Title:
COMMUNICATION APPARATUS, CONTROL UNIT OF ELECTRIC APPLIANCE, AND ELECTRIC APPLIANCE
Document Type and Number:
Japanese Patent JP3880951
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a communication apparatus, a control unit for an electric appliance, and an electric appliance which establish communication between the communication apparatus and the electric appliance at a high speed and, when a communication speed between the communication system and the electric appliance is unknown, establish the communication at a supplied communication speed between the two.
SOLUTION: A communication control unit 3 transmits a confirmation message constituted by a specified bit stream to a home electric appliance control unit 2 at an acquired communication rate value, and enters a reception waiting state of a reply message from the home electric appliance control unit 2 for a specified period of time. When a bit stream to indicate the reply message is received within the specified period of time, the communication control unit 3 sets a value of a flag stored in a control information storage part 4 to "1" and establishes that the value of the communication rate at which the confirmation message has been sent is valid.
Inventors:
Shuichi Kuma
Application Number:
JP2003188688A
Publication Date:
February 14, 2007
Filing Date:
June 30, 2003
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H04L12/28; H04L29/08; (IPC1-7): H04L29/08; H04L12/28
Domestic Patent References:
| JP2000354053A | ||||
| JP5101007A | ||||
| JP2003174486A | ||||
| JP2001069506A |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Nakamura Tomoyuki
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
Iwa Saki Kokuni
Kawamata Sumio
Nakamura Tomoyuki
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu