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US 9,090,269 B2Granted
Key lock and arrangement having a key lock
AssigneeSiemens Aktiengesellschaft
InventorsOlaf Vogt, Wolfgang Windolf, Peter Ziegler
Life of this patent
Estimating the term…
Abstract
A key lock which can be used particularly flexibly and cost-effectively has a communication device for wire-free linking of the key lock to an actuating mechanism. The key lock further has a cable-independent power supply device for autonomously providing the electrical power required for extended operation of the key lock.
Claims5
A key lock, comprising:
- a communication device for wirelessly linking the key lock to a signal box;
- a line-independent power supply device for autonomously providing electrical power needed for operating the key lock;
- a sensor device for detecting a presence or non-presence of a key of the key lock and the key lock wirelessly transmitting an information signal via said communication device, specifying a presence or a non-presence of the key, to the signal box;
- and
- an actuator device for releasing or blocking a removal of the key from the key lock and the key lock wirelessly receiving a release signal, from the signal box, specifying permission or the blocking of the removal of the key.
2 more elements
A key lock configuration, comprising:
- a signal box;
- a key lock containing a communication device for wirelessly linking said key lock to said signal box, said key lock containing:
- a key;
- a sensor device for detecting a presence or non-presence of said key and said key lock wirelessly transmitting an information signal via said communication device, specifying a presence or a non-presence of said key, to said signal box;
- and
- an actuator device for releasing or blocking a removal of said key from said key lock and said key lock wirelessly receiving a release signal, from said signal box, specifying permission or the blocking of the removal of the key;
- a line-independent power supply device for autonomously providing electrical power needed for operating said key lock;
- and
- at least one switching element secured by said key lock.
6 more elements
Dependencies are inferred from the claim text.