H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/2, 379/97
H04M 1/272 (2006.01) G11B 3/60 (2006.01) G11B 5/00 (2006.01) G11B 17/028 (2006.01) H04M 1/24 (2006.01) H04M 9/00 (2006.01)
Patent
CA 1318731
Abstract of the Disclosure This invention is an electronic key telephone set including light-emitting elements for state indication, an acoustic converting element for converting a voice signal into an acoustic wave, a display unit for displaying characters and the like, operations keys, including pushbuttons, for performing an input opera- tion, and a control unit having an operation check test function for checking functions of the telephone set including telephone set components such as the light- emitting elements, the display unit, and the acoustic converting element, for waiting for a key input after initialization is executed, if predetermined specific keys of the operation keys are operated within a prede- termined time, executing the operation check test func- tion, and if the specific keys are not operated within the predetermined time, activating a function as a nor- mal telephone set. A button operation required for exe- cuting the operation test for functions of the telephone set is accepted for a predetermined limit time such that the button operation need only be performed within the limit time after the telephone set is connected to a switching system. The operation for executing the func- tion operation test can be easily performed.
612758
Kabushiki Kaisha Toshiba
Marks & Clerk
LandOfFree
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