enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Honeywell Gent - Wikipedia

   en.wikipedia.org/wiki/Honeywell_Gent

   The company continued making electric bells and, trading as Chloride Gent following the acquisition, released the Chloride Gent Warbler – one of the first electronic fire alarm sounders. The Warblers were extremely loud and were used in many schools across the United Kingdom. The original Warbler has three selectable tones: warble, continuous ...

3. Doorbell - Wikipedia

   en.wikipedia.org/wiki/Doorbell

   Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]

4. 7 Best Alarm Clocks for Heavy Sleepers, According to a ... - AOL

   www.aol.com/lifestyle/7-best-alarm-clocks-heavy...

   Shop the best loud alarm clocks for heavy sleepers on Amazon and more that are recommended by our editor, who tested several of them, and a sleep psychologist.

5. Air horn - Wikipedia

   en.wikipedia.org/wiki/Air_horn

   An air horn is a pneumatic device designed to create an extremely loud noise for signaling purposes. It usually consists of a source which produces compressed air, which passes into a horn through a reed or diaphragm. The stream of air causes the reed or diaphragm to vibrate, creating sound waves, then the horn amplifies the sound making it louder.

6. The Mosquito - Wikipedia

   en.wikipedia.org/wiki/The_Mosquito

   The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is intentionally tuned to be heard primarily by younger people. In some versions, it is intentionally tuned to be heard primarily by younger people.

7. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]