Technical standards Technical standards include basic technical standards, product standards, process standards, testing and test method standards, and safety, health, and environmental protection sta...

CD CD stands for compact laser disc, a general term used for all CD media formats. The CD formats available on the market include audio CD, CD-ROM, CD-ROM XA, photo CD, CD-I and video CD and so on. A...

Photoelectric boards refer to PCBs used for LCD and other purposes, and have very strict requirements on size. A row of golden fingers is designed on the photoelectric board, and the area runs through...

Introduction Also known as an inverted open-hole box, a low-frequency radiation speaker is a type of speaker with an inverted hole (slot) on the speaker panel. Because of the holes, the sound inside...

Video signal There are three formats of analog video: NTSC system used in North America, Japan and other places, PAL system used in Western Europe, China and other places, and Eastern Europe, Russia...

DVD rewriting speed: DVD rewriting speed refers to the maximum recording speed at which a DVD burner burns a DVD recording disc of the corresponding specification, and when data is stored on the disc,...

Introduction Overviewmy country is a rich country with magnesium mines, and its mineral resources account for 50% of the world's magnesium mines. The world's magnesium mine market has been impacted...

What is an adjustment mechanism? It is a strain and adjustment process based on an interest mechanism. This kind of adjustment has both macro adjustment and micro adjustment; both overall adjustment...

Overview of quotas It refers to the amount of labor required to produce a certain amount of qualified products or complete a certain amount of work for workers under certain production technology and...

Introduction In general, the LED video processor is a dedicated video processor for LEDs. And the task it needs to complete, in simple terms, is to convert the image signal from the outside (such as...

Announcement time In 2008, it was approved and released by the National Scientific and Technical Terms Review Committee. Source "Terms of Information Science and Technology on Both Sides of the Tai...

Basic concepts The English spelling of hard disk data transfer rate is Data Transfer Rate, or DTR for short. The data transfer rate of the hard disk expresses the data transfer speed when the hard d...

Introduction Users can choose all-optical port configuration or optical-electrical port hybrid configuration, and access to optical fiber media can be single-mode fiber or multi-mode fiber. The swi...

Introduction The popularity and demand of USB external devices. In September 1998, USBIF proposed the USB1.1 specification to amend USB1.0, mainly amending small technical details, with a bandwidth o...

Introduction Manchester encoding is a bi-phase encoding. It also expresses "0" or "1" by switching between high and low levels, and the level conversion between each bit represents the data code and...