IT1193239B - VIDEO DISC REPRODUCTION APPARATUS EQUIPPED WITH A NON-LINEAR OPENING CORRECTION COMPLEX - Google Patents
VIDEO DISC REPRODUCTION APPARATUS EQUIPPED WITH A NON-LINEAR OPENING CORRECTION COMPLEXInfo
- Publication number
- IT1193239B IT1193239B IT26438/79A IT2643879A IT1193239B IT 1193239 B IT1193239 B IT 1193239B IT 26438/79 A IT26438/79 A IT 26438/79A IT 2643879 A IT2643879 A IT 2643879A IT 1193239 B IT1193239 B IT 1193239B
- Authority
- IT
- Italy
- Prior art keywords
- reproduction apparatus
- video disc
- apparatus equipped
- opening correction
- linear opening
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95138278A | 1978-10-16 | 1978-10-16 | |
US06/075,331 US4312013A (en) | 1979-09-19 | 1979-09-19 | Non-linear aperture correction circuit |
US06/075,330 US4272786A (en) | 1978-10-16 | 1979-09-19 | Video disc playback apparatus with non-linear aperture correction |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7926438A0 IT7926438A0 (en) | 1979-10-11 |
IT1193239B true IT1193239B (en) | 1988-06-15 |
Family
ID=27372657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26438/79A IT1193239B (en) | 1978-10-16 | 1979-10-11 | VIDEO DISC REPRODUCTION APPARATUS EQUIPPED WITH A NON-LINEAR OPENING CORRECTION COMPLEX |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2941848C2 (en) |
FR (1) | FR2439451A1 (en) |
GB (1) | GB2035760B (en) |
HK (1) | HK56983A (en) |
IT (1) | IT1193239B (en) |
PL (1) | PL133529B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4360829A (en) * | 1980-06-24 | 1982-11-23 | Rca Corporation | Active distortion elimination circuitry for a video disc player |
US4329712A (en) * | 1980-06-24 | 1982-05-11 | Rca Corporation | Adaptive distortion elimination circuitry for a video disc player |
JPS57120207A (en) * | 1981-01-19 | 1982-07-27 | Pioneer Video Corp | Reproducing device for multiple-recorded information |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340367A (en) * | 1963-07-24 | 1967-09-05 | Ampex | Playback equalization scheme for a reproduced frequency modulated signal |
DE2156305C2 (en) * | 1971-11-12 | 1973-11-08 | Dziewior, K., Dr.-Ing. | Device for recording and / or reproducing a television signal, in particular for an optical disc |
DE2211677A1 (en) * | 1972-03-10 | 1973-09-13 | Licentia Gmbh | PLAYBACK FOR A DEVICE FOR RECORDING A TELEVISION SIGNAL |
US3934087A (en) * | 1972-10-07 | 1976-01-20 | Victor Company Of Japan, Limited | Angle modulated wave demodulation system |
DE2547431C3 (en) * | 1975-10-23 | 1978-04-06 | Ted Bildplatten Ag Aeg-Telefunken- Teldec, Zug (Schweiz) | Device for recording or playing back a video signal |
DE2658944A1 (en) * | 1976-12-24 | 1978-07-06 | Bosch Gmbh Robert | PROCEDURE AND CIRCUIT ARRANGEMENT FOR FREQUENCY RESPONSE CORRECTION |
-
1979
- 1979-10-10 GB GB7935102A patent/GB2035760B/en not_active Expired
- 1979-10-11 IT IT26438/79A patent/IT1193239B/en active
- 1979-10-15 FR FR7925587A patent/FR2439451A1/en active Granted
- 1979-10-16 PL PL1979218992A patent/PL133529B1/en unknown
- 1979-10-16 DE DE2941848A patent/DE2941848C2/en not_active Expired
-
1983
- 1983-11-17 HK HK569/83A patent/HK56983A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2941848A1 (en) | 1980-04-30 |
DE2941848C2 (en) | 1986-01-16 |
GB2035760A (en) | 1980-06-18 |
FR2439451B1 (en) | 1984-05-18 |
IT7926438A0 (en) | 1979-10-11 |
FR2439451A1 (en) | 1980-05-16 |
HK56983A (en) | 1983-11-25 |
PL218992A1 (en) | 1980-08-11 |
PL133529B1 (en) | 1985-06-29 |
GB2035760B (en) | 1983-05-11 |
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