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AT239331B - Mit einer Kopfbedeckung zusammengebauter elektroakustischer Wandler - Google Patents

Mit einer Kopfbedeckung zusammengebauter elektroakustischer Wandler

Info

Publication number
AT239331B
AT239331B AT938863A AT938863A AT239331B AT 239331 B AT239331 B AT 239331B AT 938863 A AT938863 A AT 938863A AT 938863 A AT938863 A AT 938863A AT 239331 B AT239331 B AT 239331B
Authority
AT
Austria
Prior art keywords
headgear
transducer
user
head
electroacoustic transducer
Prior art date
Application number
AT938863A
Other languages
German (de)
English (en)
Original Assignee
Brown Ltd S G
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 Brown Ltd S G filed Critical Brown Ltd S G
Application granted granted Critical
Publication of AT239331B publication Critical patent/AT239331B/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems
    • 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)
  • Telephone Set Structure (AREA)
AT938863A 1963-05-17 1963-11-22 Mit einer Kopfbedeckung zusammengebauter elektroakustischer Wandler AT239331B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1979963 1963-05-17

Publications (1)

Publication Number Publication Date
AT239331B true AT239331B (de) 1965-03-25

Family

ID=10135413

Family Applications (1)

Application Number Title Priority Date Filing Date
AT938863A AT239331B (de) 1963-05-17 1963-11-22 Mit einer Kopfbedeckung zusammengebauter elektroakustischer Wandler

Country Status (3)

Country Link
AT (1) AT239331B (fr)
BE (1) BE640377A (fr)
FR (1) FR1377071A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723670A (en) * 1970-10-20 1973-03-27 Dyna Magnetic Devices Inc Head contact microphone system

Also Published As

Publication number Publication date
BE640377A (fr) 1964-03-16
FR1377071A (fr) 1964-10-31

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