FR2110049A6 - - Google Patents

Info

Publication number
FR2110049A6
FR2110049A6 FR7138101A FR7138101A FR2110049A6 FR 2110049 A6 FR2110049 A6 FR 2110049A6 FR 7138101 A FR7138101 A FR 7138101A FR 7138101 A FR7138101 A FR 7138101A FR 2110049 A6 FR2110049 A6 FR 2110049A6
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
FR7138101A
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR2110049A6 publication Critical patent/FR2110049A6/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
    • G02B5/08—Mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/50—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus
    • G03B17/52—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus of the Land type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Viewfinders (AREA)
FR7138101A 1970-10-22 1971-10-22 Expired FR2110049A6 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8303070A 1970-10-22 1970-10-22

Publications (1)

Publication Number Publication Date
FR2110049A6 true FR2110049A6 (fr) 1972-05-26

Family

ID=22175725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7138101A Expired FR2110049A6 (fr) 1970-10-22 1971-10-22

Country Status (11)

Country Link
US (1) US3690240A (fr)
JP (1) JPS568336B1 (fr)
AT (1) AT316984B (fr)
AU (1) AU469434B2 (fr)
CA (1) CA996393A (fr)
CH (1) CH550419A (fr)
DE (1) DE2152789C2 (fr)
FR (1) FR2110049A6 (fr)
GB (1) GB1357655A (fr)
IT (1) IT996029B (fr)
NL (1) NL7114495A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860940A (en) * 1972-06-21 1975-01-14 Polaroid Corp Reflex camera viewfinder with image correcting means
US3971051A (en) * 1973-06-29 1976-07-20 Polaroid Corporation Focusing screen
US4181412A (en) * 1976-02-14 1980-01-01 Ernst Leitz Wetzlar Gmbh Optical exposure measuring system for photographic cameras
JPS5876245U (ja) * 1981-11-18 1983-05-23 日本電気株式会社 タイマ回路
US4812864A (en) * 1988-02-16 1989-03-14 Polaroid Corporation Camera and two-element viewfinder
US5222025A (en) * 1990-07-27 1993-06-22 Eastman Kodak Company Method of generating Fresnel mirrors suitable for use with image display systems
US5087116A (en) * 1990-07-27 1992-02-11 Eastman Kodak Company Reflective image display including a first mirror and a Fresnel mirror
GB9121154D0 (en) * 1991-10-04 1991-11-20 Pilkington Plc Car head-up displays

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933132C (de) * 1953-12-25 1955-09-15 Zeiss Ikon Ag Einaeugige Spiegelreflexkamera
US2859745A (en) * 1954-05-04 1958-11-11 Brudersdorff Luis Von Solar energy operated heaters
US3003387A (en) * 1957-07-11 1961-10-10 Rollei Werke Franke Heidecke Focusing screen for camera finders
US2945417A (en) * 1958-05-12 1960-07-19 Coleman R Caryl Apparatus and mechanism for concentrating solar rays on objects to be tested
DE1257012B (de) * 1963-07-12 1967-12-21 Zeiss Ikon Ag Spiegelreflexkamera mit Photoelement
US3464338A (en) * 1966-12-27 1969-09-02 Pentacon Dresden Veb Reflex viewfinder

Also Published As

Publication number Publication date
JPS568336B1 (fr) 1981-02-23
US3690240A (en) 1972-09-12
AU3450771A (en) 1973-04-19
GB1357655A (en) 1974-06-26
CA996393A (en) 1976-09-07
DE2152789C2 (de) 1982-06-16
CH550419A (de) 1974-06-14
IT996029B (it) 1975-12-10
DE2152789A1 (de) 1972-04-27
NL7114495A (fr) 1972-04-25
AT316984B (de) 1974-08-12
AU469434B2 (en) 1976-02-12

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