IT1130721B - Dispositivo per la regolazione dell'induttanza di un bobina - Google Patents
Dispositivo per la regolazione dell'induttanza di un bobinaInfo
- Publication number
- IT1130721B IT1130721B IT22199/80A IT2219980A IT1130721B IT 1130721 B IT1130721 B IT 1130721B IT 22199/80 A IT22199/80 A IT 22199/80A IT 2219980 A IT2219980 A IT 2219980A IT 1130721 B IT1130721 B IT 1130721B
- Authority
- IT
- Italy
- Prior art keywords
- inductance
- coil
- adjustment
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- 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
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Electrostatic Spraying Apparatus (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7913135A FR2457551A1 (fr) | 1979-05-23 | 1979-05-23 | Dispositif pour regler a une valeur determinee et definitive l'inductance d'une bobine munie d'un noyau magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8022199A0 IT8022199A0 (it) | 1980-05-20 |
IT1130721B true IT1130721B (it) | 1986-06-18 |
Family
ID=9225780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22199/80A IT1130721B (it) | 1979-05-23 | 1980-05-20 | Dispositivo per la regolazione dell'induttanza di un bobina |
Country Status (9)
Country | Link |
---|---|
US (1) | US4308003A (it) |
JP (1) | JPS55157220A (it) |
CA (1) | CA1155276A (it) |
DE (1) | DE3019165A1 (it) |
ES (1) | ES8103874A1 (it) |
FR (1) | FR2457551A1 (it) |
GB (1) | GB2053578B (it) |
IT (1) | IT1130721B (it) |
NL (1) | NL8002922A (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138432A1 (de) * | 1981-09-26 | 1983-05-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und anordnung zur optimierung eines spritzgiessprozesses |
US4636624A (en) * | 1983-01-10 | 1987-01-13 | Minolta Camera Kabushiki Kaisha | Focus detecting device for use with cameras |
US5202555A (en) * | 1983-01-10 | 1993-04-13 | Minolta Camera Kabushiki Kaisha | Focus detecting device for use with cameras with correlation and contrast detecting means |
JPS6032014A (ja) * | 1983-08-01 | 1985-02-19 | Minolta Camera Co Ltd | カメラの焦点検出装置 |
JPH067219B2 (ja) * | 1983-08-16 | 1994-01-26 | ミノルタカメラ株式会社 | カメラの焦点検出装置 |
JPH0555040A (ja) * | 1991-08-23 | 1993-03-05 | Toko Inc | 複合部品のインダクタンス調整方法 |
CN113178314B (zh) * | 2021-05-13 | 2023-05-16 | 长兴超能科技有限公司 | 一种自动控制电感量的电感器及其控制方法 |
CN115497737B (zh) * | 2022-09-01 | 2023-07-18 | 深圳市科达嘉电子有限公司 | 磁性浆状物制备方法、电感器的装配方法及大电流电感器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1416509A (fr) * | 1964-09-23 | 1965-11-05 | Parisienne De Const Electro Me | Circuit magnétique moulé |
US3548492A (en) * | 1967-09-29 | 1970-12-22 | Texas Instruments Inc | Method of adjusting inductive devices |
GB1270670A (en) * | 1968-10-30 | 1972-04-12 | British Iron Steel Research | Rolling sheet or strip from particulate material |
DE2545004B2 (de) * | 1975-10-08 | 1977-10-20 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abgleichverfahren fuer elektrische schwingkreise |
-
1979
- 1979-05-23 FR FR7913135A patent/FR2457551A1/fr active Granted
-
1980
- 1980-05-05 US US06/146,552 patent/US4308003A/en not_active Expired - Lifetime
- 1980-05-15 CA CA000352019A patent/CA1155276A/en not_active Expired
- 1980-05-20 GB GB8016574A patent/GB2053578B/en not_active Expired
- 1980-05-20 IT IT22199/80A patent/IT1130721B/it active
- 1980-05-20 DE DE19803019165 patent/DE3019165A1/de not_active Ceased
- 1980-05-21 NL NL8002922A patent/NL8002922A/nl not_active Application Discontinuation
- 1980-05-21 ES ES491670A patent/ES8103874A1/es not_active Expired
- 1980-05-22 JP JP6721780A patent/JPS55157220A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2053578A (en) | 1981-02-04 |
GB2053578B (en) | 1983-04-07 |
IT8022199A0 (it) | 1980-05-20 |
ES491670A0 (es) | 1981-03-16 |
FR2457551A1 (fr) | 1980-12-19 |
FR2457551B1 (it) | 1982-04-16 |
NL8002922A (nl) | 1980-11-25 |
CA1155276A (en) | 1983-10-18 |
JPS55157220A (en) | 1980-12-06 |
ES8103874A1 (es) | 1981-03-16 |
US4308003A (en) | 1981-12-29 |
DE3019165A1 (de) | 1980-12-04 |
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