Information processing system connected by radio communication

Details Information processing system connected by radio communication Information processing system connected by radio communication

1995-06-07

1997-02-25

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082576, 34082571, H04Q 100

Patent

active

056063148

ABSTRACT:
To control an information processing system in which a host unit is connected by radio communication to a slave unit, the host unit transmits data and carrier waves both containing ID information selecting a specific information process, and the slave unit recognizes the ID information, thus performing its operation accordingly. A difference in frequencies of the carrier waves is regarded as a type of ID information. The slave unit identifies a frequency, receives data corresponding to the frequency, and performs the specific information process on the basis of the data received at this frequency. The information processing system, especially that composed of a slave unit and host units, thus constructed and controlled is capable of operating efficiently, without wasting electricity.

REFERENCES:
patent: 4122299 (1978-10-01), Cannon
patent: 4313227 (1982-01-01), Eder
patent: 4539437 (1985-09-01), Giacopelli

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