Andrew S Filo, Mark P Morgenthaler, Glenn C Steiner: Virtual command post. Lionhearth Technologies, Thomas C Feix, April 10, 2001: US06215498 (141 worldwide citation)

A system of networked terminal apparatus for creating a three dimensional animated work environment wherein terminal users of various levels of immersion are depicted as avatars in the virtual work environment and wherein actions and information of the terminal users is input into the virtual work e ...

Tim W Henry, Mark P Morgenthaler: Direct flash analog-to-digital converter and method. Hewlett Packard Company, Edward Y Wong, May 31, 1983: US04386339 (59 worldwide citation)

A direct flash converter has independent parallel analog-to-digital encoders for each bit. Cross-coupled level sensors are coupled to a single comparator within each bit encoder to provide a directly encoded Gray code binary output.