Micro Audio Components Microphones Receivers Dynamic Speakers Magnetic Sounders NFT Series MLT Series MZT Series NAT Series QMB(ø12mm) Series QMX Series HGP Series RMX Series QMB(ø16mm) Series TMX Series TMX-H Series TMX-F Series Patents & Design rights Soldering and Washing etc Recommend temperature profile for lead-free solder Magnetic Buzzers
		Homepage > Products > Micro Audio Components > Magnetic Sounders > Patents & Design rights Product Country Right Registered No. MRT Series U.S. Patent 6628800 Japan Patent 3660843 NAT Series U.S. Patent 6587397 U.S. Design Des.453119 Japan Design 1122194 Japan Patent 3662190 NFT Series U.S. Patent 6907655 HGP Series CHINA Patent 93107429 QMB(ø12mm) Series Japan Patent 2592197 TMX Series U.S. Patent 6501845 U.S. Design Des.377936