CH430800A - Disposizione circuitale per apparecchio telefonico specialmente adatta ad essere impiegata in apparecchi telefonici a dimensioni ridotte - Google Patents

Disposizione circuitale per apparecchio telefonico specialmente adatta ad essere impiegata in apparecchi telefonici a dimensioni ridotte

Info

Publication number
CH430800A
CH430800A CH1397264A CH1397264A CH430800A CH 430800 A CH430800 A CH 430800A CH 1397264 A CH1397264 A CH 1397264A CH 1397264 A CH1397264 A CH 1397264A CH 430800 A CH430800 A CH 430800A
Authority
CH
Switzerland
Prior art keywords
telephone sets
small size
circuit arrangement
specially adapted
sets
Prior art date
Application number
CH1397264A
Other languages
English (en)
Inventor
Dal Monte Giorgio Ing Dr
Postorino Pasquale Ing Dr
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of CH430800A publication Critical patent/CH430800A/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/58Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Coils Or Transformers For Communication (AREA)
CH1397264A 1963-11-27 1964-10-27 Disposizione circuitale per apparecchio telefonico specialmente adatta ad essere impiegata in apparecchi telefonici a dimensioni ridotte CH430800A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2417763 1963-11-27

Publications (1)

Publication Number Publication Date
CH430800A true CH430800A (it) 1967-02-28

Family

ID=11212378

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1397264A CH430800A (it) 1963-11-27 1964-10-27 Disposizione circuitale per apparecchio telefonico specialmente adatta ad essere impiegata in apparecchi telefonici a dimensioni ridotte

Country Status (10)

Country Link
US (1) US3404238A (it)
AT (1) AT251663B (it)
BE (1) BE656274A (it)
CH (1) CH430800A (it)
ES (1) ES306459A1 (it)
FI (1) FI41409B (it)
GB (1) GB1050226A (it)
LU (1) LU47453A1 (it)
NL (1) NL6412328A (it)
SE (1) SE325058B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB655774A (en) * 1950-05-15 1951-08-01 Standard Telephones Cables Ltd Improvements in or relating to telephone substation circuit
BE510745A (it) * 1951-04-18
DE1036929B (de) * 1955-10-14 1958-08-21 Krone Kg Gabelschaltung zum Anschluss von Zweidrahtleitungen unterschiedlicher Impedanz mit einem Differentialuebertrager

Also Published As

Publication number Publication date
LU47453A1 (it) 1965-01-27
AT251663B (de) 1967-01-10
ES306459A1 (es) 1965-05-01
GB1050226A (it)
US3404238A (en) 1968-10-01
SE325058B (it) 1970-06-22
BE656274A (it) 1965-03-16
NL6412328A (it) 1965-05-28
FI41409B (it) 1969-07-31

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