Abstract: A time-of-flight identification system and method for warehousing and freight transportation are provided by assembling an optical identification device in a container. The optical identification device includes a first, a second, and a third image capturing units, a beam receiving and calibrating unit, an estimation and processing unit, a transmission module and a power supply module. The optical identification device is connected to a monitoring device via signals; wherein the optical identification device is used to perform multi-segment space flight time identification method for logistics managers or inventory personnel to check whether inventory personnel correctly store the goods in storage space inside the container; to improve space utilization rate for the container. The present invention can be installed in: truck container, refrigerated truck container, truck rear cargo container, port centralized container, so as to promote cargo management efficiency and safety.

Abstract: A detachable lens structure and a method of manufacturing the same are disclosed. The detachable lens structure includes a front protection case, a back protection case, a front lid, a back lid, a lens, and a photo-sensing package module. The front protection case and the back protection case are detachably jointed together to form a space for accommodating the front lid, the back lid, the lens, and the photo-sensing package module. The front protection case is provided with a first opening aligning one end of the lens, and the front lid is provided with a second opening aligning the other end of the lens and a photo-sensing device of the photo-sensing package module. The back lid is provided with a third opening aligning a connection slot of the photo-sensing package module. The front and back lids are detachably connected to expose part of the connection slot.

Abstract: A multi-function Bluetooth® VoIP apparatus is adapted for conducting a talk over network with a network-accessible host. The multi-function Bluetooth® VoIP apparatus includes a memory module, a Bluetooth® module, a USB module, and a control module. In operation, the USB module is inserted into a USB port of the host. Then the control module logs in a VoIP system via a VoIP software program with a username and a password read from the memory module. Then, the Bluetooth® module transmits voice signals from a subscriber, who is calling or being called, via the VoIP system to a Bluetooth® wireless communication device. Also, the Bluetooth® module transmits voice signals from the Bluetooth® wireless communication device via the VoIP system to the subscriber.