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Mark L. Larson, Grand Haven US

Mark L. Larson, Grand Haven, MI US

Patent application numberDescriptionPublished
20090015736INTERIOR REARVIEW MIRROR ASSEMBLY WITH DISPLAY - A video mirror system for a vehicle comprising an interior rearview mirror assembly having a transflective electro-optic reflective element that transmits at least about ten percent of visible light incident thereon and reflects at least about sixty percent of visible light incident thereon. A display module is disposed at a rear of the transflective electro-optic reflective element and comprises a plurality of individual light sources. A thermally conductive element may be in substantial thermal contact with the display module and is exposed at a rear casing portion of the mirror assembly so as to draw heat generated by the display module away from the display module and to the exterior of the interior rearview mirror assembly. The exposure of the thermally conductive element at the rear casing portion may be substantially not discernible to a viewer viewing the rear casing portion of the interior rearview mirror assembly.01-15-2009
20090072124VEHICULAR IMAGE SENSING SYSTEM - An image sensing system for a vehicle includes an imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate. The imaging sensor is disposed at an interior portion of the vehicle, and may be at or proximate to an interior rearview mirror assembly of the vehicle. The system includes a logic and control circuit comprising an image processor for processing image data derived from the imaging sensor. The image sensing system may identify objects of interest based on spectral differentiation or by comparing over successive frames image data associated with objects in the forward field of view of the image sensor or by objects of interest being at least one of qualified and disqualified based at least in part on object motion in the field of view of the imaging sensor.03-19-2009
20090201137REARVIEW ASSEMBLY WITH DISPLAY - A rearview assembly for a vehicle includes a mirror element having a partially reflective, partially transmissive coating and a video display positioned behind the mirror element such that a display image is viewable through the partially reflective, partially transmissive coating. The video display may generate a viewable display image that has an intensity of at least 250 cd/m08-13-2009
20090262192VEHICULAR VISION SYSTEM - A vehicular vision system includes at least a first image capture sensor and a second image capture sensor disposed at a vehicle and spatially separated and having respective fields of view with respect to the direction of travel of the equipped vehicle. A control receives a first image input from the first image capture sensor and a second image input from the second image capture sensor and generates a composite image synthesized from at least the first image input and the second image input. A display system displays the composite image on a single video screen located in a cabin of the equipped vehicle and viewable by a driver of the equipped vehicle when the driver is normally operating the equipped vehicle. The single video screen of the display system may have a display luminance that is variable responsive to a sensing of an ambient light level.10-22-2009
20100090603VEHICULAR IMAGE SENSING SYSTEM - A vehicle headlamp control method and apparatus includes providing an imaging sensor that senses light in spatially separated regions of a field of view forward of the vehicle. Light levels sensed in individual regions of the field of view are evaluated in order to identify light sources of interest, such as oncoming headlights and leading taillights. The vehicle's headlights are controlled in response to identifying such particular light sources or absence of such light sources. Spectral signatures of light sources may be examined in order to determine if the spectral signature matches that of particular light sources such as the spectral signatures of headlights or taillights. Sensed light levels may also be evaluated for their spatial distribution in order to identify light sources of interest.04-15-2010
20100097469INTERIOR MIRROR ASSEMBLY WITH DISPLAY - An interior rearview mirror system and assembly includes a variable reflectivity reflective element and a video display screen disposed behind the reflective element and operable to display images viewable through the reflective element by a person viewing the interior rearview mirror assembly when it is normally mounted in a vehicle. The video display screen may be operable to brighten or enhance the intensity of images displayed by the video display screen responsive to a dimming condition of the variable reflectivity reflective element. The mirror system may include an image sensor and a decoder that decodes an output signal of the image sensor. The decoder has a microprocessor operable to control the video display screen, such that the captured image data are processed and images are displayed via operation of a common microprocessor. A compass chip may connect to a vehicle wire harness that extends from a vehicle headliner.04-22-2010
20100118146AUTOMATIC VEHICLE EXTERIOR LIGHT CONTROL - A system and method of automatically controlling vehicle exterior lights including an image sensor and a controller to generate headlamp control signals.05-13-2010
20100124348MICROPHONE SYSTEM FOR VEHICLE - A vehicle interior rearview mirror assembly comprises an accessory, a reflective element and a bezel. The mirror assembly may define portions of a pocket that at least partially receives and secures the accessory therebetween when the reflective element is at least partially received in the bezel. The mirror assembly may include a microphone and an acoustic cover positioned at least partially over one or more inlet ports of the microphone. The acoustic cover may include an outer air flow limiting layer that substantially limits air flow therethrough and a diffusing material that may space and support the outer layer from the inlet ports to substantially diffuse air flow that penetrates the outer layer. An acoustic barrier may be positioned between a pair of inlet ports of the microphone to enhance the directivity of the microphone.05-20-2010
20100194890VIDEO MIRROR SYSTEM SUITABLE FOR USE IN A VEHICLE - A vehicular video mirror system includes an interior rearview mirror assembly having a transflective reflective element. The mirror system includes a video display device at a casing of the mirror assembly rearward of the transflective reflective element, with the video display device having a video screen and a plurality of individual white light emitting light sources operable for backlighting the video screen. The intensity of light emitted by the white light emitting light sources is variable responsive to detection of light by at least one photosensor. The video screen may be operable to display video images captured by a rear back-up camera of the equipped vehicle during a reversing maneuver of the equipped vehicle. Light emanating from the white light emitting light emitting diodes may pass through a brightness enhancement film and a light diffuser to be incident at a transflective reflector of a second substrate of the mirror assembly.08-05-2010
20110285849VEHICULAR IMAGE SENSING SYSTEM - An image sensing system for a vehicle includes an imaging sensor and a control. The imaging sensor has a two-dimensional array of light sensing pixels, and has a forward field of view through the windshield of a vehicle equipped with the image sensing system to the exterior of the equipped vehicle. The imaging sensor is operable to capture image data and the control includes an image processor. The image sensing system determines an object of interest present in the forward field of view of the imaging sensor via processing of the captured image data by the image processor. The image processing includes spatial filtering. The spatial filtering may, at least in part, identify atmospheric conditions. The spatial filtering may include analysis of a spectral signature representative of at least one detected light source present in the forward field of view of the imaging sensor.11-24-2011
20120113260VEHICULAR VISION SYSTEM - A vehicular vision system includes a photosensor array having a forward field of view to the exterior of the vehicle through the windshield of the vehicle. A portion of the photosensor array captures image data representative of an item of interest exterior the vehicle and within the forward field of view. A control is responsive to an output of the photosensor array and includes an image processor for processing the image data. At least responsive to the control analyzing the image data, the image sensing system senses the presence of an object within the field of view of the photosensor array, and the image sensing system, responsive at least in part to sensing the presence of the object, at least one of (i) controls a vehicle system using forward field of view information and (ii) supplements control of a vehicle system using forward field of view information.05-10-2012
20120154591IMAGING AND DISPLAY SYSTEM FOR VEHICLE - A vehicular imaging and display system includes a rear backup camera at a rear portion of a vehicle, a video processor for processing image data captured by the rear camera, and a video display screen responsive to the video processor to display video images. During a reversing maneuver of the equipped vehicle, the video display screen displays video images captured by the rear camera. During forward travel of the equipped vehicle, the video display screen is operable to display images representative of a portion of the field of view of the rear camera to display images representative of an area sideward of the equipped vehicle responsive to at least one of (a) actuation of a turn signal indicator of the vehicle, (b) detection of a vehicle in a side lane adjacent to the equipped vehicle and (c) a lane departure warning system of the vehicle.06-21-2012
20120283908VEHICULAR IMAGE SENSING SYSTEM - An image sensing system for a vehicle includes an imaging sensor having an array of light sensing photosensor elements. The imaging sensor views through the windshield of the equipped vehicle at a region of the windshield that is swept by a windshield wiper of the equipped vehicle. The imaging sensor is operable to capture image data and is operable to capture frames of image data at a plurality of exposure periods. The image sensing system identifies objects in the forward field of view of the imaging sensor via processing of the captured image data by an image processor. The objects identified by the image sensing system may include at least one of (i) headlights of approaching vehicles, (ii) taillights of leading vehicles, (iii) lane markers on a road being traveled by the equipped vehicle, (iv) traffic signs, (v) traffic lights, (vi) stop signs and/or (vii) caution signs.11-08-2012
20130096777VEHICULAR IMAGE SENSING SYSTEM - An image sensing system for a vehicle includes an imager disposed at or proximate to an in-cabin portion of a vehicle windshield and having a forward field of view to the exterior of the vehicle through the vehicle windshield. The photosensor array of the imager is operable to capture image data. The image sensing system identifies objects in the forward field of view of the imager via processing of captured image data by an image processor. The photosensor array may be operable to capture frames of image data and the image sensing system may include an exposure control which determines an accumulation period of time that the photosensor array senses light when capturing a frame of image data. Identification of objects may be based at least in part on at least one of (i) shape, (ii) luminance, (iii) geometry, (iv) spatial location, (v) motion and (vi) spectral characteristic.04-18-2013
20130106993DRIVER ASSISTANCE SYSTEM FOR A VEHICLE05-02-2013
20130128049DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A driver assistance system for a vehicle includes a first imager disposed at a left side of the vehicle, a second imager disposed at a rear of the vehicle and a third imager disposed at a right side of the vehicle. The first, second and third imagers have respective fields of view and the first imager is spatially separated from the second imager and the third imager is spatially separated from the second imager. A display system has a single display screen that is viewable by a driver of the vehicle. The display screen is operable to display an image derived from image data captured by the first, second and third imagers. The display screen displays an image synthesized from image data captured by each of the first, second and third imagers. The displayed image approximates a view from a single virtual camera location.05-23-2013
20130129107VOICE ACQUISITION SYSTEM FOR VEHICLE - A voice acquisition system for a vehicle includes a microphone having a first microphone element and a second microphone element. The system includes circuitry for processing signals output by the first and second microphone elements. The first microphone element is disposed at a first acoustic port and the second microphone element is disposed at a second acoustic port. The first acoustic port is at least partially isolated from the second acoustic port. When the microphone is normally mounted in an interior cabin of a vehicle, vocal signals emanating from an occupant of the vehicle pressurize the first microphone element at the first acoustic port ahead of pressurization by the vocal signals of the second microphone element at the second acoustic port. The voice acquisition system may include at least one of (i) discrimination of vocal signals from non-vocal signals, (ii) noise cancellation and (iii) filtering of noise.05-23-2013
20130138294DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A driver assistance system for a vehicle includes a bracket attached at a windshield of a vehicle and a housing mounted to the bracket and an imager disposed in the housing. The imager may include (i) a two-dimensional CMOS photosensor array of photosensor elements and/or (ii) a lens. With the housing mounted to the bracket attached at the vehicle windshield, the imager views to the exterior of the vehicle through the vehicle windshield at a region of the windshield that may be swept by a windshield wiper of the vehicle. The photosensor array is operable to capture image data. A control includes an image processor disposed in the housing. The image processor includes a digital signal processor. The driver assistance system identifies objects viewed by the imager via processing by the image processor of captured image data. A spectral filter may be disposed between the photosensor array and the lens.05-30-2013
20130194426MULTI-CAMERA VISION SYSTEM FOR A VEHICLE - A multi-camera vision system for a vehicle includes first, second and third image capture devices disposed at respective vehicle portions. The first image capture device field of view overlaps with the third image capture device field of view defining a first overlap zone, and the second image capture device field of view overlaps with the third image capture device field of view defining a second overlap zone. Responsive to processing by an image processor of received image data, a synthesized image is generated without duplication of objects present in the first overlap zone and in the second overlap zone. The synthesized image approximates a view as would be seen by a virtual camera at a single location exterior of the vehicle, and is displayed by a single display screen of a reconfigurable display device that is viewable by a driver of the vehicle when normally operating the vehicle.08-01-2013
20130250046MULTI-CAMERA VISION SYSTEM FOR A VEHICLE - A multi-camera vision system for a vehicle includes first, second and third image capture devices having respective first, second and third fields of view exterior of the vehicle. The first field of view overlaps with the third field of view defining a first overlap zone, and the second field of view overlaps with the third field of view defining a second overlap zone. Responsive to processing of captured image data, a synthesized image is generated without duplication of objects present in the first and second overlap zones and the synthesized image approximates a view as would be seen by a virtual camera at a single location exterior of the vehicle. The synthesized image is displayed by a single display screen that is viewable by a driver of the vehicle and the synthesized image assists the driver in executing a maneuver of the vehicle with a trailer attached thereto.09-26-2013
20130297148DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A driver assistance system for a vehicle includes an imager and a control having an image processor. The imager is disposed at or proximate to an in-cabin portion of a windshield of a vehicle and has a forward field of view to the exterior of the vehicle through the vehicle windshield. The driver assistance system identifies objects in the forward field of view of the imager via processing of captured image data by the image processor. At least in part responsive to processing of captured image data by the image processor, a determination is made that the vehicle is being operated in an urban environment. Responsive to the determination that the vehicle is being operated in an urban environment, operation of a driver assistance function of the vehicle is inhibited.11-07-2013
20130300871DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A driver assistance system for a vehicle includes an imager disposed in a housing and a control. The imager includes a CMOS photosensor array of photosensor elements and a lens. With the housing disposed in a vehicle, the imager views forwardly to the exterior of the vehicle through the vehicle windshield at a region of the windshield that is swept by a windshield wiper of the vehicle. The CMOS photosensor array is operable to capture image data. The control includes an image processor disposed in the housing. The driver assistance system identifies objects viewed by the imager via processing by the image processor of captured image data. At least in part responsive to processing of captured image data by the image processor, streetlights present exterior of the vehicle and viewed by imager are discriminated from other objects present exterior the vehicle and viewed by imager.11-14-2013
20140022390INTERIOR REARVIEW MIRROR ASSEMBLY - An interior rearview mirror assembly for a vehicle includes a mirror reflective element and a video display device operable to display video information that is viewable by a driver of the vehicle through said mirror reflective element and at a display region of said mirror reflective element. The video display device may be operable to display a directional heading at a compass display portion of the display region, and means may be provided to adjust the directional heading display to limit image sticking of the displayed directional heading. The mirror assembly may have a touch zone having at least one touch pad established at a perimeter border band of the reflective element, and may have another touch sensor to detect a touch of a user away from the touch zone to determine when a detected touch at the touch zone is an unintentional touch.01-23-2014
20140084789VEHICULAR VISION SYSTEM - A vehicular vision system includes a camera having a lens and a CMOS photosensor array having a plurality of photosensor elements. The camera is disposed at an interior portion of a vehicle equipped with the vehicular vision system. The camera one of (i) views exterior of the equipped vehicle through the windshield of the equipped vehicle and forward of the equipped vehicle and (ii) views from the windshield of the equipped vehicle into the interior cabin of the equipped vehicle. A control includes an image processor that processes image data captured by the photosensor array. The image processor processes captured image data to detect an object viewed by the camera. The photosensor array is operable at a plurality of exposure periods and at least one exposure period of the plurality of exposure periods is dynamically variable.03-27-2014
20140293169REARVIEW MIRROR ASSEMBLY - A vehicular rearview minor assembly includes a mirror reflective element and a touch sensor device disposed behind a portion of the reflective element and operable to sense the presence of a person's finger at a touch zone of the reflective element proximate to the touch sensor device. A backlighting device is disposed behind the touch sensor device and is operable to backlight a portion of the touch sensor device. The touch sensor device includes a touch sensor substrate having a conductive trace established at a patterned conductive zone of the touch sensor substrate. When the backlighting device is activated, light emanating from the backlighting device passes through the patterned conductive zone of the touch sensor substrate and illuminates an icon so that the icon is viewable through the reflective element by a driver of the vehicle when the rearview mirror assembly is normally mounted at the vehicle.10-02-2014
20140313563INTERIOR REARVIEW MIRROR ASSEMBLY - A rearview mirror assembly for a vehicle includes a mirror casing and an electro-optic reflective element assembly disposed at the mirror casing. A second surface of a front substrate of the reflective element assembly has a transparent conductive coating established thereat and a third surface of a rear substrate has a conductive coating established thereat. An electrical connector may be disposed at the fourth surface and in electrically conductive continuity with the transparent conductive coating and/or the conductive coating. The electrical connector may include a connector attaching portion for attaching at the fourth surface and a conductor attaching portion for soldering or welding an electrical conductor or wire to the electrical connector when the electrical connector is attached at the fourth surface. The conductor attaching portion is spaced from the plane of the connector attaching portion and the fourth surface of the rear substrate.10-23-2014

Patent applications by Mark L. Larson, Grand Haven, MI US

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