FR2070845A7 - - Google Patents
Info
- Publication number
- FR2070845A7 FR2070845A7 FR7044662A FR7044662A FR2070845A7 FR 2070845 A7 FR2070845 A7 FR 2070845A7 FR 7044662 A FR7044662 A FR 7044662A FR 7044662 A FR7044662 A FR 7044662A FR 2070845 A7 FR2070845 A7 FR 2070845A7
- 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
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)
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 true FR2070845A7 (en) | 1971-09-17 |
FR2070845B3 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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465247A1 (en) * | 1979-09-11 | 1981-03-20 | Wright John | EXTENDING PLATFORM FOR WEARING SLIDES FOR A SURPLOMBED PROJECTOR DIASCOPE |
FR2642187A1 (en) * | 1989-01-23 | 1990-07-27 | Monnot Gerard | Viewer briefcase for transparent documents |
WO1994016359A1 (en) * | 1993-01-06 | 1994-07-21 | Minnesota Mining And Manufacturing Company | Light-blocking transparency assembly |
Families Citing this family (2)
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 |
NO166556C (en) * | 1988-10-06 | 1991-08-07 | Egil Kaare Hjelmeland | MOVABLE SUPPORT FOR TRANSPARENCY. |
-
1969
- 1969-12-13 NL NL6918742A patent/NL6918742A/xx unknown
-
1970
- 1970-11-26 DE DE19702058214 patent/DE2058214A1/en active Pending
- 1970-12-09 AU AU23148/70A patent/AU2314870A/en not_active Expired
- 1970-12-10 JP JP10903170A patent/JPS4942699B1/ja active Pending
- 1970-12-11 FR FR7044662A patent/FR2070845B3/fr not_active Expired
- 1970-12-11 BE BE760257A patent/BE760257A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465247A1 (en) * | 1979-09-11 | 1981-03-20 | Wright John | EXTENDING PLATFORM FOR WEARING SLIDES FOR A SURPLOMBED PROJECTOR DIASCOPE |
FR2642187A1 (en) * | 1989-01-23 | 1990-07-27 | Monnot Gerard | Viewer briefcase for transparent documents |
WO1994016359A1 (en) * | 1993-01-06 | 1994-07-21 | Minnesota Mining And Manufacturing Company | Light-blocking transparency assembly |
Also Published As
Publication number | Publication date |
---|---|
JPS4942699B1 (en) | 1974-11-16 |
NL6918742A (en) | 1971-06-15 |
BE760257A (en) | 1971-06-11 |
AU2314870A (en) | 1972-06-15 |
FR2070845B3 (en) | 1973-08-10 |
DE2058214A1 (en) | 1971-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |