Correlating time and event recorder

• US 3,275,808 A
• Filed: 08/27/1962
• Issued: 09/27/1966
• Est. Priority Date: 08/27/1962
• Status: Expired due to Term

• Current Assignee: Knud J. Knudsen
• Original Assignee: Knud J. Knudsen
• Inventors: Knudsen, Knud J.
• Application Number:
  US04/219,558
• Time in Patent Office: 1,492 Days
• US Class Current: 377/20
• CPC Class Codes: G01K 5/70 specially adapted for indicating or recording

Claims

2. A TIMING AND EVENT RECORDER COMPRISING IN COMBINATION:

(A) A PAIR OF ELECTRICALLY-OPERATED COUNTERS CAPABLE OF INDEPENDENT ADVANCE, (B) MEANS INCLUDING A POWER-OPERATED TIMING SWITCH ADAPTED TO REPEATEDLY OPEN AND CLOSE, FOR PERIODICALLY ADVANCING ONE OF SAID COUNTERS TO INDICATE ELAPSED TIME, (C) MEANS INCLUDING AN AUTOMATICALLY CONTROLLED SWITCH, FOR SIMULTANEOUSLY RENDERING OPERATIVE SAID FIRST-NAMED MEANS AND ALSO OTHER OF SAID COUNTERS, (D) AND REVERSIBLY - OPERATIVE CONDITION - RESPONSIVE MEANS FOR REVERSIBLY ACTUATING SAID AUTOMATICALLY CONTROLLED SWITCH, (E) A SECOND PAIR OF ELECTRICALLY-OPERATED COUNTERS CAPABLE OF INDEPENDENT ADVANCE, ONE OF SAID SECOND PAIR OF COUNTERS BEING ARRANGED FOR PERIODIC ADVANCE BY SAID MEANS WHICH INCLUDES THE TIMING SWITCH, TO INDICATE ELAPSED TIME, (F) MEANS UNDER THE CONTROL OF SAID AUTOMATICALLY CONTROLLED SWITCH AND INCLUDING A SECOND AUTOMATICALLY CONTROLLED SWITCH, FOR SIMULTANEOUSLY RENDERING OPERATIVE SAID SECOND PAIR OF COUNTERS, AND (G) A SECOND REVERSIBLY-OPERATIVE CONDITION-RESPONSIVE MEANS FOR REVERSIBLY ACTUATING SAID SECOND AUTOMATICALLY CONTROLLED SWITCH.