Improvements relating to circuits for controlling electromagnetically operated switches

• Main Author: BETTS MAX WILLIAM
• Format: Patent
• Language: English
• Published: 14.10.1964
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

972,371. Transistor and valve relay circuits. COURTAULDS Ltd. April 13, 1961 [April 14, 1960], No. 13305/60. Headings H3P and H3T. An electromagnetically operated switch having a coil in circuit with an interrupter is operated by utilizing the back voltage generated in the coil when the interrupter...