JPS6488205A - Car height sensor for car - Google Patents
Car height sensor for carInfo
- Publication number
- JPS6488205A JPS6488205A JP24659687A JP24659687A JPS6488205A JP S6488205 A JPS6488205 A JP S6488205A JP 24659687 A JP24659687 A JP 24659687A JP 24659687 A JP24659687 A JP 24659687A JP S6488205 A JPS6488205 A JP S6488205A
- Authority
- JP
- Japan
- Prior art keywords
- incident light
- car
- electrodes
- slit
- unidimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE:To continuously measure a change in a car height and to enhance durability and reliability, by fixing one of a combination of a light source with a unidimensional position detecting element and a slit shutter to a car body member and moving the other one in connection with the up-and-down displacement of a wheel support member with respect to the car body member. CONSTITUTION:A unidimensional position detecting element 3 is constituted so that the photocurrent generated by the incident light from a light source 1 is split so as to be inversely proportional to the distance from the position of the incident light to the electrodes at both terminals of the element 3. Therefore, by taking the sum and difference of the photocurrents I1, I2 taken out from both electrodes using an operation circuit 4, the position of the incident light can be calculated. Then, a slit shutter 2 is moved from the position of a drawing (a) to the position of a drawing (b) and, with this movement, a slit 2a is allowed to exceed the center of the element 3 to reach the position opposed to the under side. Whereupon, the magnitude relation of the current I1, I2 from both electrodes is reversed by the movement of the position of the incident light to the element 3 but the moving quantity of the position of the incident light can be continuously calculated by the operation of the circuit 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24659687A JPS6488205A (en) | 1987-09-30 | 1987-09-30 | Car height sensor for car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24659687A JPS6488205A (en) | 1987-09-30 | 1987-09-30 | Car height sensor for car |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6488205A true JPS6488205A (en) | 1989-04-03 |
Family
ID=17150768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24659687A Pending JPS6488205A (en) | 1987-09-30 | 1987-09-30 | Car height sensor for car |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6488205A (en) |
-
1987
- 1987-09-30 JP JP24659687A patent/JPS6488205A/en active Pending
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