DE2849152C2 - - Google Patents

Info

Publication number
DE2849152C2
DE2849152C2 DE19782849152 DE2849152A DE2849152C2 DE 2849152 C2 DE2849152 C2 DE 2849152C2 DE 19782849152 DE19782849152 DE 19782849152 DE 2849152 A DE2849152 A DE 2849152A DE 2849152 C2 DE2849152 C2 DE 2849152C2
Authority
DE
Germany
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
DE19782849152
Other versions
DE2849152B1 (de
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.)
ONO HIROSHI TOKIO
Original Assignee
ONO, HIROSHI, TOKIO
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
Priority to JP13195974A priority Critical patent/JPS5158323A/ja
Priority to JP1975011452U priority patent/JPS5442572Y2/ja
Priority to JP1890675A priority patent/JPS5339763B2/ja
Priority to JP3606275U priority patent/JPS5349607Y2/ja
Priority to JP3859075U priority patent/JPS5442573Y2/ja
Priority to JP1975038589U priority patent/JPS5420898Y2/ja
Priority to JP1975070625U priority patent/JPS5616867Y2/ja
Priority to JP9261275U priority patent/JPS5344421Y2/ja
Priority to JP9531275U priority patent/JPS5444507Y2/ja
Priority to JP10328775U priority patent/JPS5344423Y2/ja
Priority to JP10328675U priority patent/JPS5344422Y2/ja
Priority to JP12709775U priority patent/JPS5442574Y2/ja
Priority to JP13898375U priority patent/JPS5344426Y2/ja
Priority to JP1975138982U priority patent/JPS5417384Y2/ja
Application filed by ONO, HIROSHI, TOKIO filed Critical ONO, HIROSHI, TOKIO
Publication of DE2849152B1 publication Critical patent/DE2849152B1/de
Application granted granted Critical
Publication of DE2849152C2 publication Critical patent/DE2849152C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/60Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges including speech amplifiers
    • H04M1/62Constructional arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/14Throat mountings for microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/46Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezo-electric transducers; Electrostrictive transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezo-electric transducers; Electrostrictive transducers
    • H04R17/02Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13Hearing devices using bone conduction transducers
DE19782849152 1974-11-18 1978-11-13 Expired DE2849152C2 (de)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP13195974A JPS5158323A (en) 1974-11-18 1974-11-18 Soonkadeno onseidentatsuho
JP1975011452U JPS5442572Y2 (de) 1975-01-27 1975-01-27
JP1890675A JPS5339763B2 (de) 1975-02-17 1975-02-17
JP3606275U JPS5349607Y2 (de) 1975-03-19 1975-03-19
JP3859075U JPS5442573Y2 (de) 1975-03-22 1975-03-22
JP1975038589U JPS5420898Y2 (de) 1975-03-22 1975-03-22
JP1975070625U JPS5616867Y2 (de) 1975-05-26 1975-05-26
JP9261275U JPS5344421Y2 (de) 1975-07-02 1975-07-02
JP9531275U JPS5444507Y2 (de) 1975-07-09 1975-07-09
JP10328775U JPS5344423Y2 (de) 1975-07-25 1975-07-25
JP10328675U JPS5344422Y2 (de) 1975-07-25 1975-07-25
JP12709775U JPS5442574Y2 (de) 1975-09-16 1975-09-16
JP1975138982U JPS5417384Y2 (de) 1975-10-11 1975-10-11
JP13898375U JPS5344426Y2 (de) 1975-10-11 1975-10-11

Publications (2)

Publication Number Publication Date
DE2849152B1 DE2849152B1 (de) 1980-04-24
DE2849152C2 true DE2849152C2 (de) 1980-12-18

Family

ID=27584770

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782849152 Expired DE2849152C2 (de) 1974-11-18 1978-11-13

Country Status (3)

Country Link
US (1) US4150262A (de)
DE (1) DE2849152C2 (de)
FR (1) FR2441983A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723275A1 (de) * 1986-09-25 1988-03-31 Temco Japan Ohrmikrofon

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* Cited by examiner, † Cited by third party
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DE2849152B1 (de) 1980-04-24
US4150262A (en) 1979-04-17
FR2441983A1 (fr) 1980-06-13

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