Electro-acoustic transducer
Номер патента: CA1165248A
Опубликовано: 10-04-1984
Автор(ы): Koji Nageno, Shingo Watanabe, Yoshihiro Yokoyama
Принадлежит: Sony Corp
Опубликовано: 10-04-1984
Автор(ы): Koji Nageno, Shingo Watanabe, Yoshihiro Yokoyama
Принадлежит: Sony Corp
Реферат: ABSTRACT OF THE DISCLOSURE An electro-acoustic transducer having a casing to house within it an electro-acoustic transducer element, formed enough in size to engage with a concave portion of an auricle, at least two points of which are supported by one portion of the auricle when engaged with the concave portion of the auricle and a cord supporting member elongated from the casing so as to closely contact with an external surface of the auricle positioned lower than each supporting point of the casing, and supporting an external connection cord led from the electro-acoustic transducer element.
Electro-acoustic transducers
Номер патента: SG64388G. Автор: . Владелец: Sony Corp. Дата публикации: 1989-03-10.