Patents by Inventor Wei-Chih Lin

Wei-Chih Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9052583
    Abstract: A portable electronic device with multiple projecting functions is provided. The portable electronic device includes a main body, a projecting module, and a switching mechanism. The projecting module is disposed within the main body for generating an image beam. The switching mechanism is movably disposed on the main body. When the switching mechanism is located at a first position, the image beam is projected along a first projecting path, and the portable electronic device is in a first operating mode. When the switching mechanism is located at a second position, the image beam is projected along a second projecting path, and the portable electronic device is in a second operating mode.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: June 9, 2015
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventors: Wei-Chih Lin, Chih-Chieh Yu
  • Patent number: 9028072
    Abstract: A laser projection system comprising a laser light and a human body detection module is disclosed. The laser light source emits a laser light. The human body detection module detects a reflective light of the laser light irradiated on an object. The human body detection module determines whether the object is a human according to a relationship between several reflectivity indexes of the reflective light. If the relationship corresponds to predefined situation, the human body detection module reduces a laser output intensity of the laser light.
    Type: Grant
    Filed: March 17, 2013
    Date of Patent: May 12, 2015
    Assignee: Lite-On Technology Corporation
    Inventors: Wei-Tien Chang, Fu-Ji Tsai, Chih-Chien Lu, Wei-Chih Lin
  • Patent number: 9018927
    Abstract: A portable electronic apparatus and a power management method are provided. The portable electronic apparatus includes a power manager and a controller. The power manager is used to receive a supply power generated by a power adapter. The power manager determines whether to generate a detecting signal by detecting whether a voltage value variation of the supply power is greater than a preset range. The power manager generates a current detecting value according to an input current provided by the supply power. The controller receives the detecting signal and the current detecting value, and generates an input current limit value according to a receiving status of the detecting signal and the current detecting value. The power manager controls the input current according to the input current limit value.
    Type: Grant
    Filed: July 4, 2013
    Date of Patent: April 28, 2015
    Assignee: Wistron Corporation
    Inventors: Wei-Chih Lin, Chih-Chuan Kung
  • Publication number: 20150077645
    Abstract: The invention discloses an image-projection module, which includes a light source assembly, a light polarization switching element, and a light-path switching assembly. The light source assembly generates a laser light beam. The light polarization switching element is configured to make the laser light beam passing therethrough to selectively have a first polarizing direction or a second polarizing direction. The light-path switching assembly receives the laser light beam passing through the light polarization switching element and determines a projection direction of the laser light beam according to the polarizing direction of the laser light beam.
    Type: Application
    Filed: June 4, 2014
    Publication date: March 19, 2015
    Inventor: Wei-Chih LIN
  • Patent number: 8961212
    Abstract: A burn-in socket for an IC package includes a base loaded with several terminals, a sliding plate, an actuator and a pair of locking elements. The sliding plate is assembled on the base and defines an upper surface. The actuator is mounted on the base and defines a receiving opening facing the upper surface. The locking elements is assembled on the actuator under a condition that the locking elements rotate inwards to press against the IC package and outwards to release the IC package when the actuator is push downwards in a vertical direction. Each locking element includes a rotating element and a pressing element. The rotating elements rotate in relative to the actuator and the pressing element rotates in relative to the rotating element. The pressing element defines a sliding slot and the rotating element defines a sliding post slidably receiving in the sliding slot.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: February 24, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Wei-Chih Lin, Hsiu-Yuan Hsu, Ming-Lun Szu
  • Publication number: 20140375345
    Abstract: An burn-in socket electrically connecting an IC package to a PCB, comprises a base, a cover, a plurality of contacts and a block-shaped heat sink. The base defines a receiving space for the IC package. The cover is pin-jointed to one side by a pivot of the base and able to rotate around the pivot. A plurality of contacts are retained in the base and partially exposed in the receiving space. The heat sink is located above the IC package and against to the IC package so as to apply its gravity force to the IC package. Top face of the heat sink is below top face of the cover.
    Type: Application
    Filed: June 23, 2014
    Publication date: December 25, 2014
    Inventor: WEI-CHIH LIN
  • Publication number: 20140338445
    Abstract: A method of utilizing a mobile device to detect an emergency includes detecting whether the mobile device is carried by a user; detecting an acceleration status of the mobile device when the mobile device is determined to be carried by the user; and determining whether the user is in the emergency according to the acceleration status of the mobile device.
    Type: Application
    Filed: November 21, 2013
    Publication date: November 20, 2014
    Applicant: Wistron Corporation
    Inventors: Wei-Chih Lin, Chih-Ping Huang, Yuan-Chan Lee
  • Publication number: 20140327425
    Abstract: A portable electronic apparatus and a power management method are provided. The portable electronic apparatus includes a power manager and a controller. The power manager is used to receive a supply power generated by a power adapter. The power manager determines whether to generate a detecting signal by detecting whether a voltage value variation of the supply power is greater than a preset range. The power manager generates a current detecting value according to an input current provided by the supply power. The controller receives the detecting signal and the current detecting value, and generates an input current limit value according to a receiving status of the detecting signal and the current detecting value. The power manager controls the input current according to the input current limit value.
    Type: Application
    Filed: July 4, 2013
    Publication date: November 6, 2014
    Inventors: Wei-Chih Lin, Chih-Chuan Kung
  • Publication number: 20140273508
    Abstract: Disclosed herein is a method of processing a device, comprising providing a substrate having a buffer layer disposed on a back side and forming an outer protection layer over the back side of the buffer layer, forming a thermal layer on the back side of the outer protection layer and heating the substrate through the thermal layer and the back side of the outer protective layer. A back side protection layer may be formed on the back side of the buffer layer. The thermal layer has a thermal emissivity coefficient of about 0.7 or greater and a thickness greater than a roughness of the back side of the outer protection layer. The back side protection layer is an oxide with a thickness between about 20 angstroms and about 50 angstroms. The outer protection layer is a nitride with a thickness between about 50 angstroms and about 300 angstroms.
    Type: Application
    Filed: June 24, 2013
    Publication date: September 18, 2014
    Inventors: Cheng-Chien Li, Wei-Chih Lin, Song-Bor Lee, Ching-Kun Huang
  • Publication number: 20140218698
    Abstract: A projection apparatus including a light source module and a Micro-electro-mechanical-system (MEMS) mirror is provided. The light source module outputs a plurality of illumination beams having different transmission paths. The MEMS minor is disposed on the transmission paths of the illumination beams. Each illumination beam propagates to the MEMS mirror respectively, and the illumination beams are respectively reflected by the MEMS mirror to project on a plurality of positions within an imaging region, wherein the transmission paths of the illumination beams transmitted from the light source to the MEMS mirror are not intersected with the imaging region.
    Type: Application
    Filed: June 20, 2013
    Publication date: August 7, 2014
    Inventor: Wei-Chih Lin
  • Patent number: 8769252
    Abstract: A computer system and a method for resetting the same are provided. The computer system includes a basic input output system (BIOS) chip and a keyboard controller. In the method, the BIOS chip monitors the keyboard controller to determine whether a time that the keyboard controller remains in a hang up state reaches an idle time limit. Besides, the keyboard controller monitors the BIOS chip to determine whether a time that the BIOS chip remains in the hang up state reaches the idle time limit When it is determined that the time of one of the BIOS chip and the keyboard controller remaining in the hang up state reaches the idle time limit, the computer system is reset in accordance with a hardware reset signal trigger by the other one of the BIOS chip and the keyboard controller.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: July 1, 2014
    Assignee: Wistron Corporation
    Inventor: Wei-Chih Lin
  • Publication number: 20140160448
    Abstract: An optical module used in a projection device is provided. The optical module includes a base and a filter mirror. The base has an inclined leaning surface and a sidewall surface. The sidewall surface is located at a periphery of the base and forms a through hole along a direction. The inclined leaning surface is extended from the sidewall surface and an inclined angle is formed between the inclined leaning surface and the direction. The filter mirror is disposed on the inclined leaning surface.
    Type: Application
    Filed: April 19, 2013
    Publication date: June 12, 2014
    Applicant: Lite-On It Corporation
    Inventors: Wei-Chih LIN, Chih-Chien LU, Meng-Che LIN, Chuan LEE, Chia-Yuan LIN, Cheng-Chung HSU, Yoshio HAYASHI
  • Publication number: 20140152963
    Abstract: An aligning method is provided. The aligning method includes: fixing a plurality of lenses and a beam combining unit in a fixing base; respectively disposing a plurality of light emitting units in a plurality of holders; leaning the holders on the fixing base, and respectively corresponding locations of the light emitting units to locations of the lenses; turning on the light emitting units, and enabling the light beams respectively emitted by the light emitting units to be combined by the beam combining unit after respectively passing through the lenses; and respectively adjusting positions of at least part of the light emitting units by using at least one jig to respectively hold the at least part of the light emitting units until an overlapping degree of the light beams combined by the beam combining unit matches a preset requirement. In addition, an optical apparatus is provided as well.
    Type: Application
    Filed: January 10, 2013
    Publication date: June 5, 2014
    Applicant: LITE-ON IT CORPORATION
    Inventors: Wei-Chih Lin, Chih-Chien Lu, Meng-Che Lin, Chuan Lee, Chia-Yuan Lin, Cheng-Chung Hsu, Yoshio Hayashi
  • Patent number: 8723800
    Abstract: An input detecting method used for a virtual projecting input system includes: emitting an image light beam through a reflecting mirror, and the image light beam forming a projecting point on a projecting plane; enabling the reflecting mirror to swing, so as to enable the image light beam to swing, and the projecting point scanning back and forth on the projecting plane, and generating an input image; detecting a swing frequency of the reflecting mirror, and generating a frequency signal; judging whether an input action occurs, and if yes, generating a detecting signal; and analyzing a phase difference between the frequency signal and the detecting signal, and calculating an input position of the input action according to the phase difference.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: May 13, 2014
    Assignee: Lite-On It Corporation
    Inventor: Wei-Chih Lin
  • Publication number: 20140099693
    Abstract: A high concentration H2S elimination system and a method using the same are disclosed. The system of the present invention comprises: a chemical H2S elimination module with a gas inlet, a gas outlet and a liquid outlet, wherein H2 S-containing gas is introduced into the chemical H2S elimination module; a reagent storage unit containing an oxidant; a liquid spray unit, wherein the oxidant contained in the reagent storage unit is introduced into the chemical H2S elimination module from the liquid inlet thereof through the liquid spray unit; a bio-regeneration unit comprising a microorganism to regenerate oxidant and connecting to the reagent storage unit; and a sulfur-removing module connecting to the liquid outlet of the chemical H2S elimination module.
    Type: Application
    Filed: September 10, 2013
    Publication date: April 10, 2014
    Applicant: National Chiao Tung University
    Inventors: Ching-Ping TSENG, Wei-Chih LIN
  • Patent number: 8681756
    Abstract: An anchor gateway, a communication method and a tangible machine-readable medium are provided. The anchor gateway is for use in a WiMAX network comprising an authentication gateway and a serving base station (BS). After a mobile station (MS) enters the WiMAX network, the anchor gateway will request the authentication gateway and the serving BS according to an identification of the MS to respectively provide authentication key context and medium access control context. Thereby, the network latency, which is made by the MS in handover, will be reduced effectively.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: March 25, 2014
    Assignee: Institute for Information Industry
    Inventors: Yu-Hsiang Lin, Po-Wen Chi, Ching-Lun Lin, Wei-Chih Lin, Rong-Hong Jan
  • Publication number: 20140036235
    Abstract: A laser projection system comprising a laser light and a human body detection module is disclosed. The laser light source emits a laser light. The human body detection module detects a reflective light of the laser light irradiated on an object. The human body detection module determines whether the object is a human according to a relationship between several reflectivity indexes of the reflective light. If the relationship corresponds to predefined situation, the human body detection module reduces a laser output intensity of the laser light.
    Type: Application
    Filed: March 17, 2013
    Publication date: February 6, 2014
    Applicant: LITE-ON IT CORPORATION
    Inventors: Wei-Tien CHANG, Fu-Ji Tsai, Chih-Chien Lu, Wei-Chih Lin
  • Publication number: 20140016104
    Abstract: A portable electronic device with multiple projecting functions is provided. The portable electronic device includes a main body, a projecting module, and a switching mechanism. The projecting module is disposed within the main body for generating an image beam. The switching mechanism is movably disposed on the main body. When the switching mechanism is located at a first position, the image beam is projected along a first projecting path, and the portable electronic device is in a first operating mode. When the switching mechanism is located at a second position, the image beam is projected along a second projecting path, and the portable electronic device is in a second operating mode.
    Type: Application
    Filed: November 16, 2012
    Publication date: January 16, 2014
    Applicant: LITE-ON IT CORPORATION
    Inventors: Wei-Chih Lin, Chih-Chieh Yu
  • Publication number: 20140002804
    Abstract: A speckle contrast reducing method for a laser scanning projection system includes the following steps. Firstly, a laser beam is provided. The laser beam is projected on a projection surface according to a first scanning trajectory, thereby generating a first image frame. Sequentially, the laser beam is projected on the projection surface according to a second scanning trajectory, thereby generating a second image frame at an image refresh rate. Moreover, the second scanning trajectory of the second image frame is shifted by a displacement from the first scanning trajectory of the first image frame along a slow-axis direction.
    Type: Application
    Filed: June 28, 2012
    Publication date: January 2, 2014
    Applicant: LITE-ON IT CORPORATION
    Inventors: Fu-Ji Tsai, Wei-Chih Lin, Wen-Lung Lin
  • Patent number: 8602337
    Abstract: A circulating processor includes a base, a container, a cutlery and a pressurizing mechanism. An operating motor is disposed in the base and is disposed with a mandrel therein. The container is disposed above the base, where a space is formed on its bottom part, and a reflux opening is formed on its upper half part and in communication with the space. The cutlery is positioned on the container's bottom part and connected to the mandrel. Thereby, when the operating motor operates, the mandrel and the cutlery are enabled to rotate synchronously, to mash food, vegetables and fruits in the container. The pressurizing mechanism is in communication with the space of the container. Through the pressurizing effect of the pressurizing mechanism, the mashed food, vegetables and fruits can be transferred into the container via the reflux opening, so as to perform circulating mashing treatment.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: December 10, 2013
    Inventor: Wei-Chih Lin