Method and application to mark a threshold of distance

摘要

The method involves the use of a system of at least two separate electronic components with a wireless connection and at least one key for activating and deactivating the components. The components use similar transmitters (1) and receivers (2) to maintain the connection and to measure the distance between them. Each component is triggered to signal if the distance exceeds or falls below limits : An independent claim is also included for the following: (a) an arrangement for securing valuables against theft.