NL287787A - - Google Patents
Info
- Publication number
- NL287787A NL287787A NL287787DA NL287787A NL 287787 A NL287787 A NL 287787A NL 287787D A NL287787D A NL 287787DA NL 287787 A NL287787 A NL 287787A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/163—Detection devices
- B61L1/165—Electrical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET22299A DE1190540B (de) | 1962-06-13 | 1962-06-13 | Eisenempfindlicher elektrischer Schalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL287787A true NL287787A (en:Method) |
Family
ID=7550482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL287787D NL287787A (en:Method) | 1962-06-13 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1190540B (en:Method) |
| NL (1) | NL287787A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406267A (en) * | 1966-08-23 | 1968-10-15 | Webb Co Jervis B | Proximity switch having a magnetic shield |
-
0
- NL NL287787D patent/NL287787A/xx unknown
-
1962
- 1962-06-13 DE DET22299A patent/DE1190540B/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1190540C2 (en:Method) | 1965-12-09 |
| DE1190540B (de) | 1965-04-08 |