Patents Assigned to Concraft Holding Co., Ltd.
-
Patent number: 11277693Abstract: The present invention discloses a micro speaker unit with a waterproof effect, including an outer casing which is provided with an accommodation space and a sound hole, and a micro speaker which is installed in the accommodation space. The micro speaker is assembled from a vibrating diaphragm assembly and a magnetic assembly which is inter-assembled with the vibrating diaphragm assembly. The vibrating diaphragm assembly separates the accommodation space into a front chamber and a rear chamber which are not interconnected; whereas, the front chamber is connected with the sound hole. Therefore, water vapor outside the micro speaker unit can be prevented from entering into the rear chamber and the micro speaker by the vibrating diaphragm assembly, thereby improving the waterproof effect of the entire micro speaker unit.Type: GrantFiled: January 12, 2021Date of Patent: March 15, 2022Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Si-Si He, Jie-Ru Chen
-
Patent number: 11197101Abstract: A micro speaker capable of preventing voice coil rubbing, including an outer casing provided with a holding space, a diaphragm installed within the holding space, a magnet provided with an axis, a voice coil encircling the exterior of the magnet and connected to a diaphragm, and an elastic connecting member connected between the voice coil and the magnet. The diaphragm is disposed on the first end, and the magnet is disposed on the second end of the holding space so as to be separated from the diaphragm. The elastic connecting member is used to maintain a clearance between the voice coil and the magnet. After a signal voltage is fed into the voice coil, the diaphragm extends along the axis causing amplitudes of vibration, and the elastic connecting member reduces amplitudes of deflection produced along the axis, thereby preventing rubbing between the voice coil and the magnet from occurring.Type: GrantFiled: August 12, 2020Date of Patent: December 7, 2021Assignee: CONCRAFT HOLDING CO., LTD.Inventor: Kuo-Chi Lee
-
Patent number: 11178766Abstract: An inner module with a retainer is installed primarily inside a wireless earphone, including a circuit loop, an insulation seat to fix the circuit loop, and at least a retainer. The circuit loop includes at least a first circuit board, and at least a second circuit board which is extended from the first circuit board. The insulation seat includes at least a base plate to enclose the first circuit board, and a first side wall which is extended from the base plate. The first side wall is provided with a first positioning slot to accommodate the second circuit board. The retainer is fixed on the first side wall to fix the second circuit board in the first positioning slot. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone.Type: GrantFiled: March 27, 2019Date of Patent: November 16, 2021Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Jin-Bo Peng, Chang-Hsien Tung
-
Patent number: 11057708Abstract: A diaphragm for a micro loudspeaker includes an outer casing that is provided with a through-hole, a membrane that is disposed in the through-hole, and a suspension that connects the membrane and the outer casing. The outer casing is provided with an inner wall that wraps into the through-hole. The suspension includes an effective operation zone that is extended from the inner wall into the through-hole, and a fixed area that is extended from the inner wall to outside the through-hole. The fixed area of the suspension is provided with a cut-off area, which keeps the effective operation zone at a good intactness, and enables the membrane to vibrate up and down more uniformly, thereby improving the sound quality of micro loudspeaker.Type: GrantFiled: December 31, 2019Date of Patent: July 6, 2021Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Lei Cheng, Yankui Zhuang, Tzu-Ching Tsai
-
Patent number: 10999669Abstract: A combinatorial inner module is installed primarily inside a wireless earphone, including a circuit loop, a lower cover and an upper cover. The circuit loop is provided with a first circuit board and a second circuit board which is extended from the first circuit board. The upper cover is disposed above the lower cover to fix the first circuit board between the upper cover and the lower cover. Moreover, the upper cover includes a first side wall which is formed with an angle with respect to the lower cover and is used to install the second circuit board, forming an included angle between the second circuit board and the first circuit board. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone, which reduces the labor cost in assembling the wireless earphone significantly.Type: GrantFiled: April 11, 2019Date of Patent: May 4, 2021Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Jin-Bo Peng, Chang-Hsien Tung
-
Patent number: 10945064Abstract: An inner module used in a wireless earphone is installed primarily in a wireless earphone, including a circuit loop and an upper cover. The circuit loop includes at least a first circuit board, at least a second circuit board which is extended from the first circuit board, and a lower cover which encloses the first circuit board. The upper cover is installed on the lower cover, including a first side wall which forms an angle with respect to the lower cover. In addition, the first side wall is provided with a first positioning slot to accommodate the second circuit board. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone, which reduces the labor cost in assembling the wireless earphone significantly.Type: GrantFiled: March 27, 2019Date of Patent: March 9, 2021Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Jin-Bo Peng, Chang-Hsien Tung
-
Patent number: 10840685Abstract: A cable-holding device with sealing assembly includes a body having a main unit, a first connecting portion and a second connecting portion, a sealing assembly on the body, and an adjustment element on the second connecting portion. The body has a connecting hole, and the second connecting portion is extended with plural clamping arms. The sealing assembly includes a first sealing portion outside the first connecting portion, a second sealing portion inside the clamping arms to form a tightening port, and a connecting portion between the first sealing portion and the second sealing portion. On the second connecting portion, the adjustment element includes a first movement state which forms a tightening state on the tightening port, and a second movement state which changes the tightening port from the tightening state into a non-tightening state gradually.Type: GrantFiled: October 23, 2018Date of Patent: November 17, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Heng Yang, Zheng-Xiang Wang
-
Patent number: 10841676Abstract: An inner module assembly formed by a metal tape is installed primarily inside a wireless earphone. The inner module assembly includes a circuit loop having a first circuit board and a second circuit board, with the circuit loop being formed with plural junctions; a first metal tape which fixes the second circuit board and includes a first extension section extending to the outside of the second circuit board and having a first cut-off face; and an insulation seat which is formed on the first circuit board to enclose the circuit loop and the first metal tape, with part of the junctions and the first cut-off face being exposed on a surface of the insulation seat. Therefore, the inner module assembly is formed into a modularized design to simplify the assembly procedure of the wireless earphone.Type: GrantFiled: March 27, 2019Date of Patent: November 17, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Jin-Bo Peng, Chang-Hsien Tung
-
Patent number: 10788607Abstract: The present invention discloses a Fresnel lens with a light receiving effect, including a converging surface and an incidence surface opposite to the converging surface. The incidence surface is provided with an optically effective refractive region and an optically reflective region annularly surrounding the optically effective refractive region. The optically reflective region is provided at least with a prism annularly disposed outside the optically effective refractive region. The prism is provided with a refraction surface which is in adjacent to the optically effective refractive region and a reflection surface which is disposed at a first angle relative to the refraction surface. In addition, a tail end of the prism is an inverted hook part. Therefore, the effective working area of the refraction surface and the reflection surface can be increased, thereby improving the light receiving effect of the Fresnel lens.Type: GrantFiled: August 2, 2018Date of Patent: September 29, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Tzu-Ching Tsai, Jie-Ru Chen
-
Patent number: 10732406Abstract: A lens structure formed by materials in different refractive indexes includes a sphere which is a round ball formed by a first portion and a second portion, a first lens which is formed on the first portion, a separation layer which is disposed between the sphere and the first lens, a second lens which is formed on the second portion, and a third lens which is formed on the second lens and opposite to the sphere. The first lens, the second lens and the third lens are formed respectively by a material in different refractive index and are provided respectively with a light absorption curve in different curvature, so that a light beam can pass through these light absorption curves to form plural times of light condensing effect.Type: GrantFiled: August 2, 2018Date of Patent: August 4, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Feng-Cheng Chung, Jie-Ru Chen
-
Patent number: 10725213Abstract: A lens structure formed by materials in different refractive indexes includes a transparent sphere in a first refractive index as well as a transparent second lens in a second refractive index. The first refractive index is different from the second refractive index, and the sphere is a round ball formed by a first portion and a second portion which are equipped with a first light condensing effect. The first lens is formed on the first portion of the sphere, the second portion of the sphere is exposed out of the first lens, and the first lens is provided with a first light absorption curve opposite to the first portion of the sphere, so that a light beam can pass through the second portion of the sphere to form the first light condensing effect, and then pass through the first light absorption curve to form a second light condensing effect.Type: GrantFiled: August 2, 2018Date of Patent: July 28, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Feng-Cheng Chung, Jie-Ru Chen
-
Patent number: 10712477Abstract: A lens structure formed by materials in different refractive indexes includes a sphere, a first lens and a separation layer which is disposed between the sphere and the first lens. The sphere and the first lens have a different refractive index and the sphere is a round ball. The first lens is formed on the sphere that part of the sphere is exposed out of the first lens, and the first lens includes a first light absorption curve. The separation layer includes a transparent section opposite to the first light absorption curve. When a light beam passes through the second portion of the sphere to form a first light condensing effect and enter the sphere, the light beam will then pass through the transparent section to enter the first lens, forming a second light condensing effect after passing through the first light absorption curve.Type: GrantFiled: August 2, 2018Date of Patent: July 14, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Chin-Hsing Lee, Feng-Cheng Chung, Jie-Ru Chen
-
Patent number: 10705264Abstract: A varifocal lens module, consisting of a casing provided with a holding chamber, an opening end, an interconnecting hole, a soft lens disposed on the casing to seal the holding chamber, and a medium control device connects to the interconnecting hole. The soft lens is provided with a first curved surface having a first curvature exposed external of the casing and a second curved surface having a second curvature positioned interior of the holding chamber corresponding to the first curved surface. The medium control device is connected to the interconnecting hole for controlling the volume of the medium inside the holding chamber, whereby the change in volume of the medium changes the compression on the second curved surface, thereby modifying the second curvature of the second curved surface, producing a variation in the spacing between the second curved surface and the first curved surface to achieve a varifocal effect.Type: GrantFiled: August 2, 2018Date of Patent: July 7, 2020Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Tzu-Ching Tsai, Jie-Ru Chen
-
Patent number: 10642440Abstract: A touch button with better feel in pressing is disposed on a casing, including a touch board having a touch area and a press area, a fixing element disposed on a side of the touch board to form a difference in height from the touch board, an elastic connector for connecting the touch board with the fixing element and forming a state of elastic vertical displacement between the press area and the casing, and plural elastic supporters forming an elastic supporting force to the press area, thereby enabling the press area to manifest the state of elastic vertical displacement on the casing by the elastic supporting force.Type: GrantFiled: July 10, 2018Date of Patent: May 5, 2020Assignee: CONCRAFT HOLDING CO., LTDInventors: Chang-Hsien Tung, Zheng-Xiang Wang
-
Patent number: 9919417Abstract: A direction-adjustable jig is capable of translating an artifact between two mutually perpendicular planes in a three-dimensional space. The jig includes a base, a sliding member, and a hinge member. The base has a pair of side walls each having a first guiding portion. The first guiding portion has a lower guiding portion and an upper guiding portion in communication with each other. The lower guiding portion and the upper guiding portion are formed at different height vertically. The sliding member is disposed reciprocatingly on the base and in between the side walls. The hinge member is pivotally connected to the sliding member and has a pair of second guiding portions for engaging the first guiding portions. The reciprocating motion of the sliding member allows the hinge member to rotate above the base and change its direction.Type: GrantFiled: May 22, 2015Date of Patent: March 20, 2018Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Shih-Chia Lai, Chin-Hsing Lee, Tong Su, Jie Wu
-
Patent number: 9915776Abstract: A light guide mechanism of a fingerprint recognition plate includes a frame, a light guide plate, first electrodes, second electrodes and light emitting diodes. The frame has a hollow portion and receiving troughs. Each of the receiving troughs forms a first through hole and a second through hole penetrating the frame. The light guide plate covers the hollow portion. The first electrodes are in the first through holes, and the second electrodes are in the second through holes. Each of the light emitting diodes is in the receiving trough and includes a first electrode pin and a second electrode pin. The first electrode pin pierces the first through hole to be connected to the first electrode. The second electrode pin pierces through the second through hole to be connected to the second electrode. The first electrode pin and second electrode pin are exposed from the bottom of the frame.Type: GrantFiled: September 4, 2015Date of Patent: March 13, 2018Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Shih-Chia Lai, Yong-Hong Jiang
-
Publication number: 20180066974Abstract: A structural improvement of a liquid level sensor includes a pair of terminals, a body, and a reed switch. Each of the terminals has a clamping end, a guiding and connecting end, an extending portion, and a welding end. The body covers outer sides of extending portions. The pair of terminals are disposed at an interval inside the body. The body has a notch and a counterbore. The reed switch is clamped on the clamping ends and located at the notch. The clamping ends are respectively disposed on two sides of the notch and protrude from the body. The welding ends are exposed in the counterbore. The guiding and connecting ends extend outward from a side of the body. In this way, positioning of a reed switch is more accurate, production efficiency can be improved, and manufacturing and assembly costs can be lowered.Type: ApplicationFiled: September 2, 2016Publication date: March 8, 2018Applicant: CONCRAFT HOLDING CO., LTD.Inventor: Min-Fang WU
-
Patent number: 9846274Abstract: A frame utilized in a fingerprint recognition plate, a manufacturing method thereof, and a light guide mechanism with the frame including the frame with a hollow portion, light emitting diodes, and a light guide plate. The manufacturing method includes: forming a frame containing mixed materials having plastic materials and metallic materials in a manner of injection molding, forming patterns on the frame in a manner of laser engraving, and forming electric conductive portions in the patterns of the frame in a manner of electroplating or electroless plating. The frame is formed with electric conductive circuit. The light emitting diodes are mounted on the electric conductive portions of the frame by surface mount technology (SMT) process. Light rays emitted by the light emitting diodes can be transmitted in the light guide plate. When the frame is formed via the laser engraving process combining with electroplating process, the frame can be minimized.Type: GrantFiled: July 24, 2015Date of Patent: December 19, 2017Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Shih-Chia Lai, Yong-Hong Jiang
-
Patent number: 9773152Abstract: A light guiding structure for fingerprint recognizing sheet is adapted between a circuit board and a protecting sheet for encompassing an image capture device. The light guiding structure includes a frame, side-emitting LEDs, and a light guiding sheet. The middle portion of the frame is defined as a hollowed portion. Conductive pairs are located on the frame and extended out of the frame to form a first contact and a second contact. The side-emitting LEDs are assembled to the frame and electrically connected to the conductive pairs. The light guiding sheet covers on the hollowed portion. The side-emitting LEDs are assembled around the periphery of the light guiding sheet. The light guiding structure can be directly assembled on the circuit board and encompass the image capture device, and therefore an electronic device can be provided with a fingerprint recognizing sheet having the light guiding structure.Type: GrantFiled: July 24, 2015Date of Patent: September 26, 2017Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Shih-Chia Lai, Yong-Hong Jiang
-
Patent number: 9682501Abstract: The instant disclosure relates to a manufacturing method of a sound playing assembly for micro-sized speaker. The method includes the following steps: providing a carrier having a strip-shaped grill member; cutting the carrier after it has been transferred into a cutting unit to obtain a trimmed grill member; transferring the trimmed grill member onto a machine plate; and performing injection molding with molten plastic after the trimmed grill member is transferred from the machine plate into a mold by a material handling equipment, in order to form a seat body having a speaker basket surrounding the trimmed grill member, with the speaker basket partially embedded in the grid structure of the trimmed grill member. The trimmed grill member and the seat body are thus formed integrally in providing a sound playing assembly. The assembly can help to improve production yield rate and be mass-produced in an automated process.Type: GrantFiled: May 22, 2015Date of Patent: June 20, 2017Assignee: CONCRAFT HOLDING CO., LTD.Inventors: Shih-Chia Lai, Chin-Hsing Lee, Tong Su, Jie Wu