CH527537A - Sound transducer with at least one vibration system - Google Patents

Sound transducer with at least one vibration system

Info

Publication number
CH527537A
CH527537A CH1369470A CH1369470A CH527537A CH 527537 A CH527537 A CH 527537A CH 1369470 A CH1369470 A CH 1369470A CH 1369470 A CH1369470 A CH 1369470A CH 527537 A CH527537 A CH 527537A
Authority
CH
Switzerland
Prior art keywords
vibration system
sound transducer
transducer
sound
vibration
Prior art date
Application number
CH1369470A
Other languages
German (de)
Inventor
Valentinus Franssen Nico
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH527537A publication Critical patent/CH527537A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
CH1369470A 1969-09-18 1970-09-15 Sound transducer with at least one vibration system CH527537A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH527537A true CH527537A (en) 1972-08-31

Family

ID=19807933

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1369470A CH527537A (en) 1969-09-18 1970-09-15 Sound transducer with at least one vibration system

Country Status (7)

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

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
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US6061461A (en) * 1998-05-08 2000-05-09 Paddock; Paul W. Audio transducer
KR101975022B1 (en) * 2018-03-07 2019-05-03 한국기계연구원 Directional Sound Apparatus
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
FR2061790A7 (en) 1971-06-25
FR2061790B3 (en) 1973-06-08
NL6914204A (en) 1971-03-22
DE2043319A1 (en) 1971-04-01
GB1328538A (en) 1973-08-30
JPS511123B1 (en) 1976-01-14
DE2043319B2 (en) 1976-01-15
US3685609A (en) 1972-08-22

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Legal Events

Date Code Title Description
PL Patent ceased