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Duc Ngo — 27 Patents

Sony: 46 patents #551 of 25,231Top 3%
ZEZenith Electronics: 4 patents #84 of 411Top 25%
Chicago, IL: #307 of 13,327 inventorsTop 3%
Illinois: #2,391 of 84,256 inventorsTop 3%
Overall (All Time): #148,106 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
6141064 Luminance signal generation circuit with single clamp in closed loop configuration Mehrdad Nayebi 2000-10-31
6072341 Driver circuit with pull down npn transistor and gain reduction Merhdad Nayebi 2000-06-06
6046776 Burst gate pulse generator Chun-Kwan K. Yee 2000-04-04
6043850 Burst gate pulse generator circuit Mehrdad Nayebi 2000-03-28
6028640 Current source and threshold voltage generation method and apparatus for HHK video circuit Mehrdad Nayebi 2000-02-22
6018370 Current source and threshold voltage generation method and apparatus for HHK video circuit Mehrdad Nayebi 2000-01-25
6008864 Composite video signal backporch soft-clamp system using servo loop Mehrdad Nayebi 1999-12-28
5999221 Horizontal synchronization pulse generation circuit Mehrdad Nayebi 1999-12-07
5926063 Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin Mehrdad Nayebi 1999-07-20
5907367 Video overlay circuit for synchronizing and combining analog and digital signals Steve Edwards, Mehrdad Nayebi 1999-05-25
5864371 Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation Mehrdad Nayebi 1999-01-26
5844621 Burst gate pulse generator Chun-Kwan K. Yee 1998-12-01
5828254 Error regulator circuit for sample and hold phase locked loops Mehrdad Nayebi 1998-10-27
5815212 Video overlay circuit for synchronizing and combining analog and digital signals Steve Edwards, Mehrdad Nayebi 1998-09-29
5812208 Burst separator and slicer circuit Mehrdad Nayebi 1998-09-22
5784122 Chroma lock detector Mehrdad Nayebi 1998-07-21
5774188 Black and white video signal detector for detecting the absence of a burst signal from a video signal Mehrdad Nayebi 1998-06-30
5774185 Method of and apparatus for removing equalizing pulses without using external pins Mehrdad Nayebi, Chun-Kwan K. Yee 1998-06-30
5719532 Horizontal lock detector Mehrdad Nayebi 1998-02-17
5689309 Control circuit for mixing two video signals Mehrdad Nayebi, Steve Edwards 1997-11-18
5689308 Vertical reset genereator circuit Mehrdad Nayebi 1997-11-18
5686974 Method of and apparatus for providing a high speed video switch Mehrdad Nayebi 1997-11-11
5675392 Mixer with common-mode noise rejection Mehrdad Nayebi 1997-10-07
5247229 Adaptive scan control having horizontal scan locked clock system Kishan R. Pulluru, Gopal K. Srivastava 1993-09-21
5138320 Skew code generator for measuring pulses width using a delay line Timothy J. Donovan 1992-08-11