NL190677C - Reading head. - Google Patents

Reading head.

Info

Publication number
NL190677C
NL190677C NL8800443A NL8800443A NL190677C NL 190677 C NL190677 C NL 190677C NL 8800443 A NL8800443 A NL 8800443A NL 8800443 A NL8800443 A NL 8800443A NL 190677 C NL190677 C NL 190677C
Authority
NL
Netherlands
Prior art keywords
reading head
reading
head
Prior art date
Application number
NL8800443A
Other languages
Dutch (nl)
Other versions
NL8800443A (en
NL190677B (en
Original Assignee
Olympus Optical Co
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 JP50120765A external-priority patent/JPS5946053B2/en
Priority claimed from JP50130528A external-priority patent/JPS5811692B2/en
Priority claimed from JP50130527A external-priority patent/JPS5811691B2/en
Priority claimed from NLAANVRAGE7611125,A external-priority patent/NL184030C/en
Application filed by Olympus Optical Co filed Critical Olympus Optical Co
Priority to NL8800443A priority Critical patent/NL190677C/en
Publication of NL8800443A publication Critical patent/NL8800443A/en
Publication of NL190677B publication Critical patent/NL190677B/en
Application granted granted Critical
Publication of NL190677C publication Critical patent/NL190677C/en

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
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
NL8800443A 1975-10-08 1988-02-22 Reading head. NL190677C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8800443A NL190677C (en) 1975-10-08 1988-02-22 Reading head.

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP12076575 1975-10-08
JP50120765A JPS5946053B2 (en) 1975-10-08 1975-10-08 Information detection head in information reading device
JP50130528A JPS5811692B2 (en) 1975-10-31 1975-10-31 The current state of affairs
JP13052775 1975-10-31
JP13052875 1975-10-31
JP50130527A JPS5811691B2 (en) 1975-10-31 1975-10-31 The current state of affairs
NL7611125 1976-10-07
NLAANVRAGE7611125,A NL184030C (en) 1975-10-08 1976-10-07 READING HEAD FOR READING INFORMATION RECORDED ON A REGISTRATION HOLDER.
NL8800443 1988-02-22
NL8800443A NL190677C (en) 1975-10-08 1988-02-22 Reading head.

Publications (3)

Publication Number Publication Date
NL8800443A NL8800443A (en) 1988-06-01
NL190677B NL190677B (en) 1994-01-17
NL190677C true NL190677C (en) 1994-06-16

Family

ID=27470720

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8800443A NL190677C (en) 1975-10-08 1988-02-22 Reading head.

Country Status (1)

Country Link
NL (1) NL190677C (en)

Also Published As

Publication number Publication date
NL8800443A (en) 1988-06-01
NL190677B (en) 1994-01-17

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent

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