Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2006-12-14
2009-08-11
Duda, Rina I (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S443000, C318S283000, C049S026000, C049S281000, C049S002000
Reexamination Certificate
active
07573221
ABSTRACT:
A wireless control system can be used to selectively adjust the position of a liftgate platform with respect to a vehicle cargo hold. The wireless control system includes a transmitter for use in transmitting a wireless control signal, a receiver that receives the wireless control signal transmitted by the transmitter and communicates a corresponding control signal to an actuation device to adjust the platform and, a transmitter detection system that prevents the actuation device from operating unless the transmitter is positioned in a predetermined location.
REFERENCES:
patent: 5851050 (1998-12-01), Squire et al.
patent: 6411054 (2002-06-01), Van Wiemeersch
patent: 2003/0044266 (2003-03-01), Vandillen et al.
Lodar Wireless Solutions—Lodar Industrial Radio Wireless Remote Controls, website: http://www.lodar.com/, Jun. 13, 2005.
Alta Resources—Wireless Motor Control System, website: http://dicor.com/alta.html, Jun. 13, 2005.
Bennett Timothy D.
Duda Rina I
Emerson Roger D.
Emerson, Thompson & Bennett
Waltco Truck Equipment Company
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