AU764188C - Tilt detection device, optical disc device, and tilt control method - Google Patents

Tilt detection device, optical disc device, and tilt control method

Info

Publication number
AU764188C
AU764188C AU15632/02A AU1563202A AU764188C AU 764188 C AU764188 C AU 764188C AU 15632/02 A AU15632/02 A AU 15632/02A AU 1563202 A AU1563202 A AU 1563202A AU 764188 C AU764188 C AU 764188C
Authority
AU
Australia
Prior art keywords
tilt
control method
optical disc
detection device
disc device
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.)
Expired
Application number
AU15632/02A
Other versions
AU1563202A (en
AU764188B2 (en
Inventor
Takashi Ishida
Atsushi Nakamura
Mamoru Shoji
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from AU46512/99A external-priority patent/AU755865B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to AU15632/02A priority Critical patent/AU764188C/en
Publication of AU1563202A publication Critical patent/AU1563202A/en
Publication of AU764188B2 publication Critical patent/AU764188B2/en
Application granted granted Critical
Publication of AU764188C publication Critical patent/AU764188C/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU15632/02A 1998-09-14 2002-02-14 Tilt detection device, optical disc device, and tilt control method Expired AU764188C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15632/02A AU764188C (en) 1998-09-14 2002-02-14 Tilt detection device, optical disc device, and tilt control method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10-259904 1998-09-14
JP10-364549 1998-12-22
AU46512/99A AU755865B2 (en) 1998-09-14 1999-07-13 Tilt detection device, optical disc device, and tilt control method
AU15632/02A AU764188C (en) 1998-09-14 2002-02-14 Tilt detection device, optical disc device, and tilt control method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU46512/99A Division AU755865B2 (en) 1998-09-14 1999-07-13 Tilt detection device, optical disc device, and tilt control method

Publications (3)

Publication Number Publication Date
AU1563202A AU1563202A (en) 2002-03-28
AU764188B2 AU764188B2 (en) 2003-08-14
AU764188C true AU764188C (en) 2004-08-05

Family

ID=27768028

Family Applications (2)

Application Number Title Priority Date Filing Date
AU15632/02A Expired AU764188C (en) 1998-09-14 2002-02-14 Tilt detection device, optical disc device, and tilt control method
AU2002301755A Ceased AU2002301755B2 (en) 1998-09-14 2002-10-31 Tilt detection device, optical disc device, and tilt control method

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2002301755A Ceased AU2002301755B2 (en) 1998-09-14 2002-10-31 Tilt detection device, optical disc device, and tilt control method

Country Status (1)

Country Link
AU (2) AU764188C (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404345A (en) * 1991-06-07 1995-04-04 Brother Kogyo Kabushiki Kaisha Optical recording medium and tracking servo circuit adapted therefor using wobbled pits
US5471446A (en) * 1990-07-24 1995-11-28 Pioneer Electronic Corporation Optical disk player having beam correction means
US5828637A (en) * 1996-01-24 1998-10-27 Lg Electronics Inc. Servo control device of optical disk recording and reproducing apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191144A (en) * 1983-04-14 1984-10-30 Sony Corp Tracking servo circuit of optical pickup
JPS6289246A (en) * 1985-10-16 1987-04-23 Sankyo Seiki Mfg Co Ltd Detector for tilt of optical recording medium
JPS63149841A (en) * 1986-12-13 1988-06-22 Hitachi Ltd Disk inclination detector for optical information reader
JPH01302546A (en) * 1988-05-30 1989-12-06 Sankyo Seiki Mfg Co Ltd Displacement detecting method
JP2866160B2 (en) * 1990-07-19 1999-03-08 パイオニア株式会社 Optical disc player

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471446A (en) * 1990-07-24 1995-11-28 Pioneer Electronic Corporation Optical disk player having beam correction means
US5404345A (en) * 1991-06-07 1995-04-04 Brother Kogyo Kabushiki Kaisha Optical recording medium and tracking servo circuit adapted therefor using wobbled pits
US5828637A (en) * 1996-01-24 1998-10-27 Lg Electronics Inc. Servo control device of optical disk recording and reproducing apparatus

Also Published As

Publication number Publication date
AU1563202A (en) 2002-03-28
AU764188B2 (en) 2003-08-14
AU2002301755B2 (en) 2005-07-14

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
DA2 Applications for amendment section 104

Free format text: THE NATURE OF THE PROPOSED AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 20031204

DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS WAS NOTIFIED IN THE OFFICIAL JOURNAL DATED 20040122

MK14 Patent ceased section 143(a) (annual fees not paid) or expired