimura, Masatsugu Yano, Hidenori Aoyagi, Hiroshi Kawawata