TW200746572A - Laser power control system and method - Google Patents

Laser power control system and method

Info

Publication number
TW200746572A
TW200746572A TW096120223A TW96120223A TW200746572A TW 200746572 A TW200746572 A TW 200746572A TW 096120223 A TW096120223 A TW 096120223A TW 96120223 A TW96120223 A TW 96120223A TW 200746572 A TW200746572 A TW 200746572A
Authority
TW
Taiwan
Prior art keywords
laser power
control system
power control
buffers
state decision
Prior art date
Application number
TW096120223A
Other languages
Chinese (zh)
Other versions
TWI343682B (en
Inventor
Ming-Jiou Yu
Chun-Yu Lin
Kuo-Jung Lan
Kuan-Hua Chao
Chia-Wei Liao
Chih Ching Chen
Shu Hung Chou
Jong Woei Chen
Original Assignee
Mediatek 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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200746572A publication Critical patent/TW200746572A/en
Application granted granted Critical
Publication of TWI343682B publication Critical patent/TWI343682B/en

Links

Landscapes

  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Optical Head (AREA)

Abstract

A laser power control system and related method for reducing a settling time in a target laser power transition are disclosed. The laser power control system includes a state decision circuit, for generating a state decision signal according to a selected operational state of a target circuit; a plurality of buffers, for storing a plurality of control data corresponding to a plurality of candidate operational states of the target circuit respectively; and a multiplexer, coupled between the state decision circuit and the buffers, for coupling a selected buffer of the buffers and the target circuit according to the state decision signal for outputting a control datum stored in the selected buffer to the target circuit.
TW96120223A 2006-06-05 2007-06-05 Laser power control system and method TWI343682B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80388706P 2006-06-05 2006-06-05

Publications (2)

Publication Number Publication Date
TW200746572A true TW200746572A (en) 2007-12-16
TWI343682B TWI343682B (en) 2011-06-11

Family

ID=38937780

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96120223A TWI343682B (en) 2006-06-05 2007-06-05 Laser power control system and method

Country Status (2)

Country Link
CN (3) CN101086870B (en)
TW (1) TWI343682B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005108358A (en) * 2003-09-30 2005-04-21 Toshiba Corp Optical disk device and laser control method

Also Published As

Publication number Publication date
TWI343682B (en) 2011-06-11
CN101086870A (en) 2007-12-12
CN101105955A (en) 2008-01-16
CN101887732A (en) 2010-11-17
CN101086870B (en) 2010-09-08

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