Meter register encoder including electronics providing remote reading capability
First Claim
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1. In a remotely readable meter register encoder of the type including a motor and a unitized optics illuminator having a light source for providing light signals through apertured scanning and encoder discs to first and second photo-sensors to effect the generation of synchronized first and second signals representative of timing and data information respectively for use by an external device, the combination comprising:
- (a) connecting means connecting the encoder to said external device for providing timing and data signals thereto and for receiving excitation current from said external device; and
(b) a circuit board mounted on the meter register encoder, said circuit board including,(1) timing and data signal generation circuits connected to said first and second photo-sensors respectively and to said connecting means, said timing and signal generation circuits responsive to the first and second signals respectively from said first and second photo-sensors to provide synchronized timing and data signals to said external device via said connecting means, and(2) means connected to said connecting means, including means for providing excitation current to said timing and data signal generation circuits and to said light source and motor from said external device to effect the reading of the timing and data signals from said timing and data signal generation circuits.
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Abstract
A self-contained meter register optical encoder including electronic signal generation, surge protection and power supply circuitry is remotely readable to supply timing and data signals to an external device when energized from an external power source.
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Citations
8 Claims
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1. In a remotely readable meter register encoder of the type including a motor and a unitized optics illuminator having a light source for providing light signals through apertured scanning and encoder discs to first and second photo-sensors to effect the generation of synchronized first and second signals representative of timing and data information respectively for use by an external device, the combination comprising:
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(a) connecting means connecting the encoder to said external device for providing timing and data signals thereto and for receiving excitation current from said external device; and (b) a circuit board mounted on the meter register encoder, said circuit board including, (1) timing and data signal generation circuits connected to said first and second photo-sensors respectively and to said connecting means, said timing and signal generation circuits responsive to the first and second signals respectively from said first and second photo-sensors to provide synchronized timing and data signals to said external device via said connecting means, and (2) means connected to said connecting means, including means for providing excitation current to said timing and data signal generation circuits and to said light source and motor from said external device to effect the reading of the timing and data signals from said timing and data signal generation circuits. - View Dependent Claims (2, 3, 4, 5)
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6. A self-contained remotely readable meter register encoder for providing timing and data signalsto an external device when provided excitation current from an external source comprising:
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(a) an optics illuminator, including an energizable light source and motor for driving an apertured timing and scanning disc which is in light communication with said optics illuminator to provide synchronized first and second light pulses representative of timing and encoder data to first and second photo-sensors respectively to effect the generation of first and second output signals therefrom; (b) connecting means for providing timing and data signals from the encoder to said external device and for receiving excitation current from said external source; and (c) electronic circuitry contained within the meter register encoder including, (1) first and second pulse generator circuits connected to said first and second photo-sensors respectively and to said connecting means, said first and second pulse generator circuits responsive to the first and second output signals from said first and second photo-sensors to provide synchronized timing and data signals respectively to said external device via said connecting means; and (2) means connected to said connecting means for providing excitation current from said external source to said electronic circuitry and to said light source and said motor to effect the reading of said timing and data signals from the encoder, said means for providing excitation current including voltage protection and regulator means for controlling the magnitude of excitation current and voltage applied to said light source, a regulated power supply for providing bias voltage for said first and second pulse generator circuits and said first and second photo-sensors and means for protecting said motor from over voltage and current. - View Dependent Claims (7, 8)
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Specification