GB1404720A - Coupling transformers - Google Patents

Coupling transformers

Info

Publication number: GB1404720A
Authority: GB; United Kingdom
Prior art keywords: coils; transformer; plastics; march; series
Prior art date: 1972-03-22
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

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.)

1972-03-22

Filing date

1973-03-16

Publication date

1975-09-03

1973-03-16 Application filed by Landis and Gyr AG filed Critical Landis and Gyr AG

1975-09-03 Publication of GB1404720A publication Critical patent/GB1404720A/en

Status Expired legal-status Critical Current

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 Or Transformers For Communication (AREA)
Coils Of Transformers For General Uses (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 (de)
AT (1)	AT319384B (de)
CH (1)	CH543162A (de)
DE (1)	DE7308392U (de)
GB (1)	GB1404720A (de)
NL (1)	NL7303909A (de)

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

1972
- 1972-03-22 CH CH422672A patent/CH543162A/de not_active IP Right Cessation
1973
- 1973-03-02 AT AT189873A patent/AT319384B/de not_active IP Right Cessation
- 1973-03-03 DE DE19737308392 patent/DE7308392U/de not_active Expired
- 1973-03-15 JP JP48030468A patent/JPS4913622A/ja active Pending
- 1973-03-16 GB GB1272673A patent/GB1404720A/en not_active Expired
- 1973-03-20 NL NL7303909A patent/NL7303909A/xx unknown

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

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Legal Events

Date	Code	Title	Description
1976-01-14	PS	Patent sealed
1979-11-21	PCNP	Patent ceased through non-payment of renewal fee