GB1404720A - Coupling transformers - Google Patents

Coupling transformers

Info

Publication number
GB1404720A
GB1404720A GB1272673A GB1272673A GB1404720A GB 1404720 A GB1404720 A GB 1404720A GB 1272673 A GB1272673 A GB 1272673A GB 1272673 A GB1272673 A GB 1272673A GB 1404720 A GB1404720 A GB 1404720A
Authority
GB
United Kingdom
Prior art keywords
coils
transformer
plastics
march
series
Prior art date
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
Application number
GB1272673A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB1404720A publication Critical patent/GB1404720A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
    • 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
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • 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
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/08—Fixed transformers not covered by group H01F19/00 characterised by the structure without magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Insulating Of Coils (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coils Or Transformers For Communication (AREA)
GB1272673A 1972-03-22 1973-03-16 Coupling transformers Expired GB1404720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH422672A CH543162A (de) 1972-03-22 1972-03-22 Ankopplungstransformator

Publications (1)

Publication Number Publication Date
GB1404720A true GB1404720A (en) 1975-09-03

Family

ID=4272150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1272673A Expired GB1404720A (en) 1972-03-22 1973-03-16 Coupling transformers

Country Status (6)

Country Link
JP (1) JPS4913622A (enExample)
AT (1) AT319384B (enExample)
CH (1) CH543162A (enExample)
DE (1) DE7308392U (enExample)
GB (1) GB1404720A (enExample)
NL (1) NL7303909A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2948075A1 (fr) * 2009-07-17 2011-01-21 Faiveley Transp Tours Dispositif d'isolement haute tension de moyens d'alimentation d'un dispositif electrique connecte a un potentiel haute tension
CN112133519A (zh) * 2020-09-26 2020-12-25 江西博之韵电子科技有限公司 一种音频变压器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830151C2 (de) * 1978-07-08 1984-06-14 Brown, Boveri & Cie Ag, 6800 Mannheim Einrichtung zur Parallelankopplung eines Tonfrequenz-Senders an ein Netz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2948075A1 (fr) * 2009-07-17 2011-01-21 Faiveley Transp Tours Dispositif d'isolement haute tension de moyens d'alimentation d'un dispositif electrique connecte a un potentiel haute tension
WO2011007081A3 (fr) * 2009-07-17 2011-12-29 Faiveley Transport Tours Dispositif d'isolement haute tension de moyens d'alimentation d'un dispositif électrique connecte à un potentiel haute tension
CN112133519A (zh) * 2020-09-26 2020-12-25 江西博之韵电子科技有限公司 一种音频变压器
CN112133519B (zh) * 2020-09-26 2024-04-05 江西博之韵电子科技有限公司 一种音频变压器

Also Published As

Publication number Publication date
NL7303909A (enExample) 1973-09-25
CH543162A (de) 1973-10-15
DE7308392U (de) 1973-08-16
JPS4913622A (enExample) 1974-02-06
AT319384B (de) 1974-12-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee