<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><head></head><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" size="3"></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><span style="letter-spacing: 0.0px"><font class="Apple-style-span" size="3">In 1992, he worked with Kevin Stec and David Rubenstein to develop a Laserdisc-based method of transferring content in digital form to VHS tape at twice normal speed. </font></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><font class="Apple-style-span" size="3"><span style="letter-spacing: 0.0px"></span><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><span style="letter-spacing: 0.0px"><font class="Apple-style-span" size="3">The <a href="http://www.google.com/patents/US5260800"><span style="text-decoration: underline ; letter-spacing: 0.0px color: #210095">concept and execution was patented</span></a> in November, 1993 and the patent assigned to Laserdub, Inc. of Irvine, California. </font></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><font class="Apple-style-span" size="3"><span style="letter-spacing: 0.0px"></span><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><span style="letter-spacing: 0.0px"><font class="Apple-style-span" size="3">The work involved FM modulation and demodulation, A/D conversion, digital time base correction, noise reduction, splicing digital sync and blanking into the digital picture, and then outputting a 2X hetrodyne "color under" video signal to VHS decks for dubbing at twice user playback speed.</font></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><font class="Apple-style-span" size="3"><span style="letter-spacing: 0.0px"></span><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><span style="letter-spacing: 0.0px"><font class="Apple-style-span" size="3">For another client, Ken Zin recalls that Al worked on a three-times play speed system for dubbing PAL VHS copies that used Bosch BCN series 1" segmented scan machines. These modified decks used SVHS heads. The smaller head's narrower gap was needed to handle the higher FM modulation frequencies created in the triple-speed design.</font></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><font class="Apple-style-span" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" size="3"></font></div></div></body></html>