Arrangement for and method of waking a sleeper
US5144600A · kind A · utility
21Cited by
4References
16Claims
0Family size
Inventor
Key dates
| Filing date | Jul 5, 1992 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Jul 5, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B25/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.