DE4042055A1 - Fassung fuer eine plastiklinse - Google Patents

Fassung fuer eine plastiklinse

Info

Publication number
DE4042055A1
DE4042055A1 DE4042055A DE4042055A DE4042055A1 DE 4042055 A1 DE4042055 A1 DE 4042055A1 DE 4042055 A DE4042055 A DE 4042055A DE 4042055 A DE4042055 A DE 4042055A DE 4042055 A1 DE4042055 A1 DE 4042055A1
Authority
DE
Germany
Prior art keywords
lens
sprue
plastic lens
plastic
recess
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.)
Withdrawn
Application number
DE4042055A
Other languages
German (de)
English (en)
Inventor
Hiroshi Nomura
Takayuki 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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE4042055A1 publication Critical patent/DE4042055A1/de
Withdrawn legal-status Critical Current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
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • 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
    • 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
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
DE4042055A 1990-05-23 1990-12-28 Fassung fuer eine plastiklinse Withdrawn DE4042055A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990053893U JPH0413909U (enrdf_load_stackoverflow) 1990-05-23 1990-05-23

Publications (1)

Publication Number Publication Date
DE4042055A1 true DE4042055A1 (de) 1991-11-28

Family

ID=12955406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4042055A Withdrawn DE4042055A1 (de) 1990-05-23 1990-12-28 Fassung fuer eine plastiklinse

Country Status (5)

Country Link
JP (1) JPH0413909U (enrdf_load_stackoverflow)
KR (1) KR970003951Y1 (enrdf_load_stackoverflow)
DE (1) DE4042055A1 (enrdf_load_stackoverflow)
FR (1) FR2662509B1 (enrdf_load_stackoverflow)
GB (1) GB2244345B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4042052A1 (de) * 1990-05-25 1991-11-28 Asahi Optical Co Ltd Haltevorrichtung fuer ein ringfoermiges element
DE19831789C2 (de) * 1997-08-13 2002-08-01 Friedrich A Schroeder Zweihäusige Camera mit wechselbarer Doppelkammer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3365843B2 (ja) * 1993-12-08 2003-01-14 オリンパス光学工業株式会社 レンズ保持装置
JP2001033678A (ja) * 1999-07-21 2001-02-09 Seiko Precision Inc 光学検知装置
JP2005108365A (ja) * 2003-10-01 2005-04-21 Ntn Corp 光学式ピックアップのレンズホルダおよびレンズプロテクタ、ならびにそれらの製造方法
JP2011252933A (ja) * 2008-09-18 2011-12-15 Alps Electric Co Ltd ガラスレンズ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205774A (en) * 1961-07-24 1965-09-14 Eastman Kodak Co Thermally compensated plastic triplet lens
EP0100379A1 (en) * 1982-07-29 1984-02-15 Olympus Optical Co., Ltd. Plastic lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972411A (ja) * 1982-10-20 1984-04-24 Hitachi Ltd プラスチツクレンズ
JPS6023941A (ja) * 1984-06-06 1985-02-06 Hitachi Ltd バイアスライト装置
JPS61256313A (ja) * 1985-05-10 1986-11-13 Mitsubishi Electric Corp 光情報処理装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205774A (en) * 1961-07-24 1965-09-14 Eastman Kodak Co Thermally compensated plastic triplet lens
EP0100379A1 (en) * 1982-07-29 1984-02-15 Olympus Optical Co., Ltd. Plastic lens

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Greis, Kirchdorf Proc. Symp. on Optical Surface Technology, Garmisch-Partenkirchen 12.-14. April 1983 *
JP 60-23 941 A mit Patents Abstracts of Japan, Vol. 9, No. 140 (E-321) June, 14, 1985 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4042052A1 (de) * 1990-05-25 1991-11-28 Asahi Optical Co Ltd Haltevorrichtung fuer ein ringfoermiges element
DE19831789C2 (de) * 1997-08-13 2002-08-01 Friedrich A Schroeder Zweihäusige Camera mit wechselbarer Doppelkammer

Also Published As

Publication number Publication date
GB2244345B (en) 1994-06-15
FR2662509B1 (fr) 1994-05-27
JPH0413909U (enrdf_load_stackoverflow) 1992-02-04
FR2662509A1 (fr) 1991-11-29
GB9028116D0 (en) 1991-02-13
KR970003951Y1 (ko) 1997-04-24
GB2244345A (en) 1991-11-27
KR910020736U (ko) 1991-12-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: SCHAUMBURG, K., DIPL.-ING. THOENES, D., DIPL.-PHYS

8128 New person/name/address of the agent

Representative=s name: SCHAUMBURG, K., DIPL.-ING. THOENES, D., DIPL.-PHYS

8136 Disposal/non-payment of the fee for publication/grant