DE69018670D1 - Kopftrommel für ein Aufzeichnungs- und/oder Wiedergabegerät. - Google Patents
Kopftrommel für ein Aufzeichnungs- und/oder Wiedergabegerät.Info
- Publication number
- DE69018670D1 DE69018670D1 DE69018670T DE69018670T DE69018670D1 DE 69018670 D1 DE69018670 D1 DE 69018670D1 DE 69018670 T DE69018670 T DE 69018670T DE 69018670 T DE69018670 T DE 69018670T DE 69018670 D1 DE69018670 D1 DE 69018670D1
- Authority
- DE
- Germany
- Prior art keywords
- drum
- head
- head drum
- recessed portion
- recording
- 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 - Fee Related
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/62—Maintaining desired spacing between record carrier and head
- G11B15/64—Maintaining desired spacing between record carrier and head by fluid-dynamic spacing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1037733A JP2808634B2 (ja) | 1989-02-17 | 1989-02-17 | ヘッドドラム |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69018670D1 true DE69018670D1 (de) | 1995-05-24 |
DE69018670T2 DE69018670T2 (de) | 1995-08-17 |
Family
ID=12505689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018670T Expired - Fee Related DE69018670T2 (de) | 1989-02-17 | 1990-02-15 | Kopftrommel für ein Aufzeichnungs- und/oder Wiedergabegerät. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5041937A (de) |
EP (1) | EP0383588B1 (de) |
JP (1) | JP2808634B2 (de) |
KR (1) | KR0137933B1 (de) |
AT (1) | ATE121554T1 (de) |
DE (1) | DE69018670T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421962A (ja) * | 1990-05-16 | 1992-01-24 | Matsushita Electric Ind Co Ltd | 浮上現象解析装置 |
JPH04265559A (ja) * | 1991-02-21 | 1992-09-21 | Sony Corp | 回転ドラムアセンブリ |
JPH04276322A (ja) * | 1991-03-01 | 1992-10-01 | Sony Corp | 回転光学ヘッド装置 |
US5359475A (en) * | 1992-03-23 | 1994-10-25 | Minnesota Mining And Manufacturing Company | Air filter system for helical scanner drum with vented drum cover |
JPH076455A (ja) * | 1992-08-03 | 1995-01-10 | Hitachi Ltd | 記録再生装置 |
US5508945A (en) * | 1992-08-05 | 1996-04-16 | Matsushita Electric Industrial Co., Ltd. | Levitation phenomenon analyzer and magnetic recording apparatus including levitation phenomenon analyzer |
JPH08306022A (ja) * | 1995-04-28 | 1996-11-22 | Sony Corp | 回転ヘッドの構造 |
KR0177935B1 (ko) * | 1996-03-28 | 1999-04-15 | 배순훈 | 자기기록재생장치의 테이프 텐션 제어장치 |
US6394348B1 (en) * | 1999-12-13 | 2002-05-28 | Unisys Corporation | Apparatus for positioning magnetically coded substrate relative to a magnetic read head |
US6588120B2 (en) | 2000-11-29 | 2003-07-08 | Athan Corporation | Method and apparatus for aligning a drum assembly used in a video recording device |
US7100265B2 (en) * | 2000-11-29 | 2006-09-05 | Athan Corporation | Method for aligning a drum assembly used in a video recording device |
AUPR333301A0 (en) * | 2001-02-23 | 2001-03-22 | Northern Sydney Area Health Service | Determining the volume of a normal heart and its pathological and treated variants by using dimension sensors |
US7260884B2 (en) * | 2003-04-15 | 2007-08-28 | Athan Corporation | Method of manufacturing a drum assembly associated with video tape machine |
KR20060047013A (ko) * | 2004-11-12 | 2006-05-18 | 삼성전자주식회사 | 자기기록재생장치의 헤드드럼 조립체 |
US20080304185A1 (en) * | 2007-06-06 | 2008-12-11 | George Athanasiou | Drum assembly associated with video tape machine |
US9009745B2 (en) | 2012-11-15 | 2015-04-14 | Oracle International Corporation | Thin web optical media guiding method |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2535780C3 (de) * | 1975-08-11 | 1978-10-05 | Igor Alekseewitsch Moskau Kryltsov | Magnetbandlaufwerk für Videobandgeräte mit Längsspuraufzeichnung |
JPS5424609A (en) * | 1977-07-27 | 1979-02-24 | Fujitsu Ltd | Air bearing mechanism of mandrel part in rotary head type magnetic recorder |
JPS54102445A (en) * | 1978-01-27 | 1979-08-11 | Matsushita Electric Ind Co Ltd | Fluid bearing revolving apparatus |
JPS6027100B2 (ja) * | 1980-11-25 | 1985-06-27 | 松下電器産業株式会社 | 回転ヘッドアセンブリ |
US4517615A (en) * | 1981-05-28 | 1985-05-14 | Fuji Photo Film Co., Ltd. | Rotary head for magnetic tape record and playback |
JPS59142728A (ja) * | 1983-02-02 | 1984-08-16 | Fujitsu Ltd | 水平型薄膜マルチ磁気ヘツドおよび磁気デイスク装置 |
JPS6050736A (ja) * | 1983-08-31 | 1985-03-20 | Matsushita Electric Ind Co Ltd | 回転ヘッドアセンブリ |
JPS61140452U (de) * | 1985-02-20 | 1986-08-30 | ||
JPS61261810A (ja) * | 1985-05-16 | 1986-11-19 | Matsushita Electric Ind Co Ltd | 磁気記録再生装置 |
JPS62289954A (ja) * | 1986-06-09 | 1987-12-16 | Toshiba Corp | 磁気記録再生装置 |
-
1989
- 1989-02-17 JP JP1037733A patent/JP2808634B2/ja not_active Expired - Fee Related
-
1990
- 1990-01-24 KR KR1019900000794A patent/KR0137933B1/ko not_active IP Right Cessation
- 1990-02-15 US US07/480,669 patent/US5041937A/en not_active Expired - Lifetime
- 1990-02-15 AT AT90301600T patent/ATE121554T1/de not_active IP Right Cessation
- 1990-02-15 EP EP90301600A patent/EP0383588B1/de not_active Expired - Lifetime
- 1990-02-15 DE DE69018670T patent/DE69018670T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69018670T2 (de) | 1995-08-17 |
JP2808634B2 (ja) | 1998-10-08 |
EP0383588B1 (de) | 1995-04-19 |
ATE121554T1 (de) | 1995-05-15 |
JPH02218047A (ja) | 1990-08-30 |
EP0383588A1 (de) | 1990-08-22 |
KR900013467A (ko) | 1990-09-05 |
US5041937A (en) | 1991-08-20 |
KR0137933B1 (ko) | 1998-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |