Title:
無線同期時刻システム
Document Type and Number:
Japanese Patent JP2005526231
Kind Code:
A
Abstract:
A wireless synchronous time keeping system includes a primary device and a secondary device. The primary device includes a receiving unit to receive a first signal having a time component, a processor coupled to the receiving unit and operable to process the signal to produce a processed time component, an internal clock to store the processed time component and to increment the component thereafter to produce a first internal time, and a transmitting unit to transmit a second signal having the first internal time and an event having an instruction and a time element. The secondary device includes a transceiving unit to receive the second signal and transmit a third signal, an internal clock to store the first internal time and to increment the internal time to produce a second internal time, and an event switch operable to execute the instruction when the second internal time matches the time element.
Inventors:
Picra michael ay
Gornik Robin W
O'Neill Terence Jay
Gornik Robin W
O'Neill Terence Jay
Application Number:
JP2003531621A
Publication Date:
September 02, 2005
Filing Date:
August 08, 2002
Export Citation:
Assignee:
Quartex, Inc.
International Classes:
G04G7/02; G04G3/00; G04G5/00; G04G15/00; (IPC1-7): G04G7/02; G04G5/00
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Toshio Imajo
Takaki Nishijima
Fumiaki Otsuka
Toshio Imajo
Takaki Nishijima