DE2542484C3 - Dia-Doppelprojektor - Google Patents
Dia-DoppelprojektorInfo
- Publication number
- DE2542484C3 DE2542484C3 DE2542484A DE2542484A DE2542484C3 DE 2542484 C3 DE2542484 C3 DE 2542484C3 DE 2542484 A DE2542484 A DE 2542484A DE 2542484 A DE2542484 A DE 2542484A DE 2542484 C3 DE2542484 C3 DE 2542484C3
- Authority
- DE
- Germany
- Prior art keywords
- switching
- magazine
- slide
- ratchet
- projection
- 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.)
- Expired
Links
- 230000008859 change Effects 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005562 fading Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 244000027321 Lychnis chalcedonica Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000011800 void material Substances 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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18416—Rotary to alternating rotary
- Y10T74/18464—Reciprocating rack connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/1987—Rotary bodies
- Y10T74/19879—Geneva
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Automatic Disk Changers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2542484A DE2542484C3 (de) | 1975-09-24 | 1975-09-24 | Dia-Doppelprojektor |
| GB24031/76A GB1532689A (en) | 1975-09-24 | 1976-06-10 | Optical projector |
| US05/725,140 US4063465A (en) | 1975-09-24 | 1976-09-17 | Magazine feeding mechanism for dual slide projectors |
| FR7628424A FR2325959A1 (fr) | 1975-09-24 | 1976-09-22 | Projecteur double de diapositives avec magasin commande pas a pas suivant deux sens opposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2542484A DE2542484C3 (de) | 1975-09-24 | 1975-09-24 | Dia-Doppelprojektor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2542484A1 DE2542484A1 (de) | 1977-04-14 |
| DE2542484B2 DE2542484B2 (de) | 1978-01-19 |
| DE2542484C3 true DE2542484C3 (de) | 1978-09-14 |
Family
ID=5957221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2542484A Expired DE2542484C3 (de) | 1975-09-24 | 1975-09-24 | Dia-Doppelprojektor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4063465A (https=) |
| DE (1) | DE2542484C3 (https=) |
| FR (1) | FR2325959A1 (https=) |
| GB (1) | GB1532689A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034195A1 (de) * | 1980-02-05 | 1981-08-26 | Rollei-Werke Franke & Heidecke GmbH + Co KG | Einrichtung zur Vereinfachung der Bedienung von Überblendprojektoren mit einem Magazin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912815A1 (de) * | 1989-04-19 | 1990-10-25 | Leica Gmbh | Diaprojektor fuer laengsmagazine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3159933A (en) * | 1961-05-15 | 1964-12-08 | Leitz Ernst Gmbh | Slide projector |
| US3121368A (en) * | 1961-03-16 | 1964-02-18 | Bell & Howell Co | Slide projector |
| FR1299334A (fr) * | 1961-09-04 | 1962-07-20 | Leitz Ernst Gmbh | Dispositif automatique de changement de cliché |
| US3194115A (en) * | 1962-07-26 | 1965-07-13 | Realist | Dual slide projector with a single magazine |
| FR1519086A (fr) * | 1967-04-13 | 1968-03-29 | Meopta Narodni Podnik | Procédé et dispositif pour le changement automatique des vues dans des projecteurs à deux objectifs |
| US3542464A (en) * | 1968-04-19 | 1970-11-24 | Panayotis Constantine Dimitrac | Compact automatic slide projector |
| USRE27503E (en) * | 1968-12-27 | 1972-10-10 | Slide projector | |
| US3606526A (en) * | 1970-03-13 | 1971-09-20 | Logetronics Inc | Indexing drive mechanism |
| DE2123841A1 (de) * | 1970-05-14 | 1971-12-09 | Eastman Kodak Co | Dia Projektor |
| AR199696A1 (es) * | 1972-12-06 | 1974-09-23 | Rollei Werke Franke Heidecke | Un proyector de diapositivas fotograficas |
| US3884569A (en) * | 1973-05-29 | 1975-05-20 | Singer Co | Slide tray and slide positioning mechanism for a rear-screen projector |
-
1975
- 1975-09-24 DE DE2542484A patent/DE2542484C3/de not_active Expired
-
1976
- 1976-06-10 GB GB24031/76A patent/GB1532689A/en not_active Expired
- 1976-09-17 US US05/725,140 patent/US4063465A/en not_active Expired - Lifetime
- 1976-09-22 FR FR7628424A patent/FR2325959A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034195A1 (de) * | 1980-02-05 | 1981-08-26 | Rollei-Werke Franke & Heidecke GmbH + Co KG | Einrichtung zur Vereinfachung der Bedienung von Überblendprojektoren mit einem Magazin |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2542484A1 (de) | 1977-04-14 |
| FR2325959B1 (https=) | 1981-08-07 |
| GB1532689A (en) | 1978-11-22 |
| DE2542484B2 (de) | 1978-01-19 |
| US4063465A (en) | 1977-12-20 |
| FR2325959A1 (fr) | 1977-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ROLLEI FOTOTECHNIC GMBH, 3300 BRAUNSCHWEIG, DE |
|
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |