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公开(公告)号：US11605240B1
公开(公告)日：2023-03-14
申请号：US17529290
申请日：2021-11-18
Applicant: CMOS Sensor, Inc.
Inventor： Hui Wei , Weng Lyang Wang
Abstract: Designs of a sensor module with fewer number of pins are described. According to one aspect of the designs, a sensor module operates on a predefined number of clocks in a clock signal in contrast of rising or falling edges of clocks or pulses thereof commonly relied upon in a prior art sensor module, thus reducing considerably the requirements on the clock signals needed to support the sensor module. More importantly, the pins of the sensor module are far fewer than those in a prior art system. Subsequently, the complexity of supporting circuits for the sensor module in the sensor module of the present invention can be simplified.
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Patent Agency Ranking
公开(公告)号：US11960008B2
公开(公告)日：2024-04-16
申请号：US16950915
申请日：2020-11-18
Applicant: CMOS Sensor, Inc.
Inventor： Weng Lyang Wang , Hui Wei
IPC: G01S17/894 , G01S17/10 , H04N13/257 , H04N25/75
CPC classification number: G01S17/894 , G01S17/10 , H04N13/257 , H04N25/75
Abstract: Techniques of designing a sensing system for pseudo 3D mapping in robotic applications are described. According to one aspect of the present invention, an image system is designed to include at least two linear sensors, where these two linear sensors are positioned or disposed orthogonally. In one embodiment, the two linear sensors are a horizontal sensor and a vertical sensor. The horizontal sensor is used for the lidar application while the vertical sensor is provided to take videos, namely scanning the environment wherever the horizontal sensor misses. As a result, the videos can be analyzed to detect anything below or above a blind height in conjunction with the detected distance by the lidar.
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公开(公告)号：US10557993B1
公开(公告)日：2020-02-11
申请号：US16118117
申请日：2018-08-30
Applicant: CMOS Sensor, Inc.
Inventor： Weng Lyang Wang , Jason Wu , Sun-Teck See
Abstract: A focusing mechanism or module is designed to reduce the size of an optical lens-based focusing system that would be otherwise used in a portable device. According to one aspect of the present invention, the focusing mechanism includes a light guide with first and second sides. The light guide includes a plurality of light passages slanted inwardly formed evenly from the first side towards a center of the second side, wherein the light guide, disposed on top of the image sensor, collects a reflected light from a human body part and focuses the reflected light onto the image sensor, each of photosensors generates an proportional charge from the reflected light.
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公开(公告)号：US11425321B1
公开(公告)日：2022-08-23
申请号：US17529292
申请日：2021-11-18
Applicant: CMOS Sensor, Inc.
Inventor： Weng Lyang Wang , Hui Wei
Abstract: Designs of an anti-blooming sensing element or simply sensor are described. According to one aspect of the designs, each sensing element includes a photosensor, a pair of first and second circuits, a store device and a readout circuit. The first and second circuits, sandwiching the photosensor from a circuit perspective, are mirrored and balanced in impedance. The first circuit provides an inherent mechanism to discharge excessive charge accumulated on the photosensor before a predefined exposure time ends. Each of the two circuits includes two transistors.
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公开(公告)号：US20210072396A1
公开(公告)日：2021-03-11
申请号：US16950915
申请日：2020-11-18
Applicant: CMOS Sensor, Inc.
Inventor： Weng Lyang Wang , Hui Wei
IPC: G01S17/894 , G01S17/10 , H04N13/257 , H04N5/378
Abstract: Techniques of designing a sensing system for pseudo 3D mapping in robotic applications are described. According to one aspect of the present invention, an image system is designed to include at least two linear sensors, where these two linear sensors are positioned or disposed orthogonally. In one embodiment, the two linear sensors are a horizontal sensor and a vertical sensor. The horizontal sensor is used for the lidar application while the vertical sensor is provided to take videos, namely scanning the environment wherever the horizontal sensor misses. As a result, the videos can be analyzed to detect anything below or above a blind height in conjunction with the detected distance by the lidar.
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公开(公告)号：US20200073055A1
公开(公告)日：2020-03-05
申请号：US16118117
申请日：2018-08-30
Applicant: CMOS Sensor, Inc.
Inventor： Weng Lyang Wang , Jason Wu , Sun-Teck See
Abstract: A focusing mechanism or module is designed to reduce the size of an optical lens-based focusing system that would be otherwise used in a portable device. According to one aspect of the present invention, the focusing mechanism includes a light guide with first and second sides. The light guide includes a plurality of light passages slanted inwardly formed evenly from the first side towards a center of the second side, wherein the light guide, disposed on top of the image sensor, collects a reflected light from a human body part and focuses the reflected light onto the image sensor, each of photosensors generates an proportional charge from the reflected light.
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