Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PREHN PIZA RICHARD
Original Assignee
PREHN PIZA RICHARD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PREHN PIZA RICHARDfiledCriticalPREHN PIZA RICHARD
Priority to ES0023357UpriorityCriticalpatent/ES23357Y/es
Publication of ES23357UpublicationCriticalpatent/ES23357U/es
Application grantedgrantedCritical
Publication of ES23357YpublicationCriticalpatent/ES23357Y/es
Switches That Are Operated By Magnetic Or Electric Fields
(AREA)
Auxiliary Devices For Music
(AREA)
Keying Circuit Devices
(AREA)
Abstract
Aparato de alarma, caracterizado por comprender un interruptor eléctrico constituido por un contacto fijo y otro capaz de oscilar por la acción de un contrapeso fijado al mismo, cuando el aparato recibe cualquier sacudida o vibración por ligera que esta sea, cuya oscilación base que se toquen ambos contactos cerrando un circuito eléctrico que acciona una señal.
ES0023357U1950-04-261950-04-26Aparato de alarma
ExpiredES23357Y
(es)