Codable electronic devices

Communications: electrical – Continuously variable indicating – With meter reading

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Details

34082563, 34082564, H04B 700

Patent

active

052277798

ABSTRACT:
Pulses of a carrier signal supplied to an input circuit of a codable electronic device, e.g. a transponder tag, are divided by a chain to provide a logic signal, the value of which depends on the length of the pulse, the logic signal only being entered into a data store upon termination of the pulse. The logic signal is entered by a reset signal from output of the input circuit.

REFERENCES:
patent: 3727142 (1973-04-01), Di Sipio et al.
patent: 4189713 (1980-02-01), Duffy
patent: 4486752 (1984-12-01), Chihak
patent: 4514731 (1985-04-01), Falck et al.

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