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.)
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 filedfiledCritical
Priority to JP7652376ApriorityCriticalpatent/JPS533106A/ja
Publication of JPS533106ApublicationCriticalpatent/JPS533106A/ja
Publication of JPS5528624B2publicationCriticalpatent/JPS5528624B2/ja
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/30—Devices which can set up and transmit only one digit at a time
H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators
(AREA)
JP7652376A1976-06-301976-06-30Telephon set oscillator
GrantedJPS533106A
(en)
