FR2027379A1 - - Google Patents

Info

Publication number
FR2027379A1
FR2027379A1 FR6945433A FR6945433A FR2027379A1 FR 2027379 A1 FR2027379 A1 FR 2027379A1 FR 6945433 A FR6945433 A FR 6945433A FR 6945433 A FR6945433 A FR 6945433A FR 2027379 A1 FR2027379 A1 FR 2027379A1
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.)
Withdrawn
Application number
FR6945433A
Other languages
French (fr)
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2027379A1 publication Critical patent/FR2027379A1/fr
Withdrawn legal-status Critical Current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
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
    • 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
    • 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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
FR6945433A 1968-12-30 1969-12-30 Withdrawn FR2027379A1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11470668U JPS4724425Y1 (ja) 1968-12-30 1968-12-30

Publications (1)

Publication Number Publication Date
FR2027379A1 true FR2027379A1 (ja) 1970-09-25

Family

ID=14644568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6945433A Withdrawn FR2027379A1 (ja) 1968-12-30 1969-12-30

Country Status (3)

Country Link
JP (1) JPS4724425Y1 (ja)
FR (1) FR2027379A1 (ja)
GB (2) GB1291810A (ja)

Also Published As

Publication number Publication date
DE1964787B2 (de) 1972-10-12
JPS4724425Y1 (ja) 1972-08-02
DE1964787A1 (de) 1970-07-16
GB1290892A (ja) 1972-09-27
GB1291810A (en) 1972-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse