IT8020107A0 - CALL SIGNAL GENERATOR. - Google Patents

CALL SIGNAL GENERATOR.

Info

Publication number
IT8020107A0
IT8020107A0 IT8020107A IT2010780A IT8020107A0 IT 8020107 A0 IT8020107 A0 IT 8020107A0 IT 8020107 A IT8020107 A IT 8020107A IT 2010780 A IT2010780 A IT 2010780A IT 8020107 A0 IT8020107 A0 IT 8020107A0
Authority
IT
Italy
Prior art keywords
signal generator
call signal
call
generator
signal
Prior art date
Application number
IT8020107A
Other languages
Italian (it)
Other versions
IT1225552B (en
Inventor
John A Gauthier
David M Shaver
John R Ramsay
Original Assignee
Gte Automatic Electric Lab Inc
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 filed by Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Priority to IT8020107A priority Critical patent/IT1225552B/en
Publication of IT8020107A0 publication Critical patent/IT8020107A0/en
Application granted granted Critical
Publication of IT1225552B publication Critical patent/IT1225552B/en

Links

IT8020107A 1980-02-22 1980-02-22 Generation of telephone ringing signals IT1225552B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8020107A IT1225552B (en) 1980-02-22 1980-02-22 Generation of telephone ringing signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8020107A IT1225552B (en) 1980-02-22 1980-02-22 Generation of telephone ringing signals

Publications (2)

Publication Number Publication Date
IT8020107A0 true IT8020107A0 (en) 1980-02-22
IT1225552B IT1225552B (en) 1990-11-22

Family

ID=11163851

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8020107A IT1225552B (en) 1980-02-22 1980-02-22 Generation of telephone ringing signals

Country Status (1)

Country Link
IT (1) IT1225552B (en)

Also Published As

Publication number Publication date
IT1225552B (en) 1990-11-22

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