FR2294500B2 - - Google Patents
Info
- Publication number
- FR2294500B2 FR2294500B2 FR7440929A FR7440929A FR2294500B2 FR 2294500 B2 FR2294500 B2 FR 2294500B2 FR 7440929 A FR7440929 A FR 7440929A FR 7440929 A FR7440929 A FR 7440929A FR 2294500 B2 FR2294500 B2 FR 2294500B2
- Authority
- FR
- France
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/375—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the position of the elements being controlled by the application of a magnetic field
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/377—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by pneumatic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7440929A FR2294500A2 (fr) | 1974-12-12 | 1974-12-12 | Procede et dispositif de commande d'elements de tableau lumineux pour l'affichage d'informations fluctuantes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7440929A FR2294500A2 (fr) | 1974-12-12 | 1974-12-12 | Procede et dispositif de commande d'elements de tableau lumineux pour l'affichage d'informations fluctuantes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2294500A2 FR2294500A2 (fr) | 1976-07-09 |
FR2294500B2 true FR2294500B2 (it) | 1978-09-29 |
Family
ID=9146063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7440929A Granted FR2294500A2 (fr) | 1974-12-12 | 1974-12-12 | Procede et dispositif de commande d'elements de tableau lumineux pour l'affichage d'informations fluctuantes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2294500A2 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2554947A1 (fr) * | 1983-06-24 | 1985-05-17 | Drouard Roland | Ecran d'affichage matriciel hydro-electromagnetique |
EP0438614A1 (en) * | 1990-01-23 | 1991-07-31 | Alternative Energy Research Center Inc. | Information display apparatus and method |
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1974
- 1974-12-12 FR FR7440929A patent/FR2294500A2/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2294500A2 (fr) | 1976-07-09 |