Wireless transmission/reception system
First Claim
1. A wireless transmission/reception system, comprising:
- a plurality of wireless transmitters for generating an information code series from an input signal, modulating a carrier wave in accordance with said information code series, and transmitting said modulated wave as a wireless transmission signal from a transmission unit; and
a wireless receiver for receiving and demodulating a plurality of wireless transmission signals transmitted from said plurality of wireless transmitters, and extracting said information code series corresponding to each of said wireless transmitters;
whereinsaid wireless receiver includes a control circuit for generating a control signal which assigns a wireless frequency band and a transmission frequency to each of wireless transmission signals, and a transmission processing unit for transmitting said control signal to each of said wireless transmitters; and
each of said plurality of wireless transmitters includes a reception processing unit for executing reception processing of said received control signal, and is configured to be able to change a wireless frequency band and a transmission frequency of a wireless transmission signal to be transmitted in accordance with said received control signal.
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Accused Products
Abstract
A wireless transmission/reception system is provided which can use a limited frequency band most effectively and operates flexibly. A receiver (wireless receiver) has a transmission processing unit for transmitting a control signal, which defines a wireless frequency band and a transmission frequency for each of wireless transmission signals, to a plurality of cameras (wireless transmitter) #C1 to #C5, and the cameras have reception processing units for receiving the controls signal. Each of the cameras can change the frequency band and a center frequency of the wireless transmission signal according to the input control signal. As a result, output channels (Ch1 to Ch5) of the receiver can be changed to a broadband channel or a narrowband channel arbitrarily.
15 Citations
5 Claims
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1. A wireless transmission/reception system, comprising:
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a plurality of wireless transmitters for generating an information code series from an input signal, modulating a carrier wave in accordance with said information code series, and transmitting said modulated wave as a wireless transmission signal from a transmission unit; and a wireless receiver for receiving and demodulating a plurality of wireless transmission signals transmitted from said plurality of wireless transmitters, and extracting said information code series corresponding to each of said wireless transmitters;
whereinsaid wireless receiver includes a control circuit for generating a control signal which assigns a wireless frequency band and a transmission frequency to each of wireless transmission signals, and a transmission processing unit for transmitting said control signal to each of said wireless transmitters; and each of said plurality of wireless transmitters includes a reception processing unit for executing reception processing of said received control signal, and is configured to be able to change a wireless frequency band and a transmission frequency of a wireless transmission signal to be transmitted in accordance with said received control signal. - View Dependent Claims (2, 3, 4, 5)
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Specification