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Lee, Bayan Lepas

Chiau Jin Lee, Bayan Lepas MY

Patent application numberDescriptionPublished
20080273340Solid State Light Source Having a Variable Number of Dies - A light source having a die carrier, a lead frame, and an insulating body is disclosed. The die carrier includes a die mounting section connected to a heat transfer section. The die mounting section includes a die mounting area having a lead pad opening contained within the die mounting area. The lead frame includes a lead pad. An electrically insulating material fills the voids between the die carrier and the lead frame to maintain the lead frame and die carrier such that a surface of the heat transfer section is exposed on a surface of the body, the lead pad is positioned in the lead pad opening, and the die carrier is electrically isolated from the lead frame. A plurality of dies are attached to the die mounting area and connected to the lead pad.11-06-2008
20100264450LIGHT SOURCE - Embodiments of a light source are disclosed herein. An embodiment of the light source comprises a first terminal and a second terminal. The first terminal comprises a first terminal first portion and a first terminal second portion, wherein at least a portion of the first terminal second portion is located on a first plane, the first terminal second portion comprising at least two contacts separated by a space. A second terminal comprises a second terminal first portion and a second terminal second portion. The second terminal first portion is located proximate the first terminal first portion. The second terminal second portion is located substantially on the first plane and in the space. A light emitter is affixed to the first terminal first portion, the light emitter is electrically connected to the first terminal first portion. A connection exists between the light emitter and the second terminal first portion.10-21-2010
20100296297LIGHT EMITTER - A light emitter is disclosed herein. The light emitter may have a lead frame and a plastic reflector cup. The lead frame may have a planar portion; a bond area having a light-emitting diode attached thereto; and at least two terminals configured for surface mount technology. The reflector cup may be proximate the bond area and may have an opening, wherein light emitted from the light-emitting diode passes through the opening; a side wall extending between the planar portion and the opening; and a clear lens located proximate the opening and attached to the reflector cup. The combination of the lens and the reflector cup causes a light beam originating from the light-emitting diode to be less than fifteen degrees.11-25-2010
20110044062LIGHT SOURCE - An embodiment of a light source comprises a first lead and a second lead. The first lead comprises a first mounting surface wherein a first light emitter is connectable to the first mounting surface, a support member attached to the first mounting surface, a conductor portion attached to the support member, and at least one tab extending from the first mounting surface, the at least one tab being used to hold the first lead during fabrication. The second lead is second lead located adjacent the first lead and comprises a second mounting surface wherein a second light emitter is connectable to the second mounting surface, at least two support members attached to the second mounting surface, and a conductor portion attached to each of the support members.02-24-2011

Patent applications by Chiau Jin Lee, Bayan Lepas MY

Siew Yin Lee, Bayan Lepas MY

Patent application numberDescriptionPublished
20100041354Method and apparatus for controling output power of communication equipment - Communication equipment includes a circuit generating an RF input signal; a PA receiving a supply voltage, receiving the RF input signal, and providing an amplified version of the RF input signal as an output signal that is associated with an output power of the communication equipment; and an output circuit that includes an antenna for transmitting the output signal. The communication equipment also includes: a voltage detector circuit including sensing circuitry for sensing the supply voltage and a comparator for comparing the supply voltage to a first voltage threshold and generating a control signal when the supply voltage exceeds the first voltage threshold; and a disabling circuit coupled to the voltage detection circuit for disabling a portion of the communication equipment in response to the control signal to maintain output power of the communication equipment below a maximum output power level.02-18-2010

Siew Yuen Lee, Bayan Lepas MY

Patent application numberDescriptionPublished
20110233878Hand-held power tool - In a hand-held power tool having a tool holder equipped with a multisided internal socket for connecting to a first insert bit and with a multisided external socket for connecting to a second insert bit, the tool holder being associated with a locking device for locking the first insert bit in the multisided internal socket, the locking device has an actuating element that it is possible to slide from a locking position into an unlocking position in an axial direction oriented away from the first insert tool in order to unlock the first insert tool.09-29-2011

Sze Kuang Lee, Bayan Lepas MY

Patent application numberDescriptionPublished
20100171029Reflective Multi-Turn Encoders with Different Light Sensing Systems - Disclosed herein are a number of different embodiments of reflective multi-turn optical encoders with different light sensing systems. Three different basic configurations of reflective multi-turn optical encoder light sensing systems are disclosed herein: (a) optical encoders employing multiple arrays of light detectors; (b) optical encoders employing multiple arrays of stacked die light sensors, and (c) optical encoders employing variable tone density light sensing systems.07-08-2010
20110207578Harmonic Gear Multi-Turn Encoder - Various embodiments of harmonic gear multi-turn encoders are disclosed that provide the ability to accurately sense absolute rotational positions over a wide range of rotational counts. High gear reduction ratios in each stage of the multi-turn encoders permit very small size and volume encoders to be provided, thereby opening up many new applications for multi-turn encoders. In one embodiment, inductive means are employed to determine the number of revolutions a central shaft operably connected to an encoder module has turned. The inductive coils comprise emitter coils and receiver coils, which are operably associated with and opposed to corresponding encoder devices. The various embodiments of the harmonic gear multi-turn encoders disclosed herein are capable of operating under high temperature conditions and withstanding the effects of various environmental contaminants, and are also amenable to miniaturization and low cost manufacturing.08-25-2011

Wui Pin Lee, Bayan Lepas MY

Patent application numberDescriptionPublished
20080288205OPTICAL NAVIGATION DEVICE WITH SURFACE AND FREE SPACE NAVIGATION - An optical navigation device for operation in a surface navigation mode and a free space navigation mode is described. One embodiment of the optical navigation device includes a microcontroller, a surface navigation sensor, and a free space navigation sensor. The surface and free space navigation sensors are coupled to the microcontroller. The microcontroller is configured to process a movement of the optical navigation device. The surface navigation sensor is configured to generate a surface navigation signal in response to a surface navigation image. The free space navigation sensor is configured to generate a free space navigation signal in response to a free space navigation image. Embodiments of the optical navigation device facilitate an integrated optical solution to provide desktop navigation and scene navigation in a single optical navigation device.11-20-2008
20100289775FINGER NAVIGATION DEVICE - A finger navigation device is disclosed herein. An embodiment of the navigation device comprises a substrate; a light emitter located on the substrate; a photosensor located on the substrate; and a first cover located above the light emitter and the photosensor. The first cover has a first side and a second side, wherein the first side faces the substrate. A first lens is located in the first cover proximate the light emitter. An aperture is located in the first cover proximate the photosensor. A second cover faces the first side of the first cover and has a second lens proximate a transparent portion. A first light path extends between the light emitter and the first lens. A second light path extends between the first lens and the second lens. A third light path extends between the second lens and the transparent portion. A fourth light path extends between the transparent portion and the photosensor through the aperture.11-18-2010
20110147102OBJECT DETECTION DEVICE - A device for detecting the presence of an object is provided. The device includes a light source, a current controller coupled to the light source, a sensor and a pattern detection engine. The current controller sets to provide the light source with a drive current having a pattern. The sensor is operable to receive light, notably light reflected from an object at the detection area and subsequently generates a signal in response to the light received. The pattern detection engine receives the signal from the sensor and subsequently reports the presence of the object upon determining the presence of the pattern in the signal. The object detection system is further configured to provide a navigation operation when an object is detected at the detection area.06-23-2011

Patent applications by Wui Pin Lee, Bayan Lepas MY