Coding system for simultaneously signaling selected ones of a pl

Details Coding system for simultaneously signaling selected ones of a pl Coding system for simultaneously signaling selected ones of a pl

1978-09-25

1981-08-18

Groody, James J.

Communications: electrical

Audible indication

Percussion-type sound producer

340168R, 455 38, G08C 900, H04Q 516

Patent

active

042849799

ABSTRACT:
A method of coding to provide command signals simultaneously to selected devices is disclosed. Each device is assigned a different power of the same integer. Commands are then signaled to the desired devices by sending a series of pulses, the total of which is the sum of the integer raised to the power of each the devices to be commanded. Thus if devices having powers of 0 and 3 are to be commanded, and the integer is 2, 9 pulses would be sent. (2.degree.=1, 2.sup.3 =8, 1+8=9). Each different total will signal a unique device or a unique combination of devices.

REFERENCES:
patent: 4085403 (1978-04-01), Meier et al.

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