Patent ID: 8155369

Claim:
An ear hook microphone comprising: an ear hook, which comprising an injection position; a cable pole; a cable pole receiving device, which being fixed in said injection position, which comprising a fixed block groove, a pressing block groove, a cable pole groove, a button groove and an underlying flange; and a cable pole adjusting device, which being fixed in said cable pole receiving device, which including a fixed block, a pressing block, a button and a plurality of flexible members, the fixed block being fixed in said fixed block groove, which including a base plate, and a button hole being formed in the middle of the base plate, and two side plates upwardly extending from the two opposite ends of the base plate respectively, and each of the two side plates opening a through hole that allows the cable pole being able to pass through, the pressing block being fixed in said pressing block groove and placed between said two side plates; the button being fixed in said button groove, and the top end of the button inserting through said button hole then connecting with the pressing block, and the button comprising a bar, the top end of the bar having a perforated hole where the cable pole being able to insert, and an upborne flange protruding from the lower portion of the bar, and the upborne flange being placed on the underlying flange, one flexible member of the plurality of flexible members being sleeved on the bar, which being fixed and pressed between the upborne flange and the bottom wall of the base plate, and the other flexible members of the plurality of flexible members being fixed and pressed between the top wall of the pressing block groove and the pressing block; the cable pole being inserted into said two through holes and said perforated hole and fixed in the cable pole groove; said cable pole adjusting device further includes an inserting pin, and a groove is formed by inwardly digging from the bottom of the pressing block, and two opposite inserting holes are formed by respectively cutting in the wall of the pressing block around the groove, and the top end of the bar has a through hole corresponding to the two inserting holes, then the inserting pin is inserted through the two inserting holes and the through hole to force the button to connect the pressing block; said cable pole adjusting device includes three flexible members, the flexible members are springs, and two protruding pillars respectively protrude upwardly from the two ends of the top portion of the pressing block, and two springs of the three springs are respectively sleeved on the two protruding pillars, and the another spring the three springs is sleeved on the bar.