Global Patent Index - EP 1293041 A1

EP 1293041 A1 20030319 - RECURSIVE SAW-FILTER WITH A LOW CHIP LENGTH

Title (en)

RECURSIVE SAW-FILTER WITH A LOW CHIP LENGTH

Title (de)

REKURSIVES OFW-FILTER MIT GERINGER CHIPLÄNGE

Title (fr)

FILTRE RECURSIF A ONDES DE SURFACE A FAIBLE LONGUEUR DE PUCE

Publication

EP 1293041 A1 20030319 (DE)

Application

EP 01942991 A 20010430

Priority

  • DE 0101629 W 20010430
  • DE 10026074 A 20000525

Abstract (en)

[origin: WO0191293A1] The invention relates to a recursive surface wave filter with directed reflexion, characterized in that the desired transmission behavior is formed by superimposing the signals of three electrically connected individual tracks.

IPC 1-7

H03H 9/64

IPC 8 full level

H03H 9/00 (2006.01); H03H 9/25 (2006.01); H03H 9/64 (2006.01); H03H 9/02 (2006.01); H03H 9/145 (2006.01)

CPC (source: EP US)

H03H 9/0028 (2013.01 - EP US); H03H 9/0042 (2013.01 - EP US); H03H 9/14558 (2013.01 - EP US); H03H 9/14564 (2013.01 - EP US); H03H 9/14567 (2013.01 - EP US); H03H 9/14532 (2013.01 - EP US); H03H 9/14547 (2013.01 - EP US)

Citation (search report)

See references of WO 0191293A1

Designated contracting state (EPC)

AT BE CH CY DE FR GB LI

DOCDB simple family (publication)

WO 0191293 A1 20011129; DE 10026074 A1 20011129; DE 10026074 B4 20100218; EP 1293041 A1 20030319; JP 2003534698 A 20031118; US 2004041666 A1 20040304; US 6909342 B2 20050621

DOCDB simple family (application)

DE 0101629 W 20010430; DE 10026074 A 20000525; EP 01942991 A 20010430; JP 2001586778 A 20010430; US 29610003 A 20030616