JPS60104809U - plastic optical unit - Google Patents

plastic optical unit

Info

Publication number
JPS60104809U
JPS60104809U JP1983197745U JP19774583U JPS60104809U JP S60104809 U JPS60104809 U JP S60104809U JP 1983197745 U JP1983197745 U JP 1983197745U JP 19774583 U JP19774583 U JP 19774583U JP S60104809 U JPS60104809 U JP S60104809U
Authority
JP
Japan
Prior art keywords
optical unit
plastic optical
plastic
unit
moisture
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
JP1983197745U
Other languages
Japanese (ja)
Inventor
英徳 伊藤
佐伯　講介
宮下　隆明
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP1983197745U priority Critical patent/JPS60104809U/en
Publication of JPS60104809U publication Critical patent/JPS60104809U/en
Pending legal-status Critical Current

Links

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図はこの考案の第一の実施例を示す縦断側面図、第
２図は変形例を示す縦断側面図、第３図はこの考案の第
二の実施例を示す縦断側面図である。 ６・・・防湿層。−゛FIG. 1 is a longitudinal side view showing a first embodiment of this invention, FIG. 2 is a longitudinal side view showing a modified example, and FIG. 3 is a longitudinal side view showing a second embodiment of this invention. 6... Moisture-proof layer. −゛

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プラスチック材料を用いた光学ユニットにおいて、光透
蓮部分を除くユニット外面全体に防湿層を形成したこと
を特徴とするプラスチック光学ユニット。1. A plastic optical unit using a plastic material, characterized in that a moisture-proof layer is formed on the entire outer surface of the unit except for a light-transmitting lotus part.
JP1983197745U 1983-12-22 1983-12-22 plastic optical unit Pending JPS60104809U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983197745U JPS60104809U (en) 1983-12-22 1983-12-22 plastic optical unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983197745U JPS60104809U (en) 1983-12-22 1983-12-22 plastic optical unit

Publications (1)

Publication Number Publication Date
JPS60104809U true JPS60104809U (en) 1985-07-17

Family

ID=30756204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983197745U Pending JPS60104809U (en) 1983-12-22 1983-12-22 plastic optical unit

Country Status (1)

Country Link
JP (1) JPS60104809U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071404A1 (en) * 2000-03-17 2001-09-27 Nikon Corporation Optical device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050048A (en) * 1973-09-01 1975-05-06
JPS5118778U (en) * 1974-07-26 1976-02-10
JPS55142308A (en) * 1979-04-24 1980-11-06 Canon Inc Plastic lens holding body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050048A (en) * 1973-09-01 1975-05-06
JPS5118778U (en) * 1974-07-26 1976-02-10
JPS55142308A (en) * 1979-04-24 1980-11-06 Canon Inc Plastic lens holding body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071404A1 (en) * 2000-03-17 2001-09-27 Nikon Corporation Optical device

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