WO2009050770A1 - 信号伝送回路及び記憶装置 - Google Patents

信号伝送回路及び記憶装置 Download PDF

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Publication number
WO2009050770A1
WO2009050770A1 PCT/JP2007/070081 JP2007070081W WO2009050770A1 WO 2009050770 A1 WO2009050770 A1 WO 2009050770A1 JP 2007070081 W JP2007070081 W JP 2007070081W WO 2009050770 A1 WO2009050770 A1 WO 2009050770A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
optical
convert
circuit
electric
Prior art date
Application number
PCT/JP2007/070081
Other languages
English (en)
French (fr)
Inventor
Isao Tsuyama
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009537785A priority Critical patent/JPWO2009050770A1/ja
Priority to PCT/JP2007/070081 priority patent/WO2009050770A1/ja
Publication of WO2009050770A1 publication Critical patent/WO2009050770A1/ja
Priority to US12/760,397 priority patent/US20100195473A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/486—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives with provision for mounting or arranging electrical conducting means or circuits on or along the arm assembly
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4866—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives the arm comprising an optical waveguide, e.g. for thermally-assisted recording

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)

Abstract

　本発明は、信号伝送回路及び記憶装置に関し、信号損失や信号劣化が少なく、外乱の影響を受けにくく、且つ、高いデータ転送速度を実現可能な信号伝送路を実現することを目的とし、信号伝送回路は、再生電気信号を第１の光信号に変換する第１の電気／光変換回路と、第１の光信号を再生電気信号に再変換する第１の光／電気変換回路と、記録電気信号を第２の光信号に変換する第２の電気／光変換回路と、第２の光信号を記録電気信号に再変換する第２の光／電気変換回路と、第１及び第２の光信号を多重／分波する第１の光多重／分波回路と、第１及び第２の光信号を多重／分波する第２の光多重／分波回路と、多重された第１の光信号及び第２の光信号を伝送する光伝送媒体とを備えた構成を有する。
PCT/JP2007/070081 2007-10-15 2007-10-15 信号伝送回路及び記憶装置 WO2009050770A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009537785A JPWO2009050770A1 (ja) 2007-10-15 2007-10-15 信号伝送回路及び記憶装置
PCT/JP2007/070081 WO2009050770A1 (ja) 2007-10-15 2007-10-15 信号伝送回路及び記憶装置
US12/760,397 US20100195473A1 (en) 2007-10-15 2010-04-14 Signal transmission circuit and storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/070081 WO2009050770A1 (ja) 2007-10-15 2007-10-15 信号伝送回路及び記憶装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/760,397 Continuation US20100195473A1 (en) 2007-10-15 2010-04-14 Signal transmission circuit and storage device

Publications (1)

Publication Number Publication Date
WO2009050770A1 true WO2009050770A1 (ja) 2009-04-23

Family

ID=40567066

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/070081 WO2009050770A1 (ja) 2007-10-15 2007-10-15 信号伝送回路及び記憶装置

Country Status (3)

Country Link
US (1) US20100195473A1 (ja)
JP (1) JPWO2009050770A1 (ja)
WO (1) WO2009050770A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7447043B2 (ja) 2021-03-18 2024-03-11 株式会社東芝 ディスク装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6666244B2 (ja) 2013-11-27 2020-03-13 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 被検体のパルス移動時間及び／又はパルス波速度情報を獲得するためのデバイスおよび方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528402A (ja) * 1991-07-25 1993-02-05 Nec Ibaraki Ltd 磁気デイスク装置
JPH07202954A (ja) * 1994-01-07 1995-08-04 Nippon Telegr & Teleph Corp <Ntt> 伝送制御装置
JPH08130508A (ja) * 1994-10-31 1996-05-21 Hitachi Cable Ltd 光伝送システム、双方向光伝送システム、光多重伝送システム、空間光伝送システム、および空間光多重伝送システム
JP2001015854A (ja) * 1999-06-29 2001-01-19 Toshiba Corp 光半導体素子駆動回路及び光送受信モジュール
JP2002319905A (ja) * 2001-04-19 2002-10-31 Matsushita Electric Ind Co Ltd 光双方向多重伝送システムおよびそこで用いられる光モジュール

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003283438A (ja) * 2002-03-22 2003-10-03 Nec Corp 光伝送装置および光伝送方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528402A (ja) * 1991-07-25 1993-02-05 Nec Ibaraki Ltd 磁気デイスク装置
JPH07202954A (ja) * 1994-01-07 1995-08-04 Nippon Telegr & Teleph Corp <Ntt> 伝送制御装置
JPH08130508A (ja) * 1994-10-31 1996-05-21 Hitachi Cable Ltd 光伝送システム、双方向光伝送システム、光多重伝送システム、空間光伝送システム、および空間光多重伝送システム
JP2001015854A (ja) * 1999-06-29 2001-01-19 Toshiba Corp 光半導体素子駆動回路及び光送受信モジュール
JP2002319905A (ja) * 2001-04-19 2002-10-31 Matsushita Electric Ind Co Ltd 光双方向多重伝送システムおよびそこで用いられる光モジュール

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7447043B2 (ja) 2021-03-18 2024-03-11 株式会社東芝 ディスク装置

Also Published As

Publication number Publication date
JPWO2009050770A1 (ja) 2011-02-24
US20100195473A1 (en) 2010-08-05

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