Changeset 240 in t29-www for en/computer/analog.shtm
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- Apr 18, 2011, 8:57:56 PM (13 years ago)
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en/computer/analog.shtm
r191 r240 1 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 2 2 3 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 4 3 5 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> 6 4 7 <head><!--#set var="title" value="Analog and hybrid computers" 5 8 --><!--#set var="location" value="analogrechner" … … 12 15 --><title>technikum29 - <!--#echo var="title" --></title> 13 16 17 18 14 19 <!--#include virtual="/en/inc/head.inc.shtm" --> 15 20 <meta name="t29.SVN" content="$Id$" /> 16 21 </head> 22 17 23 <body> 24 18 25 <!--#echo encoding="none" var="heading" --> 19 26 <div id="content"> 27 20 28 <h2><!--#echo var="title" --></h2> 21 29 22 30 <!-- Top paragraphs: Translation from 20.12.2008 --> 31 23 32 <p>Analog computers were used to compute mathematical, physical and 24 33 technical problems. They were especially capable of solving equations … … 38 47 not at all.</p> 39 48 49 50 40 51 <p>All systems that yield the same mathematical model are called analog 41 52 systems among one another, disregarding their technical or physical origins. … … 44 55 analog computers at that time highly differed from each other. 45 56 46 <p>Among others, computer systems by Telefunken (1961-64) are 47 installed. They draw awesome curves on a storage oscilloscope and 48 xy plotter. They solve difficult problems quite quickly, but handing, 49 programming (plug connections) and analysis is not easy.</p> 57 58 59 <p>Among others, computer systems by Telefunken (1961-64) are installed. They drew awesome curves on a storage oscilloscope and xy plotter. They solved difficult problems quite quickly, but handing, programming (plug connections) and analysis is not easy.</p> 60 61 50 62 51 63 <!--alter Text: <p>Electronical analog computers solved mathematical … … 55 67 writer or an oscilloscope.</p>--> 56 68 69 70 57 71 <h3>Heathkit Analog Computer H1</h3> 72 58 73 <div class="box center" style="margin-bottom: 0;"> 59 <img src="/shared/photos/rechnertechnik/heathkit-analog rechner.jpg" width="493" height="337" alt="Heathkit Analog Computer H1" />74 <img src="/shared/photos/rechnertechnik/heathkit-analog-computer.jpg" width="694" height="443" alt="Heathkit Analog Computer H1" /> 60 75 <p>Heathkit, known for it's construction kits, developed an analog 61 76 computer in 1956 that was primary designed for education. This 62 77 monster has 70 tubes, whereas 45 were placed external due to better 63 78 cooling. It is equipped with 15 computing amplifiers.</p> 64 </div> 79 80 </div> 81 82 65 83 66 84 <div class="box left clear-after" style="margin-top: 0;"> 67 <img src="/shared/photos/rechnertechnik/heathkit-ausschnitt.jpg" alt=" Heathkit Analog Computers H1" width="247" height="179" class="nomargin-bottom"/> 85 <img src="/shared/photos/rechnertechnik/heathkit-detail.jpg" alt=" Heathkit Analog Computers H1" width="400" height="277" class="nomargin-bottom"/> 86 68 87 <p class="bildtext"> 88 69 89 It demonstrates archaic early technology from the first generation. 70 90 We have connected a compatible xy plotter equipped with tubes, too. … … 72 92 href="http://www.fitg.de/fitg_english/">FITG (Association for the 73 93 promition of industrial and technological history)</a>. 94 74 95 </p> 75 </div> 96 <p class="small"> 97 Excerpt from the original prospekt:<br> 98 This is a highly flexible and accurate analog computer, designed to fill requirements not presently met by commercial computer. It is an instrument suitable for use as a design tool in industry and universities. An advanced slide rule which permits engineering or research personnel to electronically simulate equations or physical problems and save many hours of calculation or experimentation..... 99 Because it is a kit, and the labor and overhead costs found in present day computers are eliminated, the Heath Computer can be obtained for use in situations where a computer was ruled out in the past because of cost.......</p> 100 </div> 101 102 76 103 77 104 <div class="box left clear-after"> 105 78 106 <h3>Heathkit Analog Computer EC-1</h3> 79 <img src="/shared/photos/rechnertechnik/heathkit EC-1.jpg" width="365" height="256" alt="Heathkit EC-1" /> 107 108 <img src="/shared/photos/rechnertechnik/heathkit-ec1.jpg" width="400" height="252" alt="Heathkit EC-1" /> 109 80 110 <p>This is a very small analog computer that was designed for 81 111 educational purpose. It was built since 1960 and was equipped … … 85 115 inexactly to be used for real computing. 86 116 <br/>This device costed around 1.900 DM (about 900 Euro/500US$) </p> 87 </div> 117 118 </div> 119 88 120 89 121 <div class="box right"> 122 90 123 <h3>Telefunken RAT 700</h3> 124 91 125 <img src="/shared/photos/rechnertechnik/telefunken_rat700.jpg" width="291" height="917" alt="Telefunken RAT 700" class="nomargin-bottom" /> 126 92 127 <p class="bildtext"> 128 93 129 The image shows the <b>Telefunkten RAT 700</b> in the bottom (first 94 130 model from 1961), above a part from the successor. On the new model … … 100 136 direct voltage is amlified by using choppers still today, but of course 101 137 they are made with electronic components. 138 102 139 </p> 140 103 141 </div> 104 142 105 143 <div class="box center" style="margin-right: 291px"> 144 106 145 <h3>GTE Analog Computer EA22</h3> 146 107 147 <img src="/shared/photos/rechnertechnik/gte-analogrechner.jpg" width="312" height="346" title="GTE Analog computer EA22" /> 148 108 149 <p> 109 150 It's quite remarkable that the EA22 from GTE looks like the Telefunken … … 114 155 firm <u>G</u>oldmann <u>T</u>echnische <u>E</u>elektronik, 115 156 Ulm/Donau. 157 116 158 </p> 117 </div> 118 159 160 </div> 119 161 <div class="clear"> </div> 162 120 163 <!-- Yay, strange layout... --> 164 121 165 166 122 167 <h3>EAI 180 and EAI 185 digital-anlog computer</h3> 168 123 169 170 124 171 <p><b>EAI 180</b> from "Electronic Associates Incorporated", 172 125 173 New Jersey, is a so called <b>hybrid computer</b> (hybris [greek]: From twofold parentage), year of manufacture 1970. It contains the parts of an analoge computer and these from a digital computer. The device is equipped with IC's from the first generation (DTL-technology). The calculation circuit is plugged with cables on the front panel. The cycle time from the analoge part can be set to less than 10ms. With that parameter, an equation will be solved at least 100 times per second. So you can watch the output with a simple oscilloscope.<br><br> 174 126 175 </p> 127 176 128 177 <div class="box center auto-bildbreite"> 178 129 179 <img src="/shared/photos/rechnertechnik/eai180.jpg" width="545" height="435" alt="EAI 180 hybrid computer" /> 180 130 181 <p class="bildtext"><b>EAI 180 hybrid computer</b></p> 131 </div> 132 182 183 </div> 184 133 185 <div class="box center auto-bildbreite"> 186 134 187 <img src="/shared/photos/rechnertechnik/eai,185.jpg" width="545" height="535" style="float:none" alt="EAI 185 Hybridrechner" /> 188 135 189 <p class="bildtext"><b>EAI 185 hyprid computer</b></p> 190 136 191 </div> 137 192 … … 145 200 146 201 <h3>Dornier DO 240 analog computer</h3> 147 202 148 203 <div class="box left clear-after"> 204 149 205 <img src="/shared/photos/rechnertechnik/do_240.jpg" alt="Dornier DO 240" width="424" height="412"/> 150 206 <p class="bildtext"> 207 151 208 The analog computer DO 240, made by the German enterprise DORNIER, is a high precision device, 152 209 compared to the EAI hybrid computers, which were used almost only for education due to their … … 156 213 nixie tubes as a display), a digital counter, two function generators and many more. 157 214 This computer was built in the early 1970s and was priced at 80.000 DM (about 40.000 euro/dollar) 215 158 216 </p> 217 159 218 </div> 160 219 161 220 <h3>(Cylindrical) slide rules</h3> 221 162 222 <div class="box center"> 163 223 <img src="/shared/photos/rechnertechnik/rechenschieber.jpg" 164 224 alt="Slide rule (slipstick) and Cylindrical slide rule" width="694" height="161"/> 165 </div> 166 225 226 </div> 227 167 228 <p> 168 229 Last but not least a mechanical analog computer that was used up to … … 179 240 </p> 180 241 242 243 181 244 </div><!-- end of content --> 245 182 246 <!--#include virtual="/en/inc/menu.inc.shtm" --> 183 247 </body> 184 248 </html> 249
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