Tektronix_4051_ad_April_1976.jpg
Summary
Description Tektronix 4051 ad April 1976.jpg |
English:
The Tektronix 4051 Graphic Computing System was introduced in October 1975. ("Terminal talks Basic",
Electronics
, October 30, 1975, Page 120.) This used a Motorola MC6800 microprocessor with a maximum of 32 KB of RAM. The 1024 by 780 display was a storage tube that would hold the image itself.
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Date | |
Source | Scanned from page 189 of the April 15, 1976 issue of Electronics magazine by Michael Holley Swtpc6800 |
Author | Tektronix |
Permission
( Reusing this file ) |
This advertisement did not have a copyright notice and is in the public domain. From the US Copyright Office Circular 3. Page 3, Contributions to Collective Works. (A magazine is a "collective work.")
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Licensing
Public domain Public domain false false |
This work is in the
public domain
in the United States because it was
published
in the United States between 1929 and 1977, inclusive,
without a
copyright notice
. For further explanation, see
Commons:Hirtle chart
as well as a
detailed definition
of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the
rule of the shorter term
for US works (depending on the date of the author's death), such as Canada (50
p.m.a.
), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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