EP0806882A2 - Enceinte à haut-parleur pour des fréquences très basses - Google Patents

Enceinte à haut-parleur pour des fréquences très basses Download PDF

Info

Publication number
EP0806882A2
EP0806882A2 EP97107143A EP97107143A EP0806882A2 EP 0806882 A2 EP0806882 A2 EP 0806882A2 EP 97107143 A EP97107143 A EP 97107143A EP 97107143 A EP97107143 A EP 97107143A EP 0806882 A2 EP0806882 A2 EP 0806882A2
Authority
EP
European Patent Office
Prior art keywords
partition
box housing
cover plate
loudspeaker
box
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.)
Granted
Application number
EP97107143A
Other languages
German (de)
English (en)
Other versions
EP0806882B1 (fr
EP0806882A3 (fr
Inventor
Peter Schindler
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Nokia Technology GmbH
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 Nokia Technology GmbH filed Critical Nokia Technology GmbH
Publication of EP0806882A2 publication Critical patent/EP0806882A2/fr
Publication of EP0806882A3 publication Critical patent/EP0806882A3/fr
Application granted granted Critical
Publication of EP0806882B1 publication Critical patent/EP0806882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • 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
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Definitions

  • the invention is concerned with the formation of subwoofer loudspeakers, in particular with the simplification of the manufacture of such boxes.
  • the invention is therefore based on the object of specifying a subwoofer loudspeaker box which avoids the problems in production which exist according to the technology.
  • the box housing is formed in one piece and provided on its inner wall with a molded-in slide-in frame, the loudspeaker box can be formed by inserting the partition wall equipped with the loudspeaker, etc. into the slide-in frame through an assembly opening which is also present in the box housing. Since the partition is provided with a cover plate, if the cover plate is larger than the mounting opening, the mounting opening is closed when the partition in the slide-in frame reaches the end position.
  • the cover plate only partially seals the assembly opening, i.e. the opening that then remains can be used as a port. This eliminates the need for separate ports in the box housing.
  • this cover wall can be used for heat dissipation.
  • the latter is particularly advantageous if the partition is additionally equipped with an amplifier unit.
  • cover plate is provided with a contact strip for contacting the loudspeaker (s) or the amplifier unit, no further installation opening in the box housing is necessary, as a result of which the sealing effort is reduced.
  • Figure 1 shows in an essentially closed, somewhat cuboid box housing (10), the outer skin (11) of this housing (10) being broken only by an assembly opening (12) and a channel-shaped port (13). Furthermore, the interior of the box housing (10) is traversed by 4 tubular passages (14), which contribute to the mechanical stability of the box housing (10).
  • an insertion frame (16) is formed on the inner wall (15) of the housing, which, as the left side of the illustration in FIG. 1 shows, has an approximately U-shaped profile.
  • the right-hand side of the illustration in FIG. 1 shows that the slide-in frame (16) ends where the outer skin (11) of the housing (10) has the mounting opening (12). The latter is essential to complete the loudspeaker, as will be shown later.
  • FIG. 2 which shows a section AA according to FIG. 1, can also be seen that the insertion frame (16) runs along the two side surfaces 17.1 and 17.2 and on the end surface (18) of the inner wall (16).
  • box housing (10) shown in FIGS. 1 and 2 can be produced very easily from plastic by using the rotary sintering or the blowing technique.
  • FIG. 1 An acoustic module (19) is shown in FIG.
  • This acoustic module (19) is essentially formed by a partition (20), a cover plate (21) connected to the partition (20), a loudspeaker (23) and an amplifier unit (24).
  • An opening (22) over which the loudspeaker (23) is mounted is formed in the partition (20).
  • the heat sinks (25) of the amplifier unit (24) are connected to the cover plate (21) and (20), which is formed from metal in the present exemplary embodiment for better heat conduction.
  • the cover plate (21) can also be made of plastic and, if necessary, a one-storey unit with the partition (20 ) form.
  • cover plate (21) is provided with a terminal strip (26) for contacting the amplifier unit (24).
  • FIG. 4 If a fully equipped acoustic module (19) according to FIG. 3 with the peripheral edge (27) of the partition wall (20) is inserted through the assembly opening (12) FIG. 1 into the slide-in frame (16), an installation situation is achieved, which is shown in FIG. 4 is. If the acoustic module (19) has reached its end position in the box housing (10), the cover plate (21) closes the assembly opening (12). In addition, in this end position, the inside of the box housing (10) is divided into a closed volume (28.1) and an open volume (28.2) because the peripheral edge (27) of the partition (20) is mounted in the slide-in frame (16).
  • peripheral edge (27) of the partition (20) is provided with a seal (29) in order to ensure the mutual sealing of the two volumes (28.1) and (28.2).
  • a seal (29) is also provided between the cover plate (21) and the outer skin (11) of the box housing (10).
  • Figure 5 shows a slightly modified version compared to Figure 4.
  • the port (13) is not guided through the outer skin (11) of the box housing itself, but rather is formed in the cover plate (21).
  • the port (13) is tubular.
  • the port opening required in any case can also be realized by means of a hole in the cover plate (21) or by the cover plate (21) not completely covering the mounting opening (12) in the box housing (10) covered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
EP97107143A 1996-05-09 1997-04-30 Enceinte à haut-parleur pour des fréquences très basses Expired - Lifetime EP0806882B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29608421U 1996-05-09
DE29608421U DE29608421U1 (de) 1996-05-09 1996-05-09 Subwoofer-Lautsprecherbox

Publications (3)

Publication Number Publication Date
EP0806882A2 true EP0806882A2 (fr) 1997-11-12
EP0806882A3 EP0806882A3 (fr) 2006-05-10
EP0806882B1 EP0806882B1 (fr) 2006-11-15

Family

ID=8023762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107143A Expired - Lifetime EP0806882B1 (fr) 1996-05-09 1997-04-30 Enceinte à haut-parleur pour des fréquences très basses

Country Status (4)

Country Link
US (1) US5771302A (fr)
EP (1) EP0806882B1 (fr)
AT (1) ATE345659T1 (fr)
DE (2) DE29608421U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991295A2 (fr) * 1998-09-28 2000-04-05 Murata Manufacturing Co., Ltd. Haut-parleur et dispossitif à haut-parleur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305809B (en) * 1995-09-28 1997-11-05 Harman Int Ind Power amplifier and loudspeaker frame integration
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
WO1998007294A1 (fr) 1996-08-12 1998-02-19 Carver R W Subwoofer haute pression a force contre-electromotrice elevee
JP3778793B2 (ja) * 2000-01-28 2006-05-24 富士通テン株式会社 スピーカシステム
US6373957B1 (en) 2001-05-14 2002-04-16 Harman International Industries, Incorporated Loudspeaker structure
KR100526599B1 (ko) * 2003-04-01 2005-11-08 삼성전자주식회사 스피커장치
US6944024B1 (en) 2004-02-19 2005-09-13 Audioplex Technology Incorporated Heat sink bracket for powered loudspeaker
US10311495B2 (en) * 2015-06-15 2019-06-04 Timothy Val Kolton Customizable product housing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939783A (en) * 1989-01-30 1990-07-03 Dunning William S Suspended speaker system
EP0523410A2 (fr) * 1991-06-28 1993-01-20 Nokia (Deutschland) GmbH Disposition de reproduction des sons graves dans des véhicules
US5418338A (en) * 1994-08-09 1995-05-23 Kim; Chae Y. Adjustable speaker box

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689016A (en) * 1953-04-14 1954-09-14 Henry C Lang Sound reproducing system
US4016953A (en) * 1975-05-23 1977-04-12 Butler Robert J Push-pull transducer system
DE8314251U1 (de) * 1983-05-13 1985-05-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Lautsprecherbox mit integriertem akustischem Bandpaßfilter
US4549631A (en) * 1983-10-24 1985-10-29 Bose Corporation Multiple porting loudspeaker systems
DE3902343A1 (de) * 1989-01-27 1990-08-02 R & H Studiosound Beck Kg Lautsprecherbox
DE4344618A1 (de) * 1993-12-24 1995-06-29 Nokia Deutschland Gmbh Doppelkammer-Baßreflexbox

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939783A (en) * 1989-01-30 1990-07-03 Dunning William S Suspended speaker system
EP0523410A2 (fr) * 1991-06-28 1993-01-20 Nokia (Deutschland) GmbH Disposition de reproduction des sons graves dans des véhicules
US5418338A (en) * 1994-08-09 1995-05-23 Kim; Chae Y. Adjustable speaker box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991295A2 (fr) * 1998-09-28 2000-04-05 Murata Manufacturing Co., Ltd. Haut-parleur et dispossitif à haut-parleur
EP0991295A3 (fr) * 1998-09-28 2006-07-19 Murata Manufacturing Co., Ltd. Haut-parleur et dispossitif à haut-parleur

Also Published As

Publication number Publication date
EP0806882B1 (fr) 2006-11-15
DE29608421U1 (de) 1996-08-01
US5771302A (en) 1998-06-23
EP0806882A3 (fr) 2006-05-10
ATE345659T1 (de) 2006-12-15
DE59712763D1 (de) 2006-12-28

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