IT1053904B - Accessorio a suoneria comandato da un codice per apparecchi telefonici - Google Patents

Accessorio a suoneria comandato da un codice per apparecchi telefonici

Info

Publication number
IT1053904B
IT1053904B IT4790476A IT4790476A IT1053904B IT 1053904 B IT1053904 B IT 1053904B IT 4790476 A IT4790476 A IT 4790476A IT 4790476 A IT4790476 A IT 4790476A IT 1053904 B IT1053904 B IT 1053904B
Authority
IT
Italy
Prior art keywords
circuit
frequency
code
control
telephone
Prior art date
Application number
IT4790476A
Other languages
English (en)
Original Assignee
Intertel Ii 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 Intertel Ii Inc filed Critical Intertel Ii Inc
Priority to IT4790476A priority Critical patent/IT1053904B/it
Application granted granted Critical
Publication of IT1053904B publication Critical patent/IT1053904B/it

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
IT4790476A 1976-02-02 1976-02-02 Accessorio a suoneria comandato da un codice per apparecchi telefonici IT1053904B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT4790476A IT1053904B (it) 1976-02-02 1976-02-02 Accessorio a suoneria comandato da un codice per apparecchi telefonici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4790476A IT1053904B (it) 1976-02-02 1976-02-02 Accessorio a suoneria comandato da un codice per apparecchi telefonici

Publications (1)

Publication Number Publication Date
IT1053904B true IT1053904B (it) 1981-10-10

Family

ID=11263249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4790476A IT1053904B (it) 1976-02-02 1976-02-02 Accessorio a suoneria comandato da un codice per apparecchi telefonici

Country Status (1)

Country Link
IT (1) IT1053904B (it)

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