Multiple frequency message system

Details Multiple frequency message system Multiple frequency message system

H - Electricity

04

B

325/31

H04B 7/24 (2006.01) G08B 3/10 (2006.01) G08B 5/22 (2006.01) H04Q 7/08 (2006.01)

Patent

CA 1230929

ABSTRACT OF THE DISCLOSURE In the preferred embodiment the multiple frequency receiver comprises a comprises a decoder responsive to a transmitted coded message signal having a special code for designating that the message is being sent on the local frequency and which is alos responsive to the absence of the special code which indicates that the signals are being transmitted on a designated nationwide frequency. The decoder includes a microprocessor which generates an out- put to turn on the local frequency channel element so that the pager may receive the local frequency when the special code is detected and generates a second output to turn-on a nationwide frequency element so that the receiver can receive a nationwide frequency channel when the special code is absent. This enables the pager user to transfer from his local city to another city without having to manually adjust the pager.

459983

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