EP 0710427 B1 19970326 - SOUND PICK-UP AND REPRODUCTION APPARATUS AND USE THEREOF FOR CONFERENCE CALLS
Title (en)
SOUND PICK-UP AND REPRODUCTION APPARATUS AND USE THEREOF FOR CONFERENCE CALLS
Title (de)
SCHALLAUFNAHME-UND-WIEDERGABEGERÄT, UND SEINE ANWENDUNG FÜR AUDIOKONFERENZEN
Title (fr)
APPAREIL DE PRISE ET DE RESTITUTION DE SON, ET SON APPLICATION A L'AUDIO-CONFERENCE
Publication
Application
Priority
- FR 9400188 W 19940218
- FR 9303216 A 19930319
Abstract (en)
[origin: WO9422277A1] A sound pick-up and reproduction apparatus (Aac) which is rotatable about an axis (D) and includes a mounting (1), a sound pick-up device (2) and a sound reproduction device (3) with a convex or planar surface (revolving cone) opposite the sound pick-up device. Said sound reproduction device (3) fits within a revolving cone (B' C A') of which the axis coincides with the axis of symmetry (D), and is directly attached to the mounting (1). The apparatus is useful for conference calls.
IPC 1-7
IPC 8 full level
H04R 1/34 (2006.01); H04R 27/00 (2006.01)
CPC (source: EP)
H04R 1/342 (2013.01); H04R 3/02 (2013.01); H04R 27/00 (2013.01)
Citation (examination)
WO 9307730 A1 19930415 - PRESCOM SARL [FR]
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9422277 A1 19940929; AU 6111194 A 19941011; DE 69402322 D1 19970430; DE 69402322 T2 19971023; EP 0710427 A1 19960508; EP 0710427 B1 19970326; ES 2100052 T3 19970601; FR 2702918 A1 19940923; FR 2702918 B1 19950512
DOCDB simple family (application)
FR 9400188 W 19940218; AU 6111194 A 19940218; DE 69402322 T 19940218; EP 94907599 A 19940218; ES 94907599 T 19940218; FR 9303216 A 19930319