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AU481383B2 - Multifrequency dialing signal receiver for pushbutton type telephone systems - Google Patents
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AU481383B2 - Multifrequency dialing signal receiver for pushbutton type telephone systems - Google Patents

Multifrequency dialing signal receiver for pushbutton type telephone systems

Info

Publication number
AU481383B2
AU481383B2 AU66295/74A AU6629574A AU481383B2 AU 481383 B2 AU481383 B2 AU 481383B2 AU 66295/74 A AU66295/74 A AU 66295/74A AU 6629574 A AU6629574 A AU 6629574A AU 481383 B2 AU481383 B2 AU 481383B2
Authority
AU
Australia
Prior art keywords
signal receiver
telephone systems
type telephone
dialing signal
pushbutton type
Prior art date
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.)
Expired
Application number
AU66295/74A
Other versions
AU6629574A (en
Inventor
Niwa Kunihiko
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 of AU481383B2 publication Critical patent/AU481383B2/en
Priority claimed from JP2671073A external-priority patent/JPS5733758B2/ja
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of AU6629574A publication Critical patent/AU6629574A/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU66295/74A 1973-03-06 1974-03-05 Multifrequency dialing signal receiver for pushbutton type telephone systems Expired AU481383B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP26710/73 1973-03-06
JP2671073A JPS5733758B2 (en) 1973-03-06 1973-03-06

Publications (2)

Publication Number Publication Date
AU481383B2 true AU481383B2 (en)
AU6629574A AU6629574A (en) 1975-09-11

Family

ID=

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