Radio system with cordless remote PTT module
First Claim
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1. A radio system for use by a person having a need to operate different items of equipment, the system comprising:
- a radio adapted to be carried by the aforesaid person;
cordless PTT switch modules attached to respective items of equipment and each having a transmitter which is short range relative to the radio and is designed to transmit a coded signal when operated;
learning means associated with the radio for learning a code of the said coded signal from a PTT switch module attached to any item of equipment currently in use by the said person and thereafter to respond to the coded signal by causing the radio to enter a transmit mode.
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Abstract
A radio system comprises a radio having a transmit mode. A press to talk (PTT) switch is located in a remote module having a transmitter that transmits a signal to a receiver associated with the radio. In response, the receiver opens a communication channel to the radio. The remote module enables the PTT switch to be located at a convenient location to the operator.
61 Citations
17 Claims
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1. A radio system for use by a person having a need to operate different items of equipment, the system comprising:
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a radio adapted to be carried by the aforesaid person; cordless PTT switch modules attached to respective items of equipment and each having a transmitter which is short range relative to the radio and is designed to transmit a coded signal when operated; learning means associated with the radio for learning a code of the said coded signal from a PTT switch module attached to any item of equipment currently in use by the said person and thereafter to respond to the coded signal by causing the radio to enter a transmit mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A radio system comprising:
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a radio having a transmit mode; a cordless remote module in which a press to talk (PTT) switch is housed, the PTT switch being operable for setting the radio to the transmit mode, the remote module including a short range, relative to the radio, transmitter; and
a receiver associated with the radio for receiving a signal from the remote module to set the radio to the transmit mode;learning means associated with the radio for learning the signal from the PTT switch module; and a magnetic switch ranged to enable the learning means when the radio and the remote module are sufficiently close.
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Specification