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1
US2021013766A1
MOTOR SLEEVE AND MOTOR DEVICE
Publication/Patent Number: US2021013766A1 Publication Date: 2021-01-14 Application Number: 17/039,176 Filing Date: 2020-09-30 Inventor: Chou, Chen-shi   Li, Zong-lin   Assignee: Chicony power technology co ltd   IPC: H02K5/18 Abstract: A motor sleeve is applied to a motor housing and a motor driver housing. The motor sleeve includes a sleeve base, a second fixing structure, a second coupling structure, a plurality of base fins, a sleeve chassis, a plurality of chassis fins, and a third fixing structure. The second fixing structure is disposed on an inner surface of the sleeve base and correspondingly fixed to a first fixing structure of the motor housing. The sleeve base is installed on a lateral portion of the motor housing. The base fins are separately disposed on an outer surface of the sleeve base and corresponding to a first coupling structure of the motor driver housing. The motor driver housing is coupled to the sleeve base by the first and second coupling structures. The third fixing structure is correspondingly fixed to a fourth fixing structure of the motor housing.
2
US10948651B1
Keyboard backlight module and manufacturing method thereof
Publication/Patent Number: US10948651B1 Publication Date: 2021-03-16 Application Number: 16/675,833 Filing Date: 2019-11-06 Inventor: Ho, Hsuan-wei   Chang, Yi-cheng   Assignee: Chicony power technology co ltd   IPC: H01H13/83 Abstract: A keyboard backlight module includes a light-guiding sheet, a circuit board, a light-emitting element, a reflective sheet and a release film. The circuit board is located on a surface of the light-guiding sheet, and the reflective sheet is located on another surface of the light-guiding sheet opposite to the circuit board. The light-emitting element is located between the circuit board and the light-guiding sheet, and disposed on the circuit board. The light-emitting element emits light into the light-guiding sheet. The release film is located on the light-guiding sheet and the circuit board, and transfers a glue layer on the surface of the light-guiding sheet. The light-guiding sheet includes a plurality of illuminated patterns, and the keyboard backlight module adjusts the illumination uniformity of the light through the reflective sheet, the glue layer and the plurality of illuminated patterns.
3
US2021009030A1
ILLUMINATED VEHICULAR EMBLEM
Publication/Patent Number: US2021009030A1 Publication Date: 2021-01-14 Application Number: 16/712,335 Filing Date: 2019-12-12 Inventor: Ho, Hsuan-wei   Assignee: Chicony power technology co ltd   IPC: B60Q1/26 Abstract: An illuminated vehicular emblem for a means of transportation includes a housing unit, a lighting unit and a light dimming unit. The housing unit includes a bottom case, a top case disposed on the bottom case, and an emblem member disposed above the top case. A receiving space is defined between the top and bottom cases to receive the lighting unit. The lighting unit includes a light guide plate, light emitting components and a first light shielding film disposed on the light guide plate, The light emitting components are disposed at the light guide plate such that the light guide plate receives light emitted from the light emitting components. The light dimming unit changes the direction of propagation of the light and includes a first dot portion distributed on the light guide plate and along a projection of an outline of the emblem member.
4
US10888008B1
Insulation cover fixing structure and protection device
Publication/Patent Number: US10888008B1 Publication Date: 2021-01-05 Application Number: 16/827,676 Filing Date: 2020-03-23 Inventor: Lee, Po-sheng   Assignee: Chicony power technology co ltd   IPC: H05K9/00 Abstract: An insulation cover fixing structure and a protection device include a first insulation, a first metal shielding cover and an engaging unit. The first insulation cover includes a first bottom plate and a first side plate. The first metal shielding cover is disposed at an outer side of the first insulation cover. The first metal shielding cover includes a second bottom plate and a second side plate. The engaging unit is disposed on at least one of the first insulation cover and the first metal shielding cover. The first metal shielding cover and the first insulation cover are fixed by the engaging unit. The engaging unit includes a first tongue extended with bend from one of the first side plate and the second side plate toward the other and a second tongue extended from the first tongue. The second tongue is pressed against the other of the first side plate and the second side plate.
5
US10908194B1
Load identification system
Publication/Patent Number: US10908194B1 Publication Date: 2021-02-02 Application Number: 16/842,715 Filing Date: 2020-04-07 Inventor: Chiang, Chih-hsien   Shih, Hung-ta   Assignee: Chicony power technology co ltd   IPC: G01R19/25 Abstract: A load identification system includes an AC-power input unit, a load, a zero-crossing detector, a microcontroller, a first and a second current phase detectors. The zero-crossing detector is configured to output a zero-voltage pulse signal when a zero-crossing signal of the AC-power input unit is detected. The first current phase detector detects a current flowing through the load to output a first voltage signal. When the current flows along a first direction, the first voltage signal is at a high level. The second current phase detector is configured to detect the current flowing through the load to output a second voltage signal. When the current flows along a second direction, the second voltage signal is at a high level. The microcontroller is configured to receive and identify the type of the load according to the zero-voltage pulse signal, the first and the second voltage signals.
6
US2021027398A1
EXPANDABLE COMBINATION ELECTRIC METER
Publication/Patent Number: US2021027398A1 Publication Date: 2021-01-28 Application Number: 16/566,601 Filing Date: 2019-09-10 Inventor: Tseng, Wen-ning   Assignee: Chicony power technology co ltd   IPC: G06Q50/06 Abstract: An expandable combination electric meter comprises a first electric meter and a second electric meter. The first electric meter includes a processing unit, a first electricity measuring unit, a power supply unit and an expansion connecting unit. The processing unit is coupled with the first electricity measuring unit, the power supply unit and the expansion connecting unit. The power supply unit outputs a working power to the processing unit, the first electricity measuring unit, and the expansion connecting unit. The second electric meter is connected with the first electric meter through the expansion connection unit. The working power is transmitted to the second electric meter through the expansion connection unit for enabling the second electric meter.
7
US2021082642A1
ILLUMINATED KEYBOARD AND BACKLIGHT MODULE THEREOF
Publication/Patent Number: US2021082642A1 Publication Date: 2021-03-18 Application Number: 16/792,008 Filing Date: 2020-02-14 Inventor: Ho, Hsuan-wei   Assignee: Chicony power technology co ltd   IPC: H01H13/83 Abstract: A backlight module is adapted to an illuminated keyboard. The backlight module includes a light source assembly and a light guide film. The light guide film has a top surface, a bottom surface, a through hole, a light-incident pattern and a light-exit pattern. The light source assembly includes a light-emitting component configured to emit light toward the through hole. A size of the through hole is smaller than a size of the light-emitting component. The light-incident pattern is located on at least one of the top surface and the bottom surface. The light-exit pattern is located on the bottom surface. A distance from the through hole to the light-exit pattern is greater than a distance from the through hole to the light-incident pattern.
8
US2021099058A1
WIRE BONDING DEVICE OF STATOR OF MOTOR
Publication/Patent Number: US2021099058A1 Publication Date: 2021-04-01 Application Number: 16/716,527 Filing Date: 2019-12-17 Inventor: Liao, Chien-chuan   Huang, Yu-hsing   Assignee: Chicony power technology co ltd   IPC: H02K15/00 Abstract: A wire bonding device of a stator of a motor includes insulating rings, an insulating cover, and conductors. Each insulating ring has first and second fixing structures disposed thereon. The insulating rings are stacked layer by layer with the first fixing structures corresponding to the second fixing structures. The insulating cover covers an uppermost one of the insulating rings. Each conductor includes an embedded segment, two bending segments, two protruding segments, and two wire-bonding segments. The embedded segment is accommodated in a corresponding insulating ring and has a flat strip shape. The bending segments are integrally extended from two ends of the embedded segment respectively and bended relative to the embedded segment. The protruding segments are integrally extended from the bending segments and protrude out of the corresponding insulating ring. The wire-bonding segments are integrally extended from the protruding segments and located outside the insulating ring.
9
US2021050780A1
POWER SUPPLY APPARATUS AND CONTROL METHOD THEREOF
Publication/Patent Number: US2021050780A1 Publication Date: 2021-02-18 Application Number: 16/663,315 Filing Date: 2019-10-24 Inventor: Chiu, Jung-ching   Liu, Chien-lung   Kuo, You-chen   Assignee: Chicony power technology co ltd   IPC: H02M3/156 Abstract: A power supply apparatus and a control method thereof are provided. Power conversion is performed according to a switching signal group to provide an output voltage and an output current. An error value between the output voltage and a reference voltage is multiplied by a proportional parameter to obtain a proportional result. The error value is multiplied by an integration parameter to obtain a first calculation value which is then accumulated over time to obtain an integration result. When a slope of the output current is greater than a reference slope and a slope of the output voltage is negative, the slope of the output voltage is multiplied by a differential parameter to obtain a second calculation value which is then added to the integration result over time. A duty cycle of the switching signal group is adjusted according to the sum of the proportional result and the integration result.
10
US2021072292A1
INRUSH CURRENT TEST DEVICE
Publication/Patent Number: US2021072292A1 Publication Date: 2021-03-11 Application Number: 16/690,463 Filing Date: 2019-11-21 Inventor: Hsiao, Jen-hao   Assignee: Chicony power technology co ltd   IPC: G01R19/165 Abstract: An inrush current test device is adapted to receive an alternating current. The inrush current test device includes: a first isolation coupling component, a positive crossing point pulse generation circuit, an output circuit, and a control circuit. The first isolation coupling component includes a primary side and a secondary side, and is responsive to the alternating current on the primary side and conducts the secondary side. When the secondary side transits from an off state to an on state, the positive crossing point pulse generation circuit generates a positive crossing point pulse. When the control circuit is actuated and the positive crossing point pulse is detected, after delaying for a delay time, the control circuit outputs a control pulse for actuating the output circuit for a first operating time. The output circuit is configured to receive the alternating current and output the alternating current when the output circuit is actuated.
11
US2021063632A1
MULTILAYER OPTO-ELECTRONIC MODULE
Publication/Patent Number: US2021063632A1 Publication Date: 2021-03-04 Application Number: 16/948,044 Filing Date: 2020-08-28 Inventor: Ho, Hsuan-wei   Lee, Yueh-heng   Assignee: Chicony power technology co ltd   IPC: F21V8/00 Abstract: A multilayer opto-electronic module includes a circuit board, a first light-emitting assembly, a second light-emitting assembly and a contact sheet. The first light-emitting assembly includes a first light guide sheet, a first light-shielding structure, and a first light-emitting element assembly. The second light-emitting assembly includes a second light guide sheet, a second light-shielding structure, and a second light-emitting element assembly. The second light-shielding structure has a second opening. The second opening corresponds to a first micro structure and a second micro structure. The contact sheet is above the second light-shielding structure. The contact sheet has a top transparent area. The top transparent area corresponds to the second opening.
12
US10951123B2
Power conversion system
Publication/Patent Number: US10951123B2 Publication Date: 2021-03-16 Application Number: 15/706,785 Filing Date: 2017-09-18 Inventor: Hsiao, Yung-hung   Yen, Chia-hsien   Yin, Lieh-chung   Hsiao, Cheng-chang   Hsu, Hao-te   Assignee: Chicony power technology co ltd   IPC: H02M3/335 Abstract: A power conversion system is provided. The system includes a switch module, a resonant module, a magnetic conversion module, a bobbin and an iron core. The magnetic conversion module includes a primary winding and a PCB winding module. The PCB winding module includes a printed circuit board, a conductive layer disposed on at least one surface of the printed circuit board, and a switch unit disposed on the printed circuit board.
13
US2021064156A1
OPTO-ELECTRONIC MODULE
Publication/Patent Number: US2021064156A1 Publication Date: 2021-03-04 Application Number: 16/948,047 Filing Date: 2020-08-28 Inventor: Ho, Hsuan-wei   Lee, Yueh-heng   Assignee: Chicony power technology co ltd   IPC: G06F3/041 Abstract: An opto-electronic module includes a circuit board, a light-emitting assembly, a contact sheet, a light shielding structure, and an outer block. The circuit board has a surface and a groove on the surface. The light-emitting assembly includes a light guide plate and a light-emitting element set. The contact sheet is above the light guide plate. The light shielding structure is above the light guide plate or below the contact sheet. The light shielding structure has an opening. The opening corresponds to a microstructure. The outer block is at an outer periphery of the light guide plate, there is a gap between the outer block and the light guide plate, and the outer block is between the contact sheet and the circuit board. One end of the groove is in communication with the gap, and the other end of the groove is in communication with the environment outside the opto-electronic module.
14
US2021096293A1
KEYBOARD BACKLIGHT MODULE AND MANUFACTURING METHOD THEREOF
Publication/Patent Number: US2021096293A1 Publication Date: 2021-04-01 Application Number: 16/675,833 Filing Date: 2019-11-06 Inventor: Ho, Hsuan-wei   Chang, Yi-cheng   Assignee: Chicony power technology co ltd   IPC: F21V8/00 Abstract: A keyboard backlight module includes a light-guiding sheet, a circuit board, a light-emitting element, a reflective sheet and a release film. The circuit board is located on a surface of the light-guiding sheet, and the reflective sheet is located on another surface of the light-guiding sheet opposite to the circuit board. The light-emitting element is located between the circuit board and the light-guiding sheet, and disposed on the circuit board. The light-emitting element emits light into the light-guiding sheet. The release film is located on the light-guiding sheet and the circuit board, and transfers a glue layer on the surface of the light-guiding sheet. The light-guiding sheet includes a plurality of illuminated patterns, and the keyboard backlight module adjusts the illumination uniformity of the light through the reflective sheet, the glue layer and the plurality of illuminated patterns.
15
US2021068214A1
CONTROL APPARATUS FOR LIGHT EMITTING DIODES
Publication/Patent Number: US2021068214A1 Publication Date: 2021-03-04 Application Number: 16/653,483 Filing Date: 2019-10-15 Inventor: Lin, Chen-chi   Assignee: Chicony power technology co ltd   IPC: H05B37/03 Abstract: A control apparatus for light emitting diodes (LEDs) includes a voltage conversion unit connected to an LED unit to convert an input voltage to supply the LED unit. A voltage difference detecting unit is connected to the LED unit for detecting an output voltage of the LED unit, and the voltage difference detecting unit includes a first resistor, a second resistor and a transistor. A control unit is connected to the voltage difference detecting unit and a hysteresis driving unit, and the control unit cooperates with the voltage difference detecting unit to provide a predetermined voltage. When the output voltage is less than the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be short-circuited, so that the voltage conversion unit stops converting the input voltage to cause the LEDs to be completely extinguished.
16
US10720829B1
Totem-pole bridgeless PFC conversion device and method of operating the same
Publication/Patent Number: US10720829B1 Publication Date: 2020-07-21 Application Number: 16/458,357 Filing Date: 2019-07-01 Inventor: Huang, Wen-nan   Chen, Ching-guo   Assignee: Chicony power technology co ltd   IPC: H02M1/42 Abstract: A totem-pole bridgeless PFC conversion device includes a conversion unit, a control unit, a current detecting unit and a phase detecting unit. When the control unit determines that a peak value of an input current is within a predetermined interval between a positive current value and a negative current value based on a current signal of the current detecting unit and a phase signal of the phase detecting unit, the control unit controls the conversion unit to operate in a discontinuous conduction mode (DCM). When the control unit determines that the peak value of the input current is not within the predetermined interval, the control unit controls the conversion unit to operate in a critical conduction mode (CRM).
17
US10720740B1
Plug, power supply and power connector
Publication/Patent Number: US10720740B1 Publication Date: 2020-07-21 Application Number: 16/551,486 Filing Date: 2019-08-26 Inventor: Lu, Jung-chang   Assignee: Chicony power technology co ltd   IPC: H01R13/64 Abstract: A plug includes a first member and a second member detachably connected to each other. The first member includes four conductors, which are separated from each other. The third and fourth conductors are selectively electrically connected to the first and second conductors, respectively. The second member includes four pins. The first and second pins are electrically connected to the first and second conductors, respectively, and are selectively electrically connected to the third and fourth conductors, respectively. The third and fourth pins are electrically connected to the first and second pins, respectively. The first and second pins are separated from each other, and the third and fourth pins are separated from each other. A power supply configured with the plug and a power connector are also provided.
18
US10871316B2
Valve, expansion valve, and stepping control method thereof
Publication/Patent Number: US10871316B2 Publication Date: 2020-12-22 Application Number: 16/151,700 Filing Date: 2018-10-04 Inventor: Huang, Shih-nan   Assignee: Chicony power technology co ltd   IPC: F25B41/06 Abstract: Disclosed is a valve, an expansion valve and their stepping control methods. The valve includes a valve body, a limiting unit, and a heating unit installed in the limiting unit. The valve body has an actuation space, and a first through hole and a second through hole communicated with the actuation space, and the actuation space further contains a valve seat disposed between the first and second through holes, and the limiting unit is installed in the actuation space, and a variable spacing is defined between the limiting unit and the valve seat. When the variable spacing is reduced, the heating unit heats up the interior of the limiting unit for heating to prevent ice buildups, so as to maintain a flowing state of the variable spacing.
19
US10770981B2
Voltage conversion module and bobbin
Publication/Patent Number: US10770981B2 Publication Date: 2020-09-08 Application Number: 15/792,777 Filing Date: 2017-10-25 Inventor: Hsiao, Yung-hung   Yen, Chia-hsien   Yin, Lieh-chung   Hsiao, Cheng-chang   Hsu, Hao-te   Assignee: Chicony power technology co ltd   IPC: H02M3/335 Abstract: The present disclosure is related to a voltage conversion module which includes a front side magneto-sensitive unit, at least one voltage conversion unit, a core group, and a bobbin. The bobbin includes a first accommodating part, a second accommodating part, and a through hole. The first accommodating part is used for accommodating the front side magneto-sensitive unit. The second accommodating part is used for accommodating the at least one voltage conversion unit. The through hole is used for accommodating the core group. The second accommodating part includes first and second openings. The first opening is disposed at one side of the second accommodating part. The second opening is disposed at another side of the second accommodating part. The first and second openings are disposed opposite to each other, and a heat dissipation channel is formed between the first opening, the second opening and the at least one voltage conversion unit.
20
US2020301524A1
LIGHT EMITTING TOUCHPAD DEVICE
Publication/Patent Number: US2020301524A1 Publication Date: 2020-09-24 Application Number: 16/809,934 Filing Date: 2020-03-05 Inventor: Ho, Hsuan-wei   Lee, Yueh-heng   Assignee: Chicony power technology co ltd   IPC: G06F3/0354 Abstract: The present disclosure discloses a light emitting touchpad device including a circuit board, a plurality of sensing elements, a light guiding plate, a plurality of first spacing blocks, and a plurality of second spacing blocks. The sensing elements are disposed on the circuit board. Each of the first spacing blocks and each of the second spacing blocks are respectively disposed on a bottom surface and a top surface of the light guiding plate, and are all located in a nil-light spot area of the light guiding plate. A spacing distance between two adjacent first spacing blocks is a third length. A spacing distance between two adjacent second spacing blocks is a fifth length. A position of any one of the second spacing blocks corresponds to a position between two of the first spacing blocks.
Total 45 pages