Passive programmable transductor for dynamic coding

Details Passive programmable transductor for dynamic coding Passive programmable transductor for dynamic coding

1981-11-25

1984-07-10

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

365192, H04Q 900, G06K 701

Patent

active

044595905

ABSTRACT:
A device for recording a variable information in a programmable hub, for storing it and for restoring it without contact or electrical connection and without electric supply between the hub and information generator or the information readers. The generator or the readers comprise an oscillator or a power coil which supply the programmable hub with energy. The programmable hub restores the information by actuating an active loop which operates on a signal oscillator or on the readers. The invention is particularly applicable to dynamic coding.

REFERENCES:
patent: 3448440 (1969-06-01), Wiegand
patent: 3641316 (1972-02-01), Dethloff
patent: 4223830 (1980-09-01), Walton
patent: 4270187 (1981-05-01), Buttemer

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