JPS642905B2 - - Google Patents
Info
- Publication number
- JPS642905B2 JPS642905B2 JP7923983A JP7923983A JPS642905B2 JP S642905 B2 JPS642905 B2 JP S642905B2 JP 7923983 A JP7923983 A JP 7923983A JP 7923983 A JP7923983 A JP 7923983A JP S642905 B2 JPS642905 B2 JP S642905B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- output
- circuit
- time
- clock
- 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.)
- Expired
Links
- 230000000630 rising effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7923983A JPS59204788A (ja) | 1983-05-09 | 1983-05-09 | 超音波の伝播時間測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7923983A JPS59204788A (ja) | 1983-05-09 | 1983-05-09 | 超音波の伝播時間測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59204788A JPS59204788A (ja) | 1984-11-20 |
| JPS642905B2 true JPS642905B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-19 |
Family
ID=13684305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7923983A Granted JPS59204788A (ja) | 1983-05-09 | 1983-05-09 | 超音波の伝播時間測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59204788A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6271888A (ja) * | 1985-09-25 | 1987-04-02 | Yokogawa Electric Corp | 時間幅計測装置 |
| JPS62144088A (ja) * | 1985-12-18 | 1987-06-27 | Yokogawa Electric Corp | 時間計測装置 |
| JPS62288597A (ja) * | 1986-06-06 | 1987-12-15 | Yokogawa Electric Corp | 時間計測装置 |
| JPS63289482A (ja) * | 1987-05-21 | 1988-11-25 | Yokogawa Electric Corp | 端数時間測定装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49105568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-02-08 | 1974-10-05 | ||
| JPS5139159A (en) * | 1974-09-30 | 1976-04-01 | Nippon Kokan Kk | Kijuntaisekikan oshoshita ryuryokeikenteisochi |
| JPS524794A (en) * | 1975-06-30 | 1977-01-14 | Taiyo Musen Kk | Time interval automatic measuring unit |
| JPS52135776A (en) * | 1976-05-08 | 1977-11-14 | Takeda Riken Ind Co Ltd | Pulse width measuring device |
-
1983
- 1983-05-09 JP JP7923983A patent/JPS59204788A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59204788A (ja) | 1984-11-20 |