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
G08B9/00—Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F30/00—Fixed transformers not covered by group H01F19/00
H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
H01F30/08—Fixed transformers not covered by group H01F19/00 characterised by the structure without magnetic core
Landscapes
Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Circuit Arrangement For Electric Light Sources In General
(AREA)
Anordnung zum gleichzeitigen Einstellen von Zeichen und Zahlen an mehreren Empfaengern unter Benutzung einer als Geber ausgebildeten Stromunterbrechereinrichtung