BE730941A - - Google Patents
Info
- Publication number
- BE730941A BE730941A BE730941DA BE730941A BE 730941 A BE730941 A BE 730941A BE 730941D A BE730941D A BE 730941DA BE 730941 A BE730941 A BE 730941A
- Authority
- BE
- Belgium
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
- G03B21/54—Accessories
- G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sheet Holders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71856368A | 1968-04-03 | 1968-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE730941A true BE730941A (de) | 1969-10-02 |
Family
ID=24886549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE730941D BE730941A (de) | 1968-04-03 | 1969-04-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3605304A (de) |
| JP (1) | JPS49456B1 (de) |
| BE (1) | BE730941A (de) |
| DE (1) | DE1916158A1 (de) |
| FR (1) | FR2005471A1 (de) |
| NL (1) | NL6905123A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711833A (en) * | 1971-06-07 | 1973-01-16 | C Starkey | Method of verifying signatures and forms carrier for use thereon |
| JPS5136060U (de) * | 1974-09-11 | 1976-03-17 | ||
| WO1981000085A1 (en) * | 1979-07-09 | 1981-01-22 | I Feingold | Indicia bearing geometric instrument |
| US4979814A (en) * | 1986-02-07 | 1990-12-25 | Stanfield James S | Viewing of developed roll of slide film |
| FR3110672A1 (fr) | 2020-05-25 | 2021-11-26 | Psa Automobiles Sa | Activation automatique d’un mode brouillard d’un système d’éclairage de véhicule |
-
1968
- 1968-04-03 US US718563A patent/US3605304A/en not_active Expired - Lifetime
-
1969
- 1969-03-28 DE DE19691916158 patent/DE1916158A1/de active Pending
- 1969-04-02 JP JP44024842A patent/JPS49456B1/ja active Pending
- 1969-04-02 BE BE730941D patent/BE730941A/xx unknown
- 1969-04-02 NL NL6905123A patent/NL6905123A/xx unknown
- 1969-04-03 FR FR6910187A patent/FR2005471A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3605304A (en) | 1971-09-20 |
| FR2005471A1 (de) | 1969-12-12 |
| DE1916158A1 (de) | 1969-10-23 |
| JPS49456B1 (de) | 1974-01-08 |
| NL6905123A (de) | 1969-10-07 |