EP 0858844 A3 20001004 - Sonic head
Title (en)
Sonic head
Title (de)
Schallkopf
Title (fr)
Tête sonore
Publication
Application
Priority
DE 19705321 A 19970212
Abstract (en)
[origin: EP0858844A2] The ultrasound transducer head (1) has a housing (2) enclosing an internal system (3) with a ceramic piezo-element (4) at the base of the housing and an overlying damping element (10). The piezo-element is coupled to a terminal tag (8) projecting from the housing, for connection to an external electronic circuit, with the internal system secured in the housing via a retaining ring (15) fitting into a reception groove (16) provided by the inside wall of the housing.
IPC 1-7
IPC 8 full level
G10K 9/122 (2006.01); G10K 11/00 (2006.01)
CPC (source: EP)
G10K 11/004 (2013.01)
Citation (search report)
- [X] DE 3826799 A1 19900208 - SWF AUTO ELECTRIC GMBH [DE]
- [A] US 4705981 A 19871110 - INOUE JIRO [JP], et al
- [DA] US 3890423 A 19750617 - ZACHARIAS JR ELLIS M
- [A] GB 2282932 A 19950419 - MURATA MANUFACTURING CO [JP]
- [A] US 4326274 A 19820420 - HOTTA MITSUHIKO, et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 372 (P - 1091) 10 August 1990 (1990-08-10)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0858844 A2 19980819; EP 0858844 A3 20001004; EP 0858844 B1 20020612; AT E219276 T1 20020615; DE 59804376 D1 20020718; DK 0858844 T3 20021007
DOCDB simple family (application)
EP 98102214 A 19980209; AT 98102214 T 19980209; DE 59804376 T 19980209; DK 98102214 T 19980209