FR1257721A - Device for forming and controlling variable light images - Google Patents
Device for forming and controlling variable light imagesInfo
- Publication number
- FR1257721A FR1257721A FR819254A FR819254A FR1257721A FR 1257721 A FR1257721 A FR 1257721A FR 819254 A FR819254 A FR 819254A FR 819254 A FR819254 A FR 819254A FR 1257721 A FR1257721 A FR 1257721A
- Authority
- FR
- France
- Prior art keywords
- forming
- variable light
- light images
- controlling variable
- controlling
- 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
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR819254A FR1257721A (en) | 1960-02-23 | 1960-02-23 | Device for forming and controlling variable light images |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR819254A FR1257721A (en) | 1960-02-23 | 1960-02-23 | Device for forming and controlling variable light images |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1257721A true FR1257721A (en) | 1961-04-07 |
Family
ID=8725634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR819254A Expired FR1257721A (en) | 1960-02-23 | 1960-02-23 | Device for forming and controlling variable light images |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1257721A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183417B (en) * | 1962-03-06 | 1964-12-10 | Philips Nv | Device for creating movable, color-changeable decorative light effects |
US3600076A (en) * | 1969-10-29 | 1971-08-17 | Edward Carlton Synder | Light brush |
US3767299A (en) * | 1971-10-20 | 1973-10-23 | J Fisher | Display projector |
US4217040A (en) * | 1978-04-03 | 1980-08-12 | Longerbeam Donald A | Apparatus for projecting an image having a convoluted focal plane |
-
1960
- 1960-02-23 FR FR819254A patent/FR1257721A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183417B (en) * | 1962-03-06 | 1964-12-10 | Philips Nv | Device for creating movable, color-changeable decorative light effects |
US3600076A (en) * | 1969-10-29 | 1971-08-17 | Edward Carlton Synder | Light brush |
US3767299A (en) * | 1971-10-20 | 1973-10-23 | J Fisher | Display projector |
US4217040A (en) * | 1978-04-03 | 1980-08-12 | Longerbeam Donald A | Apparatus for projecting an image having a convoluted focal plane |
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