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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2020249431A1
Optical Lens Assembly
Publication/Patent Number: US2020249431A1 Publication Date: 2020-08-06 Application Number: 16/740,563 Filing Date: 2020-01-13 Inventor: Ma, Fang-li   Liu, Bin   Chen, Yue-ye   Liu hua tang   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G02B9/62 Abstract: An optical lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, all of which are arranged in order from an object side to an image side along an optical axis. The first lens is a meniscus lens with positive refractive power. The second lens is with positive refractive power. The third lens is with negative refractive power. The fourth lens is with positive refractive power and includes a convex surface facing the image side. The fifth lens is with negative refractive power and includes a concave surface facing the object side. The sixth lens is with positive refractive power and includes a convex surface facing the image side.
2 US2020341349A1
Range Finder
Publication/Patent Number: US2020341349A1 Publication Date: 2020-10-29 Application Number: 16/846,592 Filing Date: 2020-04-13 Inventor: Liu hua tang   Luo, Sheng   Wang, Chin-hsiang   Zhao, Lian   Liu, Bin   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G03B13/20 Abstract: A range finder includes a prism module and a prism adjusting mechanism. The prism module includes a fixing prism group and a movable prism group, wherein the fixing prism group is adjacent to the movable prism group. The prism adjusting mechanism includes a first adjusting group and a second adjusting group, wherein the first adjusting group includes a first adjusting member and a second adjusting member, and the second adjusting group includes a third adjusting member. The first adjusting member or the second adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a first axis, the third adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a second axis, and the first axis is perpendicular to the second axis.
3 US2020182612A1
Range Finder
Publication/Patent Number: US2020182612A1 Publication Date: 2020-06-11 Application Number: 16/684,628 Filing Date: 2019-11-15 Inventor: Lu, Xin-xin   Liu hua tang   Luo, Sheng   Lu, Han   Song, Peng-fei   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G01C3/08 Abstract: A range finder includes an image capturing module, a transceiver module, a switching module, an output device and a processing unit. The image capturing module is configured to receive a first light beam emitted by an object. The transceiver module is configured to emit a second light beam to the object and receive the second light beam reflected by the object for obtaining a distance between the range finder and the object. The switching module is configured to output an electrical signal corresponding to a selected operating mode selected from a plurality of operating modes. The output device is configured to show the selected operating mode corresponding to the electrical signal. The processing unit is connected to the image capturing module, the transceiver module and the output device for receiving the electrical signal and controlling the image capturing module, the transceiver module and the output device.
4 US2020340810A1
Range Finder and Lens Assembly for Display Thereof
Publication/Patent Number: US2020340810A1 Publication Date: 2020-10-29 Application Number: 16/819,296 Filing Date: 2020-03-16 Inventor: Ma, Fang-li   Chen, Yue-ye   Liu, Bin   Che, Jun-wei   Lou, We-jie   Liu hua tang   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G01C3/08 Abstract: A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces; the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces; and the optical multilayer film is disposed between the third and fifth surfaces. A second light beam enters the first prism through the first surface and exits by the second surface. The first light beam exits the lens assembly and enters the second prism through the eighth surface, and exits the first prism by the second surface. The lens assembly and the prism assembly satisfy: 0.80%≤E1/E0≤0.95%; wherein E0 is an energy of the first light beam emitted from the display and E1 is an energy of the first light beam passes through the lens assembly.
5 US10704903B2
Binocular capable of measuring distance and prism and light transmitter module thereof
Publication/Patent Number: US10704903B2 Publication Date: 2020-07-07 Application Number: 15/686,298 Filing Date: 2017-08-25 Inventor: Chen, Yue-ye   Liu hua tang   Gao, Zhi-wei   Luo, Sheng   Chen, Jian-mei   Zhou, Ming   Qiu, Ke-yu   Cao, Jia-jun   Zhao, Lian   Wei, Jian   Feng, Jian-fei   Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.   ASIA OPTICAL CO., INC.   IPC: G01C3/04 Abstract: A prism and light transmitter module includes a prism holder, a light transmitter, a prism module, a drive circuit board, a shield, and a fixing assembly. The light transmitter is configured to emit or receive a light beam along a light axis. The prism module includes an inclined plane and is disposed within the prism holder with the inclined plane exposed. The drive circuit board is disposed above the inclined plane, and intersects with the light axis at a first angle. The shield is disposed on the drive circuit board. The fixing assembly connects to the prism holder, is configured to fix the drive circuit board, and includes a hole through which the light transmitter is exposed. A binocular capable of measuring distance includes a first optical system and a second optical system. The first optical system or/and the second optical system include the prism and light transmitter module.
6 US10520717B2
Binocular capable of measuring distance and prism module thereof
Publication/Patent Number: US10520717B2 Publication Date: 2019-12-31 Application Number: 15/397,964 Filing Date: 2017-01-04 Inventor: Chen, Yue-ye   Liu hua tang   Gao, Zhi-wei   Luo, Sheng   Chen, Jian-mei   Zhou, Ming   Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.   ASIA OPTICAL CO., INC.   IPC: G02B23/10 Abstract: A prism module includes a first prism including a first surface, a second surface and a third surface, a roof prism including a roof surface and a fourth surface, a second prism including a fifth surface, a sixth surface and a seventh surface, and a third prism including a light access surface, a first reflecting surface and a second reflecting surface. A light source is disposed above the second prism and adjacent to the first and the roof prisms. A light beam emitted by the light source enters and is reflected by the third prism, enters the second prism through the seventh surface, passes through the sixth surface, enters the first prism through the third surface, and is reflected by the second surface to leave the prism module. The light beam leaving the prism module is parallel to a baseline passing through the first, the second and the fourth surfaces.
7 US10234283B2
Binoculars rangefinder
Publication/Patent Number: US10234283B2 Publication Date: 2019-03-19 Application Number: 14/967,473 Filing Date: 2015-12-14 Inventor: Chang, Zhang-ming   Liu hua tang   Chen, Yue-ye   Gao, Zhi-wei   Luo, Shang   Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.   ASIA OPTICAL INTERNATIONAL LTD.   IPC: G01C3/04 Abstract: A binoculars rangefinder includes a central shaft, two eyepieces, two objective lenses, two prism modules, an optical transmitter, and an optical receiver. The eyepieces are disposed on two sides of the central shaft, allowing a first light beam reflected by an object to pass therethrough. The objective lenses are disposed on the two sides of the central shaft. The prism modules are disposed between the eyepieces and objective lenses. The optical transmitter is configured to emit a second light beam to the object. The optical receiver is configured to receive the second beam which is reflected by the object.
8 US10520792B2
Range finder
Publication/Patent Number: US10520792B2 Publication Date: 2019-12-31 Application Number: 16/028,648 Filing Date: 2018-07-06 Inventor: Liu hua tang   Chen, Hui-qing   Zhao, Lian   Wang, Chin-hsiang   Ma, Fang-li   Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.   ASIA OPTICAL CO., INC.   IPC: G03B13/20 Abstract: A range finder includes a laser transmitter, a laser receiver, a large-aperture objective lens unit, an image sensing device, a display device and a microphone. The laser transmitter is configured to emit a laser beam to a measured object. The laser receiver is configured to receive a reflected laser beam reflected by the measured object. The objective lens unit is configured to allow visible light reflected by the measured object to pass therethrough, includes an objective lens and a focusing lens and has a length defined by the objective lens and the focusing lens. The image sensing device is configured to receive the visible light passing through the objective lens and generate an image signal. The length is constant when the objective lens unit is moved with respect to the image sensing device for focusing operation.
9 US2018314136A1
RANGE FINDER
Publication/Patent Number: US2018314136A1 Publication Date: 2018-11-01 Application Number: 16/028,648 Filing Date: 2018-07-06 Inventor: Liu hua tang   Chen, Hui-qing   Zhao, Lian   Wang, Chin-hsiang   Ma, Fang-li   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G03B13/20 Abstract: A range finder includes a laser transmitter, a laser receiver, a large-aperture objective lens unit, an image sensing device, a display device and a microphone. The laser transmitter is configured to emit a laser beam to a measured object. The laser receiver is configured to receive a reflected laser beam reflected by the measured object. The objective lens unit is configured to allow visible light reflected by the measured object to pass therethrough, includes an objective lens and a focusing lens and has a length defined by the objective lens and the focusing lens. The image sensing device is configured to receive the visible light passing through the objective lens and generate an image signal. The length is constant when the objective lens unit is moved with respect to the image sensing device for focusing operation.
10 US2018258981A1
Rotating Shaft Mechanism
Publication/Patent Number: US2018258981A1 Publication Date: 2018-09-13 Application Number: 15/822,377 Filing Date: 2017-11-27 Inventor: Luo, Sheng   Zhao, Lian   Liu hua tang   Chen, Yue-ye   Qiu, Ke-yu   Cao, Jia-jun   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: F16C11/04 Abstract: A rotating shaft mechanism includes a first connecting portion, a second connecting portion, a central shaft rotatably connected to the first connecting portion and the second connecting portion, and an adjusting unit disposed on the central shaft. The adjusting unit includes an adjusting ring disposed around the central shaft, a first washer disposed around the central shaft and configured to generate a force to the first connecting portion or the second connecting portion. A position of the adjusting ring with respect to the central shaft is axially adjustable for adjusting the force so that the first connecting portion or the second connecting portion is rotatable or fixed relative to the central shaft.
11 TW201835633A
Rotatable axis structure
Publication/Patent Number: TW201835633A Publication Date: 2018-10-01 Application Number: 106108880 Filing Date: 2017-03-17 Inventor: Luo, Sheng   Cao, Jia-jun   Chen, Yue-ye   Liu hua tang   Zhao, Lian   Qiu, Ke-yu   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G02B23/18 Abstract: A rotatable axis structure includes a first main body, a second main body, a central shaft and an adjusting unit. The first main body includes a first engage portion and the second main body includes a second engage portion. The central shaft is rotatably disposed within the first engage portion and the second engage portion. The adjusting unit disposed on the central shaft includes an adjusting ring and a first washer. The adjusting ring is disposed outside the central shaft. The first washer is disposed outside the central shaft and is configured to apply a force to the first main body or the second main body. The position of the adjusting ring relative to the central shaft is adjusted for adjusting the force. The first main body or the second main body may be rotatable or fixed relative to the central shaft according to the degree of the force.
12 TW201837530A
Ocular structure for observation apparatus
Publication/Patent Number: TW201837530A Publication Date: 2018-10-16 Application Number: 106110720 Filing Date: 2017-03-30 Inventor: Luo, Sheng   Chen, Yue-ye   Liu hua tang   Zhao, Lian   Guan, Yu-rong   Qiu, Ke-yu   Wang, Chiau-jen   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G02B25/00 Abstract: An ocular structure for observation apparatus includes a first member, a second member and a main body. The first member includes a plurality of first limited mechanisms and at least one slot. The second member includes a plurality of second limited mechanisms and at least one fixing element. Both the first member and the second member are mounted on the main body. An ocular lens is disposed within the main body. The fixing element is slidably disposed in the slot body. The first limited mechanisms and the second limited mechanisms are corresponded with each other directly or indirectly. The first member and the second member are configured to rotate and position relative to each other.
13 US2018275393A1
Ocular Structure for Observation Apparatus
Publication/Patent Number: US2018275393A1 Publication Date: 2018-09-27 Application Number: 15/859,833 Filing Date: 2018-01-02 Inventor: Luo, Sheng   Cao, Jia-jun   Liu hua tang   Chen, Yue-ye   Guan, Yu-rong   Qiu, Ke-yu   Wang, Chiau-jen   Zhao, Lian   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G02B25/00 Abstract: An ocular structure for observation apparatus includes a first member, a second member and a main body. The first member includes at least one slot and a plurality of first limiting mechanisms. The second member includes at least one slider extending into the slot and a plurality of second limiting mechanisms. The main body includes an ocular lens unit, wherein the first member and the second member are mounted on the main body. The slider is moved in the slot when the first member and the second member are in relative rotation, and the first limiting mechanisms directly or indirectly match the second limiting mechanisms to position the first member with respect to the second member.
14 TWI595255B
Calibrated system of laser meter
Publication/Patent Number: TWI595255B Publication Date: 2017-08-11 Application Number: 104112648 Filing Date: 2015-04-21 Inventor: Hu, Bo   Chen, Yue-ye   Liu hua tang   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G01S7/497 Abstract: A calibrated system of a laser meter comprises a base
15 TW201706565A
Self-propelled device and environment distance detector thereof
Publication/Patent Number: TW201706565A Publication Date: 2017-02-16 Application Number: 104125546 Filing Date: 2015-08-06 Inventor: Liu hua tang   Lin, Hsien Chi   Wang, Ching Shiang   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G01C3/08 Abstract: An environment distance detector includes a main body
16 TWI571614B
Self-propelled device and environment distance detector thereof
Publication/Patent Number: TWI571614B Publication Date: 2017-02-21 Application Number: 104125546 Filing Date: 2015-08-06 Inventor: Liu hua tang   Lin, Hsien Chi   Wang, Ching Shiang   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G01C3/08 Abstract: An environment distance detector includes a main body
17 US9746589B2
Range finder and prism assembly thereof
Publication/Patent Number: US9746589B2 Publication Date: 2017-08-29 Application Number: 14/459,377 Filing Date: 2014-08-14 Inventor: Liu hua tang   Wang, Ching-shiang   Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.   ASIA OPTICAL INTERNATIONAL LTD.   IPC: G02B5/04 Abstract: A prism assembly includes a first prism, a second prism, a roof prism and an optical multilayer film. The first prism includes a first, a second and a third surface. The second prism includes a fourth, a fifth and a sixth surface. The fifth surface faces the third surface. The roof prism includes a seventh, an eighth and a ridge surface. The seventh surface faces the second surface. The optical multilayer film is disposed between the fifth surface and the third surface. A first light beam and a second light beam entering the first prism are totally reflected from the second surface to the optical multilayer film which reflects the first light beam but allows the second light beam to pass through. The second light beam enters the second prism, is totally reflected on the sixth surface, and exits from the fourth surface of the second prism.
18 US2017038203A1
SELF-PROPELLED DEVICE AND DISTANCE DETECTOR THEREOF
Publication/Patent Number: US2017038203A1 Publication Date: 2017-02-09 Application Number: 15/201,644 Filing Date: 2016-07-05 Inventor: Liu hua tang   Wang, Chin-hsiang   Lin, Hsien-chi   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical International Ltd.   IPC: G01C3/08 Abstract: A distance detector includes a main body, a laser emitting module, an image capturing module, an angle detecting mechanism, and a processing-control unit. The main body is configured to rotate about an axis. The laser emitting module is disposed on the main body and configured to emit a laser beam to a measured object, thereby forming a laser speckle thereon. The image capturing module is disposed on the main body and configured to capture an image of the measured object, which contains the laser speckle. The angle detecting mechanism is configured to detect an angular displacement of the main body from a starting position and generate angle data. The processing-control unit is configured to receive the image containing the laser speckle and the angle data to control rotation of the main body. A distance between the main body and the measured object is determined by using a triangulation method.
19 TW201734508A
Binocular capable of measuring distance and prism module thereof
Publication/Patent Number: TW201734508A Publication Date: 2017-10-01 Application Number: 105109813 Filing Date: 2016-03-29 Inventor: Zhou, Ming   Luo, Sheng   Chen, Yue-ye   Liu hua tang   Chen, Jian-mei   Gao, Zhi-wei   Assignee: Asia Optical Co., Inc.   SINTAI OPTICAL (SHENZHEN) CO., LTD.   IPC: G01S7/481 Abstract: A prism module includes a first prism
20 US2017276927A1
Binocular Capable of Measuring Distance and Prism Module Thereof
Publication/Patent Number: US2017276927A1 Publication Date: 2017-09-28 Application Number: 15/397,964 Filing Date: 2017-01-04 Inventor: Chen, Yue-ye   Liu hua tang   Gao, Zhi-wei   Luo, Sheng   Chen, Jian-mei   Zhou, Ming   Assignee: Sintai Optical (Shenzhen) Co., Ltd.   Asia Optical Co., Inc.   IPC: G02B23/10 Abstract: A prism module includes a first prism including a first surface, a second surface and a third surface, a roof prism including a roof surface and a fourth surface, a second prism including a fifth surface, a sixth surface and a seventh surface, and a third prism including a light access surface, a first reflecting surface and a second reflecting surface. A light source is disposed above the second prism and adjacent to the first and the roof prisms. A light beam emitted by the light source enters and is reflected by the third prism, enters the second prism through the seventh surface, passes through the sixth surface, enters the first prism through the third surface, and is reflected by the second surface to leave the prism module. The light beam leaving the prism module is parallel to a baseline passing through the first, the second and the fourth surfaces.