Abstract: Disclosed is a vertical stand for mobile terminals, which includes: a base, a movable base, and a supporting frame. The base includes a first blocking plate. The movable base is arranged on the base and includes a second blocking plate and a first protrusion, a clamping groove for placing a tablet computer is formed between the second blocking plate and the first blocking plate, and a placing groove for placing a mobile phone is formed between the second blocking plate and the first protrusion. A first end of the supporting frame is connected to a bottom surface of the base, and a second end of the supporting frame is provided with a second protrusion, so that the supporting frame, the first blocking plate and/or the second blocking plate are able to support a laptop computer together.

Abstract: A channel change method, device, and system are provided. One channel change method includes: in a channel change process, reassembling Program Specific Information for decoding media data into a Real-time Transport Protocol packet, in which a stream feature of the Real-time Transport Protocol packet is the same as a stream feature of a Real-time Transport Protocol packet carrying the media data; sending the Real-time Transport Protocol packet carrying the Program Specific Information to a terminal apparatus, and subsequently, sending the Real-time Transport Protocol packet carrying the media data to the terminal apparatus.

Abstract: A fasten device for tire pressure alarm transmitter, which comprises a fasten base for fastening a valve core style transmitter, and a strip for binding the fasten base on wheel rim, wherein: the fasten base has a board shaped support portion, and a hole for accepting the strip to drill through is set on the support portion; a securing board is set on the middle portion of the support portion, and a position slot that matches with the valve core of the transmitter is excavated on the securing board; and a buckle that matches with the securing board is set on one end of the support portion to fasten the transmitter corporately. As the fasten base having a support portion, a buckle and a securing board with position slot are provided on the support portion.

Abstract: The present invention relates to a fasten device for tire pressure alarm transmitter, which comprises a fasten base for fastening a valve core style transmitter, and a strip for binding the fasten base on wheel rim, wherein: the fasten base has a board shaped support portion, and a hole for accepting the strip to drill through is set on the support portion; a securing board is set on the middle portion of the support portion, and a position slot that matches with the valve core of the transmitter is excavated on the securing board; and a buckle that matches with the securing board is set on one end of the support portion to fasten the transmitter corporately. As the fasten base having a support portion, a buckle and a securing board with position slot are provided on the support portion, the valve core of the transmitter can be fixed inside the position slot, and the transmitter is fastened on the fasten base by the buckle together with the securing board, then it is installed on the wheel rim by the strip.