FR1147206A - Perfectionnements aux lunettes acoustiques - Google Patents

Perfectionnements aux lunettes acoustiques

Info

Publication number
FR1147206A
FR1147206A FR1147206DA FR1147206A FR 1147206 A FR1147206 A FR 1147206A FR 1147206D A FR1147206D A FR 1147206DA FR 1147206 A FR1147206 A FR 1147206A
Authority
FR
France
Prior art keywords
glasses
acoustic
acoustic glasses
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
English (en)
Inventor
George Lewis
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.)
CIE FRANCAISE D AUDIOLOGIE
Original Assignee
CIE FRANCAISE D AUDIOLOGIE
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 CIE FRANCAISE D AUDIOLOGIE filed Critical CIE FRANCAISE D AUDIOLOGIE
Application granted granted Critical
Publication of FR1147206A publication Critical patent/FR1147206A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • G02C11/06—Hearing aids

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
FR1147206D 1956-03-14 1956-03-14 Perfectionnements aux lunettes acoustiques Expired FR1147206A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1147206T 1956-03-14

Publications (1)

Publication Number Publication Date
FR1147206A true FR1147206A (fr) 1957-11-20

Family

ID=9645759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1147206D Expired FR1147206A (fr) 1956-03-14 1956-03-14 Perfectionnements aux lunettes acoustiques

Country Status (1)

Country Link
FR (1) FR1147206A (fr)

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