FR2102023A5 - - Google Patents

Info

Publication number
FR2102023A5
FR2102023A5 FR7130551A FR7130551A FR2102023A5 FR 2102023 A5 FR2102023 A5 FR 2102023A5 FR 7130551 A FR7130551 A FR 7130551A FR 7130551 A FR7130551 A FR 7130551A FR 2102023 A5 FR2102023 A5 FR 2102023A5
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
FR7130551A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2102023A5 publication Critical patent/FR2102023A5/fr
Expired 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
FR7130551A 1970-08-24 1971-08-23 Expired FR2102023A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4070070 1970-08-24

Publications (1)

Publication Number Publication Date
FR2102023A5 true FR2102023A5 (enExample) 1972-03-31

Family

ID=10416191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130551A Expired FR2102023A5 (enExample) 1970-08-24 1971-08-23

Country Status (3)

Country Link
US (1) US3739069A (enExample)
DE (1) DE2141524A1 (enExample)
FR (1) FR2102023A5 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914037A (en) * 1971-08-26 1975-10-21 Gelatt Investments Inc Lap model microfilm viewer
CH574619A5 (enExample) * 1973-01-25 1976-04-15 Lamip Di Aruanno A
US4185899A (en) * 1973-10-29 1980-01-29 Action Films, Inc. Combination viewer and projector
US3968575A (en) * 1975-04-02 1976-07-13 Marlin Van Wilson Teaching device
USD254868S (en) 1977-07-28 1980-04-29 Hoadley Howard W X-ray film viewer
US4174889A (en) * 1977-10-31 1979-11-20 Northern Engraving Company Travel monitor
US4203657A (en) * 1977-12-19 1980-05-20 Northern Engraving Company Micro image cassette and viewer
US4270850A (en) * 1977-12-19 1981-06-02 Realist, Inc. Microimage storage and retrieval apparatus
US4203658A (en) * 1977-12-19 1980-05-20 Northern Engraving Company Micro image storage and retrieval apparatus
US4167822A (en) * 1978-01-23 1979-09-18 Marvin Glass & Associates Driving toy projector
EP0050175B1 (fr) * 1980-10-16 1986-05-14 Dominique Ausseil Appareil de projection pour visionner des cassettes de microfilm
USD267180S (en) 1980-11-10 1982-12-07 Bell & Howell Company Microfilm reader
USD271030S (en) 1981-01-13 1983-10-18 North American Foreign Trading Corporation Preprogrammed toy sound generator
USD276733S (en) 1981-01-13 1984-12-11 North American Foreign Trading Corporation Teaching machine
US4693694A (en) * 1983-12-10 1987-09-15 Tomy Kogyo Co., Inc. Toy with moving screen
US4573928A (en) * 1984-10-26 1986-03-04 Tomy Kogyo Co., Inc. Teaching toy
TWM329192U (en) * 2007-08-09 2008-03-21 Tirid Tech Co Ltd Interactive projection apparatus

Also Published As

Publication number Publication date
US3739069A (en) 1973-06-12
DE2141524A1 (de) 1972-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse