Telecommunications – Transmitter – Measuring – testing – or monitoring of transmitter
Patent
1996-06-28
1998-12-15
Le, Tranh Cong
Telecommunications
Transmitter
Measuring, testing, or monitoring of transmitter
455119, H04R 1700
Patent
active
058505970
ABSTRACT:
An RF module for a radio control transmitter capable of detecting detaching of the RF module from a transmitter body while keeping the transmitter body turned on. The RF module includes a monitor circuit, which judges whether or not a modulation signal is outputted from the transmitter body within 1 second after the RF module is turned on and further judges, when it is judged that the modulation signal has been fed within 1 second, whether the modulation signal is a PCM signal or a PPM signal. When it is a PCM signal, an RV output is rendered "on"; whereas when it is a PPM signal, the RF output is rendered "off".
REFERENCES:
patent: 5287553 (1994-02-01), Korycan
Inokoshi Satoshi
Tanaka Masahiro
Futaba Denshi Kogyo K.K.
Le Tranh Cong
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