Vehicle seat belt apparatus
First Claim
1. A vehicle seat belt apparatus, comprising:
- a motor for driving a belt reel having a belt wound thereon;
a trigger configured to detect a change in a traveling state of a vehicle to output an activation signal that instructs activation of said motor;
a lateral acceleration detector configured to detect lateral acceleration acting on the vehicle;
a slip state detector configured to detect a slip state quantity of the vehicle; and
a control configured to, when the activation signal output by said trigger has been received, control an amount of current supply for activating said motor on the basis of at least one of a signal of the lateral acceleration output by said lateral acceleration detector and a signal of the slip state quantity output by said slip state detector,wherein said control increases the amount of current supply to said motor as at least one of the lateral acceleration and the slip state quantity increases,wherein said control obtains a first current amount determined on the basis of the lateral acceleration detected via said lateral acceleration detector and a second current amount determined on the basis of the slip state quantity detected via said slip state detector, and said control determines the amount of current supply to said motor by comparing the first and second current amounts and selecting a smaller of the first and second current amounts.
1 Assignment
0 Petitions
Accused Products
Abstract
Vehicle seat belt apparatus includes: a motor for driving a belt reel having a belt wound thereon; a trigger section for detecting a change in a traveling state of a vehicle to output an activation signal that instructs or triggers activation of the motor; a lateral acceleration detection section for detecting lateral acceleration acting on the vehicle; a slip state detection section for detecting a slip state quantity of the vehicle; and a control section for, in response to receipt of the activation signal from the trigger section, controlling the amount of current supply for activating the motor on the basis of a signal of the lateral acceleration output by the lateral acceleration detection section and/or a signal of the slip state quantity output by the slip state detection section.
45 Citations
11 Claims
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1. A vehicle seat belt apparatus, comprising:
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a motor for driving a belt reel having a belt wound thereon; a trigger configured to detect a change in a traveling state of a vehicle to output an activation signal that instructs activation of said motor; a lateral acceleration detector configured to detect lateral acceleration acting on the vehicle; a slip state detector configured to detect a slip state quantity of the vehicle; and a control configured to, when the activation signal output by said trigger has been received, control an amount of current supply for activating said motor on the basis of at least one of a signal of the lateral acceleration output by said lateral acceleration detector and a signal of the slip state quantity output by said slip state detector, wherein said control increases the amount of current supply to said motor as at least one of the lateral acceleration and the slip state quantity increases, wherein said control obtains a first current amount determined on the basis of the lateral acceleration detected via said lateral acceleration detector and a second current amount determined on the basis of the slip state quantity detected via said slip state detector, and said control determines the amount of current supply to said motor by comparing the first and second current amounts and selecting a smaller of the first and second current amounts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle seat belt apparatus, comprising:
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a motor for driving a belt reel having a belt wound thereon; a trigger configured to detect a change in a traveling state of a vehicle to output an activation signal that instructs activation of said motor; a lateral acceleration detector configured to detect lateral acceleration acting on the vehicle; a slip state detector configured to detect a slip state quantity of the vehicle; and a control configured to, when the activation signal output by said trigger has been received, control an amount of current supply for activating said motor on the basis of at least one of a signal of the lateral acceleration output by said lateral acceleration detector and a signal of the slip state quantity output by said slip state detector, wherein said control obtains a first current amount determined on the basis of the lateral acceleration detected via said lateral acceleration detector and a second current amount determined on the basis of the slip state quantity detected via said slip state detector, and said control determines the amount of current supply to said motor by comparing the first and second current amounts, wherein said control selects one of the first and second current amounts as the amount of current supply to said motor, wherein said control determines if the selected current amount falls within a predetermined range defined by an upper current amount limit and a lower current amount limit, if the selected current amount falls within the predetermined range, the selected current amount is the amount of current supply to said motor, and if the selected current amount falls outside the predetermined range, the selected current amount is adjusted so that it falls within the predetermined range and the adjusted current amount is the amount of current supply to said motor. - View Dependent Claims (11)
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Specification