FR2465247A1 - Plateforme formant prolongement pour porter des diapositives pour un diascope a projecteur en surplomb - Google Patents
Plateforme formant prolongement pour porter des diapositives pour un diascope a projecteur en surplomb Download PDFInfo
- Publication number
- FR2465247A1 FR2465247A1 FR8019435A FR8019435A FR2465247A1 FR 2465247 A1 FR2465247 A1 FR 2465247A1 FR 8019435 A FR8019435 A FR 8019435A FR 8019435 A FR8019435 A FR 8019435A FR 2465247 A1 FR2465247 A1 FR 2465247A1
- Authority
- FR
- France
- Prior art keywords
- platform
- slides
- book
- forming
- extension
- Prior art date
- 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.)
- Granted
Links
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 241000252254 Catostomidae Species 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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)
- Projection Apparatus (AREA)
- Coin-Freed Apparatuses For Hiring Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7449079A | 1979-09-11 | 1979-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2465247A1 true FR2465247A1 (fr) | 1981-03-20 |
| FR2465247B1 FR2465247B1 (OSRAM) | 1983-12-16 |
Family
ID=22119833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8019435A Granted FR2465247A1 (fr) | 1979-09-11 | 1980-09-09 | Plateforme formant prolongement pour porter des diapositives pour un diascope a projecteur en surplomb |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA1125066A (OSRAM) |
| CH (1) | CH647340A5 (OSRAM) |
| DE (1) | DE3025927A1 (OSRAM) |
| DK (1) | DK379080A (OSRAM) |
| FR (1) | FR2465247A1 (OSRAM) |
| GB (1) | GB2060193B (OSRAM) |
| NL (1) | NL8005104A (OSRAM) |
| SE (1) | SE445394B (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE439999B (sv) * | 1984-07-23 | 1985-07-08 | Nord Ab Ingfirma | Forfarande for presentation av information pa ett flertal arkformiga informationsberare samt anordning for genomforande av forfarandet |
| USD307030S (en) | 1987-04-10 | 1990-04-03 | Buhl Industries | Light box assembly for an overhead projector |
| DE4241860A1 (de) * | 1992-12-11 | 1994-06-16 | Geha Werke Gmbh | Wechseleinrichtung für die Projektion von Overhead-Folien und Klarsicht-Folientasche |
| WO1994024605A1 (en) * | 1993-04-16 | 1994-10-27 | Nichod Inc. | Transparency organizer and storage tray |
| USD373779S (en) | 1994-10-31 | 1996-09-17 | Plus Corporation | Combined overhead projector and automatic film feeding unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253358A (en) * | 1963-07-17 | 1966-05-31 | John S Wright | Visual teaching system |
| FR2013881A1 (OSRAM) * | 1968-07-29 | 1970-04-10 | Wright John | |
| FR2070845A7 (OSRAM) * | 1969-12-13 | 1971-09-17 | Philips Nv | |
| US3640613A (en) * | 1967-03-24 | 1972-02-08 | Scott Paper Co | Transparency display apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3709590A (en) * | 1970-09-14 | 1973-01-09 | A Bisberg | Folder for overhead projector |
-
1980
- 1980-07-09 CA CA355,818A patent/CA1125066A/en not_active Expired
- 1980-07-09 DE DE19803025927 patent/DE3025927A1/de not_active Withdrawn
- 1980-08-18 GB GB8026841A patent/GB2060193B/en not_active Expired
- 1980-08-19 SE SE8005825A patent/SE445394B/sv not_active IP Right Cessation
- 1980-09-05 DK DK379080A patent/DK379080A/da not_active Application Discontinuation
- 1980-09-09 CH CH6749/80A patent/CH647340A5/de not_active IP Right Cessation
- 1980-09-09 FR FR8019435A patent/FR2465247A1/fr active Granted
- 1980-09-10 NL NL8005104A patent/NL8005104A/nl not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253358A (en) * | 1963-07-17 | 1966-05-31 | John S Wright | Visual teaching system |
| US3640613A (en) * | 1967-03-24 | 1972-02-08 | Scott Paper Co | Transparency display apparatus |
| FR2013881A1 (OSRAM) * | 1968-07-29 | 1970-04-10 | Wright John | |
| FR2070845A7 (OSRAM) * | 1969-12-13 | 1971-09-17 | Philips Nv |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8005104A (nl) | 1981-03-13 |
| GB2060193A (en) | 1981-04-29 |
| CH647340A5 (de) | 1985-01-15 |
| DE3025927A1 (de) | 1981-03-26 |
| SE8005825L (sv) | 1981-03-12 |
| GB2060193B (en) | 1983-08-24 |
| CA1125066A (en) | 1982-06-08 |
| DK379080A (da) | 1981-03-12 |
| SE445394B (sv) | 1986-06-16 |
| FR2465247B1 (OSRAM) | 1983-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |