JPS60184013U - lens unit - Google Patents

lens unit

Info

Publication number
JPS60184013U
JPS60184013U JP7014984U JP7014984U JPS60184013U JP S60184013 U JPS60184013 U JP S60184013U JP 7014984 U JP7014984 U JP 7014984U JP 7014984 U JP7014984 U JP 7014984U JP S60184013 U JPS60184013 U JP S60184013U
Authority
JP
Japan
Prior art keywords
lens unit
lens
lens barrel
lenses
divided
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.)
Pending
Application number
JP7014984U
Other languages
Japanese (ja)
Inventor
一郎 森下
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP7014984U priority Critical patent/JPS60184013U/en
Publication of JPS60184013U publication Critical patent/JPS60184013U/en
Pending legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)
  • Optical Head (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案によるレンズユニットを分解した状態で
示す断面図、第２図は他の実施例を示すレンズの断面図
、第３図は従来のレンズユニットを示す断面図、第４図
はレンズユニットを対物レンズとして使用した光学式ピ
ックアップの構成図である。 ２１．２２，２３．２４・・・レンズ、２１ａ、２２ａ
ｔ　　２３ａｔ　　２４ａ−−−分割鏡筒、Ａ、Ｂ、Ｃ
。 Ｄ、　Ｅ、　Ｆ・・・分割鏡筒を嵌合させるための凹凸
部。FIG. 1 is an exploded sectional view of a lens unit according to the present invention, FIG. 2 is a sectional view of another embodiment of the lens, FIG. 3 is a sectional view of a conventional lens unit, and FIG. 4 is a sectional view of a lens unit according to the present invention. FIG. 2 is a configuration diagram of an optical pickup using a lens unit as an objective lens. 21.22, 23.24... Lens, 21a, 22a
t 23at 24a---Divided lens barrel, A, B, C
. D, E, F... Concave and convex portions for fitting the divided lens barrels.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鏡筒内に複数枚のレンズが収納されているレンズユニッ
トにおいて、前記鏡筒が互いに嵌合されている複数の分
割鏡筒の組合せから成っており、且つ分割鏡筒とレンズ
とがプラスチック材料によって一体に成形されているこ
とを特徴とするレンズユニット。In a lens unit in which a plurality of lenses are housed in a lens barrel, the lens barrel is made up of a combination of a plurality of divided lens barrels that are fitted together, and the divided lens barrel and the lenses are made of plastic material. A lens unit characterized by being integrally molded.
JP7014984U 1984-05-14 1984-05-14 lens unit Pending JPS60184013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7014984U JPS60184013U (en) 1984-05-14 1984-05-14 lens unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7014984U JPS60184013U (en) 1984-05-14 1984-05-14 lens unit

Publications (1)

Publication Number Publication Date
JPS60184013U true JPS60184013U (en) 1985-12-06

Family

ID=30606485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7014984U Pending JPS60184013U (en) 1984-05-14 1984-05-14 lens unit

Country Status (1)

Country Link
JP (1) JPS60184013U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002269794A (en) * 2001-03-13 2002-09-20 Konica Corp Objective lens for optical pickup, and optical pickup
JP2015053117A (en) * 2013-09-05 2015-03-19 株式会社小糸製作所 Vehicular lamp and optical body

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237945B2 (en) * 1973-05-10 1977-09-26
JPS5990808A (en) * 1982-11-16 1984-05-25 Matsushita Electric Ind Co Ltd Plastic lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237945B2 (en) * 1973-05-10 1977-09-26
JPS5990808A (en) * 1982-11-16 1984-05-25 Matsushita Electric Ind Co Ltd Plastic lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002269794A (en) * 2001-03-13 2002-09-20 Konica Corp Objective lens for optical pickup, and optical pickup
JP2015053117A (en) * 2013-09-05 2015-03-19 株式会社小糸製作所 Vehicular lamp and optical body

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