Communications: electrical – Condition responsive indicating system – Specified housing
Patent
1979-09-11
1981-06-23
Caldwell, Sr., John W.
Communications: electrical
Condition responsive indicating system
Specified housing
46254, 180168, 318 16, 318 78, H04B 700, B60K 2700
Patent
active
042753945
ABSTRACT:
A radio control driving circuit device used for a model device having a radio control system comprising a d-c power supply, two electric motors and a receiver, characterized in that two transistors of the same type, instead of the conventional complementary type, are used as two transistors each connected in series to the right and left motors for separately driving each of the motors, and a common power supply is used for driving the motors to permit control signals from the receiver to be introduced via a phase division circuit.
REFERENCES:
patent: 3720281 (1973-03-01), Frownfelter
patent: 3856104 (1974-12-01), Ohba
patent: 4168468 (1979-09-01), Mabuchi et al.
Komatsu Koziro
Mabuchi Ken-ichi
Caldwell Sr. John W.
Crosland Donnie L.
Mabuchi Motor Co. Ltd.
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