1
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote tracking system for moving picture cameras and method. ParkerVision, Arthur G Yeager, November 7, 1995: US05465144 (135 worldwide citation)

The system includes a mobile remote unit sensitive to infrared (IR) signals transmitted by a base or stationary unit and an IR transmitter which is placed behind a rotating lens whose position at any time is known with precision resulting in the IR signal being "scanned" across an area. The remote u ...


2
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote tracking system for moving picture cameras and method. ParkerVision, Arthur G Yeager, December 7, 1993: US05268734 (93 worldwide citation)

The system includes a mobile remote unit sensitive to infrared (IR) signals transmitted by a base or stationary unit and an IR transmitter which is placed behind a rotating lens whose position at any time is known with precision resulting in the IR signal being "scanned" across an area. The remote u ...


3
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote tracking system particularly for moving picture cameras and method. ParkerVision, Arthur G Yeager, January 12, 1993: US05179421 (47 worldwide citation)

The system includes a base unit sensitive to infrared (IR) signals transmitted by a mobile remote unit to an IR receiver which is placed behind a rotating set of signal blocking blinders whose position at any time defines a view angle with a position known with precision resulting in the IR signal r ...


4
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote tracking system particulary for moving picture cameras and method. ParkerVision, Arthur G Yeager, September 16, 1997: US05668629 (36 worldwide citation)

The system includes a base unit sensitive to infrared (IR) signals transmitted by a mobile remote unit to an IR receiver which is placed behind a rotating set of signal blocking blinders whose position at any time defines a view angle with a position known with precision resulting in the IR signal r ...


5
Jeffrey L Parker, David F Sorrells, John D Mix: Camera lens control system and method. ParkerVision, Arthur G Yeager, October 29, 1996: US05570177 (30 worldwide citation)

The system includes distance measuring capability for use in the local and remote control of a camera lens for automatic and programmable control of ZOOM perspective, FOCUS, IRIS and other functions of the camera in conjunction with the programming of an included microcomputer-controlled automatic t ...


6
Mark Edward Kane, James Francis Shockley, John D Mix: Method and system for automatically locating end of train devices. Quantum Engineering, DLA Piper, December 16, 2008: US07467032 (28 worldwide citation)

An end of train unit includes a positioning system such as a GPS receiver and is configured to transmit a message including the EOT unit's location when the EOT unit detects a loss of air pipe pressure and/or it is tipped over and/or a low battery condition is detected. In highly preferred embodimen ...


7
Jeffrey L Parker, David F Sorrells, John D Mix: Camera lens control system and method. ParkerVision, Arthur G Yeager, November 28, 1995: US05471296 (25 worldwide citation)

The system includes distance measuring capability for use in the local and remote control of a camera lens for automatic and programmable control of ZOOM perspective, FOCUS, IRIS and other functions of the camera in conjunction with the programming of an included microcomputer-controlled automatic t ...


8
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote controlled tracking system for tracking a remote control unit and positioning and operating a camera. ParkerVision, Arthur G Yeager, May 14, 1996: US05517300 (17 worldwide citation)

The system includes improvements to a remote tracking system for motion picture as well as still picture cameras. The system provides for improved motor control for PAN and TILT functions including motor turn-off in the event of stall; the use of optical means to provide position feedback through th ...


9
Mark Edward Kane, James Francis Shockley, John D Mix: Method and system for automatically locating end of train devices. Quantum Engineering, DLA Piper Rudnick, Gray Cary US, August 22, 2006: US07096096 (15 worldwide citation)

An end of train unit includes a positioning system such as a GPS receiver and is configured to transmit a message including the EOT unit's location when the EOT unit detects a loss of air pipe pressure and/or it is tipped over and/or a low battery condition is detected. In highly preferred embodimen ...


10
Jeffrey L Parker, David F Sorrells, John D Mix, Richard P Daber: Remote-controlled tracking system for tracking a remote control unit and positioning and operating a camera and method. ParkerVision, Arthur G Yeager, October 1, 1996: US05561519 (13 worldwide citation)

The system includes improvements to a remote tracking system for motion picture as well as still picture cameras. The system provides for improved motor control for PAN and TILT functions including motor turn-off in the event of stall; the use of optical means to provide position feedback through th ...