JPS53103716A - Grooveless disc for information recording medium - Google Patents

Grooveless disc for information recording medium

Info

Publication number
JPS53103716A
JPS53103716A JP1805777A JP1805777A JPS53103716A JP S53103716 A JPS53103716 A JP S53103716A JP 1805777 A JP1805777 A JP 1805777A JP 1805777 A JP1805777 A JP 1805777A JP S53103716 A JPS53103716 A JP S53103716A
Authority
JP
Japan
Prior art keywords
recording medium
information recording
width corresponding
grooveless disc
grooveless
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
JP1805777A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5746133B2 (2
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 JP1805777A priority Critical patent/JPS53103716A/ja
Priority to FR7803571A priority patent/FR2382742B1/fr
Priority to CA296,450A priority patent/CA1106061A/en
Priority to NLAANVRAGE7801440,A priority patent/NL173797C/xx
Priority to GB5035/78A priority patent/GB1600432A/en
Priority to DE2805322A priority patent/DE2805322C2/de
Publication of JPS53103716A publication Critical patent/JPS53103716A/ja
Priority to US06/186,297 priority patent/US4420827A/en
Publication of JPS5746133B2 publication Critical patent/JPS5746133B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP1805777A 1977-02-09 1977-02-23 Grooveless disc for information recording medium Granted JPS53103716A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1805777A JPS53103716A (en) 1977-02-23 1977-02-23 Grooveless disc for information recording medium
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
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.
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 (de) 1977-02-09 1978-02-09 Drehbarer Informationssignal-Aufzeichnungsträger und Aufzeichnungsanordnung zur Herstellung des Informationssignal-Aufzeichnungsträgers
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
JP1805777A JPS53103716A (en) 1977-02-23 1977-02-23 Grooveless disc for information recording medium

Publications (2)

Publication Number Publication Date
JPS53103716A true JPS53103716A (en) 1978-09-09
JPS5746133B2 JPS5746133B2 (2) 1982-10-01

Family

ID=11961057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1805777A Granted JPS53103716A (en) 1977-02-09 1977-02-23 Grooveless disc for information recording medium

Country Status (1)

Country Link
JP (1) JPS53103716A (2)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
JPS5046429A (2) * 1973-08-31 1975-04-25
JPS52123205A (en) * 1976-04-08 1977-10-17 Victor Co Of Japan Ltd Video-signal recording and reproducing system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
JPS5046429A (2) * 1973-08-31 1975-04-25
JPS52123205A (en) * 1976-04-08 1977-10-17 Victor Co Of Japan Ltd Video-signal recording and reproducing system

Also Published As

Publication number Publication date
JPS5746133B2 (2) 1982-10-01

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