EP 0372883 A3 19910403 - HEADPHONE DEVICE
Title (en)
HEADPHONE DEVICE
Publication
Application
Priority
JP 30579288 A 19881202
Abstract (en)
[origin: EP0372883A2] A headphone device designed to cooperate with the concha of the auditory meatus of the human ear. The headphone device includes a housing (51) containing a speaker, a projection (53) extending from the housing (51) and fitting into the concha of the human ear, an opening (54) formed in the projection (53) at a location facing towards the auditory meatus of the human ear and a headband (41) for supporting the housing (51) in proximity to the human ear.
IPC 1-7
IPC 8 full level
H04R 1/10 (2006.01)
CPC (source: EP)
H04R 1/1016 (2013.01); H04R 1/345 (2013.01); H04R 5/0335 (2013.01)
Citation (search report)
- [X] US 3796841 A 19740312 - GORMAN A
- [X] US 2501107 A 19500321 - JOHN VOLKMANN
- [A] FR 2547152 A1 19841207 - SONY CORP [JP]
- [A] US 2337953 A 19431228 - WIRSCHING ROBERT E
- [A] DE 2353708 A1 19750507 - SENNHEISER ELECTRONIC
- [XP] GB 2217147 A 19891018 - TOSHIBA KK [JP]
- [A] PATENT ABSTRACTS OF JAPAN, vol. 10, no. 11 (E-374)[2068], 17th January 1986; & JP-A-60 173 995 (MATSUSHITA DENKI SANGYO K.K.) 07-09-1985
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0372883 A2 19900613; EP 0372883 A3 19910403; AU 4586889 A 19900719; CA 2004558 A1 19900602; JP H02152396 A 19900612
DOCDB simple family (application)
EP 89312615 A 19891204; AU 4586889 A 19891204; CA 2004558 A 19891204; JP 30579288 A 19881202