JPS57105856A - Driving device for pickup arm - Google Patents

Driving device for pickup arm

Info

Publication number
JPS57105856A
JPS57105856A JP18081680A JP18081680A JPS57105856A JP S57105856 A JPS57105856 A JP S57105856A JP 18081680 A JP18081680 A JP 18081680A JP 18081680 A JP18081680 A JP 18081680A JP S57105856 A JPS57105856 A JP S57105856A
Authority
JP
Japan
Prior art keywords
intra
music
arm
output
circuit
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.)
Pending
Application number
JP18081680A
Other languages
Japanese (ja)
Inventor
Junichi Yoshio
Takashi Kikuchi
Shinya Takahashi
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic 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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP18081680A priority Critical patent/JPS57105856A/en
Publication of JPS57105856A publication Critical patent/JPS57105856A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To respond the 1st intra-music detector at lead-in and the 2nd intra- music detector at return, by a drive control with outputs operating the output of the 1st and 2nd intra-music detectors located near the stylus tip and that operating a specified reference voltage.
CONSTITUTION: Intra-music sensors 1 and 2 provided at the tip of a pickup arm 3 are constituted with two photo detectors 6a and 6b arranged along the direction of rotation of the arm. The photo detectors 6a, 6b produce an output shown in Figs. A(a) and (b) in response to the lead-in or return and apply them to an operation processing circuit 7 and a waveform processing circuit 8. A horizontal drive control circuit 9 controls a horizontal drive section 10 with an output adjusted at the circuit 7 at an intra-music location to control the falling down position of a stylus tip 4, and controls the direction of rotation of the arm and the speed with the output of a position/speed reference voltage generating section 11 and an arm speed detection section 12 via the horizontal drive section 10 at the lead-in or return. The drive timing of the circuit 9 is based on a contrl signal from a system controller 13.
COPYRIGHT: (C)1982,JPO&Japio
JP18081680A 1980-12-20 1980-12-20 Driving device for pickup arm Pending JPS57105856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18081680A JPS57105856A (en) 1980-12-20 1980-12-20 Driving device for pickup arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18081680A JPS57105856A (en) 1980-12-20 1980-12-20 Driving device for pickup arm

Publications (1)

Publication Number Publication Date
JPS57105856A true JPS57105856A (en) 1982-07-01

Family

ID=16089850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18081680A Pending JPS57105856A (en) 1980-12-20 1980-12-20 Driving device for pickup arm

Country Status (1)

Country Link
JP (1) JPS57105856A (en)

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