BR7705679A - Aperfeicoamentos em projetor otico do tipo para projetar um cone de luz a partir de uma microfilmagem iluminada,em elemento otico de dupla funcao e em dispositivo otico - Google Patents

Aperfeicoamentos em projetor otico do tipo para projetar um cone de luz a partir de uma microfilmagem iluminada,em elemento otico de dupla funcao e em dispositivo otico

Info

Publication number
BR7705679A
BR7705679A BR7705679A BR7705679A BR7705679A BR 7705679 A BR7705679 A BR 7705679A BR 7705679 A BR7705679 A BR 7705679A BR 7705679 A BR7705679 A BR 7705679A BR 7705679 A BR7705679 A BR 7705679A
Authority
BR
Brazil
Prior art keywords
optical
project
light cone
double function
type projector
Prior art date
Application number
BR7705679A
Other languages
English (en)
Portuguese (pt)
Inventor
G Yevick
Original Assignee
Izon 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 Izon Corp filed Critical Izon Corp
Publication of BR7705679A publication Critical patent/BR7705679A/pt

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Facsimile Scanning Arrangements (AREA)
BR7705679A 1976-09-13 1977-08-25 Aperfeicoamentos em projetor otico do tipo para projetar um cone de luz a partir de uma microfilmagem iluminada,em elemento otico de dupla funcao e em dispositivo otico BR7705679A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71785876A 1976-09-13 1976-09-13

Publications (1)

Publication Number Publication Date
BR7705679A true BR7705679A (pt) 1978-06-27

Family

ID=24883776

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7705679A BR7705679A (pt) 1976-09-13 1977-08-25 Aperfeicoamentos em projetor otico do tipo para projetar um cone de luz a partir de uma microfilmagem iluminada,em elemento otico de dupla funcao e em dispositivo otico

Country Status (13)

Country Link
JP (1) JPS5341227A (enrdf_load_stackoverflow)
AT (1) AT368640B (enrdf_load_stackoverflow)
BE (1) BE858178A (enrdf_load_stackoverflow)
BR (1) BR7705679A (enrdf_load_stackoverflow)
CA (1) CA1103492A (enrdf_load_stackoverflow)
DE (1) DE2738658C3 (enrdf_load_stackoverflow)
ES (1) ES461877A1 (enrdf_load_stackoverflow)
FR (1) FR2413686A1 (enrdf_load_stackoverflow)
GB (1) GB1590679A (enrdf_load_stackoverflow)
HK (1) HK41884A (enrdf_load_stackoverflow)
IN (1) IN149132B (enrdf_load_stackoverflow)
MX (1) MX148985A (enrdf_load_stackoverflow)
NL (1) NL7709456A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163927U (enrdf_load_stackoverflow) * 1978-05-10 1979-11-16
DE2906477C3 (de) 1979-02-20 1995-02-09 Rohrmoser Alois Skifabrik Skibremse
GB8804402D0 (en) * 1988-02-25 1988-03-23 Emi Plc Thorn Display device
US8562145B2 (en) 2011-06-22 2013-10-22 3M Innovative Properties Company Display system and method for projection onto non-planar surfaces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711188A (en) * 1970-06-10 1973-01-16 Visidyne Inc Compact optical display system
US3692399A (en) * 1970-06-23 1972-09-19 Stewart Filmscreen Corp Microfilm viewer
US3782805A (en) * 1972-11-30 1974-01-01 Qantix Corp Front projection screen made from a transparent material
US3846012A (en) * 1973-11-14 1974-11-05 Qantix Corp Transparent front projection screen having concave ridges thereon
JPS5345141B2 (enrdf_load_stackoverflow) * 1973-12-18 1978-12-04
US3941467A (en) * 1974-10-29 1976-03-02 Kaptron, Inc. Optical projector/reader

Also Published As

Publication number Publication date
BE858178A (fr) 1977-12-16
NL7709456A (nl) 1978-03-15
HK41884A (en) 1984-05-18
ES461877A1 (es) 1978-12-01
FR2413686A1 (fr) 1979-07-27
JPS6210418B2 (enrdf_load_stackoverflow) 1987-03-06
DE2738658B2 (de) 1979-10-11
DE2738658A1 (de) 1978-03-16
IN149132B (enrdf_load_stackoverflow) 1981-09-19
AT368640B (de) 1982-10-25
CA1103492A (en) 1981-06-23
MX148985A (es) 1983-08-05
GB1590679A (en) 1981-06-03
ATA614277A (de) 1982-02-15
FR2413686B1 (enrdf_load_stackoverflow) 1984-05-18
JPS5341227A (en) 1978-04-14
DE2738658C3 (de) 1980-08-07

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