DE3167931D1 - System for recording digital information in a pulse-length modulation format - Google Patents
System for recording digital information in a pulse-length modulation formatInfo
- Publication number
- DE3167931D1 DE3167931D1 DE8181105481T DE3167931T DE3167931D1 DE 3167931 D1 DE3167931 D1 DE 3167931D1 DE 8181105481 T DE8181105481 T DE 8181105481T DE 3167931 T DE3167931 T DE 3167931T DE 3167931 D1 DE3167931 D1 DE 3167931D1
- Authority
- DE
- Germany
- Prior art keywords
- digital information
- modulation format
- pulse
- length modulation
- recording digital
- Prior art date
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2587—Laser Discs; Optical disc using analog recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Head (AREA)
- Dc Digital Transmission (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16923880A | 1980-07-16 | 1980-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3167931D1 true DE3167931D1 (en) | 1985-02-07 |
Family
ID=22614779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181105481T Expired DE3167931D1 (en) | 1980-07-16 | 1981-07-13 | System for recording digital information in a pulse-length modulation format |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0044073B1 (de) |
JP (10) | JPH0213389B2 (de) |
KR (2) | KR860000294B1 (de) |
AT (1) | ATE10994T1 (de) |
AU (1) | AU540178B2 (de) |
CA (1) | CA1147858A (de) |
DE (1) | DE3167931D1 (de) |
HK (1) | HK50986A (de) |
MY (1) | MY8700036A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1147858A (en) * | 1980-07-16 | 1983-06-07 | Discovision Associates | System for recording digital information in a pulse-length modulation format |
US4613908A (en) * | 1982-04-16 | 1986-09-23 | Victor Company Of Japan, Ltd. | Digital video signal reproducing apparatus |
JPS58181383A (ja) * | 1982-04-16 | 1983-10-24 | Victor Co Of Japan Ltd | デイジタル信号再生装置 |
US5052037A (en) * | 1987-12-24 | 1991-09-24 | Perelman Frank M | Video telephone employing pulse width modulation for data transmission |
JPH04212723A (ja) * | 1990-07-31 | 1992-08-04 | Toshiba Corp | 情報記録再生装置 |
CA2103395C (en) * | 1992-11-24 | 2004-08-17 | Masakazu Suzuoki | Apparatus and method for providing texture of a moving image to a surface of an object to be displayed |
JP2856391B2 (ja) | 1996-05-30 | 1999-02-10 | 株式会社日立製作所 | 情報記録方法及び情報記録装置 |
JP2006506773A (ja) * | 2002-11-20 | 2006-02-23 | トムソン ライセンシング | 高密度記憶媒体アプリケーションのための多次元符合化方法 |
JP2005184921A (ja) * | 2003-12-17 | 2005-07-07 | Denso Corp | モータハウジング |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2197495A5 (de) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
NL7212002A (de) * | 1972-09-02 | 1974-03-05 | ||
NL165316C (nl) * | 1973-10-01 | 1981-03-16 | Mca Disco Vision | Werkwijze voor de vervaardiging van een schrijfvormige video-afdrukmatrijs uitgaande van een moederschijf. |
JPS5828786B2 (ja) * | 1973-10-04 | 1983-06-17 | 株式会社日立製作所 | デイジタル映像信号をパルス幅変調またはパルス数変調された輝度制御信号に変換する装置 |
JPS5760693B2 (de) * | 1974-02-12 | 1982-12-21 | Sony Corp | |
US4094013A (en) * | 1975-05-22 | 1978-06-06 | U.S. Philips Corporation | Optical storage disk system with disk track guide sectors |
JPS5260705A (en) * | 1975-11-13 | 1977-05-19 | Dainippon Screen Mfg | Photoosensitive holder for step and repeat machine |
GB1576426A (en) * | 1976-03-19 | 1980-10-08 | Rca Corp | Eccentricity compensating system in recording and playbackapparatus |
JPS52128024A (en) * | 1976-04-20 | 1977-10-27 | Nec Corp | Binal data coding method |
DE2725033A1 (de) * | 1977-06-03 | 1978-12-14 | Fischer & Krecke Kg | Vorrichtung zur lagerung einer radialen stosskraeften ausgesetzten welle |
JPS545248A (en) * | 1977-06-14 | 1979-01-16 | Daikin Ind Ltd | Control valve for reversible refrigerator |
US4161753A (en) * | 1977-07-08 | 1979-07-17 | International Business Machines Corporation | Video recording disk with interlacing of data for frames on the same track |
JPS5451801A (en) * | 1977-10-03 | 1979-04-24 | Hitachi Ltd | Picture audio reproducer |
JPS555177A (en) * | 1978-06-29 | 1980-01-16 | Sumitomo Light Metal Ind Ltd | Production of aluminum extrudate |
JPS5528610A (en) * | 1978-08-21 | 1980-02-29 | Toshiba Corp | Video and audio recording and reproducing unit |
US4222072A (en) * | 1978-12-28 | 1980-09-09 | Discovision Associates | Video player/recorder with non-linear mark length modulation |
CA1145464A (en) * | 1979-08-22 | 1983-04-26 | Wayne R. Dakin | Programmed video record disc and related playback apparatus |
JPS574884A (en) * | 1980-06-12 | 1982-01-11 | Daifuku Machinery Works | Lifting transporting device for freight of multistory building |
NL186790C (nl) * | 1980-07-14 | 1991-02-18 | Philips Nv | Werkwijze voor het coderen van een reeks van blokken tweetallige databits in een reeks van blokken van tweetallige kanaalbits, alsmede modulator, demodulator en registratiedrager te gebruiken bij de werkwijze. |
CA1147858A (en) * | 1980-07-16 | 1983-06-07 | Discovision Associates | System for recording digital information in a pulse-length modulation format |
JP2568503B2 (ja) * | 1986-04-09 | 1997-01-08 | 松下電器産業株式会社 | 光デイスクのアドレス再生回路 |
DE3619258A1 (de) * | 1986-06-07 | 1987-12-10 | Blaupunkt Werke Gmbh | Compact disc (cd)-spieler |
JPH0593A (ja) * | 1990-10-17 | 1993-01-08 | Nippon Oil Co Ltd | 光学活性3−メチルアジピン酸の製造方法 |
-
1981
- 1981-05-06 CA CA000376980A patent/CA1147858A/en not_active Expired
- 1981-05-14 AU AU70575/81A patent/AU540178B2/en not_active Expired
- 1981-06-08 KR KR1019810002033A patent/KR860000294B1/ko active
- 1981-07-13 AT AT81105481T patent/ATE10994T1/de active
- 1981-07-13 DE DE8181105481T patent/DE3167931D1/de not_active Expired
- 1981-07-13 JP JP56108313A patent/JPH0213389B2/ja not_active Expired - Lifetime
- 1981-07-13 EP EP81105481A patent/EP0044073B1/de not_active Expired
-
1986
- 1986-01-08 KR KR1019860000049A patent/KR860000295B1/ko not_active IP Right Cessation
- 1986-07-03 HK HK509/86A patent/HK50986A/xx not_active IP Right Cessation
-
1987
- 1987-03-05 JP JP62048990A patent/JPS62289969A/ja active Granted
- 1987-03-05 JP JP62048991A patent/JPS62289970A/ja active Granted
- 1987-12-30 MY MY36/87A patent/MY8700036A/xx unknown
-
1992
- 1992-12-29 JP JP4360392A patent/JP2540274B2/ja not_active Expired - Lifetime
-
1993
- 1993-01-04 JP JP5000093A patent/JPH06101206B2/ja not_active Expired - Lifetime
- 1993-02-03 JP JP5016199A patent/JP2591890B2/ja not_active Expired - Lifetime
- 1993-03-05 JP JP5045427A patent/JP2610763B2/ja not_active Expired - Lifetime
- 1993-03-05 JP JP5045428A patent/JP2610764B2/ja not_active Expired - Lifetime
- 1993-03-05 JP JP5045429A patent/JP2610765B2/ja not_active Expired - Lifetime
- 1993-04-05 JP JP5078319A patent/JP2620484B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07130094A (ja) | 1995-05-19 |
JP2591890B2 (ja) | 1997-03-19 |
JPH07141778A (ja) | 1995-06-02 |
JP2540274B2 (ja) | 1996-10-02 |
JP2610765B2 (ja) | 1997-05-14 |
JP2610764B2 (ja) | 1997-05-14 |
JPH06236552A (ja) | 1994-08-23 |
EP0044073B1 (de) | 1984-12-27 |
JP2610763B2 (ja) | 1997-05-14 |
JPH0352150B2 (de) | 1991-08-09 |
AU540178B2 (en) | 1984-11-08 |
JPH07130096A (ja) | 1995-05-19 |
JPH06223501A (ja) | 1994-08-12 |
JPH07130095A (ja) | 1995-05-19 |
JPH0213389B2 (de) | 1990-04-04 |
JPH0737331A (ja) | 1995-02-07 |
AU7057581A (en) | 1982-01-21 |
EP0044073A1 (de) | 1982-01-20 |
JP2620484B2 (ja) | 1997-06-11 |
CA1147858A (en) | 1983-06-07 |
JPH06101206B2 (ja) | 1994-12-12 |
ATE10994T1 (de) | 1985-01-15 |
JPS5753808A (de) | 1982-03-31 |
MY8700036A (en) | 1987-12-31 |
HK50986A (en) | 1986-07-11 |
JPS62289969A (ja) | 1987-12-16 |
JPH0352149B2 (de) | 1991-08-09 |
KR860000295B1 (ko) | 1986-03-26 |
JPS62289970A (ja) | 1987-12-16 |
KR860000294B1 (ko) | 1986-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8380 | Miscellaneous part iii |
Free format text: IM HEFT 6/87, SEITE 1384, SP.1: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |