Wolfgang Konrad

Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type

Identification system for verifying an authorization for access to an object, or use of an object, in particular a motor vehicle

Dual toll system

Access control system with limited evaluation of code and distance information

Device for temporarily overcoming the loss of a satellite navigation signal, for satellite navigation-based dual toll systems

Method and system for data communication between a read/write device and a mobile memory device based on transfer-time measurement

Method for enabling the operation of automation components of a technical system via a mobile control and monitoring device

Automatic function control of an antenna unit of a vehicle-mounted toll unit of an electronic toll system

Devices and methods for simplifying ocr-based enforcement in automatic toll systems

Antenna system with two antennas for read write device for data transmission