JPS5942646Y2 - 光電型デジタル測長器の電源電圧低下警報装置 - Google Patents
光電型デジタル測長器の電源電圧低下警報装置Info
- Publication number
- JPS5942646Y2 JPS5942646Y2 JP2220079U JP2220079U JPS5942646Y2 JP S5942646 Y2 JPS5942646 Y2 JP S5942646Y2 JP 2220079 U JP2220079 U JP 2220079U JP 2220079 U JP2220079 U JP 2220079U JP S5942646 Y2 JPS5942646 Y2 JP S5942646Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- power supply
- supply voltage
- amount
- length measuring
- 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
- 230000007423 decrease Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2220079U JPS5942646Y2 (ja) | 1979-02-21 | 1979-02-21 | 光電型デジタル測長器の電源電圧低下警報装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2220079U JPS5942646Y2 (ja) | 1979-02-21 | 1979-02-21 | 光電型デジタル測長器の電源電圧低下警報装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55161203U JPS55161203U (enrdf_load_stackoverflow) | 1980-11-19 |
| JPS5942646Y2 true JPS5942646Y2 (ja) | 1984-12-14 |
Family
ID=29288017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2220079U Expired JPS5942646Y2 (ja) | 1979-02-21 | 1979-02-21 | 光電型デジタル測長器の電源電圧低下警報装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5942646Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443765Y2 (enrdf_load_stackoverflow) * | 1986-04-28 | 1992-10-15 |
-
1979
- 1979-02-21 JP JP2220079U patent/JPS5942646Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55161203U (enrdf_load_stackoverflow) | 1980-11-19 |
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