JPS5619529A - Signal reading unit for video disc player - Google Patents

Signal reading unit for video disc player

Info

Publication number
JPS5619529A
JPS5619529A JP9316179A JP9316179A JPS5619529A JP S5619529 A JPS5619529 A JP S5619529A JP 9316179 A JP9316179 A JP 9316179A JP 9316179 A JP9316179 A JP 9316179A JP S5619529 A JPS5619529 A JP S5619529A
Authority
JP
Japan
Prior art keywords
semiconductor laser
laser pickup
exclusive use
focus direction
use driving
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
JP9316179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6153772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshitsugu Araki
Toshihiko Kurihara
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.)
Pioneer Video Corp
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer Corp
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 Pioneer Video Corp, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP9316179A priority Critical patent/JPS5619529A/ja
Priority to GB8023521A priority patent/GB2060927B/en
Priority to US06/171,071 priority patent/US4367543A/en
Priority to DE3027950A priority patent/DE3027950C2/de
Publication of JPS5619529A publication Critical patent/JPS5619529A/ja
Publication of JPS6153772B2 publication Critical patent/JPS6153772B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP9316179A 1979-07-24 1979-07-24 Signal reading unit for video disc player Granted JPS5619529A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9316179A JPS5619529A (en) 1979-07-24 1979-07-24 Signal reading unit for video disc player
GB8023521A GB2060927B (en) 1979-07-24 1980-07-18 Signal reading device for optical discs
US06/171,071 US4367543A (en) 1979-07-24 1980-07-22 Optical disc player signal reading device with improved drive structure for moving optical pickup in orthogonal directions
DE3027950A DE3027950C2 (de) 1979-07-24 1980-07-23 Signallesevorrichtung für einen optischen Plattenspieler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9316179A JPS5619529A (en) 1979-07-24 1979-07-24 Signal reading unit for video disc player

Publications (2)

Publication Number Publication Date
JPS5619529A true JPS5619529A (en) 1981-02-24
JPS6153772B2 JPS6153772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-19

Family

ID=14074827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9316179A Granted JPS5619529A (en) 1979-07-24 1979-07-24 Signal reading unit for video disc player

Country Status (1)

Country Link
JP (1) JPS5619529A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6153772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-19

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