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Assignee: Benq Corporation


Location: Tao-Yuan Hsien, TW
No. of patents: 68

1    
NumberTitleIssue Date
7253967Optical assembly with a lens magnification-adjusting function
An optical assembly includes a barrel including a slot, a lens installed inside the barrel for magnifying an image, a magnification-adjusting mechanism installed outside and around the barrel including an adjusting loop installed outside the barrel in a rotatable ma...
08/07/2007
7248835Method for automatically switching a profile of a mobile phone
A method for automatically switching a profile of a mobile phone includes measuring a current environmental noise value of ambient noise surrounding the mobile phone. The current environmental noise value is then compared to a predetermined noise value, and a noise ...
07/24/2007
7233116Method for stabilizing brightness of a cold cathode fluorescent lamp and related apparatus
A method for stabilizing brightness of a cold cathode fluorescent lamp includes receiving currents from two ends of the cold cathode fluorescent lamp and providing a current for the cold cathode fluorescent lamp according to a lower current of the currents received ...
06/19/2007
7197347Method of changing a frequency band of a wireless communication device according to identity of a detachable cover
A wireless communication device includes an inner housing and a cover detachably installed on the inner housing, the cover containing an ID module for identifying the cover. A multi-band transceiver is disposed on the inner housing for processing transmitted and rec...
03/27/2007
7187952Method of accepting a phone call based on motion properties of the phone and related device
A method of accepting a phone call comprises applying a force to the phone when receiving an incoming phone call on the phone to effect motion properties on the phone, detecting the motion properties of the phone, and deciding whether to accept the incoming phone ca...
03/06/2007
7181726Method for providing active protection to programming tools for programmable devices
A method includes providing a programmable device, such as a mobile phone, having a plurality of operational modes and a key data, and providing a computer system having configuration data corresponding to the plurality of operational modes. An authorized portion of...
02/20/2007
7180835Data access method for improving performance of an optical disk drive
A data access method for improving performance of an optical disk drive is applied on a predetermined data access operation. A predetermined application program and the optical disk drive are used to run first, second, and third processes for accomplishing the prede...
02/20/2007
7167422Optical recording apparatus capable of optimizing write defocus and method thereof
An optical recording apparatus includes an optical pickup unit for generating and directing optical signals onto a given optical medium, and for detecting corresponding reflected optical signals from the optical medium; a focus motor for moving a focusing lens on th...
01/23/2007
7165726Portable electronic device with a fine-tunable camera module
A portable electronic device includes a housing including a hole, a camera module holder installed inside the housing, and a camera module. One end of the camera module is wedged in the hole of the housing, and the other end of the camera module is installed on the ...
01/23/2007
7146196Method for identifying detachable cover of a cellular phone
A cellular phone includes a housing and a cover detachably installed on the housing, the cover containing an ID module for identifying the cover. The cellular phone also contains a transceiver for controlling operation of the cellular phone, the transceiver containi...
12/05/2006
7146198Mobile phone having a side button which can fix a battery and adjust volume
A mobile phone includes a housing, a circuit board, a side button and a battery. The circuit board is installed in the housing. The side button is installed on the housing in a slidable manner. The battery is installed on the housing for supplying power to the mobil...
12/05/2006
7139670Image scanning system and method for calibrating sizes of scanned images
A system and method for calibrating sizes of scanned images automatically. The method includes scanning a reference chart, generating a calibration parameter according to the number of scanned pixels obtained in the scanning and the expected number of pixels of the ...
11/21/2006
7108379Projector for adjusting a projected image size and luminance depending on various environments
A projector includes a housing, an image module for projecting onto a screen toward a front side, a detecting module for detecting distances from the projector to the front side and from the projector to the back side, a processor for adjusting luminance of the proj...
09/19/2006
7103892Screwless optical disc drive housing
An optical disc drive contains a lower housing, a loader disposed on the lower housing, and an upper housing disposed on the lower housing for enclosing the loader between the upper housing and the lower housing. The lower housing contains a plurality of lower guidi...
09/05/2006
7100174CD drive which will not damage an optical disk
A CD drive includes an upper cover, a disk tray, a clamp, a push piece, and a guiding rod. The upper cover includes a guiding track and the disk tray is installed below the upper cover in a slidable manner. Additionally, the clamp is installed on the upper cover in ...
08/29/2006
7090604Belt tensioning device
An adjusting device provided on a transmission belt to adjust the tension of the transmission belt. The adjusting device includes a housing and a fastener fixed on the housing, the fastener engaging the transmission belt so that there is no relative displacement bet...
08/15/2006
7089041Method for managing incoming calls on a mobile phone
The present invention provides a method for managing incoming calls of a mobile phone. The mobile phone includes a control circuit and a volume detector. The method includes (a) receiving a call signal by the mobile phone, (b) detecting environmental volume surround...
08/08/2006
7077506Identifiable inkjet cartridge and method of preventing misplacing inkjet cartridge in an inkjet apparatus
An identifiable TAB for an inkjet cartridge. The identifiable tab contains a flexible substrate, a plurality of conductive traces formed on the flexible substrate, and a plurality of contacts formed on the flexible substrate and connected to the conductive traces. T...
07/18/2006
7079873Method and related apparatus for reducing cell phone power consumption
A method and related apparatus for reducing power consumption of a cell phone. The method includes: when the cell phone is in an idle state, connecting to a base station after a time interval several times that of the discrete receiving (DRX) time interval assigned ...
07/18/2006
7071958Color electrode array printer
An electrode array printer has a housing, an image roller, and a plurality of developer modules. Each of the developer modules has an electrode array printhead, a toner cartridge and a developer roller. The electrode array printhead is installed on a side surface of...
07/04/2006
7071966Method of aligning lens and sensor of camera
A method for aligning a lens of a camera with a sensor of the camera. The method includes positioning a test object a predetermined distance away from the lens of the camera, photographing the test object with the camera to produce image data, and outputting the ima...
07/04/2006
7054622Method for refreshing flash memory of a cellular phone
A method for transmitting data from a first cellular phone to a second cellular phone is provided. The first cellular phone includes a first flash memory having a transmitting program code, a receiving program code, and an application program code. The second cellul...
05/30/2006
7048387Image projection system with an invisible-light reflector for heat dissipation
An image projection system includes a light source for generating a light beam, a reflective housing, and an invisible-light reflector. The reflective housing includes an opening and forms an accommodating space for accommodating the light source so that the light b...
05/23/2006
7040731Method of adjusting the velocity of a printhead carriage according to the temperature of the printhead
A method for controlling printing quality in an inkjet printer having a printhead with a plurality of nozzles. The printhead is mounted in a carriage, and the carriage is moved to repeatedly pass the printhead across a print medium in individual swaths. The method i...
05/09/2006
7036901Method for reducing thermal accumulation during inkjet printing
A method for printing an image on a printing medium with an inkjet printing device includes providing data representative of an original image, calculating a total heat weighting value for the original image to indicate a degree of heat accumulation for the original...
05/02/2006
7023352Voltage-detecting method and related circuits
A voltage-detecting circuit includes a CPU, a comparator, a first resistor, a second resistor, and at least a power level segment detector connected in parallel with the first resistor, the power level segment detector having a third resistor and a first switch seri...
04/04/2006
7013540Rotating pin clasp apparatus
A rotating pin clasp apparatus includes a base member with a cavity formed on the surface of the base member and a rod disposed in the cavity of the base member. The rod includes a recess and a pin utilized for fastening the rotating pin clasp apparatus, where a fir...
03/21/2006
7014290Method and related apparatus for performing short and open circuit testing of ink jet printer head
Methods for detecting a short-circuit problem and an open-circuit problem in an ink jet printer. The ink jet printer includes at least an ink jet unit having an input end, a corresponding nozzle, and a control end. The ink jet printer further includes a driving circ...
03/21/2006
6984903Vibrator and related apparatus for providing vibration in different directions
A vibrator, applicable to a cell-phone or a pager for providing vibration in different directions to signal incoming messages. The vibrator includes a housing and an eccentric cam. The cam is capable of rotating around an axle to provide vibration along a horizontal...
01/10/2006
6981323Method for fabricating a fluid injection head structure
The present invention provides a fluid injection head structure and a method of fabricating the same. The fluid injection head structure is disposed on a substrate and has a bubble generator, a functional device for control the bubble generator, a first conductive t...
01/03/2006
6974941Method and apparatus for measuring performance of a lamp
A light source testing system includes a light source to form an image, an image capturing apparatus capturing the image by a plurality of pixels, and an image processing apparatus calculating a plurality of gray levels of the plurality of pixels to determine a char...
12/13/2005
6975872Always-on method for reinforcing existing mobile station E911-based location detection services applications
A method of locating a mobile station that is turned off. The method includes turning off the mobile station while keeping a battery of the mobile station intact in the mobile station. The mobile station enters a soft power-off mode after the mobile station has been...
12/13/2005
6971753Projecting system with an image-capturing device
A projecting system for projecting an image onto a screen includes a projector and an image-capturing device. The projector includes a light source, a beam splitter for splitting a beam generated by the light source into a visible beam and an invisible beam, a first...
12/06/2005
6969997Power source test instrument
A power source test instrument for a circuit includes a voltage test circuit and a current test circuit. Two operational amplifiers form the voltage test circuit and the current test circuit. The power source test instrument is convenient and saves time when conduci...
11/29/2005
6970643Radiator having a fan in variable rotation speed
A radiator includes a voltage regulator for providing a reference voltage, a fan including a power end connected to the reference voltage via a first resistor and a feedback end for outputting a pulse signal indicating the rotation speed of the fan, an integration c...
11/29/2005
6966632Microinjector with grounding conduction channel
A microinjector comprises a chamber for containing fluid, an orifice in fluid communication with the chamber, the orifice being disposed above the chamber, an actuator disposed proximately adjacent the orifice and external to the chamber for ejecting fluid from the ...
11/22/2005
D511518Mouse
11/15/2005
6960910Method for phase matching by detecting magnetic flux
A method for phase matching matches a relative phase of a first element and a second element by detecting a magnetic flux. The method provides a magnetic flux generator to generate the magnetic flux. The method also provides a magnetic sensor in order to detect the ...
11/01/2005
6942309Printing apparatus and method for maintaining temperature of a printhead
A printing apparatus includes a printhead for ejecting ink from a plurality of sets of nozzles. The printhead includes a substrate and a plurality of heaters arranged on the substrate for heating ink in the printhead to generate bubbles in the ink and eject the ink ...
09/13/2005
6938993Fluid injection head structure
A fluid injection head structure. The fluid injection head structure is formed on a substrate and has a manifold therein, bubble generators, a conductive trace, and at least two rows of chambers adjacent to the manifold in flow communication with the manifold. The c...
09/06/2005
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