JPS541450B2 - - Google Patents

Info

Publication number
JPS541450B2
JPS541450B2 JP805773A JP805773A JPS541450B2 JP S541450 B2 JPS541450 B2 JP S541450B2 JP 805773 A JP805773 A JP 805773A JP 805773 A JP805773 A JP 805773A JP S541450 B2 JPS541450 B2 JP S541450B2
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.)
Expired
Application number
JP805773A
Other languages
Japanese (ja)
Other versions
JPS4996713A (en
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
Priority to JP805773A priority Critical patent/JPS541450B2/ja
Priority to US05/432,879 priority patent/US3972385A/en
Priority to DE2401925A priority patent/DE2401925C3/en
Priority to GB212074A priority patent/GB1463191A/en
Priority to GB4073076A priority patent/GB1463192A/en
Priority to CA190,390A priority patent/CA993367A/en
Publication of JPS4996713A publication Critical patent/JPS4996713A/ja
Priority to US05/684,928 priority patent/US4040503A/en
Priority to US05/684,927 priority patent/US4091891A/en
Publication of JPS541450B2 publication Critical patent/JPS541450B2/ja
Expired 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
    • H04R1/20—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
JP805773A 1973-01-17 1973-01-17 Expired JPS541450B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP805773A JPS541450B2 (en) 1973-01-17 1973-01-17
US05/432,879 US3972385A (en) 1973-01-17 1974-01-14 Horn speaker
DE2401925A DE2401925C3 (en) 1973-01-17 1974-01-16 Funnel speaker
GB212074A GB1463191A (en) 1973-01-17 1974-01-16 Horn speaker
GB4073076A GB1463192A (en) 1973-01-17 1974-01-16 Horn speaker
CA190,390A CA993367A (en) 1973-01-17 1974-01-17 Horn speaker
US05/684,928 US4040503A (en) 1973-01-17 1976-05-10 Horn speaker
US05/684,927 US4091891A (en) 1973-01-17 1976-05-10 Horn speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP805773A JPS541450B2 (en) 1973-01-17 1973-01-17

Publications (2)

Publication Number Publication Date
JPS4996713A JPS4996713A (en) 1974-09-12
JPS541450B2 true JPS541450B2 (en) 1979-01-25

Family

ID=11682688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP805773A Expired JPS541450B2 (en) 1973-01-17 1973-01-17

Country Status (2)

Country Link
JP (1) JPS541450B2 (en)
GB (1) GB1463192A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154408U (en) * 1982-04-09 1983-10-15 関東特殊製鋼株式会社 Measuring tool
JPS58184606U (en) * 1982-06-04 1983-12-08 株式会社東芝 dimension measuring tool
JPS60145302U (en) * 1984-03-08 1985-09-26 三協アルミニウム工業株式会社 Measuring tools for Satsushi renovation work

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8718310B2 (en) 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly
US7177437B1 (en) 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
GB2588142B (en) * 2019-10-09 2023-05-31 Gp Acoustics International Ltd Acoustic waveguides

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154408U (en) * 1982-04-09 1983-10-15 関東特殊製鋼株式会社 Measuring tool
JPS58184606U (en) * 1982-06-04 1983-12-08 株式会社東芝 dimension measuring tool
JPS60145302U (en) * 1984-03-08 1985-09-26 三協アルミニウム工業株式会社 Measuring tools for Satsushi renovation work

Also Published As

Publication number Publication date
GB1463192A (en) 1977-02-02
JPS4996713A (en) 1974-09-12

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