System and apparatus for automatic data collection
First Claim
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1. A PULSE FILTER AND PULSE ERROR DETECTOR FOR FILTERING AND DETECTING ERROR IN PULSES OCCURING AT A DATA TERMINAL OF A DATA RECEIVER COMPRISING, IN COMBINATION:
- (A) FILTER MEANS (1) CONNECTED TO THE DATA TERMINAL, AND (2) SAID FILTER MEANS PRODUCING AT LEAST ONE OUTPUT TERMINAL THEREOF A SUBSTANTIALLY SQUARE PULSE INITIATED AFTER A PULSE AT SAID DATA TERMINAL HAS ATTAINED A PREDETERMINED POTENTIAL FOR A PREDETERMINED TIME (A) SAID SQUARE PULSE HAVING A DURATION PROPORTIONAL TO THE DURATION OF THE PULSE AT SAID DATA TERMINAL;
(B) AN INTEGRATOR CIRCUIT (1) CONNECTED TO AN OUTPUT TERMINAL OF SAID FILTER MEANS, AND
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1 Claim
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1. A PULSE FILTER AND PULSE ERROR DETECTOR FOR FILTERING AND DETECTING ERROR IN PULSES OCCURING AT A DATA TERMINAL OF A DATA RECEIVER COMPRISING, IN COMBINATION:
- (A) FILTER MEANS (1) CONNECTED TO THE DATA TERMINAL, AND (2) SAID FILTER MEANS PRODUCING AT LEAST ONE OUTPUT TERMINAL THEREOF A SUBSTANTIALLY SQUARE PULSE INITIATED AFTER A PULSE AT SAID DATA TERMINAL HAS ATTAINED A PREDETERMINED POTENTIAL FOR A PREDETERMINED TIME (A) SAID SQUARE PULSE HAVING A DURATION PROPORTIONAL TO THE DURATION OF THE PULSE AT SAID DATA TERMINAL;
(B) AN INTEGRATOR CIRCUIT (1) CONNECTED TO AN OUTPUT TERMINAL OF SAID FILTER MEANS, AND
- (A) FILTER MEANS (1) CONNECTED TO THE DATA TERMINAL, AND (2) SAID FILTER MEANS PRODUCING AT LEAST ONE OUTPUT TERMINAL THEREOF A SUBSTANTIALLY SQUARE PULSE INITIATED AFTER A PULSE AT SAID DATA TERMINAL HAS ATTAINED A PREDETERMINED POTENTIAL FOR A PREDETERMINED TIME (A) SAID SQUARE PULSE HAVING A DURATION PROPORTIONAL TO THE DURATION OF THE PULSE AT SAID DATA TERMINAL;
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