CA2108095A1 - Capteur optique pour appareil d'enregistrement-lecture optique - Google Patents

Capteur optique pour appareil d'enregistrement-lecture optique

Info

Publication number
CA2108095A1
CA2108095A1 CA 2108095 CA2108095A CA2108095A1 CA 2108095 A1 CA2108095 A1 CA 2108095A1 CA 2108095 CA2108095 CA 2108095 CA 2108095 A CA2108095 A CA 2108095A CA 2108095 A1 CA2108095 A1 CA 2108095A1
Authority
CA
Canada
Prior art keywords
objective lens
recording medium
focusing
optical system
laser beam
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.)
Abandoned
Application number
CA 2108095
Other languages
English (en)
Inventor
Kaoru Ohashi
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.)
NEC Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2108095A1 publication Critical patent/CA2108095A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
CA 2108095 1992-10-15 1993-10-08 Capteur optique pour appareil d'enregistrement-lecture optique Abandoned CA2108095A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP276862/92 1992-10-15
JP27686292A JPH06131670A (ja) 1992-10-15 1992-10-15 光学的記録再生装置

Publications (1)

Publication Number Publication Date
CA2108095A1 true CA2108095A1 (fr) 1994-04-16

Family

ID=17575453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2108095 Abandoned CA2108095A1 (fr) 1992-10-15 1993-10-08 Capteur optique pour appareil d'enregistrement-lecture optique

Country Status (3)

Country Link
JP (1) JPH06131670A (fr)
AU (1) AU4899993A (fr)
CA (1) CA2108095A1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202340A (ja) * 1985-03-04 1986-09-08 Fujitsu Ltd 光デイスク装置の焦点制御機構

Also Published As

Publication number Publication date
JPH06131670A (ja) 1994-05-13
AU4899993A (en) 1994-04-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead