FR351897A - Appareil téléphonique - Google Patents

Appareil téléphonique

Info

Publication number
FR351897A
FR351897A FR351897DA FR351897A FR 351897 A FR351897 A FR 351897A FR 351897D A FR351897D A FR 351897DA FR 351897 A FR351897 A FR 351897A
Authority
FR
France
Prior art keywords
telephone device
telephone
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
Other languages
English (en)
Inventor
Robert Bines
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR351897A publication Critical patent/FR351897A/fr
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR351897D 1905-02-28 1905-02-28 Appareil téléphonique Expired FR351897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR351897T 1905-02-28

Publications (1)

Publication Number Publication Date
FR351897A true FR351897A (fr) 1905-07-28

Family

ID=1400180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR351897D Expired FR351897A (fr) 1905-02-28 1905-02-28 Appareil téléphonique

Country Status (1)

Country Link
FR (1) FR351897A (fr)

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