BE336202A - - Google Patents

Info

Publication number
BE336202A
BE336202A BE336202DA BE336202A BE 336202 A BE336202 A BE 336202A BE 336202D A BE336202D A BE 336202DA BE 336202 A BE336202 A BE 336202A
Authority
BE
Belgium
Application number
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.)
Publication of BE336202A publication Critical patent/BE336202A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BE336202D 1925-10-23 BE336202A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64293A US1689598A (en) 1925-10-23 1925-10-23 Telephone substation circuits

Publications (1)

Publication Number Publication Date
BE336202A true BE336202A (xx)

Family

ID=22054919

Family Applications (1)

Application Number Title Priority Date Filing Date
BE336202D BE336202A (xx) 1925-10-23

Country Status (5)

Country Link
US (1) US1689598A (xx)
BE (1) BE336202A (xx)
DE (1) DE583007C (xx)
GB (1) GB260214A (xx)
NL (1) NL21064C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE483204A (xx) * 1947-11-04

Also Published As

Publication number Publication date
DE583007C (de) 1933-08-26
US1689598A (en) 1928-10-30
NL21064C (xx)
GB260214A (en) 1927-10-12

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