DE3204966C2 - - Google Patents
Info
- Publication number
- DE3204966C2 DE3204966C2 DE19823204966 DE3204966A DE3204966C2 DE 3204966 C2 DE3204966 C2 DE 3204966C2 DE 19823204966 DE19823204966 DE 19823204966 DE 3204966 A DE3204966 A DE 3204966A DE 3204966 C2 DE3204966 C2 DE 3204966C2
- Authority
- DE
- Germany
- Prior art keywords
- writing
- angular
- leg
- housing
- projector
- 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
- 241001465754 Metazoa Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008439 repair process Effects 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)
- Projection Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823204966 DE3204966A1 (de) | 1982-02-12 | 1982-02-12 | Schreibprojektor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823204966 DE3204966A1 (de) | 1982-02-12 | 1982-02-12 | Schreibprojektor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3204966A1 DE3204966A1 (de) | 1983-08-25 |
DE3204966C2 true DE3204966C2 (enrdf_load_stackoverflow) | 1989-12-28 |
Family
ID=6155517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823204966 Granted DE3204966A1 (de) | 1982-02-12 | 1982-02-12 | Schreibprojektor |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3204966A1 (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2507515C2 (de) * | 1975-02-21 | 1983-03-24 | Demolux Gmbh & Co Kg, 6070 Langen | Schreibprojektor |
-
1982
- 1982-02-12 DE DE19823204966 patent/DE3204966A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3204966A1 (de) | 1983-08-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AG | Has addition no. |
Ref country code: DE Ref document number: 3208723 Format of ref document f/p: P |
|
8110 | Request for examination paragraph 44 | ||
AG | Has addition no. |
Ref country code: DE Ref document number: 3208723 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AG | Has addition no. |
Ref country code: DE Ref document number: 3208723 Format of ref document f/p: P |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: GRUNWALD PROJEKTOREN AG, RUGGELL, LI |
|
8328 | Change in the person/name/address of the agent |
Free format text: JUNIUS, W., DIPL.-PHYS. DR., PAT.-ANW., 30519 HANNOVER |
|
8339 | Ceased/non-payment of the annual fee |