FR2275798B1 - - Google Patents
Info
- Publication number
- FR2275798B1 FR2275798B1 FR7422551A FR7422551A FR2275798B1 FR 2275798 B1 FR2275798 B1 FR 2275798B1 FR 7422551 A FR7422551 A FR 7422551A FR 7422551 A FR7422551 A FR 7422551A FR 2275798 B1 FR2275798 B1 FR 2275798B1
- 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
-
- 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
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/06—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7422551A FR2275798A1 (en) | 1974-06-20 | 1974-06-20 | Audio visual course mini cassette projection system - integrated system has screen, recorder, projector in one case |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7422551A FR2275798A1 (en) | 1974-06-20 | 1974-06-20 | Audio visual course mini cassette projection system - integrated system has screen, recorder, projector in one case |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2275798A1 FR2275798A1 (en) | 1976-01-16 |
FR2275798B1 true FR2275798B1 (en) | 1977-03-11 |
Family
ID=9140628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7422551A Granted FR2275798A1 (en) | 1974-06-20 | 1974-06-20 | Audio visual course mini cassette projection system - integrated system has screen, recorder, projector in one case |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2275798A1 (en) |
-
1974
- 1974-06-20 FR FR7422551A patent/FR2275798A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2275798A1 (en) | 1976-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |