Matches 1 - 27 out of 27
Match Document Document Title
6995682 Wireless remote control for a winch  
A wireless winch control system having a wireless remote transmitter for transmitting AM/PWM modulated signals. A processor in the wireless remote transmitter periodically transmits control signals...
6980121 Method for operating a radio remote control system  
A method for operating a radio remote control system having a transmitting unit and a receiving unit, composed of: following the termination of a radio connection between the transmitting unit and...
6894448 Direct current motor condition monitoring and exercising system  
Hydraulically actuated aerial lift trucks typically have a primary hydraulic pump system driven by the vehicle's engine and a backup pump system driven by a direct current motor. Due to infrequent...
6634514 Control monitoring device for tower cranes  
The invention relates to a control monitoring device for tower cranes, in particular for small cranes, with integration of functions, and adapted for radio control. The device comprises, in respect...
EP1340708A1 Elevating work platform, and assembling method with such a work platform  
The lifting unit, comprising a motorised trolley (2, 5) with a telescopic arm (6) fitted with a load support (7), has a receiver (11) for signals from a remote control unit (10) to operate the...
6405114 Aerial work platform boom having ground and platform controls linked by a controller area network  
An aerial work platform supported by a riser boom, a telescoping main boom, and a jib boom. Boom movement may be controlled by a platform control module or a ground control module connected to a...
EP1149796A2 Control device for tower cranes  
Device comprises an electronic control device (2) that receives a control signal (4) from a radio control device (3). In addition it receives signals (5, 7, 9, 13, 15, 17, 19, 21) from sensors (6,...
6272413 Safety system for boom-equipped vehicle  
While a crawler body 110 is traveling, infrared sensors 144 and an elevational difference calculator 132 incorporated in a controller 130 detects the magnitude of a step present ahead of the...
6091341 Remote control security system for determining that identification data has been repetitively received continuously during a period of time  
The remote control security system includes a receiver which receives communication data, including identification data, from a transmitter. The system also includes a device for locking and...
5442346 Remote control transmitting device of robot  
A remote control transmitting device for a robot includes a secret number switching unit for inputting user's secret numbers; a function selecting switch for allowing the user to select a robotic...
4904916 Electrical control system for stairway wheelchair lift  
A stairway wheelchair lift includes a stationary motor drive unit, a mobile platform movable along a stairway and a user interface for receiving user-generated input commands. The mobile platform...
4833615 System for the protection of an aerial device having a pivotable boom  
A mobile aerial device, which also has deployable outriggers, has sensors for the outrigger-supported weight, sensors for boom azimuth, elevation and extension, and sensors for other boom...
4740712 Truck boom commander  
A housing for a command system for cranes, derricks or the like, includes an inner enclosure disposed within an outer enclosure with insulating spaces therebetween. Both the inner and outer...
4697979 Robot system safety method  
A safety method in a robot system including at least a robot (1), peripheral equipment (2-5) serviced by the robot, a robot control unit (6) which causes the robot to execute predetermined services...
4679653 Highly maneuverable insulated man lifting aerial crane for use in servicing overhead high-voltage electrical transmission lines  
A powerful, highly maneuverable, man-lifting crane has three vertically articulating sections which swivel on a common turret for horizontal positioning, the third or outer section of the group...
EP0217294A2 Highly maneuverable insulated man lifting aerial crane for use in servicing overhead high-voltage electrical transmission lines.  
Abstract not available for EP0217294 Abstract of corresponding document: US4679653 A powerful, highly maneuverable, man-lifting crane has three vertically articulating sections which swivel on a...
4614274 Control system for automatic material handling crane  
An automatic material handling crane system services a plurality of stations in an industrial plant. The system includes a crane which is movable on a track, a mast which is carried by the crane,...
4566599 Telecontrol system for cranes  
A control for a crane having a plurality of pressure-activated clutches with a control panel in the cab on a swingable upper works. A lightweight portable control panel is connected by an umbilical...
4519068 Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system  
A data communications system is described in which variable length messages are communicated between a general communications controller (GCC) and a plurality of portable and mobile radios. The...
4517669 Method and apparatus for coding messages communicated between a primary station and remote stations of a data communications system  
A data communications system is described in which variable length messages are communicated between a general communications controller (GCC) and a plurality of portable and mobile radios. The...
4456132 Control system for automatic material handling crane  
An automatic material handling crane system services a plurality of stations in an industrial plant. The system includes a crane which is movable on a track, a mast which is carried by the crane,...
4427121 Hydraulic valve control for aerial book devices  
A hydraulic control system which is of an open center parallel circuit arrangement for aerial boom devices with two return lines, said system having control valves for upper and lower boom arms,...
4380796 Portable control box for computer numerically controlled machine tools  
Remote control of a computer numerically controlled (CNC) machine tool is facilitated by an intelligent portable control box coupled to the CNC machine tool through a radio frequency link,...
4206411 Radio controlled model aircraft control system  
A method and apparatus are disclosed for the emergency control of model aircraft. The incoming signals to the model are screened and, if missing or outside acceptable limits, the screened signals...
4074234 Control system for an aerial device  
A remote control system for a derrick, having an encoder network for producing a plurality of differing electrical control signal frequencies at one location on the derrick and a discriminator...
3990047 Burst transmission control system  
A burst transmission remote control system in which the information about the functions of N transmission channels are indicated by (N + 1) intervals between (N + 2) narrow pulses which are...
3809182 REMOTE CONTROL CIRCUITS FOR HYDRAULIC MOTORS  
A simplified remote control system for a plurality of hydraulic motors in which the transmitter and receiver controllers are simplified by providing for only a single proportional control member at...
Matches 1 - 27 out of 27