EP 0518437 B1 19940914 - Birth alarm for livestock.
Title (en)
Birth alarm for livestock.
Title (de)
Vieh-Geburtsmelder.
Title (fr)
Dispositif d'alarme de parturition pour animaux d'élevage.
Publication
Application
Priority
NL 9100994 A 19910610
Abstract (en)
[origin: EP0518437A1] A wireless birth alarm for livestock, such as mares, cows or ewes, comprising position sensing and signal emitting means to be secured to the animal, which means close a contact and emit a signal when the animal takes up a position that may be characteristic of the onset of parturition for that animal, as well as a signal receiver comprising a circuit which, upon receiving an uninterrupted signal, after a settable threshold interval has elapsed, can activate an alarm, wherein at the receiver the circuit can be set in a position where the alarm is only activated if the continuously received signal is interrupted for a period of time the length of which depends on the animal species and then resets again. <IMAGE>
IPC 1-7
IPC 8 full level
A61D 17/00 (2006.01)
CPC (source: EP)
A61D 17/008 (2013.01)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0518437 A1 19921216; EP 0518437 B1 19940914; DE 69200408 D1 19941020; DE 69200408 T2 19950216; NL 9100994 A 19930104
DOCDB simple family (application)
EP 92201671 A 19920609; DE 69200408 T 19920609; NL 9100994 A 19910610