Radio control transmitter and receiver
DCFirst Claim
1. A radio control receiver for receiving, on one of a plurality of radio channels, receiver identifying code and control data in a periodically repeated time frame for operating a plurality of devices in a model in accordance with respective control data on each of a plurality of device channels included within said one radio channel, the receiver having data storage containing a code unique to the receiver, a tuner arranged to scan a plurality of radio channels, and a processor for processing receiver identifying code received on a scanned radio channel with the unique code to determine whether transmissions on the scanned radio channel are intended for the receiver, and said tuner being responsive to an output from the processor indicating either that transmissions on the scanned radio channel are intended for the receiver, for thus causing the tuner to lock onto said scanned radio channel, or that the transmissions on said scanned channel are not intended for the receiver, for thus causing the tuner to tune to another of the plurality of radio channels.
1 Assignment
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Accused Products
Abstract
Radio control is used for different types of models, e.g. aircraft, cars and boats. Commonly, a number of different radio channels are allocated in a frequency band for use in radio control. If a modeller finds her or his intended channel in use, s/he can either wait until it becomes free, or retune the transmitter and receiver to a channel which is not in use. This can involve changing two crystals, one of which, in the receiver, may involve partly disassembling the model. A radio control receiver is disclosed having data storage containing code unique to the receiver. The receiver has a tuner arranged to scan a plurality of radio channels. A processor is arranged to process receiver identifying code received on a channel, with the unique code to determine whether transmissions on the channel are intended for the receiver. The tuner is responsive to an output from the processor indicating that transmissions on the channel are intended for the receiver, to lock onto that channel, and to the output from the tuner indicating that the transmissions on that channel are not intended for the receiver, to tune to another of the plurality of radio channels. Having ascertained that a channel is free, the modeller tunes her or his transmitter, switches that on and switches on the receiver. The latter identifies the channel and locks on to it.
18 Citations
15 Claims
- 1. A radio control receiver for receiving, on one of a plurality of radio channels, receiver identifying code and control data in a periodically repeated time frame for operating a plurality of devices in a model in accordance with respective control data on each of a plurality of device channels included within said one radio channel, the receiver having data storage containing a code unique to the receiver, a tuner arranged to scan a plurality of radio channels, and a processor for processing receiver identifying code received on a scanned radio channel with the unique code to determine whether transmissions on the scanned radio channel are intended for the receiver, and said tuner being responsive to an output from the processor indicating either that transmissions on the scanned radio channel are intended for the receiver, for thus causing the tuner to lock onto said scanned radio channel, or that the transmissions on said scanned channel are not intended for the receiver, for thus causing the tuner to tune to another of the plurality of radio channels.
Specification