The dolls were programmed to signal their 'awareness' of each other with a short phrase, e.g. A more remarkable effect occurred when one doll detected the presence of another through its 49 MHz AM transmitter/receiver. A special plastic 'drinking' cup containing a hidden magnet, which could be identified with the aid a small reed relay in the built into the head of the toy above the mouth, to signify when it should be seen to be 'drinking'. It also had a movement detector to show the positioning of the doll and whether it was sensed to be on its belly, back, or even upside down. For example, the doll might say 'hold my hand' and give an appropriate speech response when the touch sensor in either hand detected pressure. Touch sensors in the hands enabled the toy to detect when and how it was being played with in response to its vocalizations. An extension to the line was the 'Talking Cabbage Patch Kid' introduced by Coleco, equipped with a voice chip, touch sensors, a microphone, short range 49 MHz AM transmitter and receiver for communicating with other such dolls.
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