File:Telefunken Rollkugel RKS 100-86 (bottom).jpg
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DescriptionTelefunken Rollkugel RKS 100-86 (bottom).jpg |
English: The Telefunken Rollkugel was announced on October 2, 1968 – more than two months before Douglas Engelbart’s notorius demo of his mouse; it was routineley used by 1972, more than 9 years before the first mouse marketed in USA (with the Xerox Star)
Deutsch: Die Rollkugel der Firma AEG-Telefunken wurde am 2. Oktober 1968 angekündigt – über zwei Monate vor Douglas Engelbarts legendärer Demonstration seiner Maus; die Rollkugel war spätestens seit 1972 im Routinebetrieb, mehr als 9 Jahre vor der ersten in den USA (mit dem Xerox Star) vertriebenen Maus. |
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Date | |||
Source | Flickr: Unique mouse from Telefunken, pt. 1 | ||
Author | Marcin Wichary | ||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:42, 17 February 2013 | 3,888 × 2,588 (3.12 MB) | Flickr upload bot (talk | contribs) | Uploaded from http://flickr.com/photo/8399025@N07/2322836557 using Flickr upload bot |
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Camera manufacturer | Canon |
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Camera model | Canon EOS DIGITAL REBEL XTi |
Exposure time | 1/20 sec (0.05) |
F-number | f/4 |
ISO speed rating | 800 |
Date and time of data generation | 18:21, 7 March 2008 |
Lens focal length | 42 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 18:21, 7 March 2008 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 18:21, 7 March 2008 |
APEX shutter speed | 4.3219298245614 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 4,433.2954545455 |
Focal plane Y resolution | 4,453.6086956522 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Scene capture type | Standard |