JPS54116982A - Speed operating circuit - Google Patents
Speed operating circuitInfo
- Publication number
- JPS54116982A JPS54116982A JP2353578A JP2353578A JPS54116982A JP S54116982 A JPS54116982 A JP S54116982A JP 2353578 A JP2353578 A JP 2353578A JP 2353578 A JP2353578 A JP 2353578A JP S54116982 A JPS54116982 A JP S54116982A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- register
- accordance
- mask value
- operating unit
- 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
Abstract
PURPOSE: To make it possible to accurately calculate the distance and speed of a moving body, without increasing the operating load, even if the moving speed of the body becomes high, by controlling the speed etching pulses to be fed a speed operating unit in accordance with the speed.
CONSTITUTION: The pulses of the number corresponding to the speed to be detected by a pulse detecting unit 2 are counted by the counter 11 of a input pulse control circuit 10. When the speed of a moving body become so high as to exceed the preset value of the mask value register 13 of a comparator 12, a speed operating unit 3 is started, and the counter 11 is reset in accordance with the mask value. On the other hand, the operating unit 3 subjects the time elapse by an oscillator 4 and an elapse time counter 5, a constant preset in a diatance contact register 6, and the mask value of the register 13 to the operational processing so that the speed of the body is counted in the register 7. In accordance with the counted result of this register 7, the mask value of the register 13 is preset in accordance with the speed through a presetting unit 14. As a result, the input to the operating unit 3 is controlled in accordance with the speed so that the accurate distance and speed can be calculated without increasing the load.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2353578A JPS54116982A (en) | 1978-03-03 | 1978-03-03 | Speed operating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2353578A JPS54116982A (en) | 1978-03-03 | 1978-03-03 | Speed operating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54116982A true JPS54116982A (en) | 1979-09-11 |
Family
ID=12113144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2353578A Pending JPS54116982A (en) | 1978-03-03 | 1978-03-03 | Speed operating circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54116982A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025837A (en) * | 1983-07-20 | 1985-02-08 | Nippon Denso Co Ltd | Calculating device of wheel speed in vehicular running control equipment |
| JPS61189461A (en) * | 1985-02-19 | 1986-08-23 | Tokico Ltd | Calculating method for vehicle speed |
| JPS61254863A (en) * | 1985-05-08 | 1986-11-12 | Honda Motor Co Ltd | Method for calculating velocity |
| JPS63163281A (en) * | 1986-12-26 | 1988-07-06 | Koyo Denshi Kogyo Kk | Digital speed indicator |
| JPS6437670U (en) * | 1987-08-31 | 1989-03-07 | ||
| JPS6437669U (en) * | 1987-08-31 | 1989-03-07 | ||
| JPS6480868A (en) * | 1987-09-24 | 1989-03-27 | Toshiba Corp | Break detecting device for speed signal |
-
1978
- 1978-03-03 JP JP2353578A patent/JPS54116982A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025837A (en) * | 1983-07-20 | 1985-02-08 | Nippon Denso Co Ltd | Calculating device of wheel speed in vehicular running control equipment |
| JPH0375376B2 (en) * | 1983-07-20 | 1991-11-29 | ||
| JPS61189461A (en) * | 1985-02-19 | 1986-08-23 | Tokico Ltd | Calculating method for vehicle speed |
| JPS61254863A (en) * | 1985-05-08 | 1986-11-12 | Honda Motor Co Ltd | Method for calculating velocity |
| JPS63163281A (en) * | 1986-12-26 | 1988-07-06 | Koyo Denshi Kogyo Kk | Digital speed indicator |
| JPS6437670U (en) * | 1987-08-31 | 1989-03-07 | ||
| JPS6437669U (en) * | 1987-08-31 | 1989-03-07 | ||
| JPS6480868A (en) * | 1987-09-24 | 1989-03-27 | Toshiba Corp | Break detecting device for speed signal |
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