<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Yes... AST was an Ampex trademark, and DPT "Dynamic Parallell Tracking" was apparently a TM of CMC.<div><br></div><div>I'm just curious to know what's different... and the story behind it.</div><div><br></div><div>Ted</div><div><br><div><div>On May 7, 2010, at 7:58 PM, Don Norwood wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div bgcolor="#ffffff" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Ted:</div><div> </div><div>I have some of the CMC heads, and I thought it was just a different trade name. Wasn't AST registered to Ampex?</div><div> </div><div>Don</div><blockquote style="border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; ">----- Original Message -----</div><div style="font: normal normal normal 10pt/normal arial; background-image: initial; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: rgb(228, 228, 228); background-position: initial initial; "><b>From:</b><span class="Apple-converted-space"> </span><a title="ted@quadvideotapegroup.com" href="mailto:ted@quadvideotapegroup.com">Ted Langdell</a></div><div><br></div><div>Side question: Can anyone tell what CMC Technology's "<span class="Apple-style-span" style="font-family: arial, helvetica, sans-serif; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">D.P.T. (Dynamic Parallel Tracking)" heads for Ampex machines differed from Ampex's AST (Automatic Scan Tracking) heads for 1" Type C?</span></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; "><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">Ted</span></font></div></blockquote>_______________________________________________<br>Please trim posts to relevant info when replying!<br>Send QuadList list posts to<span class="Apple-converted-space"> </span><a href="mailto:QuadList@quadvideotapegroup.com">QuadList@quadvideotapegroup.com</a><br>Your subscribe, unsubscribe and digest options are here:<br><a href="http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com">http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com</a></div></span></blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Ted Langdell</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Secretary</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#0018ea" style="font: normal normal normal 12px/normal Helvetica; color: rgb(0, 24, 234); "></font></div></div></div></span> </div><br></div></body></html>