EP 1283516 A3 20080730 - Ultrasonic transducer with a drivable membrane and with a piezo-vibrator arranged on the membrane
Title (en)
Ultrasonic transducer with a drivable membrane and with a piezo-vibrator arranged on the membrane
Title (de)
Ultraschallwandler mit einer zur Schwingung anregbaren Membran und mit einem auf der Membranfläche angeordneten Piezoschwinger
Title (fr)
Transducteur à ultrasons avec une membrane entraînable et avec un vibreur piézoélectrique disposé sur cette membrane
Publication
Application
Priority
DE 10138892 A 20010808
Abstract (en)
[origin: EP1283516A2] An ultrasonic transducer (10) has an oscillating membrane comprising a thin longitudinal membrane surface (14) on which is located at least one piezo-oscillator (28). The membrane surface (14) has at least one 'nip' or 'pinch' (20,22) on its long sides.
IPC 8 full level
G10K 9/122 (2006.01); G10K 9/125 (2006.01)
CPC (source: EP)
G10K 9/122 (2013.01); G10K 9/125 (2013.01)
Citation (search report)
- [X] DE 3721209 A1 19890105 - VEGA GRIESHABER GMBH & CO [DE]
- [X] DE 19507650 A1 19960912 - VERPOORTEN GREGOR [DE]
- [X] US 5834877 A 19981110 - BUISKER RAYMOND A [US], et al
- [X] DE 19614885 C1 19970904 - BOSCH GMBH ROBERT [DE]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated extension state (EPC)
AL LT LV MK RO SI
DOCDB simple family (publication)
EP 1283516 A2 20030212; EP 1283516 A3 20080730; EP 1283516 B1 20160706; DE 10138892 A1 20030220
DOCDB simple family (application)
EP 02013779 A 20020621; DE 10138892 A 20010808