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FR756825A - Portable tutor for telephone receiver - Google Patents

Portable tutor for telephone receiver

Info

Publication number
FR756825A
FR756825A FR756825DA FR756825A FR 756825 A FR756825 A FR 756825A FR 756825D A FR756825D A FR 756825DA FR 756825 A FR756825 A FR 756825A
Authority
FR
France
Prior art keywords
tutor
portable
telephone receiver
telephone
receiver
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)
Inventor
Georges-Marius-Emile Boretti
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 filed Critical
Application granted granted Critical
Publication of FR756825A publication Critical patent/FR756825A/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
    • H04M1/04—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)
FR756825D 1933-06-13 1933-06-13 Portable tutor for telephone receiver Expired FR756825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR756825T 1933-06-13

Publications (1)

Publication Number Publication Date
FR756825A true FR756825A (en) 1933-12-15

Family

ID=9165794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR756825D Expired FR756825A (en) 1933-06-13 1933-06-13 Portable tutor for telephone receiver

Country Status (1)

Country Link
FR (1) FR756825A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556762A (en) * 1983-11-17 1985-12-03 Campbell Robert A Universal adjustable telephone handset holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556762A (en) * 1983-11-17 1985-12-03 Campbell Robert A Universal adjustable telephone handset holder

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