Emergency call receiving unit for task forces for expediting rescue operations by transmitting a locating signal repeatedly from a vehicle involved in an emergency

1. An emergency call unit for a vehicle, comprising:

a detection unit for detecting at least one vehicle involved in an accident that generates a trigger event;

a control unit for generating a locating signal;

a transmitting unit for repeated transmission of the locating signal to a receiver, the repeated transmission of the locating signal being triggered by the trigger event, wherein the locating signal permits the at least one accident involved vehicle to be found; and

a display unit configured to display a display key, wherein the display key corresponds to at least two of a number of the rescue guideline to be used, a reception field strength of a rescue signal, a received signal strength indication (RSSI) for a rescue signal, a color of the vehicle, a type of the vehicle, and a number of passengers,

wherein the number of the rescue guideline for guiding a rescue operation for the at least one accident involved vehicle and the RSSI for the rescue signal are received as a function of the reception field strength of the detection unit of the locating signal when the at least one accident involved vehicle is found.

2. The emergency call unit as claimed in claim 1 , wherein the transmitting unit is one of a radio key of the vehicle and a vehicle-mounted transceiver and the locating signal is recorded over a time interval.

3. The emergency call unit as claimed in claim 1 , further comprising:

a position detection unit for detecting a position of the vehicle is present,

wherein the locating signal is based on the detected position.

4. The emergency call unit as claimed in claim 1 , wherein the locating signal is transmitted at regular time intervals.

5. The emergency call unit as claimed in claim 1 , wherein the transmitting unit is configured to transmit the locating signal based on at least one of WLAN 802.11p Standard, WLAN 802.11a/b/g/n Standard, WiMax Standard, Bluetooth Standard, IEEE 802.15.4 Standard, ZigBee Standard and a cellular radio standard.

6. The emergency call unit as claimed in claim 1 , wherein at least one of an accident of the vehicle and an electronic emergency call, which has already been output by the vehicle, are evaluated as the trigger event by the emergency call receiving unit.

7. The emergency call unit as claimed in claim 1 , wherein the emergency call receiving unit is configured to receive a search signal transmitted by the receiver,

wherein the search signal is evaluated as the trigger event.

8. The emergency call unit as claimed in claim 7 , wherein the search signal is evaluated as the trigger event by the emergency call receiving unit only if the one of an accident of the vehicle or an outputting of an electronic emergency call has been detected.

9. The emergency call unit as claimed in claim 1 , wherein the emergency call receiving unit is carries out parallel transmission of the locating signal on a plurality of transmission paths.

10. The emergency call unit as claimed in claim 1 , wherein the control unit passes on the locating signal and other data to the transmitting unit for transmission.

11. The emergency call unit as claimed in claim 1 , wherein the transmitting unit is designed to transmit the locating signal and further information to adjacent vehicles.

12. The emergency call unit as claimed claim 1 , wherein the emergency call receiving unit is configured for receiving a control signal transmitted by the receiver, and the received control signal controls a function of a system component of the vehicle to be activated by the emergency call receiving unit.

13. The emergency call unit as claimed in claim 1 , wherein a communication signal received by the emergency call receiving unit that is associated with a reported theft of the vehicle is the trigger event of the emergency call receiving unit.