Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
An electronics firm wishes to introduce a range of low cost alarms. You have been asked to design and produce a prototype for further development by the firm.
Member rating:
(6 votes)
| Words:
| Submitted: Thu Jul 11 2002
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Electronics Folder Problem An electronics firm wishes to introduce a range of low cost alarms. You have been asked to design and produce a prototype for further development by the firm. Possible Projects Brief I have decided to design and make a prototype low cost home burglar alarm. Research into Alarms Analysis of commercial alarms From my research into commercial alarms I have found out the following: * All alarms have more than 1 input. * All alarms sound for a time after they have been triggered. * Most alarms sound for a variable time of between 2 minutes and 20 minutes. * All alarms have a sound output of at least 98dB. * All alarms have either a delay between being switched on and being armed or they can be remotely switched on and off from outside the premises. * The better alarms have a small delay between being triggered and the siren sounding. Task Analysis 1 Task Analysis Detecting Burglars Task Analysis Warning People...
To see the full version of this document, and 145,320 others
