ATA408077A - Optisches system zur aenderung des brennpunktes entlang eines hauptmeridianes - Google Patents

Optisches system zur aenderung des brennpunktes entlang eines hauptmeridianes

Info

Publication number
ATA408077A
ATA408077A AT408077A AT408077A ATA408077A AT A408077 A ATA408077 A AT A408077A AT 408077 A AT408077 A AT 408077A AT 408077 A AT408077 A AT 408077A AT A408077 A ATA408077 A AT A408077A
Authority
AT
Austria
Prior art keywords
pouring
manipulator
attaching
discharge slider
ladle
Prior art date
Application number
AT408077A
Other languages
English (en)
Other versions
AT350809B (de
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of ATA408077A publication Critical patent/ATA408077A/de
Application granted granted Critical
Publication of AT350809B publication Critical patent/AT350809B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
AT408077A 1976-07-16 1977-06-08 Optisches system zur aenderung des brennpunktes entlang eines hauptmeridianes AT350809B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/705,852 US4043641A (en) 1976-07-16 1976-07-16 Three-lens system providing a variable focal power along one principal meridian

Publications (2)

Publication Number Publication Date
ATA408077A true ATA408077A (de) 1978-11-15
AT350809B AT350809B (de) 1979-06-25

Family

ID=24835223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT408077A AT350809B (de) 1976-07-16 1977-06-08 Optisches system zur aenderung des brennpunktes entlang eines hauptmeridianes

Country Status (9)

Country Link
US (1) US4043641A (de)
JP (1) JPS5312344A (de)
AT (1) AT350809B (de)
CA (1) CA1073717A (de)
CH (1) CH617019A5 (de)
DE (1) DE2724237C2 (de)
FR (1) FR2358670A1 (de)
GB (1) GB1578544A (de)
HK (1) HK24481A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466785A1 (fr) * 1979-09-28 1981-04-10 Philips Nv Objectif a focale variable suivant de grands rapports comportant des surfaces aspheriques
US4367015A (en) * 1980-10-30 1983-01-04 Warner Lambert Technologies, Inc. Control means for optical instrumentation
JPS59182625A (ja) * 1983-03-31 1984-10-17 Nippon Denso Co Ltd アナログスイツチ回路
JPS63273806A (ja) * 1987-05-01 1988-11-10 Semiconductor Energy Lab Co Ltd レ−ザ加工用対物レンズ
CA2119123C (en) * 1991-10-07 2002-11-05 E. C. George Sudarshan Image rotation device
US5430575A (en) * 1991-10-07 1995-07-04 Quantum Optical Devices, Ltd. Image rotation device
KR950006484A (ko) * 1993-08-06 1995-03-21 이대원 촬영렌즈를 이용한 광학시스템
JP2000039584A (ja) * 1998-07-23 2000-02-08 Fuji Photo Optical Co Ltd プロジェクタ装置
US10663700B2 (en) * 2018-01-30 2020-05-26 Coherent, Inc. Achromatic astigmatic anamorphic objective

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416074A (en) * 1933-03-08 1934-09-10 George William Ford Improvements in or relating to anamorphotic optical systems
US3576357A (en) * 1969-04-24 1971-04-27 Singer General Precision Envelope expansion optics for visual systems with perspective alteration means

Also Published As

Publication number Publication date
JPS5312344A (en) 1978-02-03
CA1073717A (en) 1980-03-18
DE2724237C2 (de) 1986-09-18
CH617019A5 (de) 1980-04-30
HK24481A (en) 1981-06-12
FR2358670B1 (de) 1980-05-09
US4043641A (en) 1977-08-23
DE2724237A1 (de) 1978-01-26
GB1578544A (en) 1980-11-05
FR2358670A1 (fr) 1978-02-10
JPS6143685B2 (de) 1986-09-29
AT350809B (de) 1979-06-25

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee