Belt buckle for a motor vehicle
First Claim
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1. In combination with a motor vehicle having a seat belt with a tongue, a belt buckle configuration comprising:
- a belt buckle configured to mechanically receive the tongue of the seat belt;
a switch operatively connected to said belt buckle, said switch being configured to detect an insertion status of the tongue of the seat belt;
a communicating device operatively connected to said switch, said communicating device including an electromechanical energy converter and a transmitting device, said electromechanical energy converter including an induction generator, said induction generator generating energy when said switch changes a switch position and supplying the energy to said transmitting device;
said induction generator including a magnet and a coil;
said belt buckle including a belt buckle spring configured to provide a movement during latching or releasing the tongue such that said magnet and said coil move relative to one another for inducing a voltage; and
a receiver circuit operatively connected to said communicating device, said communicating device being configured to wirelessly communicate the switch position of said switch to said receiver circuit.
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Abstract
A belt buckle for a motor vehicle is provided wherein, through the use of the belt buckle, a tongue of a seat belt is mechanically receivable and, through the use of a switch, an insertion status of the tongue is detectable. A device is assigned to the switch through the use of which the switch position of the switch is wirelessly communicable to a receiver circuit.
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Citations
7 Claims
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1. In combination with a motor vehicle having a seat belt with a tongue, a belt buckle configuration comprising:
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a belt buckle configured to mechanically receive the tongue of the seat belt; a switch operatively connected to said belt buckle, said switch being configured to detect an insertion status of the tongue of the seat belt; a communicating device operatively connected to said switch, said communicating device including an electromechanical energy converter and a transmitting device, said electromechanical energy converter including an induction generator, said induction generator generating energy when said switch changes a switch position and supplying the energy to said transmitting device; said induction generator including a magnet and a coil; said belt buckle including a belt buckle spring configured to provide a movement during latching or releasing the tongue such that said magnet and said coil move relative to one another for inducing a voltage; and a receiver circuit operatively connected to said communicating device, said communicating device being configured to wirelessly communicate the switch position of said switch to said receiver circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification