Abb Ab

Abb Research Ltd.

Hexagon Metrology Ab

Ferrofil A/s

Svein Johannessen

Jan Endresen

Erik Carlson

Ralph Sjöberg

Carl-Erik Gustafsson

Christoffer Apneseth

Steve Tveit Pedersen

Øyvind Holmeide

Tor Skeie

Kjell Kolle

Trond Lokstad

The present invention relates to a method for identifying inaccurate time measurements in a local area network. The local area network comprises a sending device (), such as a time client, a destination device (), such as a timeserver, and a switching device and/or a store-and-forward device (). A time request packet () is rejected if it arrives at the time client or timeserver within a given or calculated minimum distance from the preceding network packet. The time request packet () is also rejected if it falls outside a set of calculated error limits based on a set of estimates. Those estimates are kept in the time client memory and updated according to a given set of rules.

Method for synchronization in a local area network including a store-and-forward device

A method for the signal processing of capacitive measurement scales intended for the measurement of lengths or angles, consisting of two parts moveable relative to each other provided with electrodes that together form condensers, whose magnitudes are variable and depend on the relative position as specified by a sinusoidal relationship between the two parts. The first part has n electrodes evenly distributed over one measurement period and the second part has one electrode per measurement period. The electrodes in the first part are fed with n alternating voltages whereby the time displacements of the alternating voltages relative to each other are , where tis the length of the period of the alternating voltage. The electrode of the second mobile part captures a signal composed of one or several of the alternating voltages and the amplitude composition of the signal depends on the relative position between the two parts.

Method for signal processing of capacitive measurement scales

An industrial robot including a manipulator, a control unit for controlling the manipulator, a portable operating unit for teaching and manually operating the robot, which operating unit is adapted for wireless communication with the control unit, and an emergency stop unit. The emergency stop unit is arranged movable and the portable operating unit includes a first receiving member for receiving the emergency stop unit.

Industrial robot with portable emergency stop unit

An industrial robot system including a plurality of industrial robots. Each robot includes a manipulator, a control unit for automatically operating the manipulator, and a movable key device configured to store information about the identity of the robot to which the moveable key device belongs. A portable operating unit is configured to teach and program the robots. The portable operating unit is adapted for wireless communication with each control unit. The portable operating unit includes a member for receiving one of the moveable key devices, a reader for reading a robot identity from the received moveable device, and a communication establisher for establishing wireless communication between the operating unit and the control unit of the identified robot upon reading the robot identity from the moveable key device.

Industrial robot comprising a portable operating unit which a movable key device for identification of the robot

Method and apparatus for regulating the temperature of a heating element

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Oslo, Norway

Svein Johannessen