Invention Grant
US08681137B2 Ambient light sensor configured to determine the direction of a beam of ambient light incident thereon
有权
环境光传感器被配置为确定入射在其上的环境光束的方向
- Patent Title: Ambient light sensor configured to determine the direction of a beam of ambient light incident thereon
- Patent Title (中): 环境光传感器被配置为确定入射在其上的环境光束的方向
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Application No.: US13108985Application Date: 2011-05-17
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Publication No.: US08681137B2Publication Date: 2014-03-25
- Inventor: Chee Heng Wong , Yu Feng Yao , Sze Ping Ong
- Applicant: Chee Heng Wong , Yu Feng Yao , Sze Ping Ong
- Applicant Address: SG Singapore
- Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
- Current Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
- Current Assignee Address: SG Singapore
- Main IPC: G06F3/038
- IPC: G06F3/038

Abstract:
Various embodiments of an ambient light sensor configured to determine the direction of a beam of light incident thereon are disclosed. In one embodiment, an ambient light sensor is provided that comprises a plurality of light detectors arranged in a spatial array upon a light sensing surface. Each of the light detectors in the array is configured to generate an analog output voltage in response to the beam of ambient light falling thereon. The amount of light incident on the individual light detectors in the spatial array varies according to the position of each such sensor with respect to direction of the beam of ambient light. An analog-to-digital converter (ADC) is operably coupled to the plurality of light detectors and is configured to receive the analog output signals generated thereby as inputs thereto, and to provide digital output values representative of the analog signals. Control logic circuitry is operably coupled to the ADC and configured to receive the digital output values therefrom, and is further configured to process such digital output values to determine the direction of the beam of light incident upon the spatial array.
Public/Granted literature
- US20120293472A1 Ambient Light Sensor Configured to Determine the Direction of a Beam of Ambient Light Incident Thereon Public/Granted day:2012-11-22
Information query
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