NL6914204A - - Google Patents

Info

Publication number
NL6914204A
NL6914204A NL6914204A NL6914204A NL6914204A NL 6914204 A NL6914204 A NL 6914204A NL 6914204 A NL6914204 A NL 6914204A NL 6914204 A NL6914204 A NL 6914204A NL 6914204 A NL6914204 A NL 6914204A
Authority
NL
Netherlands
Application number
NL6914204A
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 NL6914204A priority Critical patent/NL6914204A/xx
Priority to DE19702043319 priority patent/DE2043319B2/de
Priority to US69269A priority patent/US3685609A/en
Priority to CH1369470A priority patent/CH527537A/de
Priority to GB4401770A priority patent/GB1328538A/en
Priority to JP45080870A priority patent/JPS511123B1/ja
Priority to FR707033780A priority patent/FR2061790B3/fr
Publication of NL6914204A publication Critical patent/NL6914204A/xx

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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
NL6914204A 1969-09-18 1969-09-18 NL6914204A (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL6914204A NL6914204A (enrdf_load_stackoverflow) 1969-09-18 1969-09-18
DE19702043319 DE2043319B2 (de) 1969-09-18 1970-09-01 Schallwandler mit mindestens einem schwingungssystem
US69269A US3685609A (en) 1969-09-18 1970-09-03 Loudspeaker
CH1369470A CH527537A (de) 1969-09-18 1970-09-15 Schallwandler mit mindestens einem Schwingungssystem
GB4401770A GB1328538A (en) 1969-09-18 1970-09-15 Electro-acoustic transducer
JP45080870A JPS511123B1 (enrdf_load_stackoverflow) 1969-09-18 1970-09-16
FR707033780A FR2061790B3 (enrdf_load_stackoverflow) 1969-09-18 1970-09-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6914204A NL6914204A (enrdf_load_stackoverflow) 1969-09-18 1969-09-18

Publications (1)

Publication Number Publication Date
NL6914204A true NL6914204A (enrdf_load_stackoverflow) 1971-03-22

Family

ID=19807933

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6914204A NL6914204A (enrdf_load_stackoverflow) 1969-09-18 1969-09-18

Country Status (7)

Country Link
US (1) US3685609A (enrdf_load_stackoverflow)
JP (1) JPS511123B1 (enrdf_load_stackoverflow)
CH (1) CH527537A (enrdf_load_stackoverflow)
DE (1) DE2043319B2 (enrdf_load_stackoverflow)
FR (1) FR2061790B3 (enrdf_load_stackoverflow)
GB (1) GB1328538A (enrdf_load_stackoverflow)
NL (1) NL6914204A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592246A (en) * 1976-09-23 1981-07-01 Isaac T P Sound projection system
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US6061461A (en) * 1998-05-08 2000-05-09 Paddock; Paul W. Audio transducer
KR101975022B1 (ko) * 2018-03-07 2019-05-03 한국기계연구원 지향성 음향 장치
US20240121559A1 (en) * 2022-10-07 2024-04-11 Apple Inc. Cylindrical mems structures for audio components

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810708A (en) * 1929-01-09 1931-06-16 Echodon Inc Method of and apparatus for amplifying and projecting sound waves
US2956636A (en) * 1956-06-11 1960-10-18 Sipko L Boersma Loudspeaker

Also Published As

Publication number Publication date
JPS511123B1 (enrdf_load_stackoverflow) 1976-01-14
DE2043319A1 (de) 1971-04-01
US3685609A (en) 1972-08-22
FR2061790A7 (enrdf_load_stackoverflow) 1971-06-25
FR2061790B3 (enrdf_load_stackoverflow) 1973-06-08
CH527537A (de) 1972-08-31
DE2043319B2 (de) 1976-01-15
GB1328538A (en) 1973-08-30

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