公开(公告)号：US20230288553A1

公开(公告)日：2023-09-14

申请号：US17725128

申请日：2022-04-20

申请人： RAYINN TECHNOLOGY, INC.

发明人： Shih-Hai TU ,  Ming-Fa TSAI

IPC分类号： G01S13/87 ,  G01S13/88 ,  G01S7/282 ,  G01S7/35 ,  A61B5/05

CPC分类号： G01S13/872 ,  G01S13/88 ,  G01S7/282 ,  G01S7/35 ,  A61B5/05

摘要： Disclosed is a medical care radar system, comprising: a radio-frequency integrated circuit, a first-operation-mode transmitting antenna, a second-operation-mode transmitting antenna, a first-operation-mode receiving antenna set, a second-operation-mode receiving antenna set, a processing device, and an analog-to-digital converter. A field-programmable gate array of the processing device controls the analog-to-digital converter to perform an analog-to-digital conversion without the use of a microcontroller, so that the architecture is simplified and the cost is reduced.

公开(公告)号：US11469763B1

公开(公告)日：2022-10-11

申请号：US17558131

申请日：2021-12-21

申请人： RAYINN TECHNOLOGY, INC.

发明人： Shih-Hai Tu ,  Ming-Fa Tsai

IPC分类号： H03L7/085 ,  H03L7/093 ,  H03L7/107

摘要： Disclosed is a low-pass filtering system having a phase-lock loop comprising a Park transform circuit, a first low-pass filter, a second low-pass filter, an inverse Park transform circuit, a phase-locked loop filter, and a voltage-controlled oscillator. The Park transform circuit, the first low-pass filter, the second low-pass filter, and the inverse Park transform circuit form a phase detector of a phase-locked loop, since the low-pass filter system of the present invention has the phase-locked loop mechanism, the phase and amplitude of a output signal remain the same with those of the original AC input signal.