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Lon A Williamson, Frank C Pennypacker, Donald W Collier, Kip L Fuller: Remote confinement system. Guardian Technologies, Wood Herron & Evans, March 12, 1991: US04999613 (123 worldwide citation)

A remote confinement system provides a plurality of different unsupervised tests to determine the presence, identity or conduct of the prisoner. The tests preferably include an RF test performed continuously with an RF transmitter attached to the prisoner and a receiver at the remote location, a sch ...


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Patrick J Conners, Lawrence R Stevens, Don R Gaiser, Frank C Pennypacker: Breath alcohol testing system. Guardian Technologies, Wood Herron & Evans, February 26, 1991: US04996161 (77 worldwide citation)

A breath alcohol testing system for advantageous use in unsupervised blood alcohol testing includes a face mask having for receiving a breath sample, components to confirm the identity and components to insure that this identity act and breath delivery are performed by the same person. The system re ...


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Daniel Peter Brown, Louis David Finkelstein, Frank C Pennypacker: Communication method and device. Motorola, Randall S Vaas, August 11, 1998: US05793866 (46 worldwide citation)

A system (100) and method of improving activation security allows a remote device (104) to identify that there is a difference between a first signal transmitted by a central site (102) and a first signal received by the remote device. A derived number is used. The derived number can be displayed to ...


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Orest J Hanas, Frank C Pennypacker, Charles B Radloff, Richard D Schulman: Satellite scrambling communication network using geographically separated uplinks. Oak, Kinzer Plyer Dorn McEachran & Jambor, November 24, 1987: US04709266 (39 worldwide citation)

A satellite scrambling communication network uses geographically separated uplinks to provide scrambled video and audio signals and descrambling control data to separated individual subscribers and to separated TV signal distribution systems. The network includes a business control center which prov ...


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Daniel Peter Brown, Louis David Finkelstein, Frank C Pennypacker: Communication method and device. Motorola, Randall S Vaas, April 4, 2000: US06047066 (28 worldwide citation)

A system (100) and method of improving activation security allows a remote device (104) to identify that there is a difference between a first signal transmitted by a central site (102) and a first signal received by the remote device. A derived number is used. The derived number can be displayed to ...


6
Frank C Pennypacker Lindsay: High frequency signal routing devices for use in catv systems. Lindsay Specialty Products, Arne I Fors, Frank I Piper, June 20, 1972: US3671885 (26 worldwide citation)

Passive devices for signal routing such as directional couplers, hybrid splitters and power inserters, for use in CATV or similar signal distribution systems having improved operating characteristics are obtained by the incorporation of pi-section high-pass filters into such devices. Conventional sp ...


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Daniel Peter Brown, Louis David Finkelstein, Frank C Pennypacker: Communication method and device. Motorola, LU LIYING, July 30, 1997: CN96121525

A system (100) and method of improving activation security allows a remote device (104) to identify that there is a difference between a first signal transmitted by a central site (102) and a first signal received by the remote device. A derived number is used. The derived number can be displayed to ...


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