Direction sensitive opto-electronic pulse initiator for electric

Details Direction sensitive opto-electronic pulse initiator for electric Direction sensitive opto-electronic pulse initiator for electric

1976-02-18

1977-07-05

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Combined

250233, 324 97, 324137, 340206, G01R 1136, G01R 1338, G01D 536, G08C 1916

Patent

active

040342921

ABSTRACT:
An opto-electronic pulse initiator for producing meter data pulses from a meter having a rotating movement. A directionally oriented pattern containing at least two reflective surfaces is driven by the meter movement to sequentially activate first and second optical sensors. The sensors are activated in opposite sequences in response to opposite rotations of the meter movement. A solid state pulse initiating circuit is utilized and includes low power digital integrated circuit elements, including a clocked bistable logic circuit. The optical sensors are connected to the inputs of the bistable logic circuit to produce predetermined mutually opposite binary logic states at the outputs of the bistable circuit, with the logic states corresponding to a given direction of meter movement. Data pulse output channels are controlled by the bistable logic circuit to selectively produce meter data pulses for a predetermined direction of rotation of the meter movement.

REFERENCES:
patent: 3127594 (1964-03-01), Roe et al.
patent: 3311824 (1967-03-01), Pitt
patent: 3399347 (1968-08-01), Martens
patent: 3733493 (1973-05-01), McClelland
patent: 3878391 (1975-04-01), McClelland et al.
patent: 3943498 (1976-03-01), McClelland et al.

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