Patents Assigned to Elan Microelectronics Corporation
  • Publication number: 20220309822
    Abstract: A button module with vibration feedback and fingerprint sensing, a fingerprint sensing module for the same, and a control method for the same are provided. The fingerprint sensing module has a fingerprint sensing unit stacked on a vibration unit. When the fingerprint sensing module detects a fingerprint, the control unit or a host of an electronic device determines whether the fingerprint is authenticated. If it is not authenticated, the vibration unit is activated, so that the user realizes that the authentication is not passed in real time through the vibration. Then the user may quickly change another finger or move the finger's position to speed up the authentication process. This can prevent users from waiting to improve user experience.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 29, 2022
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventors: Nan-Jung LIU, Tung-Ming YANG
  • Patent number: 11328528
    Abstract: A smart card with a fingerprint sensing system, includes a controller and a fingerprint sensing device. When the fingerprint sensing device senses a fingerprint to generate a fingerprint frame data, the controller enters a sleep mode, and when the controller reads the fingerprint frame data, the fingerprint sensing device stops sensing the fingerprint. Since operations of sensing the fingerprint and reading the fingerprint frame data do not occur at the same time, the high current condition can be avoided so as to decrease power consumption.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 10, 2022
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: I-Hau Yeh, Kuo-Lung Yen, Ta-Huang Liu, Ming-Ho Wang
  • Patent number: 11320927
    Abstract: A control system applicable to a touch device is provided. The touch device includes a touch sensor. The control system comprises a sensing circuit, configured to sense the touch sensor and generate a plurality of sensing values; a processor, configured to generate a sensing image according to the plurality of sensing values; and a convolutional neural network, configured to process the sensing image to generate feature information and generate identification information according to the feature information for determining a status of the touch sensor.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 3, 2022
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Hsueh-Wei Yang, Tuan-Ying Chang, Chang-Ru Chen, Tien-Wen Pao, Pin-Jung Chung
  • Patent number: 11294483
    Abstract: An active stylus includes a stylus body and a touch sensor. The stylus body includes a first electrode and a pen body. The first electrode is used to send a signal. The pen body extends along a first direction. The touch sensor is provided on or in the pen body and includes a plurality of column electrodes extending along the first direction. There is a first gap between two adjacent column electrodes. Each column electrode has a first sensing electrode and a second sensing electrode. A first end of the first sensing electrode in the first direction has a recess to define a recess area. A second end of the second sensing electrode in the first direction has a projection extending into the recess area. There is a second gap between the projection and the recess. The second gap is smaller than the first gap.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: April 5, 2022
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: I-Hau Yeh, Hsian-Hong Wei, Chih-Yu Lin
  • Publication number: 20220058359
    Abstract: A fingerprint sensing module has a fingerprint sensor and a cover. The main color layer and the pattern layer are arranged between the cover and the fingerprint sensor. The pattern layer constitutes a predetermined pattern that is used to present the pattern of the button. The both sides of the main color layer are flush with both sides of the pattern layer, so that the capacitance variations in the corresponding pattern layer and the main color layer pass through the medium with the same thickness, and have an approximate capacitance variation mode. Thus, the sensed fingerprint image truly reflect the detected fingerprint image without being affected by the preset pattern, and a pattern layer with a certain thickness is used to enhance the color saturation presented by the predetermined pattern.
    Type: Application
    Filed: July 9, 2021
    Publication date: February 24, 2022
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventor: Yu-Kai LIN
  • Patent number: 11249577
    Abstract: A touchpad and a sending unit for the same are provided. The sensing unit has two electrode layers and a separation assembly. The separation assembly has multiple deformation rooms and multiple gap assemblies. The deformation rooms communicate with the gap assemblies. The gap assemblies communicate with the exterior environment. When the upper electrode layer is pressed and deforms in the deformation rooms, the air in the deformation rooms is discharged through the gap assemblies so that the air does not accumulate in the remaining unstressed spaces to avoid resistance and to maintain the normal operation of the force sensing function.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: February 15, 2022
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Yung-Lieh Chien, Shu-Wei Huang, Fang-Jin Lin, Tung-Ming Yang, Tien-Wen Pao
  • Patent number: 11175770
    Abstract: A touch device has multiple charging traces distributed under the touch operation area. When the object hovers over or contacts the touch operation area, the control unit of the touch device obtains the corresponding position of the object through the sensing signal of the electrode units. The control unit in turn connect the charging traces adjacent to the corresponding position of the object to form at least one charging loop. In the process of the touch operation on the touch device, the object can be charged at the same time, and the convenience of use can be improved.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: November 16, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Han-Wei Chen, Hsuan-Wen Tseng, Yi-Hsin Tao, Chia-Hsing Lin
  • Publication number: 20210320508
    Abstract: An inductive electronic identification device and a power-supply-compensation circuit of the same are provided. The power-supply-compensation circuit has a power supply unit and a compensation circuit, and connects to a load unit for supplying the load unit to operate. The compensation circuit receives the compensation signal from the load unit, so that the voltage regulator of the compensation circuit controls the voltage rise and fall of one end of the capacitor of the compensation circuit. The capacitive element switches to the charging or discharging mode according to the power consumption of the load unit. In this way, electrical charges are stored when the load unit consumes less power, and compensation current is provided when the load unit consumes more power, so as to maintain the normal operation of the load unit.
    Type: Application
    Filed: April 6, 2021
    Publication date: October 14, 2021
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventor: Chao-Chi YANG
  • Publication number: 20210294474
    Abstract: A touchpad and a sending unit for the same are provided. The sensing unit has two electrode layers and a separation assembly. The separation assembly has multiple deformation rooms and multiple gap assemblies. The deformation rooms communicate with the gap assemblies. The gap assemblies communicate with the exterior environment. When the upper electrode layer is pressed and deforms in the deformation rooms, the air in the deformation rooms is discharged through the gap assemblies so that the air does not accumulate in the remaining unstressed spaces to avoid resistance and to maintain the normal operation of the force sensing function.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 23, 2021
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventors: Yung-Lieh CHIEN, Shu-Wei HUANG, Fang-Jin LIN, Tung-Ming YANG, Tien-Wen PAO
  • Patent number: 11068764
    Abstract: A smart card has a light-emitting element, a fingerprint sensor and a microcontroller. An operation of the smart card has a plurality of indication periods to indicate operation statuses of the smart card by the light-emitting element. The control method of the smart card includes generating a light source control signal, controlling a current supplied to the light-emitting element by the microcontroller according to the light source control signal, and decreasing the current supplied to the light-emitting element or stop the current supplied to the light-emitting element during at least one power-saying period in a first indication period of the plurality of indication periods.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: July 20, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: I-Hau Yeh, Ta-Huang Liu, Hsiao-Hua Tsai, Ming-Ho Wang
  • Patent number: 11048954
    Abstract: The present invention relates to a fingerprint enrollment method and an electronic device for performing the fingerprint enrollment method. A fingerprint sensor of the electronic device senses the fingerprint to generate the fingerprint images. The processor of the electronic device determines if M qualified fingerprint images are acquired or the number of times the finger touches the fingerprint sensor reaches N. When any of the above conditions is satisfied, the operation of sensing fingerprint is stopped. After that, the processor uses the fingerprint images to generate fingerprint enrollment information to complete the fingerprint enrollment process. Based on the disclosure of the present invention, the user can complete the fingerprint enrollment process regardless of whether the user uses spiral enrollment or pressing enrollment.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 29, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Chun Chien, Li-Wei Lin, Yen-Cheng Lin
  • Patent number: 10969898
    Abstract: A method for determining a force of a touch object on a touch device and for determining its related touch event is provided. The touch object touched on the touch device is clustered into different object groups. Thus, multiple touch objects are simply grouped into two object groups to easily calculate the pressing force that is provided for determining follow-up touch event.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: April 6, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Hsueh-Wei Yang, Ting-Jan Yang
  • Patent number: 10969912
    Abstract: A capacitive sensing and sampling circuit and method thereof are disclosed. The capacitive sensing and sampling circuit has a voltage source, a sensing unit and a detecting circuit. The detecting unit has a first sensing output unit, a second sensing output unit and a sampling unit. The first and second sensing output units are electrically connected to an output of the sensing unit and the sampling unit. Therefore, by increasing the number of alternatively sensing the capacitive sensing component to obtain more capacitive signals, the number of sampling the sensed capacitive signal is relatively increased. Therefore, the white noise interference for the capacitive sensing and sampling circuit is effectively suppressed, so the signal-to-noise ratio is increased and accuracy of detecting coordinates of the touch object is increased.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: April 6, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Kun-Lin Hsieh, Jyun-Yu Chen, Chia-Hsing Lin
  • Publication number: 20210089163
    Abstract: A touch device and an operation method thereof is provided. By determining whether the operating event of the touch device or its touchpad satisfies an exclusion condition, the command triggered when the touchpad is pressed is determined to be ignored or not. Therefore, the corresponding command triggered by pressing the touchpad downward is automatically excluded when it does not want to be triggered. Therefore, the user can naturally disable the function of the corresponding command, which is executed when the pressing module is triggered, during use without using other controls, thereby improving the convenience of use.
    Type: Application
    Filed: July 17, 2020
    Publication date: March 25, 2021
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventors: Hsueh-Wei YANG, Ting-Jan YANG, Sung-Lin Wang
  • Patent number: 10955975
    Abstract: A lighting touchpad includes a circuit board and a light-emitting element. The circuit board has a touch sensing area, and a plurality of first sensor cells and at least one second sensor cell are formed in the touch sensing area. Each of the first sensor cells has the same first areas, and each of the at least one second sensor cell has a second area smaller than the first area. The light-emitting element is disposed in the touch sensing area and adjacent to the at least one second sensor cell. The configuration of the present invention is helpful to reduce a touch dead zone (also be called an inactive area) of the lighting touchpad.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: March 23, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventor: Hsin-Fu Hsu
  • Publication number: 20210064949
    Abstract: A smart card includes a microprocessor, a biometric sensor, a power supply decision unit, and a power detection unit. When the power source provides electric power to the smart card, the microprocessor of the smart card operates at a lower operating frequency initially. After determining by the power supply detecting unit and the power supply decision unit, it is determined whether a power source provides a higher current or voltage. The microprocessor further determines whether to adjust the operating frequency according to the determination. If so, the operating frequency is further increased to speed up the processing and thereby enhance the user experience.
    Type: Application
    Filed: August 24, 2020
    Publication date: March 4, 2021
    Applicant: ELAN MICROELECTRONICS CORPORATION
    Inventors: Hsiao-Hua TSAI, Ming-Ho WANG, Ta-Huang LIU
  • Patent number: 10921942
    Abstract: A touch system has a touch device and an input device. The touch system executes a first mode and a second mode at different times. In the first mode, the touch device transmits a modulation signal to drive the touch electrodes and to be used as an uplink signal. The input device receives the modulation signal. In the second mode, the touch device receives the downlink signal from the input device. Thus, the touch device does not have to transmit the driving signal and the uplink signal at different times. Then the time is saved for the rest work periods so that every work periods get longer length of time.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: February 16, 2021
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Han-Wei Chen, Hsuan-Wen Tseng, Yi-Hsin Tao, Chia-Hsing Lin, Chen-Yu Hou, Chieh-Wen Chen
  • Patent number: 10914807
    Abstract: A point stick module has a sensing device, a rank unit and a signal processing device. The sensing device outputs multiple sensing signals in response to operations done by a user. The rank unit provides a rank signal to represent a rank of the sensing device. The signal processing device is coupled to the sensing device and the rank unit to receive the multiple sensing signals and the rank signal, wherein the signal processing device selects a parameter according to the rank signal.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: February 9, 2021
    Assignee: Elan Microelectronics Corporation
    Inventor: Chun-Chieh Huang
  • Patent number: 10915209
    Abstract: A liquid detecting method and controller for a capacitive touch pad are disclosed. The method includes performing a first mutual capacitance measurement of sensing points of the capacitive touch pad to obtain multiple first sensing values, and then performing a second mutual capacitance measurement of the sensing points to obtain multiple second sensing values, wherein the first and the second mutual capacitance measurements using different frequency of driving signals or different sensing periods for sensing the multiple sensing points. According to the multiple first sensing values and the second sensing values, whether there is liquid on the capacitive touch pad can be determined.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: February 9, 2021
    Assignee: Elan Microelectronics Corporation
    Inventors: Tung-Ming Yang, Hsueh-Wei Yang, Tien-Wen Pao
  • Patent number: 10845918
    Abstract: A touch system includes a touch device and an input device. The uplink signal transmitted by the touch device includes a timestamp. The input device transmits a downlink signal through the electrode unit and transmits a side information through a wireless communication unit. The inclusion of the corresponding timestamp in the side information ensures that the side information is combined with the corresponding downlink signal to correctly present the user's operation.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 24, 2020
    Assignee: ELAN MICROELECTRONICS CORPORATION
    Inventors: Han-Wei Chen, Hsuan-Wen Tseng, Yi-Hsin Tao, Chia-Hsing Lin