Apparatus for control of storing information into dial...

Details Apparatus for control of storing information into dial... Apparatus for control of storing information into dial...

H - Electricity

04

M

379/27

H04M 1/27 (2006.01) H04M 1/2745 (2006.01) H04M 1/725 (2006.01)

Patent

CA 2021797

A control signal generator is provided to supply a control signal to a control unit of a telephone set having dial memories. Information stored in a memory in the dial memories is forbidden to be erased, unless the control signal is supplied to the control unit. As a result, important information is protected from erroneous erasing in the dial memory.

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