Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Marc Drader

Marc Drader, Kitchener CA

Patent application numberDescriptionPublished
20080212298ELECTRICAL CONNECTOR AND SYSTEM FOR A COMPONENT IN AN ELECTRONIC DEVICE - The disclosure describes a printed circuit board (PCB) for use in an electronic device. The PCB comprises: a top side; a bottom side; an edge between the top side and the bottom side; a cavity from the top side to the bottom side; a region on the top side for mounting an electronic device; and a connector for receiving connections from the electronic device. In the PCB, the connector is located on either the bottom side or the edge of the side of the PCB. The electronic device can be a display module.09-04-2008
20080297469VISUAL NOTIFICATION METHODS FOR CANDY-BAR TYPE CELLPHONES - A wireless handheld communications device with a liquid crystal display, especially, a field sequential liquid crystal display, includes a visual notification for a powered up, inactive state. The visual notification is preferably through a light emitting diode that may be part of the backlighting system for the LCD or may be independent from the backlighting system. The waveforms, periodicity, colour selection, and colour sequencing may be customizable by one or both of the manufacturer and user.12-04-2008
20090010595METHOD AND DEVICE TO IMPROVE BACKLIGHT UNIFORMITY - A method for providing a hot spot filter for a light guide is provided by taking an image of the light output pattern of an illuminated light guide. The hot spot filter may be a film, a layer, or an additional liquid crystal display dedicated to attenuating bright spots from the light guide. The hot spot filter may be incorporated into the image display by adjusting the grey scale of individual pixels to provide sufficient compensation.01-08-2009
20100156962METHOD FOR MAINTAINING THE WHITE COLOUR POINT IN A FIELD-SEQUENTIAL LCD OVER TIME - A field sequential liquid crystal display maintains its white colour point through compensation values to at least one colour light emitting diode that illuminates the display. The compensation values may be impedances to control the current or pulsing of the current source according to a pulse width modulation technique. A degradation curve may be used to calculate extrapolate the theoretical forward voltage of the light emitting diode. Additional complexity arises from the need for calculating uptime for multiple light emitting diodes of different colours. Brightness levels may also be factored in. Additional processing of a display element may be provided when a grey scale image is being generated.06-24-2010
20100165143METHOD AND APPARATUS FOR CONTROLLING A CAMERA MODULE TO COMPENSATE FOR THE COLOR SPECTRUM OF A WHITE LED - A method and an apparatus enabling use of a light source emitting a spectrum of light not following characteristics of a blackbody source of light with a camera module programmed for use with light sources following characteristics of blackbody sources of light, wherein a white-balance patch is transmitted to the camera module to cause the camera module to accept color coordinates representing a point on a chromaticity chart that partly defines a region of color coordinates on the chromaticity chart into which color coordinates of the light source fall and to which color coordinates of a reference white color derived by a white-balance routine of the camera module are constrained.07-01-2010
20100172640HANDHELD ELECTRONIC DEVICE AND CAMERA PROVIDING FLASH COMPENSATION OF IMAGES, AND ASSOCIATED METHOD - An improved handheld electronic device and camera apparatus upon which can be executed an improved method enable a modular camera to be used in conjunction with a flash. In one implementation, compensation parameters that are intended for use in a non-flash situation are overwritten with compensation parameters that are configured to compensate for the combined effects of the camera and the flash and are used by an embedded compensation routine executed on the camera. In another implementation, an image signal is processed by the embedded compensation routine using the original compensation parameters, but if it is determined that the image signal is a flash image signal, the image signal is further processed by the embedded compensation routine employing an additional set of parameters which compensate the image signal for the effect of the flash.07-08-2010
20110025879METHOD AND APPARATUS FOR CONTROLLING A CAMERA MODULE TO COMPENSATE FOR THE LIGHT LEVEL OF A WHITE LED - A method and an apparatus enabling use of a light source emitting a light of changing intensity and changing spectrum as a flash with a camera module having a white-balance routine and an exposure routine, wherein an initial value representative of a color spectrum emitted by the light source is transmitted to the camera module, the light source is turned on, and the camera module is signaled to scan a plurality of images of the scene while the light source is turned on, allowing the white-balance and exposure algorithms to be employed with each image scanned to refine the first initial value to refine the degree of compensation employed in correcting a color and a light level in the last one of the images of the plurality of images scanned.02-03-2011
20110234846METHOD AND APPARATUS FOR CONTROLLING A CAMERA MODULE TO COMPENSATE FOR THE COLOR SPECTRUM OF A WHITE LED - A method and an apparatus enabling use of a light source emitting a spectrum of light not following characteristics of a blackbody source of light with a camera module programmed for use with light sources following characteristics of blackbody sources of light, wherein a white-balance patch is transmitted to the camera module to cause the camera module to accept color coordinates representing a point on a chromaticity chart that partly defines a region of color coordinates on the chromaticity chart into which color coordinates of the light source fall and to which color coordinates of a reference white color derived by a white-balance routine of the camera module are constrained.09-29-2011
20110273588HANDHELD ELECTRONIC DEVICE AND CAMERA PROVIDING FLASH COMPENSATION OF IMAGES, AND ASSOCIATED METHOD - An improved handheld electronic device and camera apparatus upon which can be executed an improved method enable a modular camera to be used in conjunction with a flash. In one implementation, compensation parameters that are intended for use in a non-flash situation are overwritten with compensation parameters that are configured to compensate for the combined effects of the camera and the flash and are used by an embedded compensation routine executed on the camera. In another implementation, an image signal is processed by the embedded compensation routine using the original compensation parameters, but if it is determined that the image signal is a flash image signal, the image signal is further processed by the embedded compensation routine employing an additional set of parameters which compensate the image signal for the effect of the flash.11-10-2011
20120071209MOBILE WIRELESS COMMUNICATIONS DEVICE WITH REDUCED INTERFERING ENERGY FROM THE DISPLAY AND RELATED METHODS - A mobile wireless communications device includes a housing and circuit board carried by the housing and includes radio frequency (RF) circuitry and a processor carried by the circuit board and operative with each other. A display connector for an LCD connector is mounted on the circuit board and adapted to be connected to a display. Display connection lines are carried by the circuit board and interconnect the display connector and processor for carrying signals from the processor to the display connector and a connected display. Filters are carried by the circuit board and connected to the display connection lines and reduce any interfering energy from the processor and display.03-22-2012

Patent applications by Marc Drader, Kitchener CA

Marc Drader, Waterloo CA

Patent application numberDescriptionPublished
20090186653MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING SHARED VOICE COIL TO PROVIDE HEARING AID COMPATIBILITY AND RELATED METHODS - A mobile wireless communications device is for use with a hearing aid including a hearing aid compatible (HAC) coil. The device may include a portable housing and a wireless receiver carried by the portable housing. The device may also include at least one image capture component and a positioning coil associated therewith and carried by the portable housing. A controller may also be carried by the portable housing for selectively operating the positioning coil for image capture, and for inductively coupling received signals from the wireless receiver to the HAC coil.07-23-2009
20100020227ELECTRONIC DEVICE HAVING A CAMERA AND METHOD OF CONTROLLING A FLASH - A method of controlling a flash output for capturing an image in a portable electronic device having a digital camera includes receiving light at an image sensor, determining a flash output adjusted for colour and brightness based on the light received at the image sensor, providing the flash output, and capturing a resultant image at a digital image processor.01-28-2010
20100223461SECURE DATA TRANSFER ON A HANDHELD COMMUNICATIONS DEVICE - A handheld communications device comprises a display device, and a data processor that is in communication with the display device. The data processor is configured to generate an encryption key, and vary a visual output of the display device in accordance with a bit sequence of the encryption key. The varying visual output comprises a sequence of colours rendered on the display device and/or brightness levels output by the display device.09-02-2010
20110199533METHOD AND APPARATUS FOR REDUCING CONTINUOUS AUTOFOCUS POWER CONSUMPTION - A method and apparatus providing an autofocus routine in a camera apparatus having a processor is disclosed. The camera apparatus is adapted to detect a number of images and communicate image signals representative thereof to the processor. The method includes determining that a degree of change between a first image signal and a second image signal is below a predetermined threshold and responsive thereto, performing the autofocus routine.08-18-2011
20110211089Mobile Electronic Device Having Camera With Improved Auto White Balance - An improved mobile electronic device and camera provide an improved auto white balance system where constraints can be imposed the correlated color temperature (CCT) that is employed by the auto white balance system. For instance, if a distance between a subject and the camera is determined to exceed a threshold for closeness, the CCT can be constrained so that it is above a preset CCT that corresponds with sunrise or sunset. Other distance thresholds and the content of an image, as well as the brightness of the image, can be further employed in determining the CCT to employ.09-01-2011
20110211807APPARATUS AND METHOD FOR UTILIZING A FLASH LED AS A VIDEO INDICATOR LIGHT - A method and an apparatus providing a visual indication of the occurrence of video recording operations on an electronic device. The video recording operations including recording a plurality of frames according to a number of characteristics. The method comprising providing a time interval between the recording of two consecutive frames by modifying at least one of the characteristics of the video recording operations and providing the visual indication of video recording operations during the time interval.09-01-2011
20110286617MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING SHARED VOICE COIL TO PROVIDE HEARING AID COMPATIBILITY AND RELATED METHODS - A mobile wireless communications device is for use with a hearing aid including a hearing aid compatible (HAC) coil. The device may include a portable housing and a wireless receiver carried by the portable housing. The device may also include at least one image capture component and a positioning coil associated therewith and carried by the portable housing. A controller may also be carried by the portable housing for selectively operating the positioning coil for image capture, and for inductively coupling received signals from the wireless receiver to the HAC coil.11-24-2011
20110292239COMPOSITE FLASH FOR A MOBILE DEVICE - An apparatus and method for capturing an image on a mobile device having a flash comprising a red light source and a white light source is presented herein. A detection of a color spectrum of ambient light is made using image data sensed by an image sensor. Additionally, a determination of an intensity of red light when combined with an associated intensity of white light results in a color spectrum that substantially matches the color spectrum of the ambient light. The flash emits white light from the white light source of the flash and red light from the red light source of the flash. An image from a camera module is recorded during the emission of the white and red light.12-01-2011
20110311084SHARED COIL FOR INDUCTIVE CHARGING AND HEARING-AID-COMPLIANCE REQUIREMENTS IN MOBILE PHONES - A mobile communication device that is compliant with the Hearing Aid Compliance Act. The device includes a coil and circuitry that can couple, through electromagnetic induction, the output of an audio codec of the device to a hearing aid. The coil and circuitry can also be used to charge the battery of the device. The coil and circuitry can further be used, through electromagnetic induction, to transfer energy from the battery of the device to the battery of the hearing aid to charge the battery of the hearing aid.12-22-2011

Patent applications by Marc Drader, Waterloo CA

Marc Drader, Kitchener, CA US

Patent application numberDescriptionPublished
20100149205METHOD AND DEVICE TO IMPROVE BACKLIGHT UNIFORMITY - A system and method for compensating for non-uniform illumination from a light guide for a display in an electronics device is provided. The system comprises: a memory device storing a data representing a first compensation pattern for generation on the display to block light from a first portion of the light guide relative to light from a second portion of the light guide; a first module to incorporate the stored representation into an image to be displayed on the display; and a second module to generate the image with the stored representation for display on the display. In the system, when the first module generates the first compensation pattern on the display, the first compensation pattern aligns with the first and second portions to reduce an intensity of light from a light source passing through the first compensation pattern from the first portion relative to an intensity of light passing through the first compensation pattern from the second portion from the light source.06-17-2010

Marc Drader, Bochum DE

Patent application numberDescriptionPublished
20100060178METHOD AND APPARATUS FOR MAXIMIZING THE SUSTAINABLE FLASH OF A HANDHELD PORTABLE ELECTRONIC DEVICE - A method and apparatus for maintaining a maximum sustained flash current over the whole length of a flash using a programmable current drive in a handheld portable device powered by a battery. The method involves measuring the battery voltage before and after a flash is initiated and calculating the equivalent series resistance (ESR) of the battery. The calculated ESR is then used to adjust the flash current. The process may be repeated to correct for errors in the flash current.03-11-2010

Marc Drader, Lans En Vercors FR

Patent application numberDescriptionPublished
20120191993SYSTEM AND METHOD FOR REDUCING POWER CONSUMPTION IN AN ELECTRONIC DEVICE HAVING A TOUCH-SENSITIVE DISPLAY - A system and method for reducing power consumption in an electronic device by controlling the transition of the electronic device from a sleep mode to a full power mode. The electronic device comprises a main processor a touch-sensitive overlay, and an overlay controller. A sequence of touch inputs on the touch-sensitive overlay are detected and captured using the overlay controller while the main processor is in the sleep mode. A subset of the sequence of touch inputs is processed using the overlay controller to determine that the sequence of touch inputs corresponds to a coarse model of a pre-determined wake-up gesture prior to transitioning the electronic device from the sleep mode to the full power mode.07-26-2012