Electronic speed regulator for a d.c. motor

Details Electronic speed regulator for a d.c. motor Electronic speed regulator for a d.c. motor

H - Electricity

02

P

318/108

H02P 7/288 (2006.01) G05F 1/46 (2006.01)

Patent

CA 1178656

PHF 81 528 16 ABSTRACT: An electronic speed regulator for a d.c. motor having an integrated circuit regulator, current regulation being effected by means of a current mirror, starting from the motor current. The base currents of the transistors of said current mirror are supplied by a second current mirror whose operation depends on that of the first one. The device is used for the speed control of battery- operated motors for record players and recorders.

398731

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