BE777640A - Blindage entre canaux pour un transformateur tournant multicanaux - Google Patents

Blindage entre canaux pour un transformateur tournant multicanaux

Info

Publication number: BE777640A
Authority: BE; Belgium
Prior art keywords: channel; shielding; rotating transformer; transformer; channel rotating
Prior art date: 1971-01-04

Application number

BE777640A

Other languages

English (en)

Inventor

B R Gooch

Original Assignee

Ampex

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.)

1971-01-04

Filing date

1972-01-03

Publication date

1972-05-02

1972-01-03 Application filed by Ampex filed Critical Ampex

1972-05-02 Publication of BE777640A publication Critical patent/BE777640A/fr

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- 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
- H01F27/38—Auxiliary core members; Auxiliary coils or windings
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Recording Or Reproducing By Magnetic Means (AREA)

BE777640A 1971-01-04 1972-01-03 Blindage entre canaux pour un transformateur tournant multicanaux BE777640A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US10350671A	1971-01-04	1971-01-04

Publications (1)

Publication Number	Publication Date
BE777640A true BE777640A (fr)	1972-05-02

Family

ID=22295561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE777640A BE777640A (fr)	1971-01-04	1972-01-03	Blindage entre canaux pour un transformateur tournant multicanaux

Country Status (4)

Country	Link
BE (1)	BE777640A (fr)
CA (1)	CA923207A (fr)
GB (1)	GB1321940A (fr)
IT (1)	IT957501B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3911486A (en) *	1974-03-25	1975-10-07	American Videonetics Corp	Commutating rotary transformer
CH607497A5 (fr) *	1975-07-09	1978-12-29	Mefina Sa
JPS5436709A (en) *	1977-08-26	1979-03-17	Sony Corp	Position control circuit for rotary magnetic head
DE2855379A1 (de) *	1978-12-21	1980-07-03	Siemens Ag	Roentgendiagnostikgeraet fuer die erzeugung von schichtbildern eines aufnahmeobjektes
FR2492567B1 (fr) *	1980-10-17	1985-01-04	Koshelev Alexandr	Bloc de tetes magnetiques tournantes pour dispositifs d'enregistrement et de reproduction de signaux video
JPS5982314U (ja) *	1982-11-25	1984-06-04	日本ビクター株式会社	ロ−タリ−トランス装置
IE54739B1 (en) *	1982-11-29	1990-01-17	Litton Systems Inc	Microwave oven with common wrap and cavity walls
JPS59101004A (ja) *	1982-11-29	1984-06-11	Olympus Optical Co Ltd	録画再生装置
US4674515A (en) *	1984-10-26	1987-06-23	Olympus Optical Co., Ltd.	Ultrasonic endoscope
DE3503348C1 (de) *	1985-02-01	1986-06-19	Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart	Ferromagnetischer Mehrfachschalenkern fuer elektrische Spulen
DE3676772D1 (de) *	1985-10-11	1991-02-14	Foerster Inst Dr Friedrich	Rotieruebertrageranordnung.
GB2173351B (en) *	1986-02-03	1988-06-22	Porsche Ag	A ferromagnetic multiple shell core
DE3724349A1 (de) *	1987-07-23	1989-02-02	Thomson Brandt Gmbh	Drehtransformator fuer einen recorder
DE3908982A1 (de) *	1989-03-18	1990-09-27	Scherz Michael	Uebertragungsvorrichtung
US9368272B2 (en)	2003-02-26	2016-06-14	Analogic Corporation	Shielded power coupling device
US9490063B2 (en)	2003-02-26	2016-11-08	Analogic Corporation	Shielded power coupling device
CN103748642B (zh) *	2011-06-01	2017-08-25	Analogic公司	带屏蔽的电力耦合设备
CN114730661B (zh)	2019-11-14	2023-06-02	史莱福灵有限公司	具有谐振屏蔽件的紧凑型集成旋转接头

1971
- 1971-12-17 CA CA130403A patent/CA923207A/en not_active Expired
- 1971-12-30 GB GB6078371A patent/GB1321940A/en not_active Expired
1972
- 1972-01-03 IT IT4751872A patent/IT957501B/it active
- 1972-01-03 BE BE777640A patent/BE777640A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1321940A (en)	1973-07-04
IT957501B (it)	1973-10-20
CA923207A (en)	1973-03-20

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Legal Events

Date

Code

Title

Description

1992-01-01

RE20

Patent expired

Owner name: AMPEX CORP.

Effective date: 19920103