Motor for providing a vibrating action for a radio pager

Details Motor for providing a vibrating action for a radio pager Motor for providing a vibrating action for a radio pager

1992-12-14

1995-11-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, H02K 7065, H02K 104

Patent

active

054711037

ABSTRACT:
A motor incorporated in a radio pager provides a vibrating action of the type used for alerting the user that he had received a call. A stator is affixed to the bottom of a casing. A rotor is in the form of a disk mounted on and affixed to a rotary a shaft and provided with coils therein. A weight having a sectorial shape is mounted on the top of the rotor in one embodiment and at the center of the coils in another embodiment.

REFERENCES:
patent: 3361130 (1968-01-01), Rowe
patent: 3584249 (1971-06-01), Murphy
patent: 3993920 (1976-11-01), Sato
patent: 4303844 (1981-12-01), Suzuki
patent: 4374336 (1983-02-01), Shimizu
patent: 4494026 (1985-01-01), Abe
patent: 4763037 (1988-08-01), Hashimoto et al.
patent: 4864276 (1989-09-01), Tribbey et al.

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