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[ Victoria Kozlova ]   Created: 5/8/09   Closing date: 5/31/09
Market size: Not specified    Investments required: Not specified
Expert rating 7.8
Public rating 7.89

Voting is completed

Sound Off

The Problem Addressed

Pretty often, of two (or more) people sharing bed or room, one has to get up earlier. Standard sound-based alarm clocks wake up everybody. A silent alarm clock would wake up the early riser only.

Two Key Features of the Silent Alarm Clock

1. Bluetooth Vibrating Wrist Band: the alarm clock would have a bluetooth vibrating wrist band (see an example)

2. Focused Light Beam: the alarm clock would to turn a focused light beam on.

Any other solutions?:-)

Top Rated

[ Elena Dobrynchenko ] 5/26/09
Expert rating 9.17
Public rating 9.13

Voting is completed

Water SprayerA focused timer-operated water sprayer would be a great silent alarm clock.  The alarm clock would push the button of an electronically operated water sprayer.

The main advantage of this solution is that it's more effective than a sound- or light-based alarm clock that you can switch of and keep sleeping. The water sprayer make the pillow wet and thus unpleasant to sleep on.

[ Ravi Bindra ] 5/8/09
Expert rating 7.4
Public rating 7.67

Voting is completed

Huge Inflatable Pillow A deflated inflatable pillow can be put under the main pillow, beneath the bed sheet. Just before the wake-up time, a timed air-pump would start inflating it, thus making further sleeping uncomfortable.

PS: A similar silent alarm clock can be provided to the passangers by conductors in Japanese railroads.

Tree of discussion
Expand all Hide comments Sort by serious/humorous Author Rating Date
Water Sprayer as a Silent Alarm Clock
Humorous Elena Dobrynchenko 9.13 5/26/09
Timer-operated Inflatable Pillow
  Ravi Bindra 7.67 5/8/09
The First Silent Alarm Clock Invented by Leaonardo da Vinci
Humorous Victoria Kozlova 5/8/09
Silent Alarm Clock: Vibrating Wireless Rubber Ring
  Dragan Dejkovic 5/8/09
Silent alarm clock with vibrating wristband: a Patent
  Vadim Kotelnikov 5/8/09
Another US Patent: Silent Alarm Clock
  Vadim Kotelnikov 5/20/09
Alarm with Bed Shaker
  Anchali Hyapha 5/8/09
Invisible Clock
  Blob Varchar 5/8/09
Shake Awake - a silent vibrating alarm clock
  Vadim Stebakov 5/20/09
Pretty Interesting Discussion Found
Humorous Elena Dobrynchenko 5/8/09
Vibrating Alarm Clocks Designed for the Deaf
  Ravi Bindra 5/8/09
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