Time division multiple access radio transmission activated recei

Details Time division multiple access radio transmission activated recei Time division multiple access radio transmission activated recei

1994-12-12

1996-08-27

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

455133, H04J 302, H04B 7212

Patent

active

055508324

ABSTRACT:
A method and apparatus for receiving square root cosine pulse uplink transmissions from a transmitting Time Division Multiple Access radiotelephone to activate a switch. Upon initial activation of the switch the apparatus will operate in a dual mode method, that method being from either a TDMA or Analog transmission signal. The apparatus utilizes receivers tuned to decode transmitted time slot frequencies of a TDMA radiotelephone and an analog signal rectifier receiver for analog radiotelephone transmissions to activate a means of audible, visual, mechanical and other notification methods.

REFERENCES:
patent: 4027249 (1977-05-01), Calman
patent: 4914714 (1990-04-01), Tamura
patent: 4993061 (1991-02-01), Hsieh
patent: 5111454 (1992-05-01), Hung et al.
patent: 5187809 (1993-02-01), Rich et al.
patent: 5239697 (1993-08-01), Kosuga
patent: 5257401 (1993-10-01), Dahlin et al.

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