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.)
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
G—PHYSICS
G08—SIGNALLING
G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
Fernmeldeanlage zur elektromagnetischen UEbertragung von Zahlen und Zeichen von einer Sendestelle aus auf eine oder mehrere Empfangsstellen, an welcher die Zahlen oder Zeichen sichtbar gemacht werden sollen