Data communication method and apparatus having improved control over a detachable terminal device
First Claim
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1. An electronic apparatus comprising:
- optical communication means mounted on an upper surface of the electronic apparatus for emitting and receiving a light signal;
power supplying means for supplying power to the electronic apparatus; and
switch means provided on said upper surface on which said optical communication means is mounted, for switching on said power supplying means to start a supply of power, said switch means switching on said power supplying means in response to a weight of a terminal device when the terminal device is put on said upper surface in order to optically connect said optical communication means with a light emitter/receiver of the terminal device.
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Abstract
In a data communication system between a host apparatus and a portable terminal, there is provided an electronic apparatus for intermediation which is connected to the host apparatus and which can be removably connected to the portable terminal. Power is supplied to the electronic apparatus for intermediation only when the portable terminal is connected. When the portable terminal is connected to the electronic apparatus for intermediation, transmission and reception of data are started between the portable terminal and the host apparatus.
28 Citations
3 Claims
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1. An electronic apparatus comprising:
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optical communication means mounted on an upper surface of the electronic apparatus for emitting and receiving a light signal; power supplying means for supplying power to the electronic apparatus; and switch means provided on said upper surface on which said optical communication means is mounted, for switching on said power supplying means to start a supply of power, said switch means switching on said power supplying means in response to a weight of a terminal device when the terminal device is put on said upper surface in order to optically connect said optical communication means with a light emitter/receiver of the terminal device. - View Dependent Claims (2, 3)
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Specification