PERSONAL HEADPHONES SOUND TRANSMISSION

Brand Owner Address Description
ACTTO actto corporation 9, Sasang-ro 355beon-gil, Sasang-gu Busan 46946 Republic of Korea personal headphones for sound transmission instruments; wireless sound transmission device in the nature of headphones, earphones, Headsets for use with computers; mobile phones; mobile phone cases; mobile phone keyboards; hands-free earphones for mobile phones; hands-free kit for phones; mobile phones headsets; personal computers; blank optical discs; optical disk drives; optical scanners; notebook computers; multifunctional mechanical keyboards; data-processing equipment; cases for diskettes and compact disks; disc memory; digital disc drives; digital signal processors; digital input and output scanners; digital color copiers; digital color printers for documents; laptop computers; laser document printers; motherboards; computer mouse; mouse pads; microprocessors; memory expansion modules; memory boards; luminous pointers; color printers for documents; computers; computer memory devices; computer monitors; computer disk drives; wrist rests for computer use; interfaces for computers; magnetic tape units for computers; juke boxes for computers; document printer for computers; floppy disc drives for computers; computer peripherals; computer keyboards; card readers for credit cards; electronic desk calculators; automatic solar tracking sensors; touch panels; touch pads; computers for communications; trackballs; portable pocket computer; blank floppy computer discs; floppy disk drives; portable computers for note-taking; Hologram apparatus; portable document scanners; pocket calculators; pocket calculator cases; portable electronic translators; cart for computers in the nature of metal tower cart with wheels specially adapted for computers;housing agencies; real estate agency services;Import and export agencies; retail store services featuring stationery; import and export agency services in the field of stationery; retail store services featuring office supplies; wholesale store services and retail stores services featuring office supplies;lecterns, seats, stands for calculating machines, metal seats, metal tables, divans, lounge chairs, head-rests, footstools, non-metal furniture casters, non-metal furniture fittings, office furniture, office seats, office desks, office tables, three-mirror dressing tables, furniture for displaying goods, bookshelves, file cabinets, shelves for file cabinets, newspaper display stands, armchairs, massage tables, audio racks in the nature of furniture, chairs, magazine racks, cots, folding shelves, folding beds, display stands, book stands, desks, bookcases, reclining armchairs, armchair, portable deck chairs, rocking chairs;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. The invention relates to headphones. Such headphones always comprise at least one, preferably two, earpieces which are each equipped with a reproduction transducer. Furthermore, appropriate earpieces also comprise an ear cushion, which either encloses the user's ear when the headphones are put on or lies on the ear. The object of the present invention is to solve the problems of prior art arrangements and find a simple embodiment for the headphones. Headphones having at least one headphones earpiece, which comprises a reproduction system and ear cushions, the latter enclosing the ear or lying on it, a front volume and a rear volume being determined by the reproduction system, the front volume being essentially determined between the reproduction system and the volume enclosed by ear cushions and head and the rear volume being essentially the volume which is determined by the reproduction system and the housing of the headphones earpiece, the front and the rear volumes being connected by an acoustic resistor. The acoustic resistor is situated inside the housing of the headphones earpiece beneath the plane which is determined by the sound outlet aperture of the reproduction transducer.