JPS53103715A - Grooveless disc for information recording medium - Google Patents

Grooveless disc for information recording medium

Info

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
Application number
JP1805677A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5746132B2 (https=
Inventor
Kosei Wada
Toshio Kaneshiro
Ichiro Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP1805677A priority Critical patent/JPS53103715A/ja
Priority to NLAANVRAGE7801387,A priority patent/NL173104C/xx
Priority to CA296,450A priority patent/CA1106061A/en
Priority to GB5035/78A priority patent/GB1600432A/en
Priority to CA000296451A priority patent/CA1119296A/en
Priority to NLAANVRAGE7801440,A priority patent/NL173797C/xx
Priority to GB5033/78A priority patent/GB1600431A/en
Priority to FR7803571A priority patent/FR2382742B1/fr
Priority to FR7803570A priority patent/FR2384316B1/fr
Priority to DE2805323A priority patent/DE2805323C2/de
Priority to DE2805322A priority patent/DE2805322C2/de
Priority to FR7819900A priority patent/FR2384317B1/fr
Publication of JPS53103715A publication Critical patent/JPS53103715A/ja
Priority to US06/055,752 priority patent/US4327430A/en
Priority to US06/186,297 priority patent/US4420827A/en
Publication of JPS5746132B2 publication Critical patent/JPS5746132B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1805677A 1977-02-09 1977-02-23 Grooveless disc for information recording medium Granted JPS53103715A (en)

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.
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
GB5035/78A GB1600432A (en) 1977-02-09 1978-02-08 Information signal recording medium of rotary type and apparatus for recording information signal thereon
CA000296451A CA1119296A (en) 1977-02-09 1978-02-08 Information signal recording medium of the rotary type
NLAANVRAGE7801440,A NL173797C (nl) 1977-02-09 1978-02-08 Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk 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 (fr) 1977-02-09 1978-02-08 Support d'enregistrement de signaux video et audio et dispositif pour realiser des enregistrements sur ce support
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 (https=) 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 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (https=) 1982-10-01

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