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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=Drexon_Laser_Card</id>
		<title>Drexon Laser Card - Revision history</title>
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		<updated>2026-04-19T03:27:00Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Drexon_Laser_Card&amp;diff=12057&amp;oldid=prev</id>
		<title>Dan Tobias at 17:30, 10 June 2013</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Drexon_Laser_Card&amp;diff=12057&amp;oldid=prev"/>
				<updated>2013-06-10T17:30:29Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 17:30, 10 June 2013&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The '''Drexon Laser Card''', or Drexon Optical Laser Card, was a physical data format from the 1980s. It was a credit-card-sized card with a data stripe on it, but unlike the stripes on [[magnetic stripe card]]s, this was an optical medium (like a CD or DVD). Up to 2 megabytes of data could be stored on it, and it was anticipated for a variety of uses from identification cards to computer operating-system booting. US patents 4,284,716; 4,542,288; and 4,544,835 were related to this format. While it had some specialized uses, it never caught on as a mainstream format.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The '''Drexon Laser Card''', or Drexon Optical Laser Card, was a physical data format from the 1980s. It was a credit-card-sized card with a data stripe on it, but unlike the stripes on [[magnetic stripe card]]s, this was an optical medium (like a CD or DVD). Up to 2 megabytes of data could be stored on it, and it was anticipated for a variety of uses from identification cards to computer operating-system booting. US patents &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.google.com/patents/US4284716 &lt;/ins&gt;4,284,716&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/ins&gt;; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.google.com/patents/US4542288 &lt;/ins&gt;4,542,288&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/ins&gt;; and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.google.com/patents/US4544835 &lt;/ins&gt;4,544,835&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;] &lt;/ins&gt;were related to this format. While it had some specialized uses, it never caught on as a mainstream format.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Drexon_Laser_Card&amp;diff=12042&amp;oldid=prev</id>
		<title>Dan Tobias: Created page with &quot;{{FormatInfo |formattype=physical |released=1981 }}  The '''Drexon Laser Card''', or Drexon Optical Laser Card, was a physical data format from the 1980s. It was a credit-card...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Drexon_Laser_Card&amp;diff=12042&amp;oldid=prev"/>
				<updated>2013-06-09T21:11:17Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=physical |released=1981 }}  The &amp;#039;&amp;#039;&amp;#039;Drexon Laser Card&amp;#039;&amp;#039;&amp;#039;, or Drexon Optical Laser Card, was a physical data format from the 1980s. It was a credit-card...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=physical&lt;br /&gt;
|released=1981&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
The '''Drexon Laser Card''', or Drexon Optical Laser Card, was a physical data format from the 1980s. It was a credit-card-sized card with a data stripe on it, but unlike the stripes on [[magnetic stripe card]]s, this was an optical medium (like a CD or DVD). Up to 2 megabytes of data could be stored on it, and it was anticipated for a variety of uses from identification cards to computer operating-system booting. US patents 4,284,716; 4,542,288; and 4,544,835 were related to this format. While it had some specialized uses, it never caught on as a mainstream format.&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [http://www.computerhistory.org/collections/accession/X1382.97 Info at Computer History Museum]&lt;br /&gt;
* [http://www.drtomorrow.com/lessons/lessons8/46.html Info on the Drexon Laser Card from its time; perhaps from a press release]&lt;br /&gt;
* [http://www.eric.ed.gov/ERICWebPortal/search/detailmini.jsp?_nfpb=true&amp;amp;_&amp;amp;ERICExtSearch_SearchValue_0=EJ325516&amp;amp;ERICExtSearch_SearchType_0=no&amp;amp;accno=EJ325516 The Potential Role of Drexon LaserCards in Optical Publishing] (info on journal article, but full text doesn't seem to be online)&lt;br /&gt;
* [http://www.sciy.org/2007/03/06/dark-matter-cosmologist-jerome-drexler-pioneered-nanotech-laser-recording-media/ Article on invention of Laser Card]&lt;/div&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

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