Technology Offers Electrical Engineering



Device for Registering the Occupancy of Tracks in Railway Traffic

A very common method for determining the occupancy of a rail track are the so-called track circuits.  This method involves applying a low voltage to a pair of rail tracks which are isolated from the rest of the network and monitoring whether the voltage is short-circuited by the wheels and axles of a passing train. Rust and dirt that may cover the rail surface over time can create significant problems. The present invention consists of a device that allows to break through the insulating surface and thus ensures reliable signalling.  This is achieved by creating sparks between the carriage wheels and the rails. Advantages: no modifications required to the track network, can be implemented in cross border traffic, low costs, independent of the electricity network, etc. 

 

 

 

Self-monitoring of Breakdown in Integrated Semiconductor Devices

The breakdown monitoring which is the object of this invention is achieved in real time by means of a photo diode which is integrated in the semiconductor device.  During a breakdown, a p-n junction always emits light.  It is this light emission that is recorded by the photo diode which is integrated in close proximity of the junction.  In response to the strength of the light emission, one can then adjust the voltage or current that is applied to, resp. passes through the junction. Advantages: increased power of transistors, e.g. in oscillator circuits (radar, etc), increased reliability of ICs, increased operating range, protection from destruction.

 

 

 

Processor with Integrated Real-Time Garbage Collection

New processor with integrated garbage collection allows dynamic memory management in real-time systems. The use of modern programming languages such as Java possible

 

 

Process and Hardware Implementation for the Generation of Reproducible Secret Keys in Lithographic Production Processes

The invention consists of a method for the generation of reproducible secret keys in products which were manufactured by means of lithographic production processes, such as chips.

 

 

HiVP-CMOS (High Voltage-High Power-CMOS)

A novel arrangement, namely cascading with “resistive diode boosting”, makes it possible to increase the output voltage of MOS power amplifiers. The invention limits the break down voltage by means of a limiting path between gate and drain.  This path has a defined resistance and can be switched on or off.  Additionally, it is possible to adopt a parallel configuration for high current applications.