EP 0141294 A2 19850515 - Device suitable for detecting changes in the state of rest or of rectilinear uniform motion of a body.
Title (en)
Device suitable for detecting changes in the state of rest or of rectilinear uniform motion of a body.
Title (de)
Einrichtung geeignet, um Veränderungen in dem Zustand von Ruhe oder geradliniger, gleichförmiger Bewegung eines Gegenstandes zu detektieren.
Title (fr)
Dispositif approprié pour la détection des changements dans l'état de repos ou de mouvement rectiligne uniforme d'un ojet.
Publication
Application
Priority
IT 8363583 A 19831021
Abstract (en)
Device suitable for detecting changes of the state of rest or of rectilinear uniform motion of a body, composed of a hollow member (1) rigidly joined to said body and containing one or more mobile elements (2), of suitable means (7) for emitting ultra-sounds of a determinate frequency into the interior of the hollow member, and of suitable transducers (8) for receiving said ultra-sounds, so that by any changes of the state of the body the interior element or elements (2) move relative to the hollow member (1) and cause for this reason a change of frequency of the ultra-sounds picked up by said receiving transducers (8).
IPC 1-7
IPC 8 full level
G08B 13/02 (2006.01); G08B 13/14 (2006.01); G08B 13/16 (2006.01)
CPC (source: EP)
G08B 13/02 (2013.01); G08B 13/1436 (2013.01); G08B 13/1609 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
EP 0141294 A2 19850515; EP 0141294 A3 19860611; EP 0141294 B1 19890906; AT E46227 T1 19890915; DE 3479690 D1 19891012; IT 1175163 B 19870701; IT 8383635 A0 19831021
DOCDB simple family (application)
EP 84111989 A 19841005; AT 84111989 T 19841005; DE 3479690 T 19841005; IT 8363583 A 19831021