FR2070845B3 - - Google Patents

Info

Publication number
FR2070845B3
FR2070845B3 FR7044662A FR7044662A FR2070845B3 FR 2070845 B3 FR2070845 B3 FR 2070845B3 FR 7044662 A FR7044662 A FR 7044662A FR 7044662 A FR7044662 A FR 7044662A FR 2070845 B3 FR2070845 B3 FR 2070845B3
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
FR7044662A
Other languages
French (fr)
Other versions
FR2070845A7 (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2070845A7 publication Critical patent/FR2070845A7/fr
Application granted granted Critical
Publication of FR2070845B3 publication Critical patent/FR2070845B3/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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Microscoopes, Condenser (AREA)
FR7044662A 1969-12-13 1970-12-11 Expired FR2070845B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6918742A NL6918742A (en) 1969-12-13 1969-12-13

Publications (2)

Publication Number Publication Date
FR2070845A7 FR2070845A7 (en) 1971-09-17
FR2070845B3 true FR2070845B3 (en) 1973-08-10

Family

ID=19808621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7044662A Expired FR2070845B3 (en) 1969-12-13 1970-12-11

Country Status (6)

Country Link
JP (1) JPS4942699B1 (en)
AU (1) AU2314870A (en)
BE (1) BE760257A (en)
DE (1) DE2058214A1 (en)
FR (1) FR2070845B3 (en)
NL (1) NL6918742A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5161021A (en) * 1974-11-26 1976-05-27 Hitachi Plant Eng & Constr Co HAIKANRUIOSHOMONOKOSHOHEHANNYU SUETSUKERUHOHO OYOBI SONOSOCHI
DE3025927A1 (en) * 1979-09-11 1981-03-26 John S. Milwaukee Wis. Wright EXTENSION PLATE FOR STORING TRANSPARENT IMAGES FOR AN OVERHEAD PROJECTOR
NO166556C (en) * 1988-10-06 1991-08-07 Egil Kaare Hjelmeland MOVABLE SUPPORT FOR TRANSPARENCY.
FR2642187B1 (en) * 1989-01-23 1992-04-17 Monnot Gerard VIEWER BRIEFCASE FOR TRANSPARENT DOCUMENTS
US5319400A (en) * 1993-01-06 1994-06-07 Minnesota Mining And Manufacturing Company Light-blocking transparency assembly

Also Published As

Publication number Publication date
BE760257A (en) 1971-06-11
JPS4942699B1 (en) 1974-11-16
FR2070845A7 (en) 1971-09-17
NL6918742A (en) 1971-06-15
DE2058214A1 (en) 1971-06-16
AU2314870A (en) 1972-06-15

Similar Documents

Publication Publication Date Title
AU429630B2 (en)
AU450150B2 (en)
FR2070845B3 (en)
FR2072825A5 (en)
AU470301B1 (en)
AU427401B2 (en)
AU470661B1 (en)
AU428131B2 (en)
AU425297B2 (en)
AU438128B2 (en)
AU428129B2 (en)
AU442285B2 (en)
AU442322B2 (en)
AU428074B2 (en)
AR203167Q (en)
CS148857B1 (en)
AU4923469A (en)
AU5133369A (en)
CH553874A (en)
CH1177369A4 (en)
CH567576A5 (en)
AU5066368A (en)
BE753270A (en)
BE747835A (en)
BE742344A (en)

Legal Events

Date Code Title Description
ST Notification of lapse