Marine navigation assisting apparatus

Marine seismic streamer with depth sensor calibrating means

Marine seismograph cable balancing

Marine streamer position determination system

Master cylinder liquid level alarm

Means for use on a railroad to distinguish between traction curr

Mechanical implementation of unambiguous automotive brake signal

Message control method in a two-way communication system

Message delivery for appliances and method therefore

Message display control in selective call receiver

Message receiving apparatus and a method of receiving a message

Message transmission to external unit in radio apparatus

Messaging terminal with voice notification

Method and a circuit arrangement for modifying control informati

Method and apparatus for activating a crash countermeasure...

Method and apparatus for calculating the green light time in tra

Method and apparatus for controlling access to a facility

Method and apparatus for controlling vehicle directional lamps

Method and apparatus for determining the profile of an underwate

Method and apparatus for diagnosing failure in idle switch for i