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Device for producing electrical muscle trerapy

  • US 3,083,712 A
  • Filed: 11/29/1961
  • Issued: 04/02/1963
  • Est. Priority Date: 11/29/1961
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR ALTERNATELY SYNTHETICALLY STIMULATING TWO COUNTERACTING MUSCLES IN THE BODY COMPRISING A CONTROL SWITCH, CIRCUIT MEANS FOR CONNECTING SAID CONTROL SWITCH TO A D.C. VOLTAGE SUPPLY, A DELAY CIRCUIT COUPLED TO THE OUTPUT OF SAID CONTROL SWITCH, A SOLENOID COUPLED TO SAID DELAY CIRCUIT AND ACTUATED THEREBY, A TWO-POSITION SWITCH COUPLED TO SAID SOLENOID, SAID SWITCH BEING MOVED FROM ITS FIRST TO ITS SECOND POSITION WHEN SAID SOLENOID IS ACTUATED, MEANS FOR CONNECTING THE INPUT OF SAID TWOPOSITION SWITCH TO SAID VOLTAGE SUPPLY, A STORAGE CAPACITOR COUPLED TO THE OUTPUT OF SAID TWO POSITION SWITCH IN SAID FIRST POSITION, AN OSCILLATOR COUPLED TO THE OUTPUT OF SAID TWO POSITION SWITCH IN ITS SECOND POSITION FOR PROVIDING AN ALTERNATING VOLTAGE OUTPUT, A SECOND SOLENOID COUPLED TO SAID CAPACITOR, MEANS FOR DISCHARGING SAID CAPACITOR THROUGH SAID SECOND SOLENOID WHEN SAID FIRST SOLENOID IS ACTUATED, A SECOND TWO POSITION SWITCH HAVING ITS INPUT CONNECTED TO THE OUTPUT OF SAID OSCILLATOR AND OPERATED

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