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Apparatus for monitoring deviations from production standards

  • US 3,321,704 A
  • Filed: 09/14/1962
  • Issued: 05/23/1967
  • Est. Priority Date: 09/14/1962
  • Status: Expired due to Term
First Claim
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1. IN COMBINATION A PRODUCTION RATE MONITORING SYSTEM COMPRISING A FIRST SWITCH RESPONSIVE TO THE INITIATION OF A MANUFACTURING OPERATION, A TIMER FOR DEFINING A GIVEN INTERVAL, SAID SWITCH WHEN OPERATED INITIATING OPERATION OF SAID TIMER, A SECOND SWITCH RESPONSIVE TO THE COMPLETION OF SAID MANUFACTURING OPERATION, A FIRST COUNTER RESPONSIVE TO THE OPERATION OF SAID SECOND SWITCH PRIOR TO THE COMPLETION OF SAID GIVEN INTERVAL, A SECOND TIMER FOR DEFINING A SECOND INTERVAL, MEANS INITIATING OPERATION OF SAID SECOND TIMER IN RESPONSE TO SAID FIRST MENTIONED TIMER DEFINING THE EXPIRATION OF SAID FIRST INTERVAL, A SECOND COUNTER RESPONSIVE TO THE EXPIRATION OF SAID SECOND INTERVAL PRIOR TO THE OPERATION OF SAID SECOND SWITCH, AND A THIRD TIMER ACTUATED UPON THE COMPLETION OF SAID SECOND INTERVAL FOR MEASURING THE INTERVAL BETWEEN COMPLETION OF SAID SECOND INTERVAL AND OPERATION OF SAID SECOND SWITCH.

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