Science Fair Project Encyclopedia
Local battery
In telecommunication, the term local battery has the following meanings:
1. In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.
2. In telephony, a system in which each telephone instrument has its own source of power, as opposed to being powered from the central office.
3. A source of local power for a telephone instrument.
Source: From Federal Standard 1037C and from MIL-STD-188
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details