JPS53117403A - Reflection type record carrier reader - Google Patents

Reflection type record carrier reader

Info

Publication number: JPS53117403A
Authority: JP; Japan
Prior art keywords: reflection type; record carrier; type record; carrier reader; reader
Prior art date: 1977-03-22
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.): Pending

Application number

JP3182778A

Other languages

Japanese (ja)

Inventor

Teiiramu Hendoriku

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1977-03-22

Filing date

1978-03-22

Publication date

1978-10-13

1978-03-22 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1978-10-13 Publication of JPS53117403A publication Critical patent/JPS53117403A/en

Status Pending legal-status Critical Current

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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods

Landscapes

Optical Recording Or Reproduction (AREA)
Optical Head (AREA)
Automatic Focus Adjustment (AREA)

JP3182778A 1977-03-22 1978-03-22 Reflection type record carrier reader Pending JPS53117403A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7703076A NL7703076A (en)	1977-03-22	1977-03-22	DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER.

Publications (1)

Publication Number	Publication Date
JPS53117403A true JPS53117403A (en)	1978-10-13

Family

ID=19828205

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3182778A Pending JPS53117403A (en)	1977-03-22	1978-03-22	Reflection type record carrier reader

Country Status (20)

Country	Link
JP (1)	JPS53117403A (en)
AR (1)	AR214353A1 (en)
AT (1)	AT369580B (en)
AU (1)	AU510218B2 (en)
BE (1)	BE865083A (en)
BR (1)	BR7801690A (en)
CA (1)	CA1109560A (en)
CH (1)	CH627016A5 (en)
DE (1)	DE2810616A1 (en)
DK (1)	DK145868C (en)
ES (1)	ES468055A1 (en)
FR (1)	FR2385171A1 (en)
IT (1)	IT1093316B (en)
MX (1)	MX143603A (en)
NL (1)	NL7703076A (en)
NZ (1)	NZ186732A (en)
PL (1)	PL113996B1 (en)
SE (1)	SE424676B (en)
YU (1)	YU39193B (en)
ZA (1)	ZA78216B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6139942A (en) *	1984-08-01	1986-02-26	Matsushita Electric Ind Co Ltd	Optical pickup

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4290132A (en) *	1977-05-11	1981-09-15	Pioneer Electronic Corporation	Focus servo device for use in an optical information read-out device
FR2460022B1 (en) *	1979-06-25	1987-09-11	Hitachi Ltd	OPTICAL INFORMATION REPRODUCING SYSTEM
NL7907216A (en) *	1979-09-28	1981-03-31	Philips Nv	OPTICAL FOCUS ERROR DETECTION SYSTEM.
JPS59125727U (en) *	1983-02-15	1984-08-24	パイオニア株式会社	Optical information pickup device
NL8400674A (en) *	1984-03-02	1985-10-01	Philips Nv	DEVICE FOR REGISTERING AND / OR READING INFORMATION IN A TRACK OF A REFLECTIVE RECORD CARRIER WITH A FOCUS CONTROL WITH REDUCED SPOT OFFSET SENSITIVITY.
US4609813A (en) *	1985-03-18	1986-09-02	International Business Machines Corporation	Optical systems employing ovate light beams
JPS6310326A (en) *	1986-07-01	1988-01-16	Sanyo Electric Co Ltd	Optical pickup device
DE3828146A1 (en) *	1988-08-19	1990-02-22	Philips Patentverwaltung	ELECTRODYNAMIC ACTUATOR FOR AN OPTICAL WRITE-IN AND READ-OUT UNIT

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5337722A (en) *	1976-09-20	1978-04-07	Ebata Shiyouji Kk	Method of producing concrete piles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2271590B1 (en) *	1974-01-15	1978-12-01	Thomson Brandt
NL182990C (en) *	1975-07-07	1988-06-16	Philips Nv	DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER.
FR2325987A1 (en) *	1975-09-29	1977-04-22	Thomson Brandt	OPTICAL READING DEVICE FOR A RECORDING
GB1532345A (en) *	1976-06-25	1978-11-15	Hitachi Ltd	Information play-back apparatus
NL7703077A (en) *	1977-03-22	1978-09-26	Philips Nv	DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER.

1977
- 1977-03-22 NL NL7703076A patent/NL7703076A/en not_active Application Discontinuation
1978
- 1978-01-12 ZA ZA00780216A patent/ZA78216B/en unknown
- 1978-02-06 AR AR270983A patent/AR214353A1/en active
- 1978-03-11 DE DE19782810616 patent/DE2810616A1/en active Pending
- 1978-03-15 CA CA298,999A patent/CA1109560A/en not_active Expired
- 1978-03-17 MX MX172816A patent/MX143603A/en unknown
- 1978-03-17 DK DK120578A patent/DK145868C/en not_active IP Right Cessation
- 1978-03-17 IT IT21340/78A patent/IT1093316B/en active
- 1978-03-20 BE BE186087A patent/BE865083A/en not_active IP Right Cessation
- 1978-03-20 SE SE7803138A patent/SE424676B/en not_active IP Right Cessation
- 1978-03-20 NZ NZ186732A patent/NZ186732A/en unknown
- 1978-03-20 AT AT0196578A patent/AT369580B/en not_active IP Right Cessation
- 1978-03-20 PL PL1978205453A patent/PL113996B1/en unknown
- 1978-03-20 CH CH302678A patent/CH627016A5/en not_active IP Right Cessation
- 1978-03-20 AU AU34294/78A patent/AU510218B2/en not_active Expired
- 1978-03-20 BR BR7801690A patent/BR7801690A/en unknown
- 1978-03-20 ES ES468055A patent/ES468055A1/en not_active Expired
- 1978-03-21 YU YU00673/78A patent/YU39193B/en unknown
- 1978-03-22 JP JP3182778A patent/JPS53117403A/en active Pending
- 1978-03-22 FR FR7808294A patent/FR2385171A1/en active Pending

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5337722A (en) *	1976-09-20	1978-04-07	Ebata Shiyouji Kk	Method of producing concrete piles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6139942A (en) *	1984-08-01	1986-02-26	Matsushita Electric Ind Co Ltd	Optical pickup
JPH058499B2 (en) *	1984-08-01	1993-02-02	Matsushita Electric Ind Co Ltd

Also Published As

Publication number	Publication date
SE424676B (en)	1982-08-02
MX143603A (en)	1981-06-05
BE865083A (en)	1978-09-20
IT7821340A0 (en)	1978-03-17
NZ186732A (en)	1981-02-11
BR7801690A (en)	1979-01-02
AU510218B2 (en)	1980-06-12
CA1109560A (en)	1981-09-22
NL7703076A (en)	1978-09-26
AT369580B (en)	1983-01-10
DK145868C (en)	1983-09-12
PL113996B1 (en)	1981-01-31
IT1093316B (en)	1985-07-19
FR2385171A1 (en)	1978-10-20
YU67378A (en)	1982-06-30
ATA196578A (en)	1982-05-15
DE2810616A1 (en)	1978-09-28
YU39193B (en)	1984-08-31
SE7803138L (en)	1978-09-23
PL205453A1 (en)	1978-12-18
CH627016A5 (en)	1981-12-15
ES468055A1 (en)	1978-11-16
AR214353A1 (en)	1979-05-31
ZA78216B (en)	1979-08-29
DK120578A (en)	1978-09-23
AU3429478A (en)	1979-09-27
DK145868B (en)	1983-03-21

Publication	Publication Date	Title
JPS5589923A (en)	1980-07-08	Disktype record carrier reader
JPS53117404A (en)	1978-10-13	Radiation reflection type record carrrier reader
AU4235778A (en)	1979-06-21	Record carrier
JPS5317706A (en)	1978-02-18	Optical recording carrier reader
JPS5555448A (en)	1980-04-23	Record carrier
JPS52114306A (en)	1977-09-26	Information record
JPS5658144A (en)	1981-05-21	Record carrier and reader therefor
JPS5678286A (en)	1981-06-27	Reader
JPS5444847A (en)	1979-04-09	Data controlller
JPS51148405A (en)	1976-12-20	Recording carrier reader
JPS53117403A (en)	1978-10-13	Reflection type record carrier reader
JPS53118103A (en)	1978-10-16	Optical radiation reflection type information carrier reader
JPS5553987A (en)	1980-04-19	Diskklike recording carrier reader
HK49783A (en)	1983-11-11	Information record
JPS5346739A (en)	1978-04-26	Record carrier
JPS53118314A (en)	1978-10-16	Data reader
AU4063778A (en)	1980-04-17	Recording carrier
JPS57111840A (en)	1982-07-12	Information record
JPS5454034A (en)	1979-04-27	Information recording carrier
JPS5376805A (en)	1978-07-07	Optical information reader
JPS53113600A (en)	1978-10-04	Information carrier
JPS5250120A (en)	1977-04-21	Recording carrier reader
JPS5425625A (en)	1979-02-26	Data reader
JPS5431703A (en)	1979-03-08	Record
JPS53123103A (en)	1978-10-27	Optical information reader