FR1425164A - Improvements to telephone receivers - Google Patents

Improvements to telephone receivers

Info

Publication number
FR1425164A
FR1425164A FR6719A FR6719A FR1425164A FR 1425164 A FR1425164 A FR 1425164A FR 6719 A FR6719 A FR 6719A FR 6719 A FR6719 A FR 6719A FR 1425164 A FR1425164 A FR 1425164A
Authority
FR
France
Prior art keywords
telephone receivers
receivers
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
FR6719A
Other languages
French (fr)
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.)
Danfoss AS
Original Assignee
Danfoss AS
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
Priority claimed from DED43786A external-priority patent/DE1218529B/en
Application filed by Danfoss AS filed Critical Danfoss AS
Priority to FR6719A priority Critical patent/FR1425164A/en
Application granted granted Critical
Publication of FR1425164A publication Critical patent/FR1425164A/en
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)
FR6719A 1964-03-03 1965-02-23 Improvements to telephone receivers Expired FR1425164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6719A FR1425164A (en) 1964-03-03 1965-02-23 Improvements to telephone receivers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED43786A DE1218529B (en) 1964-03-03 1964-03-03 Telephones
FR6719A FR1425164A (en) 1964-03-03 1965-02-23 Improvements to telephone receivers

Publications (1)

Publication Number Publication Date
FR1425164A true FR1425164A (en) 1966-01-14

Family

ID=25971846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6719A Expired FR1425164A (en) 1964-03-03 1965-02-23 Improvements to telephone receivers

Country Status (1)

Country Link
FR (1) FR1425164A (en)

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