FR466706A - Perfectionnements aux signaux téléphoniques - Google Patents

Perfectionnements aux signaux téléphoniques

Info

Publication number
FR466706A
FR466706A FR466706A FR466706DA FR466706A FR 466706 A FR466706 A FR 466706A FR 466706 A FR466706 A FR 466706A FR 466706D A FR466706D A FR 466706DA FR 466706 A FR466706 A FR 466706A
Authority
FR
France
Prior art keywords
telephone signals
telephone
signals
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
FR466706A
Other languages
English (en)
Inventor
Michisuye Suwa
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 FR466706A publication Critical patent/FR466706A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR466706A 1913-11-10 1913-12-29 Perfectionnements aux signaux téléphoniques Expired FR466706A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191325720T 1913-11-10

Publications (1)

Publication Number Publication Date
FR466706A true FR466706A (fr) 1914-05-22

Family

ID=32580490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR466706A Expired FR466706A (fr) 1913-11-10 1913-12-29 Perfectionnements aux signaux téléphoniques

Country Status (2)

Country Link
FR (1) FR466706A (fr)
GB (1) GB191325720A (fr)

Also Published As

Publication number Publication date
GB191325720A (en) 1914-12-17

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