Communication apparatus

Details Communication apparatus Communication apparatus

2006-05-09

2006-05-09

Nguyen, Lee (Department: 2682)

Telecommunications

Having single-channel telephone carrier

Including call signaling

C455S067110, C455S575100

Reexamination Certificate

active

07043224

ABSTRACT:
An apparatus for communicating with one or more individuals, especially children, is disclosed. The apparatus comprises a transmitter and three receivers, allowing a parent or guardian to transmit radio signals to more than one child to give them messages. The transmitter has three-front mounted buttons and a two-position switch, enabling the transmitter to emit radio waves having one of six specific frequencies. Each receiver would be capable of picking up two of the six specific frequencies.

REFERENCES:
patent: 4377726 (1983-03-01), Schiffbauer
patent: 4741020 (1988-04-01), Deal
patent: 5652569 (1997-07-01), Gerstenberger
patent: 6313733 (2001-11-01), Kyte

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