Abstract: An alarm system for a vehicle comprises a sensor disposed on an installation plane of the vehicle, configured to emit a plurality of frequency-modulated continuous waveform (FMCW) signals toward a reverse plane of the installation plane and receiving reflected signals of the plurality of FMCW signals, to detect information of a plurality of targets within a specified range corresponding to the vehicle; an alarm being controlled to generate an alarm signal; and a control module coupled to the sensor and the alarm, capable of receiving the information of the plurality of targets detected by the sensor; determining a vehicle information of the vehicle in relation to an external environment according to the information of the plurality of targets; and determining movement statuses of the plurality of targets in relation to the vehicle according to the vehicle information and the information of the plurality of targets, and accordingly controlling the alarm.

Abstract: A compound circuit board for a radar device includes a first substrate including a plurality of trace layers having a first trace layer formed with a digital signal processing unit and an electronic control unit in a first area, a second substrate including a plurality of trace layers having a second trace layer formed with an antenna module in a second area, and a prepreg layer between the first and second substrates for connecting the first and second substrates, wherein the first area and the second area in a first projecting result generated by projecting the first trace layer on the second trace layer are substantially overlapped.

Abstract: A blind spot detection system for a vehicle includes a vehicle information detecting module for obtaining at least one vehicle information of the vehicle corresponding to an external environment, an alarm for generating an alarm signal, a plurality of sensors each for emitting a radio signal and receiving a reflecting signal of the transmitted radio signal to detect whether an object exists within a specific range and generate a detection result accordingly, and a control module for controlling the alarm to generate the alarm signal according to the at least one vehicle information and a plurality of detection results generated by the plurality of sensors.

Abstract: An alarm system for a vehicle comprises a sensor disposed on an installation plane of the vehicle, configured to emit a plurality of frequency-modulated continuous waveform (FMCW) signals toward a reverse plane of the installation plane and receiving reflected signals of the plurality of FMCW signals, to detect information of a plurality of targets within a specified range corresponding to the vehicle; an alarm being controlled to generate an alarm signal; and a control module coupled to the sensor and the alarm, capable of receiving the information of the plurality of targets detected by the sensor; determining a vehicle information of the vehicle in relation to an external environment according to the information of the plurality of targets; and determining movement statuses of the plurality of targets in relation to the vehicle according to the vehicle information and the information of the plurality of targets, and accordingly controlling the alarm.

Abstract: A compound circuit board for a radar device includes a first substrate including a plurality of trace layers having a first trace layer formed with a digital signal processing unit and an electronic control unit in a first area, a second substrate including a plurality of trace layers having a second trace layer formed with an antenna module in a second area, and a prepreg layer between the first and second substrates for connecting the first and second substrates, wherein the first area and the second area in a first projecting result generated by projecting the first trace layer on the second trace layer are substantially overlapped.

Abstract: A blind spot detection system comprises an alarm, capable of generating an alarm signal; a plurality of sensors, each for emitting a radio signal and receiving a reflecting signal of the emitted radio signal, to detect whether an object exists within a specific range and generate a detection result accordingly; and a control module, for receiving at least one vehicle information from the OBD system and controlling the alarm to generate the alarm signal according to the at least one vehicle information and a plurality of detection results generated by the plurality of sensors.

Abstract: An automobile warning method and an automobile warning system are provided. The automobile warning method is disclosed, implemented by an automobile warning system on a vehicle, wherein the automobile warning system includes a microwave reflective detection device and a control device, including: emitting, by the microwave reflective detection device, a microwave signal for detecting whether a mobile object is present in a blind spot of the vehicle; and when the presence of the mobile object is detected, changing, by the control device, a state of a controlled device of the vehicle.

Abstract: A blind spot detection system for a vehicle includes a vehicle information detecting module for obtaining at least one vehicle information of the vehicle corresponding to an external environment, an alarm for generating an alarm signal, a plurality of sensors each for emitting a radio signal and receiving a reflecting signal of the transmitted radio signal to detect whether an object exists within a specific range and generate a detection result accordingly, and a control module for controlling the alarm to generate the alarm signal according to the at least one vehicle information and a plurality of detection results generated by the plurality of sensors.

Abstract: An antenna sense circuit includes a detector and a level shifter. The detector consists of a voltage drop component, a transistor component, a first resistor component, and a second resistor component. The voltage drop component is coupled between a first power supply and a first terminal of the first resistor component. The second resistor component has a first terminal coupled to a second terminal of the first resistor component and a second terminal coupled to a second power supply. The transistor component has a control terminal coupled to the second terminal of the first resistor component and the first terminal of the second resistor component, a second connection terminal coupled to the first power supply, and a first connection terminal for outputting a first detecting signal. The level shifter adjusts a voltage level of the first detecting signal to generate a second detecting signal.

Abstract: A wireless signal transceiver for a blind spot detection system includes a first substrate, a radio-frequency processing unit formed on the first substrate for transmitting a wireless signal and receiving a reflecting signal of the transmitted wireless signal, and a complex programmable logic device controlled by a digital signal processor for controlling operations of the radio-frequency processing unit according to at least a control command of the digital signal processor, so as to detect whether an object exists within a specific range.

Abstract: An antenna sense circuit includes a detector and a level shifter. The detector consists of a voltage drop component, a transistor component, a first resistor component, and a second resistor component. The voltage drop component is coupled between a first power supply and a first terminal of the first resistor component. The second resistor component has a first terminal coupled to a second terminal of the first resistor component and a second terminal coupled to a second power supply. The transistor component has a control terminal coupled to the second terminal of the first resistor component and the first terminal of the second resistor component, a second connection terminal coupled to the first power supply, and a first connection terminal for outputting a first detecting signal. The level shifter adjusts a voltage level of the first detecting signal to generate a second detecting signal.