NL189322B - APPARATUS FOR SCANNING AT LEAST ONE VARIABLE OPTICAL SOUND TRACK. - Google Patents
APPARATUS FOR SCANNING AT LEAST ONE VARIABLE OPTICAL SOUND TRACK.Info
- Publication number
- NL189322B NL189322B NLAANVRAGE7805719,A NL7805719A NL189322B NL 189322 B NL189322 B NL 189322B NL 7805719 A NL7805719 A NL 7805719A NL 189322 B NL189322 B NL 189322B
- Authority
- NL
- Netherlands
- Prior art keywords
- scanning
- variable optical
- sound track
- optical sound
- track
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
- G11B7/0032—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent for moving-picture soundtracks, i.e. cinema
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/024—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of diode-array scanning
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80304277A | 1977-06-03 | 1977-06-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7805719A NL7805719A (en) | 1978-12-05 |
NL189322B true NL189322B (en) | 1992-10-01 |
NL189322C NL189322C (en) | 1993-03-01 |
Family
ID=25185428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7805719,A NL189322C (en) | 1977-06-03 | 1978-05-25 | APPARATUS FOR SCANNING AT LEAST ONE VARIABLE OPTICAL SOUND TRACK. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS542703A (en) |
CA (1) | CA1124402A (en) |
DE (1) | DE2823853A1 (en) |
FR (1) | FR2393342A1 (en) |
GB (1) | GB1598113A (en) |
IT (1) | IT1192315B (en) |
NL (1) | NL189322C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4577305A (en) * | 1983-03-14 | 1986-03-18 | Dolby Laboratories Licensing Corporation | Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore |
AU2002214955A1 (en) * | 2000-09-11 | 2002-03-22 | Bts Holding International B.V. | Device and method for reproducing photographic sound recordings |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR885556A (en) * | 1941-08-30 | 1943-09-20 | Philips Nv | Method for the electro-optical exploration of oscillation recordings |
BE789499A (en) * | 1971-09-30 | 1973-01-15 | Siemens Ag | PROCESS FOR SEQUENTIALLY RECORDING ANALOGUE DATA ON A MEMORIZATION TAPE |
US3848095A (en) * | 1972-12-20 | 1974-11-12 | I O Metrics Corp | Three dimensional electro-optical retrieval system |
US3959784A (en) * | 1974-12-23 | 1976-05-25 | Actron | High speed optical read-out of data stored in an array |
DE2543276A1 (en) * | 1975-09-27 | 1977-03-31 | Licentia Gmbh | Reproduction system for data carried on tapes - has monochromatic light source and pick-up units for optical signals to be converted to audio output |
-
1978
- 1978-05-22 GB GB21023/78A patent/GB1598113A/en not_active Expired
- 1978-05-25 NL NLAANVRAGE7805719,A patent/NL189322C/en not_active IP Right Cessation
- 1978-05-31 JP JP6563278A patent/JPS542703A/en active Granted
- 1978-05-31 DE DE19782823853 patent/DE2823853A1/en active Granted
- 1978-05-31 CA CA304,524A patent/CA1124402A/en not_active Expired
- 1978-06-02 FR FR7816650A patent/FR2393342A1/en active Granted
- 1978-06-02 IT IT49669/78A patent/IT1192315B/en active
Also Published As
Publication number | Publication date |
---|---|
IT1192315B (en) | 1988-03-31 |
CA1124402A (en) | 1982-05-25 |
DE2823853A1 (en) | 1978-12-14 |
JPS6250893B2 (en) | 1987-10-27 |
FR2393342B1 (en) | 1984-11-16 |
GB1598113A (en) | 1981-09-16 |
DE2823853C2 (en) | 1988-05-19 |
NL7805719A (en) | 1978-12-05 |
IT7849669A0 (en) | 1978-06-02 |
JPS542703A (en) | 1979-01-10 |
FR2393342A1 (en) | 1978-12-29 |
NL189322C (en) | 1993-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19961201 |