Sensor unit and control system of the same

• US 6,653,576 B2
• Filed: 05/17/2001
• Issued: 11/25/2003
• Est. Priority Date: 05/23/2000
• Status: Expired due to Fees

• Current Assignee: Yazaki Corporation
• Original Assignee: Yazaki Corporation
• Inventors: Suzuki, Katsuji, Ikoma, Toshihiko
• Primary Examiner(s): Gibson, Randy
• Application Number:
  US09/858,548
• Publication Number:
  US 20010047892A1
• Time in Patent Office: 922 Days
• Field of Search: 177/25.11, 177/25.12, 177/25.13, 177/50, 177/136-141, 73/11.3, 702/101
• US Class Current: 177/25.13
• CPC Class Codes: G01G 19/08 for incorporation in vehicles
• CPC Class Codes: G01G 23/3728 with wireless means

Abstract

A sensor unit having a sensor and an adjustment unit is welded to a vehicle. After the mounting of the sensor unit, a receiver unit externally receives modification information for modifying the load signal adjustment. Thereby, the load signal outputted from the sensor is adjusted by the adjustment unit responsive to the modification information to be externally outputted. Thus, alter the mounting of the sensor unit, the receiver unit receives the modification information, and the adjustment unit adjusts the load signal supplied from the sensor based on the modification information. This allows the sensor unit to unitarily have the sensor and the adjustment unit. Thereby, the adjustment unit can be modified by the modification information externally supplied. Accordingly, the sensor unit with the adjustment unit can be applied to various types of vehicles.

Claims

1. A sensor unit control system comprising:

a sensor unit having a unit main body unitarily including a sensor fitted to an automobile vehicle for producing a load signal responsive to a load carried by the vehicle and an adjustment means adjusting the load signal supplied from the sensor to output externally the adjusted load signal, wherein the sensor unit includes a receiver means positioned outside of the unit main body for receiving modification information for modifying the adjustment of the load signal, and the adjustment means adjusts the load signal to output the load signal after the receiver means receives the modification information,

said sensor unit control system further comprising;

a modification information producing means for producing a modification information responsive to a state of the vehicle,

a transmission means for transmitting the modification information produced by the modification information producing means to the receiver means of the sensor unit, and

a load data receiver means for receiving load data which are outputted from the sensor unit, the load data being related to the load signal,

wherein the modification information producing means produces the modification information based on a pre-provided vehicle weight data and the load data received by the receiver means.

2. The sensor unit control system set forth in claim 1, wherein the receiver means serves as a coupler for coupling an external instrument.

3. The sensor unit control system set forth in claim 1, wherein the receiver means receives externally an output timing signal of the load signal, and the adjustment means outputs the load signal in response to the output timing signal received by the receiver means.

4. The sensor unit control system set forth in claim 1 further comprising a vehicle weight measuring means for measuring a vehicle weight of the vehicle to output vehicle weight data and a vehicle weight receiver means for receiving the vehicle weight data from the vehicle weight measuring means, wherein the modification information producing means provides the vehicle load data based on the vehicle weight data received by the vehicle weight receiver means.