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Publication of CH17034ApublicationCriticalpatent/CH17034A/de
G04C21/00—Producing acoustic time signals by electrical means
G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
G04C21/22—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the arbor of a mechanical alarm work
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CH17034A1898-10-261898-10-26Einrichtung an Uhrwerken, insbesondere Weckeruhren, zur selbstthätigen Einschaltung eines elektrischen Stromes
CH17034A
(de)
Elektrische schaltungsvorrichtung zur erkennung eines nichtgeöffneten schaltkontaktes sowie einer schutzleiterunterbrechung in einer ein- oder mehrphasigen elektrischen zuleitung
comutador de derivação de carga, método para acionamento de um comutador de derivação de carga e instalação elétrica com comutador de derivação de carga