Patent ID: 7874874

Claim:
A connecting device having a built-in digital television tuner, adapted to be electrically connected to an electronic device for receiving digital television signals, the connecting device comprising: a base having a first port and a second port, a front end of the bottom of the first port having a stepped stopper, and its rear end having a plurality of troughs, inner walls on both sides of the first port being provided with two symmetrical grooves, the first port being assembled with a cover plate, both sides of the cover plate being provided with two symmetrical rails, the two rails sliding in the two grooves; a digital television tuner disposed in the first port, including: a circuit board comprising a receiving antenna for receiving digital television signals and a digital television tuning circuit for tuning the digital television signals received by the receiving antenna; a packaging body for packaging at least a part of the circuit board, the packaging body having a transparent upper casing and a transparent lower casing, one end of the upper casing extending to form two symmetrical rods, each of the two rods being provided with an insertion slot; a connecting portion between each rod and the upper casing being provided with a boss respectively, each of the two bosses being provided transversely with a supporting block; the interior of the lower casing having an accommodating space, one end of the lower casing having a protrusion, both sides of the protrusion being formed into notches to be assembled with the two bosses, the bottom of the lower casing having a stopping strip, a stepped portion being formed between the stopping strip and the bottom of the protrusion, the stepped portion being stopped by the stopper at a front end of one port; wherein the circuit board is assembled between the insertion slots and the supporting blocks, a front surface of the circuit board is electrically connected to the receiving antenna, and a rear surface thereof is electrically connected to the digital television tuning circuit, one end of the circuit board is electrically connected with a plurality of conductive pins assembled in the troughs; and a connector disposed in the second port.