Chee Foo Lum

Person

Penang, MY

People

Patents Grantslast 30 patents

Information Patent Grant
Adiabatic coaxial cable coupling
- Patent number 11,742,612
- Issue date Aug 29, 2023
- Keysight Technologies, Inc.
- Eric Breakenridge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical finger navigation device
- Patent number 9,619,047
- Issue date Apr 11, 2017
- PixArt Imaging Inc.
- Chee Foo Lum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Backlighting for optical finger navigation
- Patent number 8,605,035
- Issue date Dec 10, 2013
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Chee Foo Lum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical jog wheel with spiral coding element
- Patent number 8,247,758
- Issue date Aug 21, 2012
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder with integrated monitor
- Patent number 8,068,040
- Issue date Nov 29, 2011
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
User navigation device with a code wheel and an encoder
- Patent number 7,732,756
- Issue date Jun 8, 2010
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Grant
Optical jog wheel with spiral coding element
- Patent number 7,675,026
- Issue date Mar 9, 2010
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Grant
Encoder with a combined position and index track
- Patent number 7,619,209
- Issue date Nov 17, 2009
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
Encoder with a combined position and index track
- Patent number 7,619,210
- Issue date Nov 17, 2009
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
Encoder with a combined position and index track
- Patent number 7,507,950
- Issue date Mar 24, 2009
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder
- Patent number 7,449,677
- Issue date Nov 11, 2008
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Kean Foong Ng
- G01 - MEASURING TESTING
Information Patent Grant
Coding element with integrated limit switch
- Patent number 7,400,269
- Issue date Jul 15, 2008
- Avago Technologies ECBU IP Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder with sinusoidal photodetector output signal
- Patent number 7,399,956
- Issue date Jul 15, 2008
- Avago Technologies ECBUIP Pte Ltd
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Grant
Optical projection encoder with patterned mask
- Patent number 7,378,643
- Issue date May 27, 2008
- Avago Technologies General IP Pte. Ltd.
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Grant
Reflective encoder with three-dimensional code carrier
- Patent number 7,358,481
- Issue date Apr 15, 2008
- Avago General IP Pte Ltd
- Theng Hooi Yeoh
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder
- Patent number 7,244,928
- Issue date Jul 17, 2007
- Avago Technologies ECBU IP (Singapore) Pte Ltd
- Kean Foong Ng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ADIABATIC COAXIAL CABLE COUPLING
- Publication number 20210135398
- Publication date May 6, 2021
- KEYSIGHT TECHNOLOGIES, INC.
- Eric Breakenridge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FINGER NAVIGATION DEVICE
- Publication number 20120274607
- Publication date Nov 1, 2012
- Avago Technologies ECBU IP (Singapore) Pte. Ltd.
- Khoon Guan Tee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL FINGER NAVIGATION DEVICE
- Publication number 20120098792
- Publication date Apr 26, 2012
- Chee Foo Lum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BACKLIGHTING FOR OPTICAL FINGER NAVIGATION
- Publication number 20110267268
- Publication date Nov 3, 2011
- Avago Technologies ECBU IP (Singapore) Pte. Ltd.
- Chee Foo Lum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL JOG WHEEL WITH SPIRAL CODING ELEMENT
- Publication number 20100127162
- Publication date May 27, 2010
- Avago Technologies ECBU IP (Singapore) Pte. Ltd.
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Application
ENCODER WITH A COMBINED POSITION AND INDEX TRACK
- Publication number 20080251700
- Publication date Oct 16, 2008
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
ENCODER WITH A COMBINED POSITION AND INDEX TRACK
- Publication number 20080251701
- Publication date Oct 16, 2008
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
PHOTOSENSOR ARRAY FOR OPTICAL ENCODER
- Publication number 20080156973
- Publication date Jul 3, 2008
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
Encoder with a combined position and index track
- Publication number 20080111061
- Publication date May 15, 2008
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
Coding element with integrated limit switch
- Publication number 20080111062
- Publication date May 15, 2008
- Weng Fei Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL JOG WHEEL WITH SPIRAL CODING ELEMENT
- Publication number 20080099669
- Publication date May 1, 2008
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Application
Optical jog wheel
- Publication number 20080100569
- Publication date May 1, 2008
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Application
Optical projection encoder
- Publication number 20070246646
- Publication date Oct 25, 2007
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL ENCODER
- Publication number 20070221831
- Publication date Sep 27, 2007
- Kean Foong Ng
- G01 - MEASURING TESTING
Information Patent Application
Reflective encoder with three-dimensional code carrier
- Publication number 20070215799
- Publication date Sep 20, 2007
- Theng Hooi Yeoh
- G01 - MEASURING TESTING
Information Patent Application
Optical encoder with sinusoidal photodetector output signal
- Publication number 20070120049
- Publication date May 31, 2007
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
Reflective encoder module
- Publication number 20070120048
- Publication date May 31, 2007
- Chee Foo Lum
- G01 - MEASURING TESTING
Information Patent Application
Ring-configured photodiode array and optical encoders using the same
- Publication number 20070120047
- Publication date May 31, 2007
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
Low profile light source utilizing a flexible circuit carrier
- Publication number 20070053179
- Publication date Mar 8, 2007
- Slew It Pang
- A41 - WEARING APPAREL
Information Patent Application
Optical encoder with integrated monitor
- Publication number 20060192008
- Publication date Aug 31, 2006
- Weng Fei Wong
- G01 - MEASURING TESTING
Information Patent Application
Optical encoder
- Publication number 20060151686
- Publication date Jul 13, 2006
- Kean Foong Ng
- G01 - MEASURING TESTING

Chee Foo Lum

Person

Patents Grantslast 30 patents

Adiabatic coaxial cable coupling

Optical finger navigation device

Backlighting for optical finger navigation

Optical jog wheel with spiral coding element

Optical encoder with integrated monitor

User navigation device with a code wheel and an encoder

Optical jog wheel with spiral coding element

Encoder with a combined position and index track

Encoder with a combined position and index track

Encoder with a combined position and index track

Optical encoder

Coding element with integrated limit switch

Optical encoder with sinusoidal photodetector output signal

Optical projection encoder with patterned mask

Reflective encoder with three-dimensional code carrier

Optical encoder

Patents Applicationslast 30 patents

ADIABATIC COAXIAL CABLE COUPLING

OPTICAL FINGER NAVIGATION DEVICE

OPTICAL FINGER NAVIGATION DEVICE

BACKLIGHTING FOR OPTICAL FINGER NAVIGATION

OPTICAL JOG WHEEL WITH SPIRAL CODING ELEMENT

ENCODER WITH A COMBINED POSITION AND INDEX TRACK

ENCODER WITH A COMBINED POSITION AND INDEX TRACK

PHOTOSENSOR ARRAY FOR OPTICAL ENCODER

Encoder with a combined position and index track

Coding element with integrated limit switch

OPTICAL JOG WHEEL WITH SPIRAL CODING ELEMENT

Optical jog wheel

Optical projection encoder

OPTICAL ENCODER

Reflective encoder with three-dimensional code carrier

Optical encoder with sinusoidal photodetector output signal

Reflective encoder module

Ring-configured photodiode array and optical encoders using the same

Low profile light source utilizing a flexible circuit carrier

Optical encoder with integrated monitor

Optical encoder