EP0150744B1 - Loudspeaker unit - Google Patents

Loudspeaker unit Download PDF

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Publication number
EP0150744B1
EP0150744B1 EP85100273A EP85100273A EP0150744B1 EP 0150744 B1 EP0150744 B1 EP 0150744B1 EP 85100273 A EP85100273 A EP 85100273A EP 85100273 A EP85100273 A EP 85100273A EP 0150744 B1 EP0150744 B1 EP 0150744B1
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
chassis frame
outer support
projections
resilient
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
Application number
EP85100273A
Other languages
German (de)
French (fr)
Other versions
EP0150744A2 (en
EP0150744A3 (en
Inventor
Karl-Heinz Dipl.-Phys. Thiele
Werner Stehn
Georg Seidel
Reinald Dipl.-Ing. Beckmeyer
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.)
Deutsche Thomson oHG
Original Assignee
Telefunken Fernseh und Rundfunk 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
Priority claimed from DE19848402128 external-priority patent/DE8402128U1/en
Priority claimed from DE19848418098 external-priority patent/DE8418098U1/en
Application filed by Telefunken Fernseh und Rundfunk GmbH filed Critical Telefunken Fernseh und Rundfunk GmbH
Priority to AT85100273T priority Critical patent/ATE45262T1/en
Publication of EP0150744A2 publication Critical patent/EP0150744A2/en
Publication of EP0150744A3 publication Critical patent/EP0150744A3/en
Application granted granted Critical
Publication of EP0150744B1 publication Critical patent/EP0150744B1/en
Expired 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture

Definitions

  • the invention is based on a loudspeaker unit according to the preamble of claim 1.
  • a loudspeaker unit is known from US-A-3,575,370.
  • the invention has for its object to design such a speaker unit so that a technically simplified connection between the frame and the speaker basket is achieved, which is particularly advantageous in the mass production of television sets.
  • a loudspeaker unit is also known (EP-A-0 024 461), in which the loudspeaker basket is enclosed between two parts which are assembled via a snap-in connection.
  • the loudspeaker basket is not directly attached to the frame via a snap connection and also has no elements for a positive snap connection.
  • a loudspeaker unit is also known (US-A-4 424 881), in which a cover is attached to a base part by means of a positive locking connection, in order to enable the cover to be easily exchangeable.
  • US-A-4 424 881 a cover is attached to a base part by means of a positive locking connection, in order to enable the cover to be easily exchangeable.
  • this is not about attaching a speaker to the frame of a speaker unit.
  • Fig. 1 shows a speaker basket 7 for side and front mounting on a frame. Areas of cone-shaped elevations 5 open to the edge of the speaker cage 7 and areas of the speaker cage 7 of elongated concave material cutouts 6 are provided for lateral mounting.
  • projections 9 and a movable projection 8 are provided for the front mounting of the loudspeaker frame 7 on a frame.
  • the projection 9 is attached to a first end face of the speaker basket 7 as a material continuation. It has the shape of a rectangular tongue.
  • the movable projection 8 Opposite this projection 9, on the other end face of the speaker basket 7, is the movable projection 8, which has a U-shaped shape and whose first leg facing the projection 9 is connected to the speaker basket 7.
  • This first leg also has a support 13.
  • the frame 3 has movable projections 2, so-called snap-in, and fixed projections 1.
  • the fixed projections 1 of the frame 3 protrude into the elevations 5, which open conically towards the frame.
  • FIG. 3 shows a further loudspeaker unit, the front-side connecting elements connecting loudspeaker 7 and frame 11 to one another.
  • the tongue-like projection 9 of the loudspeaker basket 7 engages behind the recess 10 on the front side of the loudspeaker frame 11 during assembly.
  • a recess 10 of the same design is also present on the opposite end side.
  • the movable projection 8 engages behind this recess 10 with the widened surface of the wedge-shaped extension 14.
  • the frame 11 is constructed in such a way that the assembly of the speaker basket 7 with the frame 11 is facilitated by lateral guide webs 15. The same applies to the frame 3 with guide webs 12.
  • Fig. 4 shows a side view of a loudspeaker.
  • the loudspeaker consists of a magnet system 19, a basket 16, an upwardly flanged edge 17 and a snap-in device 8, 9. There is a seal 18 on the radiating surface of the loudspeaker.
  • Fig. 5 shows a top view of the loudspeaker. As can be seen in FIG. 4, the seal 18 projects beyond the edge 17 of the loudspeaker. As a result, the speaker is clamped to the cover frame.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

Die Erfindung geht aus von einer Lautsprechereinheit gemäß dem Oberbegriff des Anspruchs 1. Eine derartige Lautsprechereinheit ist bekannt durch die US-A-3 575 370.The invention is based on a loudspeaker unit according to the preamble of claim 1. Such a loudspeaker unit is known from US-A-3,575,370.

Der Erfindung liegt die Aufgabe zugrunde, eine derartige Lautsprechereinheit so auszubilden, daß eine fertigungstechnisch vereinfachte Verbindung zwischen dem Rahmen und dem Lautsprecherkorb erreicht wird, die insbesondere bei der Massenproduktion von Fernsehgeräten vorteilhaft ist.The invention has for its object to design such a speaker unit so that a technically simplified connection between the frame and the speaker basket is achieved, which is particularly advantageous in the mass production of television sets.

Diese Aufgabe wird durch die im Anspruch 1 angegebene Erfindung gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the invention specified in claim 1. Advantageous developments of the invention are described in the subclaims.

Es ist auch eine Lautsprechereinheit bekannt (EP-A-0 024 461), bei der Lautsprecherkorb zwischen zwei Teilen eingefaßt ist, die über eine Rastverbindung zusammengesetzt sind. Dabei ist jedoch der Lautsprecherkorb nicht über eine Rastverbindung unmittelbar an dem Rahmen befestigt und hat auch keine Elemente für eine formschlüssige Rastverbindung.A loudspeaker unit is also known (EP-A-0 024 461), in which the loudspeaker basket is enclosed between two parts which are assembled via a snap-in connection. However, the loudspeaker basket is not directly attached to the frame via a snap connection and also has no elements for a positive snap connection.

Es ist auch eine Lautsprechereinheit bekannt (US-A-4 424 881), bei der eine Abdeckhaube über eine formschlüssige Rastverbindung an einen Basisteil befestigt ist, um eine leichte Austauschbarkeit der Abdeckhaube zu ermöglichen. Dabei handelt es sich jedoch nicht um die Befestigung eines Lautsprechers an dem Rahmen einer Lautsprechereinheit.A loudspeaker unit is also known (US-A-4 424 881), in which a cover is attached to a base part by means of a positive locking connection, in order to enable the cover to be easily exchangeable. However, this is not about attaching a speaker to the frame of a speaker unit.

Die Erfindung wird im folgenden anhand der Zeichnung an mehreren Ausführungsbeispielen erläutert. Darin zeigen

  • Fig. 1 einen Lautsprecherkorb,
  • Fig. 2 ein Ausführungsbeispiel für einen Rahmen mit federnden Elementen,
  • Fig. 3 ein anderes Ausführungsbeispiel für einen Rahmen ohne federnde Elemente,
  • Fig. 4 eine Seitenansicht und
  • Fig. 5 eine Draufsicht auf den Lautsprecher.
The invention is explained below with reference to the drawing using several exemplary embodiments. Show in it
  • 1 is a speaker basket,
  • 2 shows an embodiment of a frame with resilient elements,
  • 3 shows another embodiment for a frame without resilient elements,
  • Fig. 4 is a side view and
  • Fig. 5 is a plan view of the speaker.

Fig. 1 zeigt einen Lautsprecherkorb 7 für seitliche und stirnseitige Montage an einem Rahmen. Für die seitliche Montage sind Bereiche aus konisch zum Rand des Lautsprecherkorbes 7 geöffneten Erhebungen 5 und Bereiche des Lautsprecherkorbes 7 aus länglichen konkaven Materialaussparungen 6 vorgesehen. Für die stirnseitige Montage des Lautsprecherkorbes 7 an einem Rahmen sind Vorsprünge 9 und ein beweglicher Vorsprung 8 vorgesehen. Der Vorsprung 9 ist an einer ersten Stirnseite des Lautsprecherkorbes 7 als Materialfortsetzung angebracht. Er hat die Form einer rechteckigen Zunge. Diesem Vorsprung 9 gegenüber, auf der anderen Stirnseite des Lautsprecherkorbes 7, befindet sich der bewegbare Vorsprung 8, der eine U-förmige Form aufweist und dessen dem Vorsprung 9 zugewandter erste Schenkel mit dem Lautsprecherkorb 7 verbunden ist. Dieser erste Schenkel weist zudem eine Stütze 13 auf. An dem anderen Schenkel des U-formigen Vorsprungs 8, der länger ausgebildet ist, befindet sich ein keilförmiger Ansatz 14, dessen Spitze sich am Ende des Schenkels und dessen verbreiterte Fläche sich in Höhe des Lautsprecherkorbes 7 befindet.Fig. 1 shows a speaker basket 7 for side and front mounting on a frame. Areas of cone-shaped elevations 5 open to the edge of the speaker cage 7 and areas of the speaker cage 7 of elongated concave material cutouts 6 are provided for lateral mounting. For the front mounting of the loudspeaker frame 7 on a frame, projections 9 and a movable projection 8 are provided. The projection 9 is attached to a first end face of the speaker basket 7 as a material continuation. It has the shape of a rectangular tongue. Opposite this projection 9, on the other end face of the speaker basket 7, is the movable projection 8, which has a U-shaped shape and whose first leg facing the projection 9 is connected to the speaker basket 7. This first leg also has a support 13. On the other leg of the U-shaped projection 8, which is longer, there is a wedge-shaped projection 14, the tip of which is at the end of the leg and the widened area is at the level of the loudspeaker basket 7.

Fig. 2 zeigt eine Lautsprechereinheit, bei der die Verbindungspunkte eines Rahmens 3 an den seitlichen Kanten des Lautsprecherkorbes 7 eingerastet sind. Dabei weist der Rahmen 3 bewegliche Vorsprünge 2, sogenannte Snap-In, und feste Vorsprünge 1 auf. In die konisch zum Rahmen hin geöffneten Erhebungen 5 ragen die festen Vorsprünge 1 des Rahmens 3. Beim Andrücken des Lautsprecherkorbes 7 an den Rahmen 3 hintergreifen die Vorsprünge 2 den Lautsprecherkorb 7 an den Aussparungen 6. Dadurch ergibt sich eine feste Verbindung zwischen Lautsprecherkorb 7 und Rahmen 3.2 shows a loudspeaker unit in which the connection points of a frame 3 are snapped onto the lateral edges of the loudspeaker basket 7. The frame 3 has movable projections 2, so-called snap-in, and fixed projections 1. The fixed projections 1 of the frame 3 protrude into the elevations 5, which open conically towards the frame. When the speaker basket 7 is pressed against the frame 3, the projections 2 engage behind the speaker basket 7 at the cutouts 6. This results in a firm connection between the speaker basket 7 and the frame 3rd

Fig. 3 zeigt eine weitere Lautsprechereinheit, wobei die stirnseitigen Verbindungselemente Lautsprecher 7 und Rahmen 11 miteinander verbinden. Der zungenartige Vorsprung 9 des Lautsprecherkorbes 7 hintergreift beim Montieren die Aussparung 10 an der Stirnseite des Lautsprecherrahmens 11. Eine gleichartig aufgebaute Aussparung 10 ist ebenfalls an der gegenüberliegenden Stirnseite vorhanden. Beim Andrücken des Lautsprecherkorbes 7 an den Rahmen 11 hintergreift der bewegliche Vorsprung 8 mit der verbreiterten Fläche des keilförmigen Ansatzes 14 diese Aussparung 10. Der Rahmen 11 ist so aufgebaut, daß die montage des Lautsprecherkorbes 7 mit dem Rahmen 11 durch seitliche Führungsstege 15 erleichtert wird. Gleiches gilt auch für den Rahmen 3 mit Führungsstegen 12.3 shows a further loudspeaker unit, the front-side connecting elements connecting loudspeaker 7 and frame 11 to one another. The tongue-like projection 9 of the loudspeaker basket 7 engages behind the recess 10 on the front side of the loudspeaker frame 11 during assembly. A recess 10 of the same design is also present on the opposite end side. When the speaker basket 7 is pressed against the frame 11, the movable projection 8 engages behind this recess 10 with the widened surface of the wedge-shaped extension 14. The frame 11 is constructed in such a way that the assembly of the speaker basket 7 with the frame 11 is facilitated by lateral guide webs 15. The same applies to the frame 3 with guide webs 12.

Fig. 4 zeigt eine seitliche Ansicht eines Lautsprechers. Der Lautsprecher besteht aus einem Magnetsystem 19, einem Korb 16, einem nach oben umgebördelten Rand 17 und einer Snap-In-Vorrichtung 8, 9. An der Abstrahlfläche des Lautsprechers befindet sich eine Dichtung 18.Fig. 4 shows a side view of a loudspeaker. The loudspeaker consists of a magnet system 19, a basket 16, an upwardly flanged edge 17 and a snap-in device 8, 9. There is a seal 18 on the radiating surface of the loudspeaker.

Fig. 5 zeigt eine Draufsicht des Lautsprechers. Wie der Fig. 4 zu entnehmen ist, steht die Dichtung 18 über den Rand 17 des Lautsprechers hinaus. Dadurch wird ein Klemmen des Lautsprechers an dem Deckrahmen erreicht.Fig. 5 shows a top view of the loudspeaker. As can be seen in FIG. 4, the seal 18 projects beyond the edge 17 of the loudspeaker. As a result, the speaker is clamped to the cover frame.

Claims (5)

1. A loudspeaker unit with an outer support (3) and a loudspeaker chassis frame (7), which are connected together by means of positive detent means having resilient elements (2, 8), characterized by the following features:
a) for an outer support (3) without resilient elements the loudspeaker chassis frame (7) includes on a first side a tongue-like rigid projection (9), which can be inserted into a recess (10) on the outer support (3), and includes on a second opposite side a U-shaped resilient projection (8), one limb of which is connected to the chassis frame (7), the other free limb with a barb (14) being capable of locking into a recess (10) on the outer support (3);
b) for an outer support (3) with resilient elements (2) the chassis frame (7) includes on the third and fourth sides raised portions (5) opened conically to the edge of the chassis frame (7) for the engagement of fixed projections (1) on the outer support (3) and adjacent thereto includes elongate, concave recesses (6) in the material, at which recesses (6) resilient projections (2) of the outer support (3) engage behind the chassis frame (7).
2. A loudspeaker unit according to claim 1, characterized in that the fixed projections (Fig. 2 : 1) lie opposite the resilient projections (2).
3. A loudspeaker unit according to claim 1, characterised in that the resilient projection or projections (3) of the loudspeaker chassis frame (Fig. 3 : 7) lie opposite to the rigid projection or projections (9).
4. A loudspeaker unit according to claim 1, characterized in that in order to avoid distortion a seal (Fig. 4, 5 : 18) is formed larger than the outline of the loudspeaker chassis frame (16).
5. A loudspeaker unit according to claim 4, characterized in that an edge (Fig. 4, 5 : 17) of the loudspeaker chassis frame is flanged away from the bearing surface of the loudspeaker chassis frame.
EP85100273A 1984-01-26 1985-01-12 Loudspeaker unit Expired EP0150744B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85100273T ATE45262T1 (en) 1984-01-26 1985-01-12 SPEAKER UNIT.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19848402128 DE8402128U1 (en) 1984-01-26 1984-01-26 SPEAKER UNIT
DE8402128U 1984-01-26
DE19848418098 DE8418098U1 (en) 1984-06-15 1984-06-15 SPEAKER UNIT
DE8418098U 1984-06-15

Publications (3)

Publication Number Publication Date
EP0150744A2 EP0150744A2 (en) 1985-08-07
EP0150744A3 EP0150744A3 (en) 1986-02-12
EP0150744B1 true EP0150744B1 (en) 1989-08-02

Family

ID=25949821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100273A Expired EP0150744B1 (en) 1984-01-26 1985-01-12 Loudspeaker unit

Country Status (5)

Country Link
EP (1) EP0150744B1 (en)
DE (1) DE3572110D1 (en)
FI (1) FI82582C (en)
HK (1) HK991A (en)
SG (1) SG99890G (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE69348T1 (en) * 1985-04-11 1991-11-15 Telefunken Fernseh & Rundfunk SPEAKER UNIT.
DE3534521A1 (en) * 1985-09-27 1987-04-09 Newek Neue Elektronik Werke Gm Loudspeaker unit
DE3634269A1 (en) * 1986-10-08 1988-04-21 Electronic Werke Deutschland Loudspeaker unit
DE9210534U1 (en) * 1992-08-06 1992-10-22 Nokia (Deutschland) GmbH, 7530 Pforzheim Solder lug plate for loudspeakers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575370A (en) * 1969-08-29 1971-04-20 Philco Ford Corp Snap-in mounting for loudspeakers and the like
GB1336522A (en) * 1971-05-17 1973-11-07 Motorola Inc Speaker mounting apparatus
JPS5233324U (en) * 1975-09-01 1977-03-09
EP0024461A1 (en) * 1979-03-26 1981-03-11 Schweizer, René - verstorben - gesetzlich vertreten durch Scheidegger, Franz Loudspeaker arrangement for ceiling and wall mounting and system encasing for electrical apparatuses for ceiling and wall mounting
US4424881A (en) * 1982-02-17 1984-01-10 Emhart Industries, Inc. Speaker assembly

Also Published As

Publication number Publication date
FI850290L (en) 1985-07-27
EP0150744A2 (en) 1985-08-07
FI82582B (en) 1990-11-30
FI850290A0 (en) 1985-01-23
HK991A (en) 1991-01-11
DE3572110D1 (en) 1989-09-07
FI82582C (en) 1991-03-11
SG99890G (en) 1991-02-14
EP0150744A3 (en) 1986-02-12

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