JPS5614960A - Duty ratio calculator - Google Patents
Duty ratio calculatorInfo
- Publication number
- JPS5614960A JPS5614960A JP9200279A JP9200279A JPS5614960A JP S5614960 A JPS5614960 A JP S5614960A JP 9200279 A JP9200279 A JP 9200279A JP 9200279 A JP9200279 A JP 9200279A JP S5614960 A JPS5614960 A JP S5614960A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- cycle
- pulse
- duty ratio
- frequency divider
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
PURPOSE: To continuously measure a duty ratio in every cycle, sufficiently following up the input pulse signal of the rapid rotation of engine or the like, by combining a clock pulse generator, a frequency divider, four counters, etc. in a prescribed relationship to one another.
CONSTITUTION: Clock pulses CP are applied to an up-down counter CK1 and a gate circuit GC1. The clock pulses CP are sent out to a counter CK2 from the gate circuit GC1 for a cycle T1-1 corresponding to a pulse duration T1-1 within a cycle T0-1. The clock pulses CP are suppled to another counter CK3 through a frequency divider DVC which divides frequency to e.g. 1/360 corresponding to the indication of angle. A pulse P at each trailing of an input pulse IP is applied to the terminal OD of the counter CK3. Pulses from the frequency divider DVC, which are counted in each cycle T0, are preset in the counter CK2. A carry output from the counter CK2 are supplied to another counter CK4. Resetting, counting and latching are repeated by the pulse P in each period T0 to indicate the duty ratio of the input pulse IP in two cycle delay converted into the dimension of angle on a display unit DPL.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200279A JPS5614960A (en) | 1979-07-18 | 1979-07-18 | Duty ratio calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200279A JPS5614960A (en) | 1979-07-18 | 1979-07-18 | Duty ratio calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5614960A true JPS5614960A (en) | 1981-02-13 |
Family
ID=14042212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9200279A Pending JPS5614960A (en) | 1979-07-18 | 1979-07-18 | Duty ratio calculator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5614960A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5865578U (en) * | 1981-10-29 | 1983-05-04 | 株式会社東芝 | Chiyotsupa test equipment |
| US5305817A (en) * | 1990-09-19 | 1994-04-26 | Vsesojuzny Nauchno-Issledovatelysky I Proektny Institut Aluminievoi, Magnievoi I Elektrodnoi Promyshlennosti | Method for production of metal base composite material |
| CN104316775A (en) * | 2014-10-29 | 2015-01-28 | 上海大学 | Pulse signal cycle and duty ratio continuous measurement method |
-
1979
- 1979-07-18 JP JP9200279A patent/JPS5614960A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5865578U (en) * | 1981-10-29 | 1983-05-04 | 株式会社東芝 | Chiyotsupa test equipment |
| US5305817A (en) * | 1990-09-19 | 1994-04-26 | Vsesojuzny Nauchno-Issledovatelysky I Proektny Institut Aluminievoi, Magnievoi I Elektrodnoi Promyshlennosti | Method for production of metal base composite material |
| CN104316775A (en) * | 2014-10-29 | 2015-01-28 | 上海大学 | Pulse signal cycle and duty ratio continuous measurement method |
| CN104316775B (en) * | 2014-10-29 | 2017-06-06 | 上海大学 | Pulse signal cycle and dutycycle method for continuous measuring |
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