KR890015211A - 어학 연습용 광학 디스크 플레이어 - Google Patents

어학 연습용 광학 디스크 플레이어 Download PDF

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Publication number
KR890015211A
KR890015211A KR1019890003430A KR890003430A KR890015211A KR 890015211 A KR890015211 A KR 890015211A KR 1019890003430 A KR1019890003430 A KR 1019890003430A KR 890003430 A KR890003430 A KR 890003430A KR 890015211 A KR890015211 A KR 890015211A
Authority
KR
South Korea
Prior art keywords
optical disc
disc player
language practice
index number
reproduction
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.)
Ceased
Application number
KR1019890003430A
Other languages
English (en)
Korean (ko)
Inventor
다까마사 이또
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR890015211A publication Critical patent/KR890015211A/ko
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
KR1019890003430A 1988-03-23 1989-03-20 어학 연습용 광학 디스크 플레이어 Ceased KR890015211A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP?37129 1988-03-23
JP1988037129U JPH01142976U (https=) 1988-03-23 1988-03-23

Publications (1)

Publication Number Publication Date
KR890015211A true KR890015211A (ko) 1989-10-28

Family

ID=31263709

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890003430A Ceased KR890015211A (ko) 1988-03-23 1989-03-20 어학 연습용 광학 디스크 플레이어

Country Status (2)

Country Link
JP (1) JPH01142976U (https=)
KR (1) KR890015211A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370371B1 (ko) * 2000-03-22 2003-01-30 유춘영 휴대용 씨디 플레이어에서의 데이터 재생 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370371B1 (ko) * 2000-03-22 2003-01-30 유춘영 휴대용 씨디 플레이어에서의 데이터 재생 방법

Also Published As

Publication number Publication date
JPH01142976U (https=) 1989-09-29

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19890320

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19940318

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19890320

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19971031

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19980204

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19971031

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I