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Telemetering system for determining rate of flow

  • US 3,404,264 A
  • Filed: 07/19/1965
  • Issued: 10/01/1968
  • Est. Priority Date: 07/19/1965
  • Status: Expired due to Term
First Claim
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1. A TELEMETERING SYSTEM COMPRISING A FIRST STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A FIRST QUANTITY, A FIRST SWITCH ACTUATED BY THE FIRST STYLUS, A SECOND STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A SECOND QUANTITY, A SECOND SWITCH ACTUATED BY THE SECOND STYLUS, FIRST AND SECOND CAMS ROTATED AT A SYNCHRONOUS SPEED, SAID FIRST CAM COOPERATING WITH THE FIRST STYLUS AND HAVING A LOGARITHMIC SURFACE WHEREBY THE FIRST SWITCH IS ACTUATED FOR A FIRST INTERVAL CORRESPONDING TO THE LOGARITHM OF THE FIRST QUANTITY, SAID SECOND CAM HAVING A LOGARITHMIC SURFACE COOPERATING WITH THE SECOND STYLUS WHEREBY THE SECOND SWITCH IS ACTUATED FOR A SECOND INTERVAL COR-

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