JPH0321972B2 - - Google Patents

Info

Publication number
JPH0321972B2
JPH0321972B2 JP56163237A JP16323781A JPH0321972B2 JP H0321972 B2 JPH0321972 B2 JP H0321972B2 JP 56163237 A JP56163237 A JP 56163237A JP 16323781 A JP16323781 A JP 16323781A JP H0321972 B2 JPH0321972 B2 JP H0321972B2
Authority
JP
Japan
Prior art keywords
objective lens
coil
support
coils
permanent magnet
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 - Lifetime
Application number
JP56163237A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5864648A (ja
Inventor
Masayuki Ito
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56163237A priority Critical patent/JPS5864648A/ja
Publication of JPS5864648A publication Critical patent/JPS5864648A/ja
Publication of JPH0321972B2 publication Critical patent/JPH0321972B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP56163237A 1981-10-13 1981-10-13 対物レンズ駆動装置 Granted JPS5864648A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56163237A JPS5864648A (ja) 1981-10-13 1981-10-13 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56163237A JPS5864648A (ja) 1981-10-13 1981-10-13 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS5864648A JPS5864648A (ja) 1983-04-18
JPH0321972B2 true JPH0321972B2 (enrdf_load_html_response) 1991-03-25

Family

ID=15769938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56163237A Granted JPS5864648A (ja) 1981-10-13 1981-10-13 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS5864648A (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587466A (en) * 1982-12-09 1986-05-06 Magnetic Peripherals Two axis linear motor for optical focusing and tracking system in optical recording
US4646283A (en) 1983-05-31 1987-02-24 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus for optical disc player
JPS601630A (ja) * 1983-06-17 1985-01-07 Olympus Optical Co Ltd 情報トラツクの読取り装置
JPS6040535A (ja) * 1983-08-15 1985-03-02 Hitachi Ltd 対物レンズ駆動装置
JPS61101816U (enrdf_load_html_response) * 1984-12-11 1986-06-28
JPS61149116U (enrdf_load_html_response) * 1985-03-01 1986-09-13
US4845699A (en) * 1986-03-04 1989-07-04 Sanyo Electric Co., Ltd. Electric mechanical transducer and optical type pickup apparatus driven by a magnetic field
JPS63138621U (enrdf_load_html_response) * 1987-02-28 1988-09-13
JP2770304B2 (ja) * 1988-01-27 1998-07-02 ソニー株式会社 対物レンズ駆動装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7703232A (nl) * 1977-03-25 1978-09-27 Philips Nv Optische aftastinrichting.
JPS5625332U (enrdf_load_html_response) * 1979-07-31 1981-03-07

Also Published As

Publication number Publication date
JPS5864648A (ja) 1983-04-18

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