JPS4979225A - - Google Patents

Info

Publication number
JPS4979225A
JPS4979225A JP10337073A JP10337073A JPS4979225A JP S4979225 A JPS4979225 A JP S4979225A JP 10337073 A JP10337073 A JP 10337073A JP 10337073 A JP10337073 A JP 10337073A JP S4979225 A JPS4979225 A JP S4979225A
Authority
JP
Japan
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.)
Pending
Application number
JP10337073A
Other languages
Japanese (ja)
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
Publication of JPS4979225A publication Critical patent/JPS4979225A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
JP10337073A 1972-11-10 1973-09-14 Pending JPS4979225A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT960772A AT318030B (de) 1972-11-10 1972-11-10 Hörer für Rundfunk, Fernsehen od.dgl. in Form eines Stethoskops

Publications (1)

Publication Number Publication Date
JPS4979225A true JPS4979225A (enrdf_load_stackoverflow) 1974-07-31

Family

ID=3615662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10337073A Pending JPS4979225A (enrdf_load_stackoverflow) 1972-11-10 1973-09-14

Country Status (3)

Country Link
JP (1) JPS4979225A (enrdf_load_stackoverflow)
AT (1) AT318030B (enrdf_load_stackoverflow)
DE (1) DE2355237A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129820U (enrdf_load_stackoverflow) * 1974-08-28 1976-03-04
JPS5293515U (enrdf_load_stackoverflow) * 1976-01-10 1977-07-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129820U (enrdf_load_stackoverflow) * 1974-08-28 1976-03-04
JPS5293515U (enrdf_load_stackoverflow) * 1976-01-10 1977-07-13

Also Published As

Publication number Publication date
DE2355237A1 (de) 1974-05-16
AT318030B (de) 1974-09-25

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