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Jon H Bechtel, Joseph S Stam: Control circuit for image array sensors. Gentex Corporation, Brooks & Kushman P C, November 23, 1999: US05990469 (463 worldwide citation)

A control system for controlling an image array sensor and controlling communication between the image array sensor and a microcontroller by way of a serial communication interface. The control system is able to efficiently control various aspects of the image array sensor such as windowing, mode of ...


2
Joseph S Stam, Jon H Bechtel, John K Roberts: Moisture sensor and windshield fog detector using an image sensor. Gentex Corporation, Brooks & Kushman P C, July 13, 1999: US05923027 (420 worldwide citation)

A control system for automatically detecting moisture on the windshield of a vehicle. The automatic moisture detecting system includes an optical system for imaging a portion of the windshield on to an image array sensor, such as a CMOS active pixel sensor. The voltages of each of the pixels which r ...


3
Joseph S Stam, Jon H Bechtel, Frederick T Bauer: Continuously variable headlamp control. Gentex Corporation, Brooks & Kushman P C, April 11, 2000: US06049171 (379 worldwide citation)

Continuously variable headlamps offer greater flexibility for roadway illumination but offer challenges in automatic control design. Each continuously variable headlamp has an effective illumination range varied by changing at least one parameter from a set including horizontal direction aimed, vert ...


4
John K Roberts, Frederick T Bauer, Joseph S Stam, Timothy A Bonardi, William L Tonar, Robert R Turnbull: Indicators and illuminators using a semiconductor radiation emitter package. Gentex Corporation, Randall S Vaas, Price Heneveld Cooper DeWitt & Litton, August 27, 2002: US06441943 (370 worldwide citation)

A vehicle lamp assembly includes a housing and an LED lamp carried in the housing. A signal mirror, includes a mirror; and an LED lamp. The LED lamp includes a heat extraction member.


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William L Tonar, Jeffrey A Forgette, John S Anderson, Jon H Bechtel, John W Carter, Joseph S Stam: Electrochromic rearview mirror incorporating a third surface metal reflector and a display/signal light. Gentex Corporation, Brian J Rees, Price Heneveld Cooper DeWitt & Litton, March 12, 2002: US06356376 (358 worldwide citation)

An electrochromic mirror is disclosed for use in a vehicle rearview mirror assembly having a light source positioned behind the electrochromic mirror for selectively projecting light through the mirror. The electrochromic mirror includes front and rear spaced elements each having front and rear surf ...


6
Joseph S Stam, Jon H Bechtel, Spencer D Reese, John K Roberts, William L Tonar, G Bruce Poe, Douglas J Newhouse: System for controlling exterior vehicle lights. Gentex Corporation, Price Heneveld Cooper DeWitt & Litton, July 1, 2003: US06587573 (334 worldwide citation)

A system and method of automatically controlling exterior vehicle lights includes an image sensor and a controller to generate control signals. The control signals are derived based on information obtained from the image sensor as well as other detected parameters pertaining to the detected light so ...


7
John K Roberts, Joseph S Stam, Spencer D Reese, Robert R Turnbull: Semiconductor radiation emitter package. Gentex Corporation, Brian J Rees, Price Heneveld Cooper DeWitt & Litton, January 1, 2002: US06335548 (308 worldwide citation)

A semiconductor optical radiation package includes a leadframe, at least one semiconductor optical radiation emitter and an encapsulant. The leadframe has a heat extraction member, which supports the semiconductor optical emitter and provides one or more thermal paths for removing heat generated wit ...


8
Joseph S Stam, Jon H Bechtel, Eric R Fossum, Sabrina E Kemeny: Wide dynamic range optical sensor. Gentex Corporation, Brooks & Kushman P C, December 28, 1999: US06008486 (271 worldwide citation)

A system and method is described for increasing effective integration time of an optical sensor including holding a first signal within each pixel cell, proportional to light integrated by the pixel cell over the previous frame period, generating a second signal within each pixel cell proportional t ...


9
Frederick T Bauer, Lois Bauer, John K Roberts, Joseph S Stam: Systems and components for enhancing rear vision from a vehicle. Gentex Corporation, Brian J Rees, Price Heneveld Cooper DeWitt & Litton, April 22, 2003: US06550949 (262 worldwide citation)

A vehicle system is disclosed that includes a vehicle lamp assembly including a plurality of LEDs that emit white light so as to function as an illuminator light. The lamp assembly also may include a plurality of LEDs that emit colored light, such as red or red-orange, so as to function as a signal ...


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