Semiconductor light emitting sources are formed to have a substrate, an active region layer having one or more quantum wells, optical confinement layers surrounding the active region layer, and a p-type cladding layer and an n-type cladding layer surrounding the confinement layers and the active region layer. The valve is provide with a waist. The air amount control valve includes an aluminum alloy housing having a valve hole and a rotatable valve body having a valve surface facing a fringe wall of the valve hole. A signal processing unit causes the antenna switch to connect the third port to the first port or to the second port and detects a signal captured by one of the antenna elements from the output of the third port. The network browser and the toolbar objects can receive and display content. Responsive to receiving a selection of the conversation stub, the process presents the conversation stub on a communication device selected from the set of communication devices.