WO2004080038A1 - Mobile telephone comprising an integrated receiver and a hollow space formed by a shell arranged therebefore - Google Patents

Mobile telephone comprising an integrated receiver and a hollow space formed by a shell arranged therebefore Download PDF

Info

Publication number
WO2004080038A1
WO2004080038A1 PCT/EP2004/001550 EP2004001550W WO2004080038A1 WO 2004080038 A1 WO2004080038 A1 WO 2004080038A1 EP 2004001550 W EP2004001550 W EP 2004001550W WO 2004080038 A1 WO2004080038 A1 WO 2004080038A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile radio
receiver
radio device
volume
hollow space
Prior art date
Application number
PCT/EP2004/001550
Other languages
German (de)
French (fr)
Inventor
Klaus Kroesen
Roger Laurisch
Karl-Wilhelm TENBRÜGGEN
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2004080038A1 publication Critical patent/WO2004080038A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

Definitions

  • the present invention relates to a mobile radio device with a built-in receiver having a pre-volume.
  • the loudspeakers or receivers for mobile radio devices are in the upper part of the housing of the mobile radio device, i. H. arranged in the upper shell above the display.
  • a pre-volume 0 is usually necessary in front of the receiver membrane, which, in particular with an integrated hands-free function (the receiver is then also called "speaker *), has to be correspondingly larger than is necessary for normal receiver operation.
  • the basic problem is therefore to generate a sufficiently large pre-volume while at the same time keeping the device dimensions, in particular the thickness, as small as possible.
  • FIG. 1 A known solution to this problem is shown in FIG. 1.
  • the receiver 11 is inserted, latched or glued into the upper shell 10.
  • the receiver 11 generally makes contact via spring contacts or a soldered connection to a circuit board 19 of the mobile radio device located below it.
  • the solution shown in FIG. 1 is a multi-part receiver housing 12, 13 with a sealing cap 13, whereby the pre-volume 14 is formed in the receiver component itself.
  • pot-shaped receiver housing 22 forms the pre-volume 24 between the actual receiver 21 and the upper shell wall 20 by means of seals 25.
  • the object of the present invention is therefore to provide a mobile radio device with a built-in receiver having a pre-volume, in which a sufficient pre-volume can be achieved with a small space requirement.
  • the display panel around the display is designed as a design element so large that this display panel also covers the area of the speaker pronunciation, or a separate decorative panel is provided in the area of the speaker pronunciation.
  • the pre-volume is not, as previously, in the receiver / speaker itself (see FIG. 1) or between the receiver / speaker and the upper shell (see Figure 2), but formed between parts of the upper shell and part of a display or decorative panel.
  • the mobile radio device according to the invention is described in more detail below using an exemplary embodiment shown in the drawing.
  • FIG. 1 shows a known design of a mobile radio device with a built-in receiver having a pre-volume
  • FIG. 2 shows another known embodiment of a mobile radio device with a built-in receiver having a pre-volume
  • FIG 3 shows a mobile radio device according to the present invention with a built-in receiver having a pre-volume.
  • the pre-volume 34 is formed between the diaphragm 38 with the pronunciation opening 36 and parts of the upper shell 30.
  • the entire area of the panel 38 minus the sealing or connecting surfaces or minus the display surface and the sealing or connecting surfaces can be used for the preliminary volume 34.
  • the pronunciation opening 36, which adjoins the pre-volume 34, can be located either within the diaphragm 38 or at the edge of the diaphragm 38.
  • the principle according to the invention can be used with a correspondingly large diaphragm 38, which also covers the area above the receiver 31, in order to be able to form a corresponding pre-volume 14 under the diaphragm 38.
  • an enlargement of the pre-volume 34 and / or a corresponding reduction in thickness of the mobile radio device can be achieved with a comparable pre-volume. This mainly results from the saving of one or two wall thicknesses compared to the known solutions described at the beginning.
  • the wall thickness of the upper shell between the pre-volume and the panel is saved.
  • the connection opening between the receiver and the upper shell can also be made significantly smaller, so that the sealing element also becomes smaller and less complex.
  • the wall thickness of the receiver housing or the sealing cap is also and therefore simultaneously saved this additional component.
  • Another advantage of the mobile radio device according to the invention is that a smaller size of the receiver / speaker housing means that less space is occupied on the circuit board underneath, which in turn can thus be used to populate components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Structure Of Receivers (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention relates to a mobile telephone comprising an integrated receiver provided with a hollow space. The aim of said invention is to form a hollow space provided with a sufficient volume and reduced external dimensions. For this purpose, the walls of said hollow space are constituted by parts of the mobile telephone housing and one part of the diaphragm closing the opening for the oral output of the receiver.

Description

Beschreibung description
MOBILFUNKGERAT MIT EINGEBAUTEM RECEIVER UND EIENM VOM GEHÄUSE GEFORMTEN DAVOR- LIEGENDEN HOHLRAUMMOBILE RADIO WITH BUILT-IN RECEIVER AND EQUIPMENT FROM THE HOUSING
5 Die vorliegende Erfindung betrifft ein Mobilfunkgerät mit einem ein Vorvolumen aufweisenden eingebauten Receiver.5 The present invention relates to a mobile radio device with a built-in receiver having a pre-volume.
Der heutige Markt für Mobilfunkgeräte fordert unter anderem eine fortschreitende Größenminimierung der Geräte bei gleich- 0 bleibender bzw. verbesserter Leistung. Speziell bei den akustischen Komponenten ist eine Reduzierung des Volumens aufgrund der Funktionalität und der physikalischen Gesetzmäßigkeiten häufig nicht ohne Leistungseinbußen möglich.The current market for mobile devices demands, among other things, a progressive minimization of the size of the devices with the same or improved performance. In the case of acoustic components in particular, it is often not possible to reduce the volume without sacrificing performance due to the functionality and the physical laws.
In der Regel sind die Lautsprecher bzw. Receiver bei Mobilfunkgeräten im Gehäuseoberteil des Mobilfunkgerätes, d. h. in der Oberschale oberhalb des Displays angeordnet.As a rule, the loudspeakers or receivers for mobile radio devices are in the upper part of the housing of the mobile radio device, i. H. arranged in the upper shell above the display.
Für die akustische Funktion ist in der Regel ein Vorvolumen 0 vor der Receiver-Membran notwendig, welches insbesondere bei integrierter Freisprechfunktion (der Receiver wird dann auch „Speaker* genannt) entsprechend größer sein uss als es bei einem normalen Receiver-Betrieb notwendig ist.For the acoustic function, a pre-volume 0 is usually necessary in front of the receiver membrane, which, in particular with an integrated hands-free function (the receiver is then also called "speaker *), has to be correspondingly larger than is necessary for normal receiver operation.
Das grundsätzliche Problem besteht also darin, ein ausreichend großes Vorvolumen zu erzeugen und dabei gleichzeitig die Geräteabmessungen, insbesondere die Dicke, möglichst gering zu halten.The basic problem is therefore to generate a sufficiently large pre-volume while at the same time keeping the device dimensions, in particular the thickness, as small as possible.
Eine bekannte Lösung dieses Problems zeigt Figur 1. Bei dieser Lösung wird der Receiver 11 in die Oberschale 10 eingelegt, gerastet oder eingeklebt. Der Receiver 11 kontaktiert in der Regel über Federkontakte oder eine Lötverbindung auf eine unter ihm liegende Leiterplatte 19 des Mobilfunkgerätes. Bei der in Figur 1 gezeigten Lösung handelt es sich um ein mehrteiliges Receiver-Gehäuse 12, 13 mit einer Dichtungskappe 13, wodurch das Vorvolumen 14 im Receiver-Bauteil selbst gebildet wird.A known solution to this problem is shown in FIG. 1. In this solution, the receiver 11 is inserted, latched or glued into the upper shell 10. The receiver 11 generally makes contact via spring contacts or a soldered connection to a circuit board 19 of the mobile radio device located below it. The solution shown in FIG. 1 is a multi-part receiver housing 12, 13 with a sealing cap 13, whereby the pre-volume 14 is formed in the receiver component itself.
Eine andere bekannte Lösung des oben aufgezeigten Problems zeigt Figur 2. Hier bildet das topfförmige Receiver-Gehäuse 22 mittels Dichtungen 25 das Vorvolumen 24 zwischen dem eigentlichen Receiver 21 und der Oberschalenwandung 20.Another known solution to the problem shown above is shown in FIG. 2. Here, the pot-shaped receiver housing 22 forms the pre-volume 24 between the actual receiver 21 and the upper shell wall 20 by means of seals 25.
Probleme bereiten bei diesen bekannten Lösungen die beengten Platzverhältnisse, aufgrund derer nur ein unzureichendes Vorvolumen erreichbar ist. Oder es ist ein hoher Platzbedarf für den Receiver mit seinem Vorvolumen erforderlich. Bei der zweiten bekannten Lösung bereitet auch die Komplexität der notwendigen Dichtungselemente 25 bezüglich Form und Größe Probleme bei der Herstellung.Problems with these known solutions are caused by the limited space, due to which only an insufficient pre-volume can be achieved. Or a large amount of space is required for the receiver with its pre-volume. In the case of the second known solution, the complexity of the necessary sealing elements 25 with regard to shape and size also creates problems during manufacture.
Aufgabe der vorliegenden Erfindung ist es daher ein Mobilfunkgerät mit einem ein Vorvolumen aufweisenden eingebauten Receiver anzugeben, bei welchem sich mit einem geringen Raum- bedarf ein ausreichendes Vorvolumen erzielen lässt.The object of the present invention is therefore to provide a mobile radio device with a built-in receiver having a pre-volume, in which a sufficient pre-volume can be achieved with a small space requirement.
Diese Aufgabe wird für das eingangs genannte Mobilfunkgerät dadurch gelöst, dass die Wandungen des Vorvolumens aus Teilen des Mobilfunkgerätegehäuses sowie aus einem Teil eines die Ausspracheöffnung des Receivers abdeckenden Blendenteils gebildet sind.This object is achieved for the mobile radio device mentioned at the outset in that the walls of the preliminary volume are formed from parts of the mobile radio device housing and from part of a diaphragm part which covers the pronunciation opening of the receiver.
Bei dem erfindungsgemäßen Mobilfunkgerät ist die Displayblen- de um das Display herum als Designelement so groß ausgeführt, dass diese Displayblende auch den Bereich der Lautsprecheraussprache überdeckt, bzw. es ist im Bereich der Lautsprecheraussprache eine separate Dekorblende vorgesehen.In the mobile radio device according to the invention, the display panel around the display is designed as a design element so large that this display panel also covers the area of the speaker pronunciation, or a separate decorative panel is provided in the area of the speaker pronunciation.
Bei dem erfindungsgemäßen Mobilfunkgerät wird das Vorvolumen nicht wie bisher im Receiver/Speaker selbst (siehe Figur 1) oder zwischen dem Receiver/Speaker und der Oberschale (siehe Figur 2) , sondern zwischen Teilen der Oberschale und einem Teil einer Display- oder Dekorblende gebildet.In the mobile radio device according to the invention, the pre-volume is not, as previously, in the receiver / speaker itself (see FIG. 1) or between the receiver / speaker and the upper shell (see Figure 2), but formed between parts of the upper shell and part of a display or decorative panel.
Nachfolgend wird das erfindungsgemäße Mobilfunkgerät anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher beschrieben.The mobile radio device according to the invention is described in more detail below using an exemplary embodiment shown in the drawing.
In der Zeichnung zeigenShow in the drawing
Figur 1 eine bekannte Ausbildung eines Mobilfunkgerätes mit einem ein Vorvolumen aufweisenden eingebauten Receiver,FIG. 1 shows a known design of a mobile radio device with a built-in receiver having a pre-volume,
Figur 2 eine weitere bekannte Ausbildung eines Mobilfunkgerätes mit einem ein Vorvolumen aufweisenden eingebauten Recei- ver, undFIG. 2 shows another known embodiment of a mobile radio device with a built-in receiver having a pre-volume, and
Figur 3 ein Mobilfunkgerät gemäß der vorliegenden Erfindung mit einem ein Vorvolumen aufweisenden eingebauten Receiver.3 shows a mobile radio device according to the present invention with a built-in receiver having a pre-volume.
Bei dem in Figur 3 dargestellten erfindungsgemäßen Mobilfunkgerät wird das Vorvolumen 34 zwischen der Blende 38 mit der Ausspracheöffnung 36 und Teilen der Oberschale 30 gebildet.In the mobile radio device according to the invention shown in FIG. 3, the pre-volume 34 is formed between the diaphragm 38 with the pronunciation opening 36 and parts of the upper shell 30.
Zwischen der Blende 38 und der Oberschale 30 muss hierbei ei- ne „akustisch1" dichte Verbindung 37 bestehen. Diese „akustisch* dichte Verbindung bzw. Abdichtung kann mittels der üblicherweise verwendeten Klebe- oder HF-Schweiß-Verbindungstechniken oder über ein zusätzliches Dichtungselement zwischen Blende und Oberschale erreicht werden.There must be an "acoustically 1 " tight connection 37 between the cover 38 and the upper shell 30. This "acoustically * tight connection or seal can be made by means of the commonly used adhesive or HF welding connection techniques or via an additional sealing element Aperture and upper shell can be reached.
Für das Vorvolumen 34 kann je nach Bedarf, abhängig vom hinter der Blende 38 zur Verfügung stehenden Bauraum, die komplette Fläche der Blende 38 abzüglich der Dicht- bzw. Verbindungsflächen bzw. abzüglich der Displayfläche und der Dicht- bzw. Verbindungsflächen genutzt werden. Die Ausspracheöffnung 36, welche sich an das Vorvolumen 34 anschließt, kann sich entweder innerhalb der Blende 38 oder am Rand der Blende 38 befinden.Depending on the installation space available behind the panel 38, the entire area of the panel 38 minus the sealing or connecting surfaces or minus the display surface and the sealing or connecting surfaces can be used for the preliminary volume 34. The pronunciation opening 36, which adjoins the pre-volume 34, can be located either within the diaphragm 38 or at the edge of the diaphragm 38.
Das erfindungsgemäße Prinzip ist bei entsprechend großer Blende 38, welche auch den Bereich über dem Receiver 31 abdeckt, um so unter der Blende 38 ein entsprechendes Vorvolumen 14 bilden zu können, anwendbar.The principle according to the invention can be used with a correspondingly large diaphragm 38, which also covers the area above the receiver 31, in order to be able to form a corresponding pre-volume 14 under the diaphragm 38.
Je nach Anordnung kann eine Vergrößerung des Vorvolumens 34 und/oder eine entsprechende Dickenreduzierung des Mobilfunkgerätes bei vergleichbarem Vorvolumen erreicht werden. Dies resultiert hauptsächlich aus der Einsparung von einer bzw. zwei Wandstärken gegenüber den eingangs beschriebenen bekann- ten Lösungen.Depending on the arrangement, an enlargement of the pre-volume 34 and / or a corresponding reduction in thickness of the mobile radio device can be achieved with a comparable pre-volume. This mainly results from the saving of one or two wall thicknesses compared to the known solutions described at the beginning.
Im Vergleich zu der in Figur 2 dargestellten Lösung, bei welcher das Vorvolumen zwischen dem Receiver und der Oberschale gebildet wird, wird die Wandstärke der Oberschale zwischen Vorvolumen und Blende eingespart. Auch kann gegenüber diesem bekannten Stand der Technik die Anschlussöffnung zwischen Receiver und Oberschale wesentlich kleiner ausgeführt werden, somit wird auch das Dichtungselemente kleiner und weniger komplex.In comparison to the solution shown in FIG. 2, in which the pre-volume is formed between the receiver and the upper shell, the wall thickness of the upper shell between the pre-volume and the panel is saved. Compared to this known prior art, the connection opening between the receiver and the upper shell can also be made significantly smaller, so that the sealing element also becomes smaller and less complex.
Verglichen mit der in Figur 1 dargestellten bekannten Lösung, bei welcher das Vorvolumen im eigentlichen Receiver-Gehäuse bzw. mittels einer zusätzlichen Dichtungskappe gebildet wird, wird zusätzlich zur Oberschalenwandung auch noch die Wand- stärke des Receiver-Gehäuses bzw. der Dichtungskappe und damit auch gleichzeitig dieses zusätzliche Bauteil eingespart.Compared to the known solution shown in FIG. 1, in which the preliminary volume is formed in the actual receiver housing or by means of an additional sealing cap, in addition to the upper shell wall, the wall thickness of the receiver housing or the sealing cap is also and therefore simultaneously saved this additional component.
Ein weiterer Vorteil des erfindungsgemäßen Mobilfunkgeräts besteht darin, dass durch eine geringere Größe des Receiver- /Speaker-Gehäuses weniger Fläche auf der darunter liegenden Leiterplatte belegt wird, welche so wiederum zur Bestückung mit Bauteilen genutzt werden kann. Another advantage of the mobile radio device according to the invention is that a smaller size of the receiver / speaker housing means that less space is occupied on the circuit board underneath, which in turn can thus be used to populate components.

Claims

Patentansprüche claims
1. Mobilfunkgerät mit einem ein Vorvolumen aufweisenden eingebauten Receiver, d a d u r c h g e k e n n z e i c h - n e t , dass die Wandungen des Vorvolumens (34) aus Teilen des Mobilfunkgerätegehäuses (30) sowie aus einem Teil eines die Ausspracheöffnung (36) des Receivers (31) abdeckenden Blendenteils (38) gebildet sind.1. Mobile radio device with a built-in receiver having a pre-volume, characterized in that the walls of the pre-volume (34) consist of parts of the mobile radio device housing (30) and part of a diaphragm part (38) covering the pronunciation opening (36) of the receiver (31). are formed.
2. Mobilfunkgerät nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass das Blendenteil (38) Teil einer Displayblende ist.2. Mobile radio device according to claim 1, so that the diaphragm part (38) is part of a display diaphragm.
3. Mobilfunkgerät nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass das Blendenteil (38) Teil einer Dekorblende ist.3. The mobile radio device as claimed in claim 1, so that the cover part (38) is part of a decorative cover.
4. Mobilfunkgerät nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass zwischen Blende (38) und Mobilfunkgehäuse (30) eine akustisch dichte Verbindung besteht.4. Mobile radio device according to one of the preceding claims, that an acoustically sealed connection exists between the cover (38) and the mobile radio housing (30).
5. Mobilfunkgerät nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , dass die akustisch dichte Ver- bindung eine Klebeverbindung ist.5. Mobile radio device according to claim 4, so that the acoustically sealed connection is an adhesive connection.
6. Mobilfunkgerät nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , dass die akustisch dichte Verbindung eine HF-Schweißverbindung ist.6. The mobile radio device as claimed in claim 4, so that the acoustically sealed connection is an HF welded connection.
7. Mobil f unkgerät nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , dass die akustisch dichte Verbindung ein zusätzliches Dichtungselement aufweist. 7. Mobile radio device according to claim 4, so that the acoustically sealed connection has an additional sealing element.
PCT/EP2004/001550 2003-03-04 2004-02-18 Mobile telephone comprising an integrated receiver and a hollow space formed by a shell arranged therebefore WO2004080038A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003109309 DE10309309A1 (en) 2003-03-04 2003-03-04 mobile device
DE10309309.5 2003-03-04

Publications (1)

Publication Number Publication Date
WO2004080038A1 true WO2004080038A1 (en) 2004-09-16

Family

ID=32891836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/001550 WO2004080038A1 (en) 2003-03-04 2004-02-18 Mobile telephone comprising an integrated receiver and a hollow space formed by a shell arranged therebefore

Country Status (3)

Country Link
DE (1) DE10309309A1 (en)
TW (1) TW200420082A (en)
WO (1) WO2004080038A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458828A1 (en) * 2009-07-22 2012-05-30 Nec Corporation Electronic device
WO2019114475A1 (en) * 2017-12-12 2019-06-20 Oppo广东移动通信有限公司 Mobile terminal and its display screen assembly thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293517A (en) * 1994-09-20 1996-03-27 Motorola Inc Portable telephone adapted to accommodate a plurality of distinctive appearances
US5745566A (en) * 1996-10-15 1998-04-28 Motorola, Inc. Portable communication device having removable escutcheon elements
US6002949A (en) * 1997-11-18 1999-12-14 Nortel Networks Corporation Handset with a single transducer for handset and handsfree functionality

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9203669U1 (en) * 1992-03-18 1992-05-07 Siemens AG, 8000 München Mounting a loudspeaker inside a telephone station
GB2333004B (en) * 1997-12-31 2002-03-27 Nokia Mobile Phones Ltd Earpiece acoustics
GB2364198A (en) * 2000-06-30 2002-01-16 Nokia Mobile Phones Ltd Transducer mounting and housing for an electronic device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293517A (en) * 1994-09-20 1996-03-27 Motorola Inc Portable telephone adapted to accommodate a plurality of distinctive appearances
US5745566A (en) * 1996-10-15 1998-04-28 Motorola, Inc. Portable communication device having removable escutcheon elements
US6002949A (en) * 1997-11-18 1999-12-14 Nortel Networks Corporation Handset with a single transducer for handset and handsfree functionality

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458828A1 (en) * 2009-07-22 2012-05-30 Nec Corporation Electronic device
EP2458828A4 (en) * 2009-07-22 2014-04-16 Nec Corp Electronic device
WO2019114475A1 (en) * 2017-12-12 2019-06-20 Oppo广东移动通信有限公司 Mobile terminal and its display screen assembly thereof

Also Published As

Publication number Publication date
TW200420082A (en) 2004-10-01
DE10309309A1 (en) 2004-09-23

Similar Documents

Publication Publication Date Title
DE69814322T2 (en) Printed circuit board connector and manufacturing method therefor
DE102015220949A1 (en) Electronic device
DE3336266A1 (en) HOERGERAET
DE102015107560A1 (en) Sound transducer arrangement with MEMS sound transducer
DE102006036493A1 (en) vacuum pump
WO2004080038A1 (en) Mobile telephone comprising an integrated receiver and a hollow space formed by a shell arranged therebefore
DE102013105788A1 (en) Motor vehicle door outside handle
DE102006008011A1 (en) Portable electronic timer
EP1259096A2 (en) Internal insulation of an electroacoustic capsule
EP1121745B1 (en) Noise suppression circuit
DE102004012229A1 (en) Electronic device, has partition wall that is sectionally moved such that pressure compensation occurs between space section and pressure compensation space section, and electronic components arranged in internal space of casing
DE3142414A1 (en) KEYBOARD FOR COMMUNICATION TERMINALS
DE102017202568A1 (en) MEMS microphone with integrated sound channel
EP0893935A2 (en) Housing for electroacoustic transducer
DE102013223479A1 (en) Housing for a transmission control
DE102007030123B3 (en) computer case
DE102008007744B3 (en) Pressure contact for use in e.g. mobile phone, has spring unit with windings that are arranged into one another and are stamped and bent-out from plane of sheet or foil, where windings lie in common plane when spring unit is compressed
DE112007003701B4 (en) Acoustic chamber for an electronic device
EP2047663B1 (en) Telephone terminal with built-in audio device
DE10239873B4 (en) Speaker mount
DE3425175A1 (en) Piezoelectric acoustic transducer
DE202004009117U1 (en) Communication instrument keypad has a silicon mat, between the key caps and the multi-path switches, for total protection against water spray
DE10303259B3 (en) Miniature camera module support system has sinusoidal-shaped flat conductor for connection between camera module and array of electrical contact elements
DE2257680A1 (en) COMPACT MICROPHONE
DE10128323B4 (en) Holder for a mobile phone in the motor vehicle

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase