BR7706978A - Bobina helicoidal,particularmente para uso em circuitos de alta frequencia em sistemas de telecomunicacao - Google Patents
Bobina helicoidal,particularmente para uso em circuitos de alta frequencia em sistemas de telecomunicacaoInfo
- Publication number
- BR7706978A BR7706978A BR7706978A BR7706978A BR7706978A BR 7706978 A BR7706978 A BR 7706978A BR 7706978 A BR7706978 A BR 7706978A BR 7706978 A BR7706978 A BR 7706978A BR 7706978 A BR7706978 A BR 7706978A
- Authority
- BR
- Brazil
- Prior art keywords
- high frequency
- telecommunication systems
- frequency circuits
- helicoidal coil
- helicoidal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- 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
- H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30517/76A IT1074086B (it) | 1976-12-17 | 1976-12-17 | Bobina ad elica per sistemi di telecomunicazioni |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7706978A true BR7706978A (pt) | 1978-08-22 |
Family
ID=11229894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7706978A BR7706978A (pt) | 1976-12-17 | 1977-10-19 | Bobina helicoidal,particularmente para uso em circuitos de alta frequencia em sistemas de telecomunicacao |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4188599A (OSRAM) |
| AU (1) | AU511810B2 (OSRAM) |
| BR (1) | BR7706978A (OSRAM) |
| DE (1) | DE2756020A1 (OSRAM) |
| IN (1) | IN148255B (OSRAM) |
| IT (1) | IT1074086B (OSRAM) |
| MX (1) | MX144034A (OSRAM) |
| NZ (1) | NZ185530A (OSRAM) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030487A1 (de) * | 1980-08-12 | 1982-03-25 | Siemens AG, 1000 Berlin und 8000 München | Auf einem vorgegebenen wickelkoerper aufgebrachte, ueberlappungsfreie, einlagige zylinderwicklung |
| US4435680A (en) | 1981-10-09 | 1984-03-06 | Medical College Of Wisconsin | Microwave resonator structure |
| US4814735A (en) * | 1985-06-10 | 1989-03-21 | Williamson Windings Inc. | Magnetic core multiple tap or windings devices |
| US4901048A (en) * | 1985-06-10 | 1990-02-13 | Williamson Windings Inc. | Magnetic core multiple tap or windings devices |
| US4833437A (en) * | 1986-07-21 | 1989-05-23 | Williamson Windings Inc. | Magnetic core inductor |
| US4803773A (en) * | 1986-08-01 | 1989-02-14 | Schonstedt Instrument Company | Method of making magnetic cores |
| US4747207A (en) * | 1986-12-01 | 1988-05-31 | Schonstedt Instrument Company | Manufacture of magnetic cores from blanks of magnetically permeable sheet material |
| US4845393A (en) * | 1988-01-20 | 1989-07-04 | Burgess James P | Radio frequency suppression for fuel pump |
| DE9415636U1 (de) * | 1994-09-27 | 1995-02-16 | Siemens AG, 80333 München | Spulenkörper |
| FR2740915B1 (fr) * | 1995-11-03 | 1997-12-05 | Cablage Cie Francaise | Connecteur electrique monolithique et procede pour sa realisation |
| US6700738B1 (en) | 2001-03-16 | 2004-03-02 | Kyusik Sin | Read/write head coil tap having upper and lower portions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US848676A (en) * | 1906-03-17 | 1907-04-02 | Joseph Murgas | Electric transformer. |
| US1547497A (en) * | 1924-02-15 | 1925-07-28 | American Transformer Co | Low-voltage heavy-current transformer |
| US2314865A (en) * | 1941-05-31 | 1943-03-30 | Rca Corp | Heating device |
| US2674680A (en) * | 1951-07-20 | 1954-04-06 | Caliri Mfg Company Inc | Soldering gun construction |
| US3826967A (en) * | 1973-05-29 | 1974-07-30 | Pioneer Magnetics Inc | Low leakage secondary circuit for a power transformer including conductive strips forming the secondary and connections for rectifying diodes |
-
1976
- 1976-12-17 IT IT30517/76A patent/IT1074086B/it active
-
1977
- 1977-09-14 IN IN1403/CAL/77A patent/IN148255B/en unknown
- 1977-09-28 MX MX170735A patent/MX144034A/es unknown
- 1977-10-19 BR BR7706978A patent/BR7706978A/pt unknown
- 1977-10-26 NZ NZ185530A patent/NZ185530A/xx unknown
- 1977-10-28 AU AU30142/77A patent/AU511810B2/en not_active Expired
- 1977-12-15 US US05/860,836 patent/US4188599A/en not_active Expired - Lifetime
- 1977-12-15 DE DE19772756020 patent/DE2756020A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US4188599A (en) | 1980-02-12 |
| MX144034A (es) | 1981-08-19 |
| NZ185530A (en) | 1981-01-23 |
| DE2756020A1 (de) | 1978-06-29 |
| IT1074086B (it) | 1985-04-17 |
| AU511810B2 (en) | 1980-09-04 |
| IN148255B (OSRAM) | 1980-12-20 |
| AU3014277A (en) | 1979-05-03 |
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