JPS56154611A - Odometer for vehicle - Google Patents
Odometer for vehicleInfo
- Publication number
- JPS56154611A JPS56154611A JP5796380A JP5796380A JPS56154611A JP S56154611 A JPS56154611 A JP S56154611A JP 5796380 A JP5796380 A JP 5796380A JP 5796380 A JP5796380 A JP 5796380A JP S56154611 A JPS56154611 A JP S56154611A
- Authority
- JP
- Japan
- Prior art keywords
- nonvolatile memory
- counter
- running distance
- counting
- mos
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
- G01C22/02—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers by conversion into electric waveforms and subsequent integration, e.g. using tachometer generator
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Distances Traversed On The Ground (AREA)
Abstract
PURPOSE:To reliably hold a running distance data, by a method wherein the integation of a running distance is such that counting for a lower digit range is performed by means of a C-MOS counter and counting for a higher digit range is conducted by means of a nonvolatile counter. CONSTITUTION:A pulse from a distance sensor 1 is counted up to 1km unit of a running distance by means of a C-MOS counter 2a. When an end around carry to 10km is made with the progress of counting, a carry device 4b reads data in a nonvolatile memory 4a, and after 1 is added, the addition is written in the nonvolatile memory 4a. A reading device 9 reads a 10km unit digit or more, out of digits indicating a running distance indicated in an indicator 3, from the nonvolatile memory 4a, and reads 1km unit digit or less from the C-MOS counter 2a to indicate them in the indicator 3. Even if an ignition switch 6 turns OFF, the C-MOS counter 2a is energized from a power source 8, and thereby details are held. The details in the nonvolatile memory 4a are held even if the nonvolatile memory 4a is not energized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5796380A JPS56154611A (en) | 1980-05-02 | 1980-05-02 | Odometer for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5796380A JPS56154611A (en) | 1980-05-02 | 1980-05-02 | Odometer for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56154611A true JPS56154611A (en) | 1981-11-30 |
| JPS6219687B2 JPS6219687B2 (en) | 1987-04-30 |
Family
ID=13070659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5796380A Granted JPS56154611A (en) | 1980-05-02 | 1980-05-02 | Odometer for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56154611A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086360A2 (en) * | 1982-02-16 | 1983-08-24 | Siemens Aktiengesellschaft | Electric nonvolatile word-programmable memory and use of such a memory |
| JPS6330715A (en) * | 1986-07-25 | 1988-02-09 | Nissan Motor Co Ltd | Electronic odometer for vehicle |
| US5103411A (en) * | 1989-05-31 | 1992-04-07 | Nippon Seiki Co., Ltd. | Electronic odometer wherein medium order digit data addresses locations which store high and low order digit data |
-
1980
- 1980-05-02 JP JP5796380A patent/JPS56154611A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086360A2 (en) * | 1982-02-16 | 1983-08-24 | Siemens Aktiengesellschaft | Electric nonvolatile word-programmable memory and use of such a memory |
| JPS6330715A (en) * | 1986-07-25 | 1988-02-09 | Nissan Motor Co Ltd | Electronic odometer for vehicle |
| US5103411A (en) * | 1989-05-31 | 1992-04-07 | Nippon Seiki Co., Ltd. | Electronic odometer wherein medium order digit data addresses locations which store high and low order digit data |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6219687B2 (en) | 1987-04-30 |
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