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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
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 (nl) | 1977-02-09 | 1978-02-07 | Informatiesignaalregistratiemedium van roterende soort en inrichting voor het registreren van informatiesignalen daarop. |
GB5035/78A GB1600432A (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 |
NLAANVRAGE7801440,A NL173797C (nl) | 1977-02-09 | 1978-02-08 | Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium. |
CA000296451A CA1119296A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of the rotary type |
FR7803571A FR2382742B1 (fr) | 1977-02-09 | 1978-02-08 | Support pour enregistrer des signaux video et audio et dispositif pour realiser des enregistrements sur ce support |
FR7803570A FR2384316B1 (fr) | 1977-02-09 | 1978-02-08 | Support d'enregistrement de signaux video et audio et dispositif pour realiser des enregistrements sur ce support |
GB5033/78A GB1600431A (en) | 1977-02-09 | 1978-02-08 | Information signal recording medium of rotary type and apparatus for recording information signal thereon |
DE2805323A DE2805323C2 (de) | 1977-02-09 | 1978-02-09 | Drehbarer Informationssignal-Aufzeichnungsträger und Aufzeichnungsanordnung für den Aufzeichnungsträger |
DE2805322A DE2805322C2 (de) | 1977-02-09 | 1978-02-09 | Drehbarer Informationssignal-Aufzeichnungsträger und Aufzeichnungsanordnung zur Herstellung des Informationssignal-Aufzeichnungsträgers |
FR7819900A FR2384317B1 (fr) | 1977-02-09 | 1978-07-04 | Dispositif d'enregistrement, notamment de signaux d'information, sur des supports tournants |
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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050733A (ja) * | 1983-08-31 | 1985-03-20 | Sony Corp | 光学式記録媒体及びその原盤の製造装置 |
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/ja 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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050733A (ja) * | 1983-08-31 | 1985-03-20 | Sony Corp | 光学式記録媒体及びその原盤の製造装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5746132B2 (enrdf_load_stackoverflow) | 1982-10-01 |
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