Vibrator alert device for a communication receiver

Details Vibrator alert device for a communication receiver Vibrator alert device for a communication receiver

1987-02-20

1988-12-27

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

310 81, 340407, 74 87, G08B 522, F16H 3310

Patent

active

047943920

ABSTRACT:
An alerting device for a paging receiver for generating vibration motion in the paging receiver housing. The alerting means comprises an electric motor, an eccentric weight, and a linking means. The electric motor is activated in response to an alert signal for rotating a driving shaft. The driving shaft is coupled to the eccentric weight by the linking means for rotating the eccentric weight. The linking means includes a driving means and a receiving means such that rotary motion is transmitted from the shaft to the eccentric weight while preventing transmission of vibration motion from the eccentric weight to the shaft. The eccentric weight is mechanically attached to the housing for transmitting the vibration motion directly to the housing without passing the vibration motion through the electric motor.

REFERENCES:
patent: 3017631 (1962-01-01), Fink et al.
patent: 3618070 (1971-11-01), Kagan
patent: 3623064 (1971-11-01), Kagan
patent: 3911416 (1975-10-01), Feder
patent: 4583414 (1986-04-01), Wadensten
patent: 4587863 (1986-05-01), Wadensten
patent: 4590814 (1986-05-01), Wadensten

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