Abstract: A detector, system and method for detecting vehicle lock status are provided. The detector comprises a motion sensor configured to sense vehicle door open and close movement; a microphone configured to record sound patterns generated with targeted events; a wireless communication module; a memory for storage; a battery for supplying power; and a controller connected to the motion sensor, microphone, wireless communication module, memory and battery respectively and configured to switch on or off the microphone and the wireless communication module according to signals provided by the motion sensor, and control the wireless communication module to transmit sound files wirelessly. The detector is designed and sized to be attached to the vehicle door. The detector is easy to use, easy to install, yet affordable for detecting the lock status of the vehicle and show the lock status on the driver's smart phone even if he/she has walked away.

Abstract: A camera system for filming a golf game comprises a camera module for capturing images; a pan-tilt head pivotally connected to the camera module and configured to rotate the camera module horizontally and vertically; a circuit board connected to the camera module and the pan-tilt head and configured to control the camera module and the pan-tilt head; a sensor unit sensing the direction, vertical angle, and horizontal angle of the camera module; and a central processing unit connected to the camera module, the pan-tilt head and the sensor unit. The present invention also provides a method for filming a golf game by using the camera system.

Abstract: A detector, system and method for detecting vehicle lock status are provided. The detector comprises a motion sensor configured to sense vehicle door open and close movement; a microphone configured to record sound patterns generated with targeted events; a wireless communication module; a memory for storage; a battery for supplying power; and a controller connected to the motion sensor, microphone, wireless communication module, memory and battery respectively and configured to switch on or off the microphone and the wireless communication module according to signals provided by the motion sensor, and control the wireless communication module to transmit sound files wirelessly. The detector is designed and sized to be attached to the vehicle door. The detector is easy to use, easy to install, yet affordable for detecting the lock status of the vehicle and show the lock status on the driver's smart phone even if he/she has walked away.