JPS52142918A - High density record signal generating system - Google Patents

High density record signal generating system

Info

Publication number
JPS52142918A
JPS52142918A JP6030176A JP6030176A JPS52142918A JP S52142918 A JPS52142918 A JP S52142918A JP 6030176 A JP6030176 A JP 6030176A JP 6030176 A JP6030176 A JP 6030176A JP S52142918 A JPS52142918 A JP S52142918A
Authority
JP
Japan
Prior art keywords
high density
signal generating
generating system
record signal
density record
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
JP6030176A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5518971B2 (enrdf_load_stackoverflow
Inventor
Yuji Tsuyukuchi
Kazuo Hirasawa
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.)
Teac Corp
Mitsubishi Electric Corp
Original Assignee
Teac Corp
Mitsubishi Electric 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 Teac Corp, Mitsubishi Electric Corp filed Critical Teac Corp
Priority to JP6030176A priority Critical patent/JPS52142918A/ja
Publication of JPS52142918A publication Critical patent/JPS52142918A/ja
Publication of JPS5518971B2 publication Critical patent/JPS5518971B2/ja
Granted legal-status Critical Current

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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP6030176A 1976-05-25 1976-05-25 High density record signal generating system Granted JPS52142918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6030176A JPS52142918A (en) 1976-05-25 1976-05-25 High density record signal generating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6030176A JPS52142918A (en) 1976-05-25 1976-05-25 High density record signal generating system

Publications (2)

Publication Number Publication Date
JPS52142918A true JPS52142918A (en) 1977-11-29
JPS5518971B2 JPS5518971B2 (enrdf_load_stackoverflow) 1980-05-22

Family

ID=13138202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6030176A Granted JPS52142918A (en) 1976-05-25 1976-05-25 High density record signal generating system

Country Status (1)

Country Link
JP (1) JPS52142918A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5518971B2 (enrdf_load_stackoverflow) 1980-05-22

Similar Documents

Publication Publication Date Title
JPS52142918A (en) High density record signal generating system
JPS52135613A (en) Information recording media
GB838209A (en) Improvements in or relating to magnetic reproducing apparatus
JPS53113517A (en) Recording/reproducing system
JPS5276003A (en) Optical information recording system
JPS52121307A (en) Magnetic recording and reproducing system
JPS5369618A (en) Automatic tracking apparatus
JPS5384505A (en) Information signal superposing system for audio signal
JPS5351701A (en) Audio recording and reproducing system
JPS5224510A (en) Signal reproducer
JPS53144304A (en) Optical recorder-reproducer
JPS525505A (en) Device for reproducing magnetic records
JPS5370714A (en) Optical record signal reporducing device
JPS538013A (en) Track selecting system in disc reproducing unit
JPS52153404A (en) Information recording medium
JPS52153663A (en) Playback apparatus fo disc form recording media
JPS5225601A (en) Detecting system of recording signals in disc records
JPS53116126A (en) Magnetic recording-reproducing system
JPS52140310A (en) Tape recorder
JPS53144706A (en) Magnetic recording-reproducing system
JPS51143301A (en) Record player cartridge
JPS53100217A (en) Grooveless medium disc for information recording
JPS5271215A (en) Playback method
JPS5244607A (en) Distortion measuring method of multichannel record system
JPS51132808A (en) Pickup cartridge