Patents Assigned to Primax Electronics Ltd.
  • Patent number: 11342133
    Abstract: A key structure includes a circuit board, a triggering part and an elastic element. The elastic element includes an upper support portion, a lower support portion, an upper elastic portion and a lower elastic portion. The lower support portion is located beneath the upper support portion and connected to a peripheral region of the circuit board. The upper elastic portion is connected between the triggering part and the upper support portion. The lower elastic portion is connected between the upper support portion and the lower support portion. The lower elastic portion includes a first section and a second section connected to each other. The first section is connected to the upper support portion. The second section is connected to the lower support portion. There is a vacant space between the second section and the circuit board.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: May 24, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Sheng-Fan Chang, Lei-Lung Tsai
  • Patent number: 11342139
    Abstract: A key structure includes a keycap, a base plate, a first scissors-type connecting element, a second scissors-type connecting element and a reinforced connecting rod. The first and second scissors-type connecting elements are arranged between the keycap and the base plate. The first scissors-type connecting element includes a first inner frame and a first outer frame. The second scissors-type connecting element includes a second inner frame and a second outer frame. The keycap is movable upwardly or downwardly relative to the base plate along a specified path with the assistance of the first and second scissors-type connecting elements. The reinforced connecting rod includes a hollow rectangular main body. The first outer frame has a first extension structure. The second outer frame has a second extension structure. Moreover, two opposite sides of the hollow rectangular main body are respectively received within the first extension structure and the second extension structure.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: May 24, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: De-Guang Zhu, Rong-Biao Xu
  • Patent number: 11335517
    Abstract: A key structure includes a frame member, a keycap and a stabilizer bar. The keycap includes first and second clamping members. The first clamping member includes a first upper stopping part, a first lower stopping part and a first lateral stopping part. The second clamping member includes a second upper stopping part, a second lower stopping part and a second lateral stopping part. The stabilizer bar includes a shaft part, a first leg part and a second leg part. The shaft part is received within a hook of the frame member. The first leg part is received within the first clamping member. The second leg part is received within the second clamping member. The first lateral stopping part is pushed against the first leg part along a first direction. The second lateral stopping part is pushed against the second leg part along a second direction.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: May 17, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chun-Lin Chu, Shu-An Huang
  • Patent number: 11334339
    Abstract: A USB device and a firmware updating method for the USB device are provided. The firmware updating method includes the following steps. Firstly, a communication protocol is provided. Then, the communication protocol is installed in the at least one microcontroller unit of the USB device. Then, an application program is produced according to the communication protocol. The application program is installed in an electronic computer. The application program contains at least one update firmware information. Then, the at least one update firmware information is transmitted from the electronic computer to the at least one microcontroller unit through the communication protocol. Consequently, at least one original firmware information in the at least one microcontroller unit is replaced by the at least one update firmware information.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 17, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chih-Feng Chien, Yun-Jung Lin, Chien-Nan Lin
  • Patent number: 11309142
    Abstract: A keyboard device includes a base plate and a key structure. The base plate includes a first coupling part. The first coupling part includes a first locking hole. The key structure includes a keycap, a stabilizer bar and a first connecting element. The stabilizer bar is arranged between the keycap and the base plate. The stabilizer bar includes a transverse bar part and a first hook part. The transverse bar part is pivotally coupled to the keycap. The first hook part is penetrated through the first locking hole of the first coupling part. The first connecting element includes a first supporting structure. The first supporting structure is arranged between the first hook part of the stabilizer bar and the base plate. The first hook part is supported by the first supporting structure. Consequently, the first hook part is contacted with an inner wall of the first locking hole.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: April 19, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Wei Chang, Chin-Sung Pan
  • Patent number: 11310403
    Abstract: A camera module includes a substrate, a sensing chip, a lens module and a piezoelectric plate. The sensing chip is electrically connected with the substrate. The sensing chip includes a sensing region. The sensing chip is covered by the lens module. The sensing chip is arranged between the substrate and the lens module. When an external light beam passes through the lens module and projected on the sensing region, the sensing chip generates an image. The piezoelectric plate is arranged between the substrate and the lens module. When an electric power is provided to the piezoelectric plate, the piezoelectric plate is subjected to deformation, so that the lens group focuses on the sensing region. The present invention also provides a calibration method for the camera module.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: April 19, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Chin-Ding Lai
  • Patent number: 11309725
    Abstract: A support base includes a casing, a signal transmission module, a connection port, an audio output element and a detecting module. The support base is connected with a portable electronic device through the signal transmission module. The support base is connected with an external electronic device through the connection port. A first audio signal from the portable electronic device or a second audio signal from the external electronic device can be played by the audio output element. The detecting module detects the connection status of the support base. According to the connection status, the first audio signal or the second audio signal is controlled to be outputted from the audio output element.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: April 19, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wen-Chih Chu, Yi-Ting Chang, Yu-Chuan Liu, Wen-Hsien Chan, Yu-Cun Chu
  • Patent number: 11289281
    Abstract: A key structure includes a keycap and a scissors-type connecting element. The scissors-type connecting element is connected with the keycap. The scissors-type connecting element includes an inner frame and an outer frame. A first end of the inner frame is connected with the keycap. The outer frame is connected with the inner frame and swingable relative to the inner frame. A first end of the outer frame is connected with the keycap and located near a second end of the inner frame. A second end of the inner frame includes a first protrusion. A first end of the outer frame includes a second protrusion near the first protrusion. The first protrusion includes a first knocking surface. The second protrusion includes a second knocking surface. While the keycap is pressed down, the first knocking surface and the second knocking surface knock on each other.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 29, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Wei Chang, Lei-Lung Tsai
  • Patent number: 11287899
    Abstract: A keyboard device with a protecting function and a manufacturing method of the keyboard device are provided. Firstly, a mold is provided. Then, a frame material is placed into the mold to form a frame body, and a film material is placed into the mold to form a protective film. Consequently, the protective film is fixed on the frame body. After the mold is removed, a keyboard module is assembled with the frame body. Consequently, the keyboard device is manufactured. The protective film includes a sheet-like portion, plural connection portions and plural covering portions. The frame body includes plural spacer structures and plural perforations. The sheet-like portion is fixed on the plural spacer structures. The keyboard module includes a base plate and plural keys. The keycap is penetrated through the corresponding perforation and contacted with the corresponding covering portion.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: March 29, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Ming-Han Wu, Hsien-Tsan Chang
  • Patent number: 11289283
    Abstract: A key structure includes a keycap, a membrane circuit board, and a rubber dome between the keycap and the membrane circuit board. The rubber dome includes a ring-shaped structure, a lower foundation structure, a contacting post, a first inclined wall and a second inclined wall. The ring-shaped structure includes a first top surface. The first top surface is upwardly pushed against the keycap. The lower foundation structure includes a first bottom surface. The first bottom surface is pushed downwardly pushed against the membrane circuit board. The contacting post is connected with the ring-shaped structure. The first inclined wall is connected with the ring-shaped structure and the lower foundation structure. The second inclined wall is connected with the ring-shaped structure and the contacting post. There is a first included angle ?1 between the second inclined wall and the first bottom surface. Preferably, 30°??1?85°.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 29, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Wei Chang, Chin-Sung Pan, Lei-Lung Tsai
  • Patent number: 11287909
    Abstract: A sensitivity-adjustable mouse includes a casing, a switching button, an illumination module and a lightshade cover. The switching button is installed on the casing and swingable relative to the casing. The illumination module is disposed within the casing and located under the switching button. The illumination module emits plural light beams to the switching button. The lightshade cover is connected with the switching button and arranged between the switching button and the illumination module. The plural light beams are divided by the lightshade cover. The illumination module and the lightshade cover are covered by the switching button. Due to the appearance of a single button structure, the appearance of the mouse is aesthetically pleasing.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: March 29, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Chun-Cheng Lu
  • Patent number: 11265953
    Abstract: An intellectual host switching system is disclosed, which is installed in multi host devices, and comprises a host switching setting unit and a host switching executing unit. The host switching setting unit provides a plurality of color regions on a display screen of the host device, and the color regions are corresponding to multi host devices by a setting operation of host switching. In case of a pointer being moved to be in a color region as well as a motion distance of the pointer being smaller than a reference motion distance, the host switching executing unit executes a host switching operation after receiving a host switching command that is transmitted from a wireless inputting device, thereby making the wireless inputting device wirelessly connected with one host device be switched to be wirelessly connected with another one host device, without completing any Bluetooth pairing procedure.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: March 1, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Che-Yen Huang, Ying-Che Tseng, Shi-Jie Zhang
  • Patent number: 11260290
    Abstract: A joystick module includes a main body, a light guide structure and a light source. The main body includes at least one hollow region. The light guide structure is disposed within the main body. The light guide structure includes a first light guide part and a second light guide part with different transmittances. The first light guide part has a light output surface exposed outside the hollow region. The second light guide part has a light input surface. The light source is disposed within the main body and located beside the light input surface of the second light guide part. After the light source emits a light beam, the light beam is introduced into the light guide structure through the light input surface of the second light guide part and exited from the at least one light output surface of the first light guide part.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: March 1, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: You-Ping Wang, Jun-Hui Ma
  • Patent number: 11240669
    Abstract: A wireless mouse includes a mouse body and a wireless receiver. The wireless receiver is connected with a computer host. When the mouse body is operated by a user, an original information is generated. The original information is encrypted and converted into an encryption information by the mouse body. The wireless receiver receives the encryption information from the mouse body. After the encryption information is received by the wireless receiver, the encryption information is decrypted by the wireless receiver. Consequently, the encryption information is restored into the original information. After the computer host receives the original information through the wireless receiver, the computer host performs a corresponding operation.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: February 1, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chih-Feng Chien, Chin-An Lin, Yun-Jung Lin
  • Patent number: 11205549
    Abstract: A keycap structure includes a keycap body and a display module. The keycap body includes a top wall and a lateral wall. The lateral wall is extended downwardly from a periphery region of the top wall. An accommodation space is defined by the top wall and the lateral wall collaboratively. The display module is disposed within the accommodation space. The display module includes a light-transmissible circuit substrate and plural light-emitting elements. The plural light-emitting elements are installed on the light-transmissible circuit substrate and electrically connected with the light-transmissible circuit substrate. After the light beams are transmitted through the light-transmissible circuit substrate and the top wall sequentially, the light beams are outputted from the keycap body. The light beams from the plural light-emitting elements are collaboratively formed as a luminous zone. Moreover, a pattern corresponding to the luminous zone is shown on the display module.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: December 21, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Bo-An Chen, Chin-Sung Pan, Ya-Chin Tu
  • Patent number: 11204651
    Abstract: A keyboard device includes a membrane circuit board and a key structure over the membrane circuit board. The key structure includes a keycap, a plunger structure, a key pedestal and an elastic element. The plunger structure is arranged between the keycap and the elastic element. At least a portion of the keycap is disposed within a pedestal dust-storage chamber of the key pedestal. At least a portion of the plunger structure is disposed within a guiding chamber of the key pedestal. Due to the relative location between the keycap, the plunger structure and the key pedestal, the path of the dust to enter the guiding chamber is extended or blocked. Consequently, the dust-proof efficacy is enhanced.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: December 21, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Liu-Bing Cai, Li-Qiang Chen
  • Patent number: 11206378
    Abstract: A camera module aligning method includes the following steps. Firstly, a reference chart having plural chart characteristic points is provided. Then, a camera module is used to shoot the reference chart, and an installation position and an installation posture of the camera module are acquired according to an internal parameter matrix and an external parameter matrix. When the camera module shoots the reference chart and an image is formed on an imaging plane of the camera module, a relationship between at least one image characteristic point of the image and the corresponding chart characteristic point complies with a standard relationship. The standard relationship is defined by the internal parameter matrix and the external parameter matrix.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 21, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Hsiu-Wen Wang, Chih-Wen Lin
  • Patent number: 11177092
    Abstract: A keyboard device includes plural key structures. Each key structure includes a plate assembly, a keycap assembly, an elastic element, a connecting member and a signal generator. The plate assembly includes a membrane switch. The keycap assembly is located over the plate assembly. The elastic element is arranged between the plate assembly and the keycap assembly. The connecting member is arranged between the plate assembly and the keycap assembly. The connecting member includes a triggering part. The signal generator is installed on the plate assembly. While the keycap assembly is moved toward the plate assembly through the connecting member, the triggering part is moved downwardly to trigger the signal generator to generate a first signal. After the signal generator is triggered, the keycap assembly is continuously moved downwardly and the membrane switch is triggered to generate a second signal.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: November 16, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chien-Hung Liu, Chin-Sung Pan, Lei-Lung Tsai, Chia-Wei Chang
  • Patent number: 11175752
    Abstract: A roller mouse includes a casing, a wheel module, a swingable assembly and an adjusting element. The wheel module includes a wheel element. The swingable assembly is fixed on the wheel module, and located near the wheel element. When the adjusting element is in a first position, the swingable assembly is contacted with the wheel element, so that the wheel module is in a first clicking mode. When the adjusting element is moved to a second position, the swingable assembly is pushed by the adjusting element, and the swingable assembly is separated from the wheel element, so that the wheel module is in a second clicking mode.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 16, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chun-Lin Chu, Hsiang-Yu Ou, Li-Kuei Cheng, Shu-An Huang
  • Patent number: 11177091
    Abstract: A keyboard device includes a base plate, a membrane circuit board and a key. The key includes a keycap, a connecting assembly, a first stabilizer bar and a second stabilizer bar. The connecting assembly is connected between the keycap and the base plate. The first stabilizer bar and the second stabilizer bar are connected between the keycap and the connecting assembly. While the keycap is moved upwardly or downwardly relative to the base plate, the first stabilizer bar and the second stabilizer bar are swung to stabilize the key. Since the first stabilizer bar and the second stabilizer bar are connected between the keycap and the connecting assembly, the first stabilizer bar and the second stabilizer bar will not readily collide with or knock on the base plate. During the operation, the generated noise is reduced. Consequently, the operating comfort to the user is enhanced.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: November 16, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Lei-Lung Tsai, Chuang-Shu Jhuang, Song-Hui Han