Electronic safe door unlatching operations
First Claim
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1. A latch system for vehicle doors of a vehicle, the latch system comprising:
- a powered latch including a powered actuator that is configured to unlatch the powered latch;
an interior unlatch input feature that can be actuated by a user to provide an unlatch request;
a controller operatively connected to the powered latch and the interior unlatch input feature;
a control system including at least one sensor configured to collect data of the vehicle, and a restraints control module, operably connected to the at least one sensor, the restraint control module configured to collect the data from the at least one sensor and to determine if a crash even has occurred;
wherein, the control system analyses the collected data and send it to the controller, the controller causes the powered latch to unlatch if predefined unlatch criteria exist, wherein the predefined unlatch criteria comprises actuation of the interior unlatch feature at a first time and at least one additional user input that occurs within a predefined first time interval from the first time, unless the control system determines that a vehicle crash has occurred at a second time, in which case the controller does not cause the powered latch to unlatch even if the predefined unlatch criteria exist during a predefined second time interval from the second time, such that the controller does not cause the powered latch to unlatch until after the second time interval.
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Abstract
A powered latch system for motor vehicles includes at least one powered latch that can be controlled based, at least in part, on vehicle operating conditions. The system may be configured to control unlatching of the vehicle doors utilizing data relating to the vehicle speed and/or the existence of a crash event. The powered latch system can be configured as required for various vehicles, and to accommodate specific operating requirements with respect to child locks in various geographic jurisdictions.
386 Citations
13 Claims
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1. A latch system for vehicle doors of a vehicle, the latch system comprising:
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a powered latch including a powered actuator that is configured to unlatch the powered latch; an interior unlatch input feature that can be actuated by a user to provide an unlatch request; a controller operatively connected to the powered latch and the interior unlatch input feature; a control system including at least one sensor configured to collect data of the vehicle, and a restraints control module, operably connected to the at least one sensor, the restraint control module configured to collect the data from the at least one sensor and to determine if a crash even has occurred; wherein, the control system analyses the collected data and send it to the controller, the controller causes the powered latch to unlatch if predefined unlatch criteria exist, wherein the predefined unlatch criteria comprises actuation of the interior unlatch feature at a first time and at least one additional user input that occurs within a predefined first time interval from the first time, unless the control system determines that a vehicle crash has occurred at a second time, in which case the controller does not cause the powered latch to unlatch even if the predefined unlatch criteria exist during a predefined second time interval from the second time, such that the controller does not cause the powered latch to unlatch until after the second time interval. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A latch system for vehicle doors of a vehicle, the latch system comprising:
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a powered latch including a powered actuator that is configured to unlatch the powered latch; an interior unlatch input feature that can be actuated by a user to provide an unlatch request; an interior unlock input feature that can be actuated by a user to provide an unlock request; a controller operatively connected to the powered latch and the interior unlatch input feature; a control system including at least one sensor configured to collect data of the vehicle, and a restraints control module, operably connected to the at least one sensor, the restraint control module configured to collect the data from the at least one sensor and to determine if a crash even has occurred, the control system further including a first and a second data networks that are operatively interconnected by a Digital Logic Gateway Controller (DLC); wherein the control system analyses the collected data and send it to the controller;
the controller is configured such that it does not unlatch the powered latch if a vehicle speed is greater than a predefined value unless the interior unlock feature is actuated followed by actuation of the interior unlatch feature within a predefined time interval following actuation of the interior unlock feature; andthe controller unlatches the powered latch if predefined unlatch criteria exist, wherein the predefined unlatch criteria comprises actuation of the interior unlatch feature at a first time and at least one additional user input that occurs within a predefined first time interval from the first time, unless the control system determines that a vehicle crash has occurred at a second time, in which case the controller does not cause the powered latch to unlatch even if the predefined unlatch criteria exist during a predefined second time interval from the second time, such that the controller does not cause the powered latch to unlatch until after the second time interval. - View Dependent Claims (13)
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Specification