JPS53103715A - Grooveless disc for information recording medium - Google Patents
Grooveless disc for information recording mediumInfo
- Publication number
- JPS53103715A JPS53103715A JP1805677A JP1805677A JPS53103715A JP S53103715 A JPS53103715 A JP S53103715A JP 1805677 A JP1805677 A JP 1805677A JP 1805677 A JP1805677 A JP 1805677A JP S53103715 A JPS53103715 A JP S53103715A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- grooveless disc
- grooveless
- disc
- 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.)
- Granted
Links
Abstract
PURPOSE: To alleviate interference distortion formed in reproduced signals by using bit width and depth corresponding to pricipal information signals which are different from those, respectively, corresponding to signals for tracking control.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1805677A JPS53103715A (en) | 1977-02-23 | 1977-02-23 | Grooveless disc for information recording medium |
NLAANVRAGE7801387,A NL173104C (en) | 1977-02-09 | 1978-02-07 | ROTARY TYPE INFORMATION SIGNAL RECORD MEDIUM AND DEVICE FOR RECORDING INFORMATION SIGNALS THEREOF. |
NLAANVRAGE7801440,A NL173797C (en) | 1977-02-09 | 1978-02-08 | INFORMATION SIGNAL RECORD MEDIUM WITH A FLAT SURFACE, AND REGISTRATOR FOR SUCH A MEDIUM. |
GB5033/78A GB1600431A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of rotary type and apparatus for recording information signal thereon |
CA296,450A CA1106061A (en) | 1977-02-09 | 1978-02-08 | Rotary recording medium with intermediate pits |
FR7803570A FR2384316B1 (en) | 1977-02-09 | 1978-02-08 | RECORDING MEDIUM FOR VIDEO AND AUDIO SIGNALS AND DEVICE FOR MAKING RECORDINGS ON SUCH MEDIUM |
FR7803571A FR2382742B1 (en) | 1977-02-09 | 1978-02-08 | MEDIUM FOR RECORDING VIDEO AND AUDIO SIGNALS AND DEVICE FOR MAKING RECORDINGS THEREOF |
CA000296451A CA1119296A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of the rotary type |
GB5035/78A GB1600432A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of rotary type and apparatus for recording information signal thereon |
DE2805322A DE2805322C2 (en) | 1977-02-09 | 1978-02-09 | Rotatable information signal recording medium and recording arrangement for producing the information signal recording medium |
DE2805323A DE2805323C2 (en) | 1977-02-09 | 1978-02-09 | Rotatable information signal recording medium and recording arrangement for the recording medium |
FR7819900A FR2384317B1 (en) | 1977-02-09 | 1978-07-04 | DEVICE FOR RECORDING, IN PARTICULAR OF INFORMATION SIGNALS, ON ROTATING MEDIA |
US06/055,752 US4327430A (en) | 1977-02-09 | 1979-07-06 | Information signal recording medium of rotary type with overlapped tracks |
US06/186,297 US4420827A (en) | 1977-02-09 | 1980-09-11 | Disc reproducing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1805677A JPS53103715A (en) | 1977-02-23 | 1977-02-23 | Grooveless disc for information recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53103715A true JPS53103715A (en) | 1978-09-09 |
JPS5746132B2 JPS5746132B2 (en) | 1982-10-01 |
Family
ID=11961028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1805677A Granted JPS53103715A (en) | 1977-02-09 | 1977-02-23 | Grooveless disc for information recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53103715A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050733A (en) * | 1983-08-31 | 1985-03-20 | Sony Corp | Optical recording medium and producer of master disk of said medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5398814A (en) * | 1977-02-09 | 1978-08-29 | Victor Co Of Japan Ltd | Grooveless medium disc for information recording |
-
1977
- 1977-02-23 JP JP1805677A patent/JPS53103715A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5398814A (en) * | 1977-02-09 | 1978-08-29 | Victor Co Of Japan Ltd | Grooveless medium disc for information recording |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050733A (en) * | 1983-08-31 | 1985-03-20 | Sony Corp | Optical recording medium and producer of master disk of said medium |
JPH0534737B2 (en) * | 1983-08-31 | 1993-05-24 | Sony Corp |
Also Published As
Publication number | Publication date |
---|---|
JPS5746132B2 (en) | 1982-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53110503A (en) | Tracking servo-unit for rotary recording medium reproducing device | |
JPS5432307A (en) | Magnetic reproducer | |
JPS52123606A (en) | Recorder/reproducer | |
JPS5363002A (en) | Signal recording system and disk type medium for recording signal | |
JPS51138410A (en) | Method of recording and reproducing signal | |
JPS5224027A (en) | Record regenerator | |
AU3087677A (en) | High density information record | |
JPS5396805A (en) | Recording-reproducing method of signals | |
JPS53103715A (en) | Grooveless disc for information recording medium | |
JPS5413316A (en) | Method for recording information signals in original of grooveless information recording medium disc | |
JPS53104214A (en) | Magnetic recorder | |
JPS53100214A (en) | Magnetic recording system | |
JPS5275113A (en) | Video disc | |
JPS5429927A (en) | Information reproducing method | |
JPS5398814A (en) | Grooveless medium disc for information recording | |
JPS5341126A (en) | Recording method for color video signal | |
JPS53125816A (en) | Recording system for information recorded medium disc | |
JPS53105123A (en) | Recording regenerative method for information signal | |
JPS53125809A (en) | Recording and reproducing method for mode signals | |
JPS51129208A (en) | Polylayer magnetic recording reproducing method | |
JPS5431706A (en) | Magnetic recorder-reproducer | |
JPS52111708A (en) | Magnetic memory | |
JPS51127751A (en) | Signal discriminating method | |
JPS527229A (en) | Recording method | |
JPS5417817A (en) | Magnetic sheet reproducer |