Huizhou (HK) Yingyuan Technology
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Securities Star News: According to data from Qichacha, WELGAO (301251) has obtained a new invention patent authorization, titled "A corrosion-resistant power circuit board", with patent application number CN202111654774.2 and authorization date of May 10, 2024.Patent abstract: The present invention relates to a circuit board, in particular to a corrosion-resistant power circuit board. The purpose of the present invention is to provide a corrosion-resistant power supply circuit board that can maintain the circuit board in a dry environment. A corrosion-resistant power circuit board comprising a circuit board body, a first fixing bracket, a fixed heat dissipation plate, connecting wires, and a humidity sensor, etc. The top of the circuit board body is equipped with a first fixing bracket with acid and alkali corrosion resistance and good thermal conductivity. The front and rear sides of the left side of the first fixing bracket are equipped with fixed heat dissipation plates for heat di...
2024
Securities Star News: According to data from Qichacha, Huabao Xinneng (301327) has recently obtained a utility model patent authorization, titled "An Outdoor Power Supply", with patent application number CN202322405618.3 and authorization date of May 10, 2024.Patent Abstract: This utility model discloses an outdoor power supply. The outdoor power supply includes a power supply body, an integrated lighting display screen, a control module, and a switch module; The integrated lighting display screen is set on the outer wall of the power supply body; The switch module is electrically connected to the input terminal of the control module, and the output terminal of the control module is electrically connected to the integrated lighting display screen; The switch module is used to output a first switch signal and a second switch signal, the control module is used to control the lighting display integrated screen for display based on the first switch signal, and the control module is used t...
Securities Star News: According to data from Qichacha, CVTE Dream Future Co., Ltd. (002841) has recently obtained a utility model patent authorization, titled "A Power Output Control Circuit, Switching Power Supply and Electronic System", with patent application number CN202322353222.9 and authorization date of May 10, 2024.Patent Abstract: The present embodiment discloses a power output control circuit and electronic system, comprising an anode of a first diode connected to a first end of a first resistor module and a in-phase input end of an operational amplifier, with a cathode used for receiving a level control signal; The second end of the first resistance module is connected to the inverting input end of the operational amplifier, the fourth end of the first resistance module is connected to the positive pole of the transmitting end of the first optocoupler, and the fifth end of the first resistance module is used to connect to the first voltage; The output end of the operationa...
On May 10, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Taiwan Integrated Circuit Manufacturing Co., Ltd. has obtained a patent named "integrated circuit", the authorization announcement number is CN220934080U, and the application date is July 2023.The patent abstract shows that the present utility model provides an integrated circuit comprising a first power rail and a second power rail extending in a first direction, as well as a first power grid short cut connected to the first power rail through a first through hole connector. The integrated circuit also includes a first vertical wire extending in the second direction between the first vertical cell boundary and the second vertical cell boundary in the circuit cell. The first vertical conductor and the first power grid short cut are located in the same metal layer and aligned with each other in the second direction.
Securities Star News: According to data from Qichacha, BYD (002594) has recently obtained a utility model patent authorization, titled "Vehicle, Power Manager and Its Sleep Awakening Device". The patent application number is CN202322349512.6, and the authorization date is May 7, 2024.Patent Abstract: This utility model discloses a vehicle, a power manager, and a sleep wake-up device thereof. The sleep wake-up device includes a power supply module, a switch module, and a detection module. The switch module is used to wake up the control module when the control module is in a sleep state when it is disconnected. When the detection module detects that the battery is starting to charge or discharge, it outputs a conduction control signal to the control end of the switch module to wake up the control module. This technology solution has simple logical control and does not require users to perform unnecessary actions to wake up the control module. It only requires the power module to be tur...