APPARATUS FOR COMPUTATION PARTICULARLY ADAPTED FOR PRODUCING A MEASURE OF TRANSIT TIME AND THE LIKE

• US 3,433,935 A
• Filed: 07/12/1963
• Issued: 03/18/1969
• Est. Priority Date: 07/12/1963
• Status: Expired due to Term

• Current Assignee: Sherman Herbert
• Original Assignee: Sherman Herbert
• Inventors: SHERMAN HERBERT
• Application Number:
  US04/294,562
• Time in Patent Office: 2,076 Days
• US Class Current: 600/504
• CPC Class Codes: A61B 5/0275 using tracers, e.g. dye dilution
• CPC Class Codes: A61B 5/7239 using differentiation including higher order derivatives
• CPC Class Codes: G04F 13/023 using cathode-ray oscilloscopes circuits for inserting reference time markers for cathode-ray oscilloscopes G01R13/305
• CPC Class Codes: G06G 7/18 for integration or differentiation; for forming integrals G06G7/19 takes precedence
• CPC Class Codes: G06G 7/60 for living beings, e.g. their nervous systems ; for problems in the medical field

Claims

1. APPARATUS FOR COMPUTING A MEASURE OF THE AREA UNDER A TIME-CHANGING CURVE, A PORTION OF WHICH FOLLOWS A PREDETERMINED LAW AND HAS A PREDETERMINED CHARACTERISTIC, THAT COMPRISES, MEANS FOR PRODUCING A CONTINUUM OF ELECTRICAL INPUT SIGNALS THAT ARE THE ANALOG OF THE CURVE, INTEGRATOR MEANS FOR CONTINUALLY INTEGRATING THE INPUT SIGNALS, MEANS FOR CONTINUALLY PRODUCING FROM THE INPUT SIGNALS PREDICTED SIGNALS REPRESENTATIVE OF THE AREA UNDER A PREDICTED CURVE FOLLOWING THE SAID PREDETERMINED LAW,

2. APPARATUS AS CLAIMED IN CLAIM 1 AND IN WHICH THE INPUT SIGNALS ARE TIME-MULTIPLE BEFORE BEING INTEGRATED AND IN WHICH THE PREDICTED AREA SIGNALS ARE REPRESENTATIVE OF THE AREA UNDER A TIME-MULTIPLIED PREDICTED CURVE.