DE69012060D1 - Lautsprecheraufbau mit einem an eine akustische Röhre angeschlossenen Helmholtz-Resonator. - Google Patents

Lautsprecheraufbau mit einem an eine akustische Röhre angeschlossenen Helmholtz-Resonator.

Info

Publication number
DE69012060D1
DE69012060D1 DE69012060T DE69012060T DE69012060D1 DE 69012060 D1 DE69012060 D1 DE 69012060D1 DE 69012060 T DE69012060 T DE 69012060T DE 69012060 T DE69012060 T DE 69012060T DE 69012060 D1 DE69012060 D1 DE 69012060D1
Authority
DE
Germany
Prior art keywords
helmholtz resonator
acoustic tube
speaker structure
resonator connected
speaker
Prior art date
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 - Fee Related
Application number
DE69012060T
Other languages
English (en)
Other versions
DE69012060T2 (de
Inventor
Joris Adelbert Mar Nieuwendijk
Johannes Wilhelmus Theodor Bax
Johannes Josephus Mar Kamphues
Frans Alexander Westra
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE69012060D1 publication Critical patent/DE69012060D1/de
Application granted granted Critical
Publication of DE69012060T2 publication Critical patent/DE69012060T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • 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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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

  • 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)
DE69012060T 1989-11-16 1990-11-12 Lautsprecheraufbau mit einem an eine akustische Röhre angeschlossenen Helmholtz-Resonator. Expired - Fee Related DE69012060T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8902831A NL8902831A (nl) 1989-11-16 1989-11-16 Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis.

Publications (2)

Publication Number Publication Date
DE69012060D1 true DE69012060D1 (de) 1994-10-06
DE69012060T2 DE69012060T2 (de) 1995-04-06

Family

ID=19855635

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012060T Expired - Fee Related DE69012060T2 (de) 1989-11-16 1990-11-12 Lautsprecheraufbau mit einem an eine akustische Röhre angeschlossenen Helmholtz-Resonator.

Country Status (6)

Country Link
US (1) US5261006A (de)
EP (1) EP0429121B1 (de)
JP (1) JPH03173296A (de)
KR (1) KR0158885B1 (de)
DE (1) DE69012060T2 (de)
NL (1) NL8902831A (de)

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Also Published As

Publication number Publication date
EP0429121A1 (de) 1991-05-29
US5261006A (en) 1993-11-09
EP0429121B1 (de) 1994-08-31
DE69012060T2 (de) 1995-04-06
JPH03173296A (ja) 1991-07-26
KR0158885B1 (ko) 1998-12-01
NL8902831A (nl) 1991-06-17
KR910011084A (ko) 1991-06-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee