×

AUDIO-DIGITAL RECORDING SYSTEM

  • US 3,786,201 A
  • Filed: 02/04/1972
  • Issued: 01/15/1974
  • Est. Priority Date: 02/04/1972
  • Status: Expired due to Term
First Claim
Patent Images

1. A system for preparing an analog signal for recording or transmission in digital form comprising:

  • sample and hold means, for sampling said analog signal, said means having a variable gain;

    control and timing means for sensing said analog signal and for providing a control signal for varying the gain of said sample and hold means as a function of the magnitude of said analog signal and for providing timing information for said sample and hold means, said control means being coupled to said sample and hold means;

    an analog-to-digital converter for converting the output signals of said sample and hold means into digital signals;

    whereby the output of said analog-to-digital converter and signals representative of the gain of said sample and hold means may be recorded or transmitted.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×