Event information collecting system for vehicle and method for collecting event information on vehicle
First Claim
1. An event information collecting system installed on a vehicle, comprising:
- a status information acquiring device that acquires and generates vehicle status information;
a control device connected to the status information acquiring device;
a storage device connected to the control device;
a main power supply that supplies electric power to the control device; and
an auxiliary power supply that supplies electric power to the control device when supply of power from the main power supply is stopped, whereinthe control device acquires the vehicle status information and a condition of the main power supply at the same time at predetermined sampling intervals, the acquired vehicle status information is associated with the acquired condition of the main power supply, the control device stores, in the storage device, the acquired vehicle status information generated from the status information acquiring device and the acquired condition of the main power supply, at the time of occurrence of a given event;
wherein, when the vehicle status information and the condition of the main power supply are stored in the storage device, the control device stores the vehicle status information and the condition of the main power supply in a given region of a portion of the storage device while overwriting previous data present in the given region;
wherein the condition of the main power supply includes an on-state in which electric power is supplied from the main power supply or an off-state in which no electric power is supplied from the main power supply, a point is distinguished between presently stored vehicle status information and previously stored vehicle status information as a point at which the condition of the main power supply changes from the off-state to the on-state in order to identify the stored vehicle status information after the point at which the condition of the main power supply changes from the off-state to the on-state as previously stored vehicle status information.
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Accused Products
Abstract
An event information collecting system installed on a vehicle includes a status information acquiring device that acquires and generates vehicle status information, a control device that receives the vehicle status information generated from the status information acquiring device, a storage device connected to the control device, a main power supply that supplies electric power to the control device, and an auxiliary power supply that supplies electric power to the control device when supply of power from the main power supply is stopped. In the event information collecting system, the control device stores, in the storage device, the vehicle status information generated from the status information acquiring device and a condition of power supply from the main power supply, at the time of occurrence of a given event.
16 Citations
8 Claims
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1. An event information collecting system installed on a vehicle, comprising:
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a status information acquiring device that acquires and generates vehicle status information; a control device connected to the status information acquiring device; a storage device connected to the control device; a main power supply that supplies electric power to the control device; and an auxiliary power supply that supplies electric power to the control device when supply of power from the main power supply is stopped, wherein the control device acquires the vehicle status information and a condition of the main power supply at the same time at predetermined sampling intervals, the acquired vehicle status information is associated with the acquired condition of the main power supply, the control device stores, in the storage device, the acquired vehicle status information generated from the status information acquiring device and the acquired condition of the main power supply, at the time of occurrence of a given event; wherein, when the vehicle status information and the condition of the main power supply are stored in the storage device, the control device stores the vehicle status information and the condition of the main power supply in a given region of a portion of the storage device while overwriting previous data present in the given region; wherein the condition of the main power supply includes an on-state in which electric power is supplied from the main power supply or an off-state in which no electric power is supplied from the main power supply, a point is distinguished between presently stored vehicle status information and previously stored vehicle status information as a point at which the condition of the main power supply changes from the off-state to the on-state in order to identify the stored vehicle status information after the point at which the condition of the main power supply changes from the off-state to the on-state as previously stored vehicle status information. - View Dependent Claims (2, 3, 4, 5)
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6. A method for collecting event information on a vehicle, using a system including a control device, a storage device connected to the control device, a main power supply that supplies electric power to the control device, and an auxiliary power supply that supplies electric power to the control device when supply of power from the main power supply is stopped, comprising:
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acquiring vehicle status information and a condition of the main power supply at the same time at predetermined sampling intervals, the acquired vehicle status information is associated with the acquired condition of the main power supply, the condition of the main power supply is either an on-state in which electric power is supplied from the main power supply or an off-state in which no power is supplied from the main power supply; determining whether a given event occurred; storing the acquired vehicle status information and the acquired condition of the main power supply in the storage device when it is determined that the given event occurred, when the vehicle status information and the condition of the main power supply are stored in the storage device, the control device stores the vehicle status information and the condition of the main power supply in a given region of a portion of the storage device while overwriting previous data present in the given region; and determining a distinguishing point between presently stored vehicle status information and previously stored vehicle status information as a point in which the condition of the main power supply changes from the off-state to the on-state in order to identify the stored vehicle status information after the point at which the condition of the main power supply changes from the off-state to the on-state as previously stored vehicle status information. - View Dependent Claims (7, 8)
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Specification