Unitized housing for silent and tone pager alerting system

Details Unitized housing for silent and tone pager alerting system Unitized housing for silent and tone pager alerting system

1989-02-09

1990-06-05

Crosland, Donnie L.

Communications: electrical

Tactual indication

With input means

340384R, 340391, 340693, 34082546, 381205, G08B 500

Patent

active

049317652

ABSTRACT:
A housing for an alerting system within a selective call radio receiver exhibits substantial space saving characteristics by incorporating both a low profile vibrator motor for silent alerting and a tone generator for audio alerting. The housing comprises a rigid material defining first and second chambers adjacent and separated by a common wall of the housing, the first chamber containing the low profile vibrating motor, the second chamber containing the tone generator, the housing defining a first port therein for omitting an audio tone from the second chamber and at least one other port therein for providing power to the low profile vibrating motor and the tone generator.

REFERENCES:
patent: 3623064 (1971-11-01), Kagan
patent: 4149153 (1979-04-01), Shigemori et al.
patent: 4163223 (1979-07-01), Sato et al.
patent: 4175262 (1979-11-01), Harakawa et al.
patent: 4286257 (1981-08-01), Slauin et al.
patent: 4392135 (1983-07-01), Ohyagi
patent: 4413253 (1983-11-01), Hofer et al.
patent: 4823110 (1989-04-01), Dorward et al.

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