A platen is a piece of metal whose thickness is small and has a rectangle shape. The term is usually used to refer to sheets or metal plates that are used in the sector of profiles (products used in civil works structures and constructions).
The plates are usually sold in standardized sizes. This facilitates its transport and handling. Beyond this standardization, the plates are very varied since they can be manufactured with different materials and have various surface applications.
A plate, in this frame, can be given a special finish to provide protection against corrosion . Thus, a plate with a special treatment acquires additional characteristics.
The dictionary of the Royal Spanish Academy (RAE ), on the other hand, indicates that the notion of plate can be used to name the device that enables the cassette recording and playback (small plastic frames that house a tape recorder).
The plate, therefore, is part of a team of Audio where is it possible to enter a Magnetic tape for play and / or record sound . It is a compartment with the mechanism that allows starting, controls and magnetic heads.
With the plates, in short, the recording and analogue magnetic reproduction of the sound . When a team combines the reproductive deck with a recording deck, it is known as double deck equipment .
The double deck equipment (also called of double cassette ) were used, decades ago, to duplicate the cassettes, recording the contents of one another. This was one of the most common resources for the acquisition of music : A person receiving a borrowed cassette could record it in another virgin and thus have their own copy.