FR2149203A5 - - Google Patents
Info
- Publication number
- FR2149203A5 FR2149203A5 FR7228816A FR7228816A FR2149203A5 FR 2149203 A5 FR2149203 A5 FR 2149203A5 FR 7228816 A FR7228816 A FR 7228816A FR 7228816 A FR7228816 A FR 7228816A FR 2149203 A5 FR2149203 A5 FR 2149203A5
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Railway Tracks (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712146271 DE2146271C (en) | 1971-09-16 | Control switch for controlling anti-parallel connected electronic semiconductors parallel to permanent main contacts in step switches for regulating transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2149203A5 true FR2149203A5 (en) | 1973-03-23 |
Family
ID=5819724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7228816A Expired FR2149203A5 (en) | 1971-09-16 | 1972-08-09 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5139331B2 (en) |
| AT (1) | AT314667B (en) |
| DE (1) | DE2146271B1 (en) |
| FR (1) | FR2149203A5 (en) |
| NO (1) | NO132915C (en) |
| SE (1) | SE371712B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS628041A (en) * | 1985-07-04 | 1987-01-16 | Idemitsu Petrochem Co Ltd | Infrared spectroscopic analysis |
| DE102009017196A1 (en) * | 2009-04-09 | 2010-10-14 | Maschinenfabrik Reinhausen Gmbh | Tap-changer with semiconductor switching elements |
-
1971
- 1971-09-16 DE DE2146271A patent/DE2146271B1/en active Pending
-
1972
- 1972-08-09 FR FR7228816A patent/FR2149203A5/fr not_active Expired
- 1972-09-12 JP JP47090995A patent/JPS5139331B2/ja not_active Expired
- 1972-09-13 AT AT784072A patent/AT314667B/en not_active IP Right Cessation
- 1972-09-14 SE SE7211842A patent/SE371712B/xx unknown
- 1972-09-15 NO NO3305/72A patent/NO132915C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO132915C (en) | 1976-01-28 |
| DE2146271B1 (en) | 1972-09-14 |
| NO132915B (en) | 1975-10-20 |
| SE371712B (en) | 1974-11-25 |
| JPS5139331B2 (en) | 1976-10-27 |
| JPS4837631A (en) | 1973-06-02 |
| AT314667B (en) | 1974-04-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |