File:Pbx-satellite-telephone-exchange-0a.jpg

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Summary

Description	Satellite PBX (telephone exchange).
Date	2007
Source	Own work
Author	Adamantios

Licensing

I, Adamantios, the copyright holder of this work, hereby publishes it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
	Attribution: I, Adamantios
	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
	This licensing tag was added to this file as part of the GFDL licensing update.CC-BY-SA-3.0 truetrue

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.

Attribution: I, Adamantios

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

CC-BY-SA-2.5-2.0-1.0 truetrue

You may select the license of your choice.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Telephone exchange

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon PowerShot S3 IS
Exposure time	1/60 sec (0.016666666666667)
F-number	f/3.2
Date and time of data generation	09:31, 19 July 2007
Lens focal length	8.3 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	09:31, 19 July 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	09:31, 19 July 2007
Image compression mode	5
Shutter speed	5.90625
APEX aperture	3.34375
Exposure bias	0
Maximum land aperture	3.34375 APEX (f/3.19)
Metering mode	Pattern
Flash	Flash fired, auto mode, red-eye reduction mode
Colour space	sRGB
Focal plane X resolution	12,515.555555556
Focal plane Y resolution	12,497.041420118
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard

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