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1. (WO1991009464) SURFACE WAVE REFLECTOR FILTER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/009464 International Application No.: PCT/EP1990/002192
Publication Date: 27.06.1991 International Filing Date: 14.12.1990
Chapter 2 Demand Filed: 14.12.1990
IPC:
H03H 9/145 (2006.01)
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
H
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
9
Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
02
Details
125
Driving means, e.g. electrodes, coils
145
for networks using surface acoustic waves
Applicants:
SIEMENS AKTIENGESELLSCHAFT [DE/DE]; Wittelsbacherplatz 2 D-80333 München, DE (AllExceptUS)
RUILE, Werner [DE/DE]; DE (UsOnly)
VISINTINI, Giuliano [IT/DE]; DE (UsOnly)
MACHUI, Jürgen [DE/DE]; DE (UsOnly)
Inventors:
RUILE, Werner; DE
VISINTINI, Giuliano; DE
MACHUI, Jürgen; DE
Agent:
SIEMENS AG; Postfach 221634 D-8000 München 22, DE
Priority Data:
P 39 42 148.120.12.1989DE
Title (DE) OBERFLÄCHENWELLEN-REFLEKTORFILTER
(EN) SURFACE WAVE REFLECTOR FILTER
(FR) FILTRE REFLECTEUR D'ONDES DE SURFACE
Abstract:
(DE) Oberflächenwellen-Reflektorfilter in in-line-Ausführung mit Eingangs-/Ausgangswandler-System (2, 12/4), bei dem direkter akustischer Signalübergang zwischen Eingang und Ausgang aufgehoben ist.
(EN) An in-line surface wave reflector filter has an input/output transducer system (2, 12/4) in which direct transmission of acoustic signals between input and output is abolished.
(FR) Un filtre réflecteur en ligne d'ondes de surface comprend un système transducteur d'entrée/sortie (2, 12/4) qui élimine la transmission directe de signaux acoustiques entre l'entrée et la sortie.
Designated States: CA, FI, JP, NO, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
FI922772NO19922417ES2070486EP0506777US5351022CA2070675