US 11,667,262 B2
Seat belt buckle system
Aidu Ots, Saue Sity (EE); Larissa Melnikova, Tallinn (EE); Ole Scharnberg, Hamburg (DE); and Stephan Ruchhoeft, Elmshorn (DE)
Assigned to AUTOLIV DEVELOPMENT AB, Vargarda (SE)
Appl. No. 16/755,200
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Oct. 8, 2018, PCT No. PCT/EP2018/077287
§ 371(c)(1), (2) Date Apr. 10, 2020,
PCT Pub. No. WO2019/072748, PCT Pub. Date Apr. 18, 2019.
Claims priority of application No. 102017123640.6 (DE), filed on Oct. 11, 2017.
Prior Publication US 2020/0254966 A1, Aug. 13, 2020
Int. Cl. B60R 22/48 (2006.01)
CPC B60R 22/48 (2013.01) [B60R 2022/4816 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A seat belt buckle system comprising, a seat belt buckle and a belt tongue inserted into the seat belt buckle in an inserted state, wherein an RFID transponder is arranged in or on the belt tongue and an RFID reading unit is arranged in the seat belt buckle, wherein the RFID transponder is arranged inside a blind hole with an opening formed in a metal plate of the belt tongue, and wherein radiation emitted by the RFID transponder is directed to the opening of the blind hole faced to the RFID reading unit of the seat belt buckle defined as a predetermined orientation of the belt tongue such that the RFID reading unit and the RFID transponder are coupled when the belt tongue is inserted into the seatbelt buckle in the predetermined orientation, and wherein the coupling between the RFID reading unit and the RFID transponder is possible at a distance between the RFID reading unit and the RFID transponder of up to 3 cm.