FR28327E - Wireless telephony hearing aid improvements - Google Patents

Wireless telephony hearing aid improvements

Info

Publication number
FR28327E
FR28327E FR28327DA FR28327E FR 28327 E FR28327 E FR 28327E FR 28327D A FR28327D A FR 28327DA FR 28327 E FR28327 E FR 28327E
Authority
FR
France
Prior art keywords
hearing aid
wireless telephony
telephony
wireless
hearing
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR28327E publication Critical patent/FR28327E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
FR28327D 1923-06-04 1923-06-04 Wireless telephony hearing aid improvements Expired FR28327E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28327T 1923-06-04

Publications (1)

Publication Number Publication Date
FR28327E true FR28327E (en) 1925-02-16

Family

ID=8666515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28327D Expired FR28327E (en) 1923-06-04 1923-06-04 Wireless telephony hearing aid improvements

Country Status (1)

Country Link
FR (1) FR28327E (en)

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