DE2637606A1 - Einstellscheibe - Google Patents

Einstellscheibe

Info

Publication number
DE2637606A1
DE2637606A1 DE19762637606 DE2637606A DE2637606A1 DE 2637606 A1 DE2637606 A1 DE 2637606A1 DE 19762637606 DE19762637606 DE 19762637606 DE 2637606 A DE2637606 A DE 2637606A DE 2637606 A1 DE2637606 A1 DE 2637606A1
Authority
DE
Germany
Prior art keywords
light
elements
disc
lens
glass
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Withdrawn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
DE19762637606
Other languages
German (de)
English (en)
Inventor
Richard M Altman
Thomas D Mclaughlin
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.)
Optigon Research and Development Corp
Original Assignee
Optigon Research and Development 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 Optigon Research and Development Corp filed Critical Optigon Research and Development Corp
Publication of DE2637606A1 publication Critical patent/DE2637606A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G03B13/24—Focusing screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
DE19762637606 1975-08-21 1976-08-20 Einstellscheibe Withdrawn DE2637606A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60635075A 1975-08-21 1975-08-21

Publications (1)

Publication Number Publication Date
DE2637606A1 true DE2637606A1 (de) 1977-03-03

Family

ID=24427616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762637606 Withdrawn DE2637606A1 (de) 1975-08-21 1976-08-20 Einstellscheibe

Country Status (4)

Country Link
US (1) US4121234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5238219A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2637606A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1562703A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492232A (en) * 1977-12-28 1979-07-21 Canon Inc Camera
US5630001A (en) * 1995-05-22 1997-05-13 Motorola Image generator for use in image manifestation apparatus
USD760234S1 (en) * 2012-11-30 2016-06-28 Fujifilm Corporation Display screen for digital camera

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574582A (en) * 1965-05-17 1971-04-13 American Optical Corp Method for making fiber optical image-conducting devices embodying stray light-absorbing means
US3661065A (en) * 1968-02-08 1972-05-09 Yasuo Yamazaki Device for optical focusing a glass fiber plate as a focusing screen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188751A (en) * 1921-08-12 1922-11-13 William Edward Mcconnell Improvements in or connected with cinematograph and other lantern screens
US2213077A (en) * 1937-01-02 1940-08-27 Firm Of Fernseh Ag Transparent projection screen
US2323754A (en) * 1939-10-17 1943-07-06 Technicolor Motion Picture Illumination of photographic screens
GB675925A (en) * 1950-10-06 1952-07-16 Frederick Charles Sheffield Improvements in or relating to television receivers
US3133139A (en) * 1958-05-19 1964-05-12 George L Beers Directional glare reducing viewing device
DE1154713B (de) * 1960-07-07 1963-09-19 Voigtlaender Ag Einstellscheibe fuer Spiegelreflexkameras
US3274912A (en) * 1961-03-01 1966-09-27 Konishiroku Photo Ind Single-lens reflex camera
US3253500A (en) * 1964-05-11 1966-05-31 American Optical Corp Doubly clad light-conducting fibers with the outer cladding being partially light absorbing
US3498198A (en) * 1965-02-18 1970-03-03 Nippon Kogaku Kk Single reflex camera with interchangeable focussing screens
US3502389A (en) * 1967-12-05 1970-03-24 Edwin H Hilborn Screen for front surface projection
US3703660A (en) * 1971-08-19 1972-11-21 Corning Glass Works Photochromic fiber optic image storage device
US3797910A (en) * 1971-09-14 1974-03-19 Corning Glass Works Fiber optic device having some fibers clad with absorbing glasses
US3913872A (en) * 1973-01-18 1975-10-21 Bell & Howell Co Light tunnel for uniformly illuminating an object

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574582A (en) * 1965-05-17 1971-04-13 American Optical Corp Method for making fiber optical image-conducting devices embodying stray light-absorbing means
US3661065A (en) * 1968-02-08 1972-05-09 Yasuo Yamazaki Device for optical focusing a glass fiber plate as a focusing screen

Also Published As

Publication number Publication date
JPS614095B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-02-06
GB1562703A (en) 1980-03-12
US4121234A (en) 1978-10-17
JPS5238219A (en) 1977-03-24

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Legal Events

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

Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM.

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