MY112596A - Speed control of optical information reproduction apparatus - Google Patents

Speed control of optical information reproduction apparatus

Info

Publication number
MY112596A
MY112596A MYPI95003290A MYPI19953290A MY112596A MY 112596 A MY112596 A MY 112596A MY PI95003290 A MYPI95003290 A MY PI95003290A MY PI19953290 A MYPI19953290 A MY PI19953290A MY 112596 A MY112596 A MY 112596A
Authority
MY
Malaysia
Prior art keywords
speed
spindle motor
pickup
speed control
optical information
Prior art date
Application number
MYPI95003290A
Inventor
Meng-Shin Yen
Wai William Wang
Original Assignee
Acer Peripherals Inc
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 Acer Peripherals Inc filed Critical Acer Peripherals Inc
Priority to MYPI95003290A priority Critical patent/MY112596A/en
Publication of MY112596A publication Critical patent/MY112596A/en

Links

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  • Rotational Drive Of Disk (AREA)

Abstract

A METHOD FOR CONTROLLING SPEED OF A SPINDLE MOTOR WITHIN A DISK PLAYER IS PROVIDED. THE SPINDLE MOTOR DRIVES A DISK THEREON AND THE DISK PLAYER INCLUDES A PICKUP AND A CONTROL CIRCUIT FOR PERFORMING FOCUS AND TRACKING OPERATION OF THE PICKUP. THE FIRST STEP OF METHOD IS TO DETERMINE AN ALLOWABLE SPIN SPEED, VA, IN ACCORDANCE WITH A PREDETERMINED MANNER. THE SECOND STEP IS TO SET SPEED OF THE SPINDLE MOTOR TO OPERATE AT ANALLOWABLE SPEED VA. THE THIRD STEP IT TO TEST IF OUT-OF-FOCUS IS HAPPENED DURING SEEKING OF A PARTICULAR TRACK. IF YES IN STEP 3, THE FOURTH STEP IS TO RE-FOCUS THE PICKUP. THE FIFTH STEP IS TO SET VA= VA -A PREDETERMINED DECREMENT. THE SIXTH STEP IS TO SET SPEED OF THE SPINDLE MOTOR TO OPERATE AT CURRENT VA.(FIG.4)
MYPI95003290A 1995-10-31 1995-10-31 Speed control of optical information reproduction apparatus MY112596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI95003290A MY112596A (en) 1995-10-31 1995-10-31 Speed control of optical information reproduction apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI95003290A MY112596A (en) 1995-10-31 1995-10-31 Speed control of optical information reproduction apparatus

Publications (1)

Publication Number Publication Date
MY112596A true MY112596A (en) 2001-07-31

Family

ID=81459340

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI95003290A MY112596A (en) 1995-10-31 1995-10-31 Speed control of optical information reproduction apparatus

Country Status (1)

Country Link
MY (1) MY112596A (en)

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