Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Header region evaluation circuit, optical disk apparatus, and header region evaluation method

Header region evaluation circuit, optical disk apparatus, and header region evaluation method

US Patent 8644122 · Granted Feb 4, 2014

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wobble signal extracting circuit, method for extracting wobble signal, and optic2012
Information reproduction apparatus and information reproduction method2011
Optical disk medium and optical disk apparatus2010
Signal processing method of wobble signal, recording and reproducing method of o2010
VCO circuit, PLL circuit using VCO circuit, and data recording apparatus the PLL2010
Optical disk medium and optical disk apparatus2009
Data modulation method and apparatus2007
Optical disk medium and optical disk recording and reproducing apparatus2007
VCO with phase modulated output2006
Code modulating method and code modulating apparatus, demodulating method and de2005
Defective area replacement method and information writing/reading device2002
System for detection of readout signals from optical disc1996