JPS5514568A - Release unit for locked groove - Google Patents

Release unit for locked groove

Info

Publication number
JPS5514568A
JPS5514568A JP8742278A JP8742278A JPS5514568A JP S5514568 A JPS5514568 A JP S5514568A JP 8742278 A JP8742278 A JP 8742278A JP 8742278 A JP8742278 A JP 8742278A JP S5514568 A JPS5514568 A JP S5514568A
Authority
JP
Japan
Prior art keywords
locked groove
eccentricity
groove
stylus
release
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
JP8742278A
Other languages
Japanese (ja)
Other versions
JPS6038782B2 (en
Inventor
Michiharu Nishihara
Tsutomu Hikita
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP53087422A priority Critical patent/JPS6038782B2/en
Publication of JPS5514568A publication Critical patent/JPS5514568A/en
Publication of JPS6038782B2 publication Critical patent/JPS6038782B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)

Abstract

PURPOSE: To enable to stably release the locked groove by controlling the locked groove release set in response to the amount of eccentricity, such as disc.
CONSTITUTION: In the locked groove release unit in which the locked groove release set is operatee when the locked groove detection signal is obtained through the read- in through the stylus 11 for the groove number (groove number) recorded on a video disc, and the stylus 11 is compulsively skipped from the groove under tracking by a certain number of grooves, the eccentricity detection circuit 7 is provided, which produces the eccentricity signal in response to the eccentricity of the rotating system including the video disc. The eccentricity signal is fed to the locked groove release set and the released part is moved in reponse to the movement of the stylus 11 due to the eccentricity of the rotating system including the video disc.
COPYRIGHT: (C)1980,JPO&Japio
JP53087422A 1978-07-17 1978-07-17 Locked group release device Expired JPS6038782B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53087422A JPS6038782B2 (en) 1978-07-17 1978-07-17 Locked group release device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53087422A JPS6038782B2 (en) 1978-07-17 1978-07-17 Locked group release device

Publications (2)

Publication Number Publication Date
JPS5514568A true JPS5514568A (en) 1980-02-01
JPS6038782B2 JPS6038782B2 (en) 1985-09-03

Family

ID=13914428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53087422A Expired JPS6038782B2 (en) 1978-07-17 1978-07-17 Locked group release device

Country Status (1)

Country Link
JP (1) JPS6038782B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738377U (en) * 1980-08-07 1982-03-01
JPS5774865A (en) * 1980-08-21 1982-05-11 Rca Corp Device for radially moving reproducing stylus on disc record
JPS62262505A (en) * 1986-05-09 1987-11-14 Hitachi Ltd Electric circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738377U (en) * 1980-08-07 1982-03-01
JPS5774865A (en) * 1980-08-21 1982-05-11 Rca Corp Device for radially moving reproducing stylus on disc record
JPS62262505A (en) * 1986-05-09 1987-11-14 Hitachi Ltd Electric circuit

Also Published As

Publication number Publication date
JPS6038782B2 (en) 1985-09-03

Similar Documents

Publication Publication Date Title
JPS5441114A (en) Automatic tracking system
JPS5498517A (en) Reproducer for information signal
JPS5514568A (en) Release unit for locked groove
JPS543504A (en) Address signal searching syste of information recording medium reproducer
JPS53112021A (en) File unit for audio and video
JPS5235936A (en) Recording and playback system of color television signal
JPS5351716A (en) Magnetic recording and reproducing system
JPS5353211A (en) Recording and reproducing system using video recording medium
JPS51150311A (en) Regulation system for recording level of magnetic image transcription reproducer
JPS52107810A (en) End part detecting unit by means of the signal recorded on tape
JPS5414717A (en) Pickup control device of rotating recording media
JPS5341126A (en) Recording method for color video signal
JPS53110810A (en) Reproducing device
JPS5349910A (en) Video signal process system using rotary recording medium
JPS5290915A (en) Trigger recording and reproducing system for vtrs
JPS5260105A (en) Tracking control system of magnetic recording/reproducing unit
JPS5376807A (en) Reproducing apparatus
JPS5437424A (en) Solid state pickup device
JPS54604A (en) Operation changer for magnetic recording and reproducing system
JPS53121607A (en) Video signal reproducing unit
JPS51137325A (en) Video signal playback system
JPS5366713A (en) Tracking control system for magnetic video recording and reproducingapparatus
JPS51150305A (en) Reproducer for multiplied record of image
JPS52135614A (en) Static picture recording and reproduction system
JPS5428523A (en) Phase reset system for pilot signal and color subcarrier