FR1367946A - Perfectionnement aux casques téléphoniques - Google Patents

Perfectionnement aux casques téléphoniques

Info

Publication number
FR1367946A
FR1367946A FR946127A FR946127A FR1367946A FR 1367946 A FR1367946 A FR 1367946A FR 946127 A FR946127 A FR 946127A FR 946127 A FR946127 A FR 946127A FR 1367946 A FR1367946 A FR 1367946A
Authority
FR
France
Prior art keywords
development
telephone headsets
headsets
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
FR946127A
Other languages
English (en)
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.)
Airmed Ltd
Original Assignee
Airmed Ltd
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 Airmed Ltd filed Critical Airmed Ltd
Priority to FR946127A priority Critical patent/FR1367946A/fr
Application granted granted Critical
Publication of FR1367946A publication Critical patent/FR1367946A/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR946127A 1963-08-30 1963-08-30 Perfectionnement aux casques téléphoniques Expired FR1367946A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR946127A FR1367946A (fr) 1963-08-30 1963-08-30 Perfectionnement aux casques téléphoniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946127A FR1367946A (fr) 1963-08-30 1963-08-30 Perfectionnement aux casques téléphoniques

Publications (1)

Publication Number Publication Date
FR1367946A true FR1367946A (fr) 1964-07-24

Family

ID=8811455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946127A Expired FR1367946A (fr) 1963-08-30 1963-08-30 Perfectionnement aux casques téléphoniques

Country Status (1)

Country Link
FR (1) FR1367946A (fr)

Similar Documents

Publication Publication Date Title
FR1397060A (fr) Microphone digital
CH408124A (it) Apparecchio telefonico
AT247437B (de) Lautsprecher
CH418401A (de) Elektroakustischer Wandler
FR1365676A (fr) Microphone électrostatique
FR1372895A (fr) Perfectionnements aux combinés microtéléphoniques
FR1367946A (fr) Perfectionnement aux casques téléphoniques
AT235918B (de) Elektroakustischer Wandler
CH407233A (de) Elektroakustischer Wandler
FR1415375A (fr) Perfectionnement apporté aux contacteurs électriques
FR1363383A (fr) Perfectionnement apporté aux ceintures
FR1290148A (fr) Perfectionnement aux haut-parleurs électrodynamiques
FR1375245A (fr) Microphone stéréophonique
FR1346451A (fr) Perfectionnements aux étuis pour le maquillage
FR90647E (fr) Tonalité de sonnerie téléphonique
FR1414686A (fr) Tonalité de sonnerie téléphonique
FR1367554A (fr) Reproducteur du son
FR1375246A (fr) Haut-parleur stato-dynamique
FR1320220A (fr) Perfectionnements aux haut-parleurs électrodynamiques
AT256951B (de) Dynamisches Schwingspulenmikrophon
AT240446B (de) Elektroakustischer Wandler
FR1366776A (fr) Numéroteur
FR1320178A (fr) Perfectionnement aux dispositifs téléphoniques
FR1377071A (fr) Perfectionnements aux récepteurs téléphoniques portatifs
FR1332315A (fr) Haut-parleur électrodynamique