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Slave communication apparatus used in radio lan system, control method of slave communication apparatus, and control program

  • US 20040014464A1
  • Filed: 12/04/2002
  • Published: 01/22/2004
  • Est. Priority Date: 04/27/2001
  • Status: Abandoned Application
First Claim
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1. A slave communication device for use in a wireless LAN system comprising electronic apparatuses in a network, each of the electronic apparatuses comprising, at least, short-range wireless communication means for performing transmission and reception of a radio signal among the respective electronic apparatuses in said network, transmission/reception means of a radio signal for performing communication using a wireless telephone line, and control means for controlling said short-range wireless communication means and said transmission/reception means, one of the respective electronic apparatuses serving as a master communication device and controlling the other respective electronic apparatuses as slave communication devices to share said wireless telephone line among the respective electronic apparatuses, characterized in that, to switch between a first state in normal times in which the transmission/reception means of said master communication device is turned on and the transmission/reception means of the respective slave communication devices are turned off and a second state at the time of control delegation in which said transmission/reception means of said master communication device is turned off and only the transmission/reception means of any one of the slave communication devices which is a subject of control delegation is turned on, said control means normally turns off said transmission/reception means to be in an output prohibited state in which output of a radio signal is prohibited, and turns on said transmission/reception means to enter an output permitted state in which a radio signal is output using said wireless telephone line when said short-range wireless communication means receives a control delegation signal transmitted from said master communication device destined for itself in association with occurrence of a reason of control delegation, and controls said transmission/reception means to again turn off said transmission/reception means to return to said output prohibited state when a control delegation completion reason occurs in said output permitted state.

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