NL143296B - Ijsdetector. - Google Patents
Ijsdetector.Info
- Publication number
- NL143296B NL143296B NL6916731A NL6916731A NL143296B NL 143296 B NL143296 B NL 143296B NL 6916731 A NL6916731 A NL 6916731A NL 6916731 A NL6916731 A NL 6916731A NL 143296 B NL143296 B NL 143296B
- Authority
- NL
- Netherlands
- Prior art keywords
- ice detector
- ice
- detector
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/24—Heating of switches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Control Of Resistance Heating (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6916731A NL143296B (nl) | 1969-11-05 | 1969-11-05 | Ijsdetector. |
| CH1601670A CH519054A (de) | 1969-11-05 | 1970-10-29 | Vorrichtung zum Schutz einer Eisenbahnweiche gegen die Ablagerung von Schnee oder Eis |
| DE19702054234 DE2054234C3 (de) | 1969-11-05 | 1970-11-04 | Vorrichtung zum Schutz einer Eisenbahnweiche gegen die Ablagerung von Schnee, Eis o.dgl |
| SE1488370A SE364747B (nl) | 1969-11-05 | 1970-11-04 | |
| GB5263370A GB1300454A (en) | 1969-11-05 | 1970-11-05 | A control circuit for a heater for the protection of a railway switch points against the deposition of snow or ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6916731A NL143296B (nl) | 1969-11-05 | 1969-11-05 | Ijsdetector. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6916731A NL6916731A (nl) | 1971-05-07 |
| NL143296B true NL143296B (nl) | 1974-09-16 |
Family
ID=19808320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6916731A NL143296B (nl) | 1969-11-05 | 1969-11-05 | Ijsdetector. |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH519054A (nl) |
| GB (1) | GB1300454A (nl) |
| NL (1) | NL143296B (nl) |
| SE (1) | SE364747B (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2415988C2 (ru) * | 2008-11-14 | 2011-04-10 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный университет путей сообщения" (МИИТ) | Устройство для очистки стрелочного перевода от снега и льда путем электрообогрева |
-
1969
- 1969-11-05 NL NL6916731A patent/NL143296B/nl not_active IP Right Cessation
-
1970
- 1970-10-29 CH CH1601670A patent/CH519054A/de not_active IP Right Cessation
- 1970-11-04 SE SE1488370A patent/SE364747B/xx unknown
- 1970-11-05 GB GB5263370A patent/GB1300454A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6916731A (nl) | 1971-05-07 |
| CH519054A (de) | 1972-02-15 |
| DE2054234B2 (de) | 1976-08-19 |
| DE2054234A1 (de) | 1971-05-19 |
| SE364747B (nl) | 1974-03-04 |
| GB1300454A (en) | 1972-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: M BOSCHUNG |