Direct input photoelectric pulse initiator for meter...

Details Direct input photoelectric pulse initiator for meter... Direct input photoelectric pulse initiator for meter...

G - Physics

01

R

340/136.1

G01R 11/36 (2006.01)

Patent

CA 1063205

ABSTRACT OF THE DISCLOSURE A completely solid state photoelectric pulse ini- tiator for electric utility meter telemetry and recording systems includes a low power CMOS digital integrated circuit (I.C.) flip-flop output circuit for directly generating output pulses in response to the rate of rotation of a meter movement. A pulse rate dividing circuit is provided by a presettable divide-by-N CMOS digital I.C. in one preferred form for elec- tronically varying the ratio of the output pulses relative to the input pulses. A simplified data magnetic recording re- ceiver circuit is capable of being supplied recorder drive current directly from the Q and ? logic outputs of the output flip-flop to produce non-return-to-zero (NRZ) data pulse recording.

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