US 9,811,986 B2
Method and device for determining an unauthorized intrusion at a door
Maxime Loidreau, Vinay (FR); Julian Bartholomeyczik, Reutlingen (DE); Frank Schindler, Reutlingen (DE); and Qiulu Dai, Reutlingen (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 15/112,221
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Nov. 27, 2014, PCT No. PCT/EP2014/075739
§ 371(c)(1), (2) Date Jul. 18, 2016,
PCT Pub. No. WO2015/110204, PCT Pub. Date Jul. 30, 2015.
Claims priority of application No. 10 2014 201 130 (DE), filed on Jan. 22, 2014.
Prior Publication US 2016/0343217 A1, Nov. 24, 2016
Int. Cl. G08B 13/08 (2006.01)
CPC G08B 13/08 (2013.01) 18 Claims
OG exemplary drawing
 
1. A method for determining the unauthorized intrusion through a door and opening of the door, the door including any closure of an opening in a wall, the method comprising:
a) determining a movement path of the door as a function of time in all three spatial axes by a receiver and evaluation unit using a movement sensor in an active mode;
b) determining parameters, using the receiver and evaluation unit, in all three spatial axes based on the movement path of the door as a function of time, the movement path being determined using the movement sensor, the receiver and evaluation unit determining that an unauthorized intrusion at the door exists when the actual value of a particular parameter is within an assigned parameter range for the unauthorized intrusion, the parameter range being stored in a memory unit;
c) after the unauthorized intrusion at the door has been determined by the receiver and evaluation unit, determining an opening angle of the door using the receiver and evaluation unit using an angle measuring sensor;
d) comparing the opening angle of the door with a threshold value for a closed door using the receiver and evaluation unit;
e) determining, by the receiver and evaluation unit, that the door has been opened when the opening angle exceeds the threshold value for the closed door; and
f) outputting, by the receiver and evaluation unit, an alarm signal if the door has been opened.