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.)
HERMETIC ROSENTHAL & GmbH
Original Assignee
HERMETIC ROSENTHAL & GmbH
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
Priority to BE375498DpriorityCriticalpatent/BE375498A/xx
Application filed by HERMETIC ROSENTHAL & GmbHfiledCriticalHERMETIC ROSENTHAL & GmbH
Priority to GB3650630Aprioritypatent/GB368340A/en
Publication of GB368340ApublicationCriticalpatent/GB368340A/en
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Measuring Fluid Pressure
(AREA)
GB3650630A1930-12-031930-12-03Improvements in or relating to automatic telephone apparatus
ExpiredGB368340A
(en)