CA996393A - Reflective imaging apparatus - Google Patents

Reflective imaging apparatus

Info

Publication number
CA996393A
CA996393A CA125,786A CA125786A CA996393A CA 996393 A CA996393 A CA 996393A CA 125786 A CA125786 A CA 125786A CA 996393 A CA996393 A CA 996393A
Authority
CA
Canada
Prior art keywords
imaging apparatus
reflective imaging
reflective
imaging
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.)
Expired
Application number
CA125,786A
Other languages
English (en)
Other versions
CA125786S (en
Inventor
Nathan Gold
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 CA996393A publication Critical patent/CA996393A/en
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)
CA125,786A 1970-10-22 1971-10-21 Reflective imaging apparatus Expired CA996393A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA996393A true CA996393A (en) 1976-09-07

Family

ID=22175725

Family Applications (1)

Application Number Title Priority Date Filing Date
CA125,786A Expired CA996393A (en) 1970-10-22 1971-10-21 Reflective imaging apparatus

Country Status (11)

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

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
DE2152789C2 (de) 1982-06-16
JPS568336B1 (de) 1981-02-23
CH550419A (de) 1974-06-14
AT316984B (de) 1974-08-12
AU3450771A (en) 1973-04-19
US3690240A (en) 1972-09-12
DE2152789A1 (de) 1972-04-27
AU469434B2 (en) 1976-02-12
IT996029B (it) 1975-12-10
NL7114495A (de) 1972-04-25
GB1357655A (en) 1974-06-26
FR2110049A6 (de) 1972-05-26

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