Assignee
LEADER ELECTRONICS
JP47 patents
Top patents by PatentIndex Score
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System and method of measuring electric field strength
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Battery holder
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US5768312AJun 16, 1998
Method and apparatus for evaluating digital transmission systems
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US5450623ASep 12, 1995
CN ratio measuring apparatus
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Interdigital bandpass filter
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US5897608AApr 27, 1999
Compensating apparatus and method for signal processing circuit
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US5526042AJun 11, 1996
Apparatus and method for displaying different time-scale waveforms of a signal
LEADER ELECTRONICS29 citations86
US5692009ANov 25, 1997
Jitter measuring method and apparatus
LEADER ELECTRONICS17 citations73
US5677501AOct 14, 1997
Flow display type indicating method and apparatus
LEADER ELECTRONICS14 citations72
US5291285AMar 1, 1994
Television signal level meter
LEADER ELECTRONICS18 citations70
US5218318AJun 8, 1993
Variable gain amplifier
LEADER ELECTRONICS9 citations70
US4788585ANov 29, 1988
Apparatus for measuring SC/H phase of composite video signal
LEADER ELECTRONICS14 citations69
US5619220AApr 8, 1997
Sound image display method and apparatus
LEADER ELECTRONICS8 citations68
US5345191ASep 6, 1994
Broad-band amplifier
LEADER ELECTRONICS9 citations68
US5589877ADec 31, 1996
Automatic amplitude control circuit for a vector scope
LEADER ELECTRONICS16 citations67
US5512944AApr 30, 1996
Phase shifting device for vectorscope
LEADER ELECTRONICS7 citations67
US5272756ADec 21, 1993
Method and apparatus for determining phase correlation of a stereophonic signal
LEADER ELECTRONICS16 citations66
US5266938ANov 30, 1993
Method for calibrating a display and apparatus for implementing the same method
LEADER ELECTRONICS10 citations66
US12361529B2Jul 15, 2025
Training data generation method, method and device for generating learned model, recording medium, program, and information processing device
LEADER ELECTRONICS0 citations63
US7268824B2Sep 11, 2007
Method and apparatus for canceling jitter
LEADER ELECTRONICS5 citations63
US6987381B2Jan 17, 2006
Apparatus for adjusting waveform display position in waveform display
LEADER ELECTRONICS2 citations63
US5555515ASep 10, 1996
Apparatus and method for generating linearly filtered composite signal
LEADER ELECTRONICS6 citations63
US5933129AAug 3, 1999
Signal waveform display system
LEADER ELECTRONICS9 citations62
US7405748B2Jul 29, 2008
Video signal monitoring apparatus
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US4488168ADec 11, 1984
Vector scope
LEADER ELECTRONICS16 citations60
US5555552ASep 10, 1996
Apparatus for quickly capturing cordless telephone channel to be measured
LEADER ELECTRONICS5 citations59
US5517156AMay 14, 1996
Digital phase shifter
LEADER ELECTRONICS6 citations59
US7301559B2Nov 27, 2007
Measuring instrument for measuring video signal level and display device for displaying video signal level
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US7372481B2May 13, 2008
Vector waveform correction device
LEADER ELECTRONICS0 citations52
US7349009B2Mar 25, 2008
Vector waveform correction device
LEADER ELECTRONICS1 citations52
US7295248B2Nov 13, 2007
External synchronous signal generating circuit and phase difference measuring circuit
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US7239341B2Jul 3, 2007
Vector waveform rotation device
LEADER ELECTRONICS1 citations52
US7193449B2Mar 20, 2007
Method and apparatus for generating multi-phase signal
LEADER ELECTRONICS1 citations52
US5410245AApr 25, 1995
Method and apparatus for calibrating electronic scales for the horizontal axis
LEADER ELECTRONICS3 citations52
US7365770B2Apr 29, 2008
Video signal level display device
LEADER ELECTRONICS0 citations48
US7336298B2Feb 26, 2008
Video signal level monitoring apparatus
LEADER ELECTRONICS0 citations48
US6064365AMay 16, 2000
Apparatus and method for displaying a signal waveform
LEADER ELECTRONICS0 citations48
US5742275AApr 21, 1998
Apparatus and method for displaying a signal waveform
LEADER ELECTRONICS1 citations48
US5677742AOct 14, 1997
Apparatus and method for displaying a clamp point
LEADER ELECTRONICS0 citations48
US7663698B2Feb 16, 2010
Genlock device having log and alarm functions
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US7535487B2May 19, 2009
Measuring instrument for measuring video signal level and display device for displaying video signal level
LEADER ELECTRONICS0 citations47
US4901272AFeb 13, 1990
Variable phase compensating apparatus
LEADER ELECTRONICS2 citations44
US7424649B2Sep 9, 2008
Latch and phase synchronization circuit using same
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US9538050B2Jan 3, 2017
Method and apparatus for generating jitter-related data
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US7714935B2May 11, 2010
Data structure for waveform synthesis data and method and apparatus for synthesizing waveform
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US7271844B2Sep 18, 2007
Frame signal phase adjuster
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US7577191B2Aug 18, 2009
Apparatus for automatically detecting BER measurement signal
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