| 摘要 |
<p>The invention is a new built-in multi-purpose outlet unit with USB power supply, suited to be fixed to the known adapters for keystone units, comprising an electric/electronic circuit (A) for transforming the electric energy, provided with USB socket (B) and container casing (C, D, E). The container casing (C, D, E) encloses said circuit (A) and comprises at least one part having a parallelepiped projecting portion (E) corresponding to the keystone units, with a front hole (E2) or opening suited to house a socket or to allow the passage of a USB plug. The electric/electronic circuit (A) provides for transforming the mains current into 5 v direct current delivering it to the specified contacts of the USB socket (B).</p> |
