Electricity: motive power systems – Motor-reversing
Reexamination Certificate
2007-12-06
2009-12-22
Benson, Walter (Department: 2837)
Electricity: motive power systems
Motor-reversing
C318S266000, C318S282000, C318S283000
Reexamination Certificate
active
07635960
ABSTRACT:
An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least one mobile transmitter that automatically and periodically generates at least one mobile signal detectable by the base receiver. The base controller selectively generates barrier movement commands upon receipt of the at least one mobile signal in an operate mode. The operator and the mobile transmitter both include transceivers to allow two-way communication therebetween during a learn mode. Such a system allows for hands-free operation of the access barrier. A discrete processing system may also be used to retrofit existing barrier operator systems for use in hands-free operation.
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Hands-Free Actuation of Remote Controls; Nerac Document No. (NDN) 085-00002-0080-9; author Unknown; published Apr. 23, 2004.
Mamaloukas Jason L.
Mullet Willis J.
Benson Walter
McCloud Renata
Renner Kenner Greive Bobak Taylor & Weber
Wayne-Dalton Corp.
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