公开(公告)号：US20240210240A1

公开(公告)日：2024-06-27

申请号：US18378263

申请日：2023-10-10

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran YANG

IPC: G01J1/44

CPC classification number: G01J1/44 ,  G01J2001/444

Abstract: A near-infrared light acquisition circuit, method, system and device relates to the technical field of near-infrared light acquisition. The near-infrared light acquisition circuit includes a plurality of acquisition modules, a plurality of transimpedance amplification modules, a plurality of filter modules, switching module and control module; the inputs of the transimpedance amplification modules are respectively and correspondingly connected to the outputs of the acquisition modules, and the outputs of the transimpedance amplification modules are respectively and correspondingly connected to the inputs of the filter modules, the outputs of the filter modules are connected to the inputs of the switching module, and the control ends of the switching module are connected to the logic outputs of the control module, the outputs of the switching module are connected to the inputs of the control module, and the output of the control module is connected to the upper computer.

公开(公告)号：US20240053826A1

公开(公告)日：2024-02-15

申请号：US18378930

申请日：2023-10-11

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran YANG

IPC: G06F3/01

CPC classification number: G06F3/015

Abstract: The present disclosure provides an evaluation method, device, and storage medium for intelligent human-machine cooperation system, the method comprises the following steps: recording a real-time objective data of subject during an execution of the intelligent human-machine cooperation system test; inputting the objective data into a pre-trained fitting model to predict and obtain a subjective evaluation of a prediction, the pre-trained fitting model is based on a recorded objective data and subjective evaluation fitting, and the subjective evaluation is obtained based on a first subjective evaluation result of the subject after executing the intelligent human-machine cooperation system test for pre-training; obtaining a real-time human-machine cooperation score based on a predicted subjective evaluation.

公开(公告)号：US20240039844A1

公开(公告)日：2024-02-01

申请号：US18088907

申请日：2022-12-27

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran YANG ,  Zhao LI

IPC: H04L45/74

CPC classification number: H04L45/74 ,  H04L67/12

Abstract: Disclosed are a sensor data transmission method and a device. The method includes: a periodic signal acquisition apparatus receiving a message requesting for data packet description information from a data receiving end and reporting the data packet description information to the data receiving end, wherein the data packet description information includes: signal type information, the acquisition rate for each type of signal, and the sending rate of a data packet; receiving a data reporting request from the receiving end, and sending a data packet to the data receiving end according to the sending rate of the data packet in the data packet description information, wherein the data packet sent to the data receiving end contains a packet header portion and a load portion, the packet header portion includes a frame header field, a load length field, and a check field.

公开(公告)号：US20230210462A1

公开(公告)日：2023-07-06

申请号：US18086768

申请日：2022-12-22

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran Yang ,  Zhao Li

IPC: A61B5/00 ,  A61B5/145 ,  A61B5/024

CPC classification number: A61B5/6815 ,  A61B5/024 ,  A61B5/721 ,  A61B5/6838 ,  A61B5/14542

Abstract: Disclosed are a wearable multi-index integrated physiological intelligent sensor system and a physiological index monitoring method. The system includes a device body and an intelligent terminal. The device body is provided with a fixing piece, which is configured to fix the device body at a human ear; the device body is further provided with a collecting and processing assembly, which is in wireless communication connection with the intelligent terminal; the collecting and processing assembly collects a corresponding physiological index signal in response to a physiological index collection instruction sent by the intelligent terminal, and analyzes and processes the physiological index signal to obtain a corresponding physiological index data, and sends the physiological index data to the intelligent terminal; in which, the physiological index signal includes electrodermal signal, heart rate signal and blood oxygen signal; the intelligent terminal is configured to receive and display a physiological index data.

公开(公告)号：US20230155807A1

公开(公告)日：2023-05-18

申请号：US18086928

申请日：2022-12-22

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran YANG

IPC: H04L7/00

CPC classification number: H04L7/0037

Abstract: The present application relates to a clock quartz oscillator synchronization method, system and apparatus, in which the method includes, when a calculation unit is in network connection, calculating a first deviation between a calculation unit time and a network clock time; updating a fundamental deviation according to the first deviation; updating the calculation unit time and calculating an actual refresh frequency of the calculation unit according to the fundamental deviation; calculating a second deviation between the calculation unit time and a sensor time; and according to the second deviation, updating the sensor time and calculating an actual interruption frequency of the sensor. The present application provides a synchronization method for calculation, estimation, correction, compensation of time deviation caused by the clock quartz oscillator, which has a benefit of time deviation reduction when one or more sensors are in data exchange with one or more calculation units.

公开(公告)号：US20220206575A1

公开(公告)日：2022-06-30

申请号：US17699656

申请日：2022-03-21

Applicant: KINGFAR INTERNATIONAL INC.

Inventor： Qichao ZHAO ,  Ran YANG

IPC: G06F3/01 ,  G06T7/70 ,  G06T7/20

Abstract: Provided is a method for identifying a gaze behavior in a three-dimensional space, comprising: acquiring eye movement data of the two eyes of a user; selecting, from the collected eye movement data, eye movement data for gaze behavior identification; calculating eye movement angular velocities, determining gaze point data corresponding to the gaze behavior; combining pieces of gaze point data, which satisfy a time proximity condition and a space proximity condition at the same time, in the gaze point data so as to obtain a gaze duration and the 3D coordinates of gaze points; and based on the combined pieces of gaze point data, determining a gaze point at which the gaze duration is longer than a second set duration, thereby identifying the gaze behavior.