Integrating accelerometer with digital memory circuit

• US 3,284,708 A
• Filed: 06/14/1961
• Issued: 11/08/1966
• Est. Priority Date: 06/14/1961
• Status: Expired due to Term

• Current Assignee: Harold D. Morris, Wallace E. Hyde Jr
• Original Assignee: Harold D. Morris, Wallace E. Hyde Jr
• Inventors: Morris, Harold D., Hyde, Wallace E. Jr.
• Application Number:
  US04/117,088
• Time in Patent Office: 1,973 Days
• US Class Current: 73/503
• CPC Class Codes: B64G 1/66 Arrangements or adaptations of apparatus or instruments, not otherwise provided for
• CPC Class Codes: G01P 15/13 by measuring the force required to restore a proofmass subjected to inertial forces to a null position
• CPC Class Codes: G01P 7/00 Measuring speed by integrating acceleration measuring travelled distance by double integration of acceleration G01C21/16

Claims

1. IN AN INTEGRATING ACCELEROMETER, AN ACCELEROMETER FOR MEASURING ACCELERATION AND HAVING AN OUTPUT REPRESENTING THE ACCELERATION BEING MEASURED, AN ANALOG INTEGRATOR CONNECTED TO THE OUTPUT OF SAID ACCELEROMETER AND HAVING AN OUTPUT REPRESENTING THE CHANGE IN VELOCITY, AND A DIGITAL MEMORY SYSTEM CONNECTED TO THE OUTPUT OF THE INTEGRATOR, SAID DIGITAL MEMORY SYSTEM INCLUDING A DIGITAL MEMORY REGISTER, A COMPARATOR CONNECTED TO SAID INTEGRATOR, A PULSE GENERATOR, GATE MEANS CONNECTED TO THE PULSE GENERATOR AND OPERATED BY SAID COMPARATOR FOR APPLYING PULSES FROM SAID PULSE GENERATOR TO SAID DIGITAL MEMORY, AND DIGITAL-TO-ANALOG CONVERTING MEANS CONNECT-