Interface circuit for a meter reading device

Details Interface circuit for a meter reading device Interface circuit for a meter reading device

1980-03-28

1984-01-24

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347CC, 340347M, 235101, H03K 1302

Patent

active

044279698

ABSTRACT:
An encoder is provided for a postage meter having a lever which is movable between postage value selecting positions. The encoder monitors movement of the meter setting lever by providing an electrical signal which varies in response to movement of the meter setting lever from one of the positions to another of the positions. Calibration can be performed so that the electrical signal indicative of the meter setting lever positions is truly representative of the positions.

REFERENCES:
patent: 3746843 (1973-07-01), Wesner
patent: 4050062 (1977-09-01), Crocker et al.
patent: 4286144 (1981-08-01), Pollak, Jr. et al.
The Engineering Staff of Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. I-26 to 33; I-40 to 47; II-1 to 12.
Schmid, Electronic Analog/Digital Conversions, Van Nostrand Reinhold Co., 1970, pp. 396-407.
RCA Solid State Division, CA3162E A/D Converter for 3-Digit Display, Data Sheets, 4/1979, pp. 1-8.

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