JPS4981865A - - Google Patents
Info
- Publication number
- JPS4981865A JPS4981865A JP48129116A JP12911673A JPS4981865A JP S4981865 A JPS4981865 A JP S4981865A JP 48129116 A JP48129116 A JP 48129116A JP 12911673 A JP12911673 A JP 12911673A JP S4981865 A JPS4981865 A JP S4981865A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Conversion In General (AREA)
- Control Of Electrical Variables (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722256322 DE2256322C3 (de) | 1972-11-16 | Stabkerndrossel zur Entstörung von Phasenanschnittschaltungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4981865A true JPS4981865A (de) | 1974-08-07 |
Family
ID=5861955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48129116A Pending JPS4981865A (de) | 1972-11-16 | 1973-11-16 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3906421A (de) |
| JP (1) | JPS4981865A (de) |
| AT (1) | AT334476B (de) |
| BE (1) | BE807408A (de) |
| CH (1) | CH563653A5 (de) |
| DD (1) | DD107542A5 (de) |
| FR (1) | FR2207339B3 (de) |
| GB (1) | GB1446927A (de) |
| IT (1) | IT999308B (de) |
| LU (1) | LU67651A1 (de) |
| NL (1) | NL7311589A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE413716B (sv) * | 1978-05-02 | 1980-06-16 | Asea Ab | Krafttransformator eller reaktor |
| US6501365B1 (en) * | 2000-09-08 | 2002-12-31 | Oberg Industries | Ignition coil having a circular core and a method of making the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1992822A (en) * | 1933-12-01 | 1935-02-26 | Gen Electric | Magnetic core |
| US2059393A (en) * | 1933-12-19 | 1936-11-03 | Johnson Lab Inc | Magnetic core for high frequency inductances |
| US2236316A (en) * | 1939-08-18 | 1941-03-25 | Chicago Transformer Corp | Induction coil |
| GB646464A (en) * | 1948-01-10 | 1950-11-22 | Heinrich Muller | Improvements in or relating to electric chokes, transformers or the like having a variable reluctance |
| US3129399A (en) * | 1960-02-11 | 1964-04-14 | Hansen Hans Christian | Plural part core with exposed wound-core portion |
| DE2119950C3 (de) * | 1971-04-23 | 1975-06-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Funk-Entstördrossel |
-
1973
- 1973-05-23 LU LU67651A patent/LU67651A1/xx unknown
- 1973-08-07 CH CH1139173A patent/CH563653A5/xx not_active IP Right Cessation
- 1973-08-10 AT AT702973A patent/AT334476B/de active
- 1973-08-22 NL NL7311589A patent/NL7311589A/xx not_active Application Discontinuation
- 1973-10-05 GB GB4653073A patent/GB1446927A/en not_active Expired
- 1973-11-07 FR FR7339537A patent/FR2207339B3/fr not_active Expired
- 1973-11-07 US US413637A patent/US3906421A/en not_active Expired - Lifetime
- 1973-11-09 IT IT31111/73A patent/IT999308B/it active
- 1973-11-12 DD DD174590*A patent/DD107542A5/xx unknown
- 1973-11-16 BE BE137824A patent/BE807408A/xx unknown
- 1973-11-16 JP JP48129116A patent/JPS4981865A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2256322B2 (de) | 1976-08-12 |
| DD107542A5 (de) | 1974-08-05 |
| IT999308B (it) | 1976-02-20 |
| GB1446927A (en) | 1976-08-18 |
| FR2207339B3 (de) | 1976-09-24 |
| NL7311589A (de) | 1974-05-20 |
| LU67651A1 (de) | 1973-07-26 |
| CH563653A5 (de) | 1975-06-30 |
| DE2256322A1 (de) | 1974-05-30 |
| FR2207339A1 (de) | 1974-06-14 |
| US3906421A (en) | 1975-09-16 |
| BE807408A (fr) | 1974-03-15 |
| AT334476B (de) | 1976-01-25 |
| ATA702973A (de) | 1976-05-15 |