FR1557256A - - Google Patents

Info

Publication number
FR1557256A
FR1557256A FR1557256DA FR1557256A FR 1557256 A FR1557256 A FR 1557256A FR 1557256D A FR1557256D A FR 1557256DA FR 1557256 A FR1557256 A FR 1557256A
Authority
FR
France
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
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1557256A publication Critical patent/FR1557256A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1557256D 1968-03-01 1968-03-01 Expired FR1557256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR142073 1968-03-01

Publications (1)

Publication Number Publication Date
FR1557256A true FR1557256A (en) 1969-02-14

Family

ID=8646856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557256D Expired FR1557256A (en) 1968-03-01 1968-03-01

Country Status (1)

Country Link
FR (1) FR1557256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111433590A (en) * 2017-12-07 2020-07-17 横河电机株式会社 Spectroscopic analyzer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111433590A (en) * 2017-12-07 2020-07-17 横河电机株式会社 Spectroscopic analyzer
EP3722787A4 (en) * 2017-12-07 2021-08-18 Yokogawa Electric Corporation Spectroscopic analyzer
US11181469B2 (en) 2017-12-07 2021-11-23 Yokogawa Electric Corporation Spectroscopic analysis device
CN111433590B (en) * 2017-12-07 2023-08-22 横河电机株式会社 Spectroscopic analysis device

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Legal Events

Date Code Title Description
ST Notification of lapse