IT1049941B - Audio:visual cassette with film strip and magnetic tape - has space for projector lamp between film spools controlled from tape movement - Google Patents
Audio:visual cassette with film strip and magnetic tape - has space for projector lamp between film spools controlled from tape movementInfo
- Publication number
- IT1049941B IT1049941B IT2978075A IT2978075A IT1049941B IT 1049941 B IT1049941 B IT 1049941B IT 2978075 A IT2978075 A IT 2978075A IT 2978075 A IT2978075 A IT 2978075A IT 1049941 B IT1049941 B IT 1049941B
- Authority
- IT
- Italy
- Prior art keywords
- film
- tape
- magnetic tape
- audio
- space
- Prior art date
Links
- 230000000007 visual effect Effects 0.000 title 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
Landscapes
- Replacement Of Web Rolls (AREA)
Abstract
The audio-visual cassette is divided by a horizontal partition (2). Underneath are the magnetic tape (9) and the tape spools. Above are two compartments for the film spools (21, 24) with space between for the projection lamp. The film can be for stereoscopy. The reproducing equipment has drive rollers (17) for the magnetic tape and two reproducing heads (16, 16'). It also has drives for the co-axial tape- and film-spools, and a latch which holds the film still when required by catching in its perforations. The signals for holding and releasing the film drive are on the magnetic tape, either on the second track or, with suitable filtering in the reproducer, on the main one.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2978075A IT1049941B (en) | 1975-11-28 | 1975-11-28 | Audio:visual cassette with film strip and magnetic tape - has space for projector lamp between film spools controlled from tape movement |
| ES453984A ES453984A1 (en) | 1975-11-28 | 1976-11-26 | Audio-visual apparatus |
| CA266,690A CA1076856A (en) | 1975-11-28 | 1976-11-26 | Audio-visual projection apparatus |
| GB49474/76A GB1570598A (en) | 1975-11-28 | 1976-11-26 | Audio-visual apparatus |
| BR7607953A BR7607953A (en) | 1975-11-28 | 1976-11-26 | VISUAL AUDIO SYSTEM |
| JP51141803A JPS5931686B2 (en) | 1975-11-28 | 1976-11-27 | Cassette type audiovisual equipment |
| DE19762653957 DE2653957A1 (en) | 1975-11-28 | 1976-11-27 | AUDIOVISUAL DEVICE |
| FR7636629A FR2333278A1 (en) | 1975-11-28 | 1976-11-29 | AUDIO-VISUAL CASSETTE AND ITS READING DEVICE |
| US05/745,694 US4100582A (en) | 1975-11-28 | 1976-11-29 | Audio-visual apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2978075A IT1049941B (en) | 1975-11-28 | 1975-11-28 | Audio:visual cassette with film strip and magnetic tape - has space for projector lamp between film spools controlled from tape movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1049941B true IT1049941B (en) | 1981-02-10 |
Family
ID=11228426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2978075A IT1049941B (en) | 1975-11-28 | 1975-11-28 | Audio:visual cassette with film strip and magnetic tape - has space for projector lamp between film spools controlled from tape movement |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1049941B (en) |
-
1975
- 1975-11-28 IT IT2978075A patent/IT1049941B/en active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19941125 |