Inventor
NGO DUC
US29 patents
⚠️ This page may combine multiple inventors who share the name “NGO DUC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
22 patentsUS5675392AOct 7, 1997
Mixer with common-mode noise rejection
SONY CORP124 citations98
US6028640AFeb 22, 2000
Current source and threshold voltage generation method and apparatus for HHK video circuit
SONY CORP9 citations74
US5864371AJan 26, 1999
Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation
SONY CORP11 citations74
US5784122AJul 21, 1998
Chroma lock detector
SONY CORP12 citations74
US5719532AFeb 17, 1998
Horizontal lock detector
SONY CORP15 citations74
US5686974ANov 11, 1997
Method of and apparatus for providing a high speed video switch
SONY CORP10 citations74
US5907367AMay 25, 1999
Video overlay circuit for synchronizing and combining analog and digital signals
SONY CORP8 citations72
US5815212ASep 29, 1998
Video overlay circuit for synchronizing and combining analog and digital signals
SONY CORP12 citations72
US6141064AOct 31, 2000
Luminance signal generation circuit with single clamp in closed loop configuration
SONY CORP3 citations63
US6043850AMar 28, 2000
Burst gate pulse generator circuit
SONY CORP2 citations63
US6018370AJan 25, 2000
Current source and threshold voltage generation method and apparatus for HHK video circuit
SONY CORP3 citations63
US6008864ADec 28, 1999
Composite video signal backporch soft-clamp system using servo loop
SONY CORP2 citations63
US5999221ADec 7, 1999
Horizontal synchronization pulse generation circuit
SONY CORP2 citations63
US5774188AJun 30, 1998
Black and white video signal detector for detecting the absence of a burst signal from a video signal
SONY CORP4 citations63
US5689308ANov 18, 1997
Vertical reset genereator circuit
SONY CORP4 citations63
US5774185AJun 30, 1998
Method of and apparatus for removing equalizing pulses without using external pins
SONY CORP3 citations60
US6046776AApr 4, 2000
Burst gate pulse generator
SONY CORP2 citations59
US5844621ADec 1, 1998
Burst gate pulse generator
SONY CORP3 citations59
US5926063AJul 20, 1999
Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin
SONY CORP1 citations52
US5828254AOct 27, 1998
Error regulator circuit for sample and hold phase locked loops
SONY CORP1 citations52
US5812208ASep 22, 1998
Burst separator and slicer circuit
SONY CORP1 citations52
US6072341AJun 6, 2000
Driver circuit with pull down npn transistor and gain reduction
SONY CORP0 citations42
ZENITH ELECTRONICS CORP
4 patentsUS5105108AApr 14, 1992
Delay circuit with phase locked loop control
ZENITH ELECTRONICS CORP22 citations92
US5138320AAug 11, 1992
Skew code generator for measuring pulses width using a delay line
ZENITH ELECTRONICS CORP13 citations74
US5121015AJun 9, 1992
Voltage controlled delay element
ZENITH ELECTRONICS CORP14 citations74
US5247229ASep 21, 1993
Adaptive scan control having horizontal scan locked clock system
ZENITH ELECTRONICS CORP9 citations72
ADDEPAR INC
2 patentsUS10372807B1Aug 6, 2019
Systems and user interfaces for dynamic and interactive table generation and editing based on automatic traversal of complex data structures in a distributed system architecture
ADDEPAR INC29 citations94
US10956665B1Mar 23, 2021
Systems and user interfaces for dynamic and interactive table generation and editing based on automatic traversal of complex data structures in a distributed system architecture
ADDEPAR INC12 citations85