JPS639288B2 - - Google Patents
Info
- Publication number
- JPS639288B2 JPS639288B2 JP55079258A JP7925880A JPS639288B2 JP S639288 B2 JPS639288 B2 JP S639288B2 JP 55079258 A JP55079258 A JP 55079258A JP 7925880 A JP7925880 A JP 7925880A JP S639288 B2 JPS639288 B2 JP S639288B2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- rotating
- circumferential surface
- outer circumferential
- cylindrical outer
- 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
Links
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G11B5/53—Disposition or mounting of heads on rotating support
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925880A JPS576434A (en) | 1980-06-12 | 1980-06-12 | Rotary head structure of helical scan type magnetic recorder and reproducer |
US06/272,543 US4408239A (en) | 1980-06-12 | 1981-06-11 | Rotary magnetic head drum assembly for magnetically recording and/or reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925880A JPS576434A (en) | 1980-06-12 | 1980-06-12 | Rotary head structure of helical scan type magnetic recorder and reproducer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58158462A Division JPS5982621A (ja) | 1983-08-30 | 1983-08-30 | 回転ヘツド構体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS576434A JPS576434A (en) | 1982-01-13 |
JPS639288B2 true JPS639288B2 (US06312121-20011106-C00033.png) | 1988-02-26 |
Family
ID=13684824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7925880A Granted JPS576434A (en) | 1980-06-12 | 1980-06-12 | Rotary head structure of helical scan type magnetic recorder and reproducer |
Country Status (2)
Country | Link |
---|---|
US (1) | US4408239A (US06312121-20011106-C00033.png) |
JP (1) | JPS576434A (US06312121-20011106-C00033.png) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4603359A (en) * | 1981-07-24 | 1986-07-29 | Canon Kabushiki Kaisha | Rotary head device |
US4611255A (en) * | 1981-07-28 | 1986-09-09 | Canon Kabushiki Kaisha | Rotating head assembly |
JPS5963023A (ja) * | 1982-09-30 | 1984-04-10 | Matsushita Electric Ind Co Ltd | 流体軸受シリンダ−装置 |
JPS5963024A (ja) * | 1982-09-30 | 1984-04-10 | Matsushita Electric Ind Co Ltd | 流体軸受シリンダ−装置 |
NL8203922A (nl) * | 1982-10-11 | 1984-05-01 | Philips Nv | Magneetbandaftastinrichting en werkwijze voor het vervaardigen daarvan. |
DE3606012A1 (de) * | 1986-02-25 | 1987-08-27 | Thomson Brandt Gmbh | Kupplungsvorrichtung |
JP2775838B2 (ja) * | 1989-04-21 | 1998-07-16 | ソニー株式会社 | 可搬式vtr |
JP3136572B2 (ja) * | 1992-05-19 | 2001-02-19 | ソニー株式会社 | 回転ヘッドドラム装置 |
US6989618B2 (en) * | 2001-04-18 | 2006-01-24 | Nsk Ltd. | Rolling bearing with built-in motor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5018017A (US06312121-20011106-C00033.png) * | 1973-06-18 | 1975-02-26 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3867725A (en) * | 1973-10-01 | 1975-02-18 | Ibm | Rotating head apparatus including a thrust gas bearing |
DE2522900C2 (de) * | 1975-05-23 | 1984-01-12 | Robert Bosch Gmbh, 7000 Stuttgart | Drehkopfanordnung für ein Magnetbandgerät mit Schrägspurabtastung |
JPS54102445A (en) * | 1978-01-27 | 1979-08-11 | Matsushita Electric Ind Co Ltd | Fluid bearing revolving apparatus |
US4354211A (en) * | 1980-05-19 | 1982-10-12 | Microcomputer Systems Corporation | Magnetic tape apparatus |
-
1980
- 1980-06-12 JP JP7925880A patent/JPS576434A/ja active Granted
-
1981
- 1981-06-11 US US06/272,543 patent/US4408239A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5018017A (US06312121-20011106-C00033.png) * | 1973-06-18 | 1975-02-26 |
Also Published As
Publication number | Publication date |
---|---|
US4408239A (en) | 1983-10-04 |
JPS576434A (en) | 1982-01-13 |