FR1045172A - New speakerphone-headset for telephone - Google Patents

New speakerphone-headset for telephone

Info

Publication number
FR1045172A
FR1045172A FR1045172DA FR1045172A FR 1045172 A FR1045172 A FR 1045172A FR 1045172D A FR1045172D A FR 1045172DA FR 1045172 A FR1045172 A FR 1045172A
Authority
FR
France
Prior art keywords
speakerphone
headset
telephone
new
new speakerphone
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
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.)
Albiswerk Zuerich AG
Original Assignee
Albiswerk Zuerich AG
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 Albiswerk Zuerich AG filed Critical Albiswerk Zuerich AG
Application granted granted Critical
Publication of FR1045172A publication Critical patent/FR1045172A/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1045172D 1951-11-15 1951-11-15 New speakerphone-headset for telephone Expired FR1045172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1045172T 1951-11-15

Publications (1)

Publication Number Publication Date
FR1045172A true FR1045172A (en) 1953-11-24

Family

ID=9591515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045172D Expired FR1045172A (en) 1951-11-15 1951-11-15 New speakerphone-headset for telephone

Country Status (1)

Country Link
FR (1) FR1045172A (en)

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