Movable barrier operator

• Main Authors: COLIN B WILMOTT, PAUL E WANIS, JAMES J FITZGIBBON
• Format: Patent
• Language: English
• Published: 30.07.2003
• Edition: 7
• Subjects: CHECKS FOR WINGS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; FIXED CONSTRUCTIONS; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GENERATION; KEYS; LOCKS; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PERFORMING OPERATIONS; PHYSICS; REGULATING; SAFES; TRANSPORTING; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

A movable barrier operator having an electrical motor responsive to control signals for moving the barrier, a controller to control the barrier movements, and two command apparatuses for generating command inputs, which command apparatuses are located remotely from each other. The first command appa...