Horology: time measuring systems or devices – Combined with disparate device – External alarm
Patent
1992-07-05
1992-09-01
Roskoski, Bernard
Horology: time measuring systems or devices
Combined with disparate device
External alarm
368 10, G04B 47033
Patent
active
051446006
ABSTRACT:
An underpillow vibrating assembly resists relative displacement between itself and a pillow, and reliably transmits vibrations through the pillow to wake a sleeper. The assembly includes a housing containing a vibrator as well as a planar vibratory plate connected to, and extending past opposite ends outwardly of, the housing.
REFERENCES:
patent: 952710 (1910-03-01), Pesche
patent: 2460133 (1949-01-01), Pedis
patent: 2580598 (1952-01-01), Rody
patent: 5072429 (1991-10-01), Mair
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