Headphones are the symbol of people's personal stereo. Headphones are a pair of conversion units, which receive the electrical signals sent by media players or receivers and convert them into audible sound waves by speakers close to the ears. Headphones are generally detachable from the media player and connected by a plug. The advantage is that you can listen to the stereo alone without affecting others; It can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studio, DJ, travel and sports. Headphones were originally used for telephones and radios, but with the popularity of portable electronic devices, headphones are mostly used in mobile phones, walkman, radios, portable video games and digital audio players.

There are two standards for mobile phone headphones: OMTP standard is usually called national standard, and CTIA is called international standard. Headphones are classified according to their energy conversion modes, mainly including moving coil mode, moving iron mode, electrostatic mode and equal magnetic mode. According to the structure and function, it can be divided into semi-open and closed; From the form of wearing, there are ear plug type, ear hanging type, in-ear type and head wearing type; From the number of wearers, there are single-person headphones and multi-person headphones; From the sound source, it can be divided into active headphones and passive headphones; Active headphones are also often called plug-in headphones. In the face of such an industry market with great development potential, to establish a brand and face the market, we should start with brand trademark registration. When registering a trademark for a brand, the first step is to find out the trademark category of the goods. Therefore, in the 45 categories of trademark classification, which category does the earphone trademark registration belong to?

in the encyclopedia of trademark classification, we know that, Headphones belong to the ninth category of scientific instruments

98 audio-visual equipment

C937 Headphones In-ear Headphones 9818 Earpads for Headphones Phone Headphones Music Headphones Noise Reduction Headphones 9671 Headphones Phone Headphones Sockets Dust Plug

Wireless Headphones for Smartphones Mobile Phones Headphones Headphones 9835 Headphones for long-distance communication with computers. Headphones for virtual reality games Personal headphones for voice transmission equipment

Personal headphones for use with voice transmission equipment 977 Recorder 9192 Record Player 9462 Record Player Needle 9536 Video Recorder Radio 912 Photoelectric transmission materials

Headphone patch cord 919 Safety rescue equipment

941 Earplugs for diving 91 Computer and its external equipment

Computer case. Computer special cabinet 9372 computer 97 communication navigation equipment

mobile phone p>9734 switch 973 mobile phone with mobile phone case pager 92 recording and counting detector

sales terminal (POS machine) 9173 money detector 9525 cash register 93 other office machinery (excluding typewriters, credit writers and mimeographs) <