JPS5396881A - Pantagraph lose contact measuring apparatus - Google Patents
Pantagraph lose contact measuring apparatusInfo
- Publication number
- JPS5396881A JPS5396881A JP1066777A JP1066777A JPS5396881A JP S5396881 A JPS5396881 A JP S5396881A JP 1066777 A JP1066777 A JP 1066777A JP 1066777 A JP1066777 A JP 1066777A JP S5396881 A JPS5396881 A JP S5396881A
- Authority
- JP
- Japan
- Prior art keywords
- pantagraph
- measuring apparatus
- lose contact
- contact measuring
- light
- 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
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
PURPOSE: To accurately measure the time and times of lose contact by optically capturing arc light procuced when a pantagraph loses contact from a trolley wire, subjecting the light to photoslectric conversion and inputting the electric signal to a discrimination circuit.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1066777A JPS5396881A (en) | 1977-02-04 | 1977-02-04 | Pantagraph lose contact measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1066777A JPS5396881A (en) | 1977-02-04 | 1977-02-04 | Pantagraph lose contact measuring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5396881A true JPS5396881A (en) | 1978-08-24 |
JPS5537036B2 JPS5537036B2 (en) | 1980-09-25 |
Family
ID=11756583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1066777A Granted JPS5396881A (en) | 1977-02-04 | 1977-02-04 | Pantagraph lose contact measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5396881A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583501A (en) * | 1981-06-26 | 1983-01-10 | Japanese National Railways<Jnr> | Measuring instrument for separation of trolley wire |
JPH04251501A (en) * | 1990-12-28 | 1992-09-07 | Railway Technical Res Inst | Pantograph contact loss measuring method and processing circuit therefor |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56152688A (en) * | 1980-04-30 | 1981-11-26 | San Moodo Kouhatsu Kk | Movable attachment for sewing machine |
JPS6214885A (en) * | 1985-07-13 | 1987-01-23 | 中日本ジューキ株式会社 | Method and apparatus for shearing sewing of cylindrical cloth edge |
JPS6241740Y2 (en) * | 1986-04-30 | 1987-10-26 |
-
1977
- 1977-02-04 JP JP1066777A patent/JPS5396881A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583501A (en) * | 1981-06-26 | 1983-01-10 | Japanese National Railways<Jnr> | Measuring instrument for separation of trolley wire |
JPH04251501A (en) * | 1990-12-28 | 1992-09-07 | Railway Technical Res Inst | Pantograph contact loss measuring method and processing circuit therefor |
Also Published As
Publication number | Publication date |
---|---|
JPS5537036B2 (en) | 1980-09-25 |
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