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US 5,517,551 AGranted
Telephone apparatus with dial key display for external line status
AssigneeCanon Kabushiki Kaisha
InventorShunji Arai
Life of this patent
Estimating the term…
Abstract
A telephone apparatus comprises a display unit to display use states of a plurality of external lines; a dial key including a ten-key; and a selector to select either one of the external lines in accordance with the operation of the dial key. LEDs of two colors may be used as a display unit.
Claims34
A radio communication apparatus comprising:
- radio communicating means for communicating a radio signal;
- a plurality of dial keys;
- and
- a plurality of display means, each of which is provided in each of said plurality of dial keys, each of said plurality of display means displays a plurality of states of each of a plurality of external lines on the basis of the radio signal received by said radio communication means, respectively,
- wherein said plurality of display means change display outputs in accordance with a real-time change of the states of the plurality of external lines.
2 more elements
A radio telephone system including exchange means to which a plurality of external lines are connected, comprising:
- radio communication means for communicating a radio signal;
- display means for displaying states of said plurality of external lines on the basis of a radio signal received by said communication means, using characters;
- and
- selecting means for selecting one of said plurality of external lines,
- wherein said exchange means connects one of said external lines in accordance with the selection by said selecting means, and
- said display means changes displayed characters in accordance with a real-time change of the states of said plurality of external lines.
3 more elements
A radio telephone apparatus comprising:
- radio communicating means for transmitting and receiving a radio signal;
- display means for displaying states of a plurality of external lines on the basis of a radio signal received by said radio communicating means, using characters;
- and
- a dial key,
- wherein said radio communicating means transmits the radio signal in order to select one of the plurality of external lines in accordance with the operation of said dial key, and
- said display means changes displayed characters in accordance with a real-time change of the states of the plurality of external lines.
3 more elements
A radio telephone apparatus comprising:
- receiving means for receiving state signals according to a plurality of states of each of a plurality of external lines through a radio line;
- a plurality of dial keys;
- a plurality of display means, each of which is provided in each of said plurality of dial keys, each of said plurality of display means displaying the plurality of states of each of the plurality of external lines, respectively, on the basis of the state signals received by said receiving means;
- and
- transmitting means for transmitting a selection signal to a select one of said plurality of external lines in accordance with the operation of said dial keys through the radio line,
- wherein said plurality of display means change states outputs in accordance with a real-time change of the display of the plurality of external lines.
3 more elements
A radio communication apparatus comprising:
- radio communication means for communicating a radio signal;
- discriminating means for discriminating states of plural communication channels;
- display means for displaying the states of the plural communication channels discriminated by said discriminating means using characters on the basis of the radio signal received by said radio communication means;
- and
- communicating means for communicating via one of the plural communication channels,
- wherein said display means changes displayed characters in accordance with a real-time change of the states of the plural communication channels.
3 more elements
A method for controlling a display on a radio communication apparatus, for displaying states of plural communication channels using characters, comprising the steps of:
- receiving a radio signal;
- discriminating the states of the plural communication channels on the basis of the radio signal;
- and
- changing the characters displayed on the display in accordance with a real-time change in the states of the plural communication channels.
1 more element
Dependencies are inferred from the claim text.