Communication terminal apparatus
AssigneeCanon Kabushiki Kaisha
InventorHITOSHI YASUDA
Life of this patent
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Abstract
There is provided a communication terminal, capable of displaying the image data of an arbitrary location, or those of arbitrary multiple locations in collective manner, on the display device, in the multi-location communication, and also capable of displaying the state of connection of the communication terminals. Also provided is a communication terminal capable of preventing the confusion in communication, resulting from an erroneous line disconnection in the multi-location communication.
Claims18
A communication terminal apparatus for communication among multiple locations with display of image data on display means, comprising:
- input means for entering information for designating image data of an arbitrary location, among the image data of said multiple locations;
- and
- control means for effecting control so as to display, on said display means, the image data of a location corresponding to the information entered by said input means.
A communication terminal apparatus comprising:
- connection discriminating means for discriminating the relationship of connection of communication terminals;
- and
- display means for effecting display based on said relationship of connection.
A communication terminal apparatus adapted to be connected to other plural communication terminal apparatus through plural channels, comprising:
- discrimination means for discriminating the positional relationship of other communication terminal apparatus in connection;
- and
- display means for displaying said relationship of connection, based on the result of discrimination by said discrimination means.
A communication terminal apparatus comprising:
- signal input means for entering a withdrawal instruction signal for instructing withdrawal from the multi-location communication, and a line disconnection signal;
- control means for instructing line disconnection in response to the line disconnection signal and the withdrawal instruction signal from said signal input means;
- and
- line disconnecting means for effecting line disconnection in response to the instruction from said control means.
Dependencies are inferred from the claim text.