H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/6
H04M 1/274 (2006.01) H04M 1/2745 (2006.01) H04N 1/32 (2006.01)
Patent
CA 1320771
ABSTRACT OF THE DISCLOSURE Communication apparatuses which utilize telephone lines and which have a function called repertory dialing are disclosed. In the repertory dialing mode, pairs of a destination telephone number and a number corresponding thereto, e.g. of two digits called a compressed dial number, are stored in a memory provided in the telephone set or the like. The telephone calling operation is performed by entering only the compressed dial number corresponding to a desired destination telephone number. According to the invention, a communication apparatus activates or deactivates the compressed dial number mode by detecting the on-hook or off-hook state of the handset by means of a hook state detector. When the handset is in the on-hook state, the compressed dial number mode is selected. By operating the dial number keys to enter a compressed dial number in this state, a corresponding destination telephone number is read out of the memory and the calling operation is performed. Thus the telephone number entering operation is simplified to enable an accurate and quick input operation.
611650
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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