WO2004110035A1 - Appareil de radiotelephonie mobile - Google Patents

Appareil de radiotelephonie mobile Download PDF

Info

Publication number
WO2004110035A1
WO2004110035A1 PCT/EP2004/050441 EP2004050441W WO2004110035A1 WO 2004110035 A1 WO2004110035 A1 WO 2004110035A1 EP 2004050441 W EP2004050441 W EP 2004050441W WO 2004110035 A1 WO2004110035 A1 WO 2004110035A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile radio
radio device
loudspeaker
display
circuit board
Prior art date
Application number
PCT/EP2004/050441
Other languages
German (de)
English (en)
Inventor
Udo Beeker
Jörg NITSCHE
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 WO2004110035A1 publication Critical patent/WO2004110035A1/fr

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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the present invention relates to a mobile radio device
  • the loudspeaker is arranged on the upper side of the mobile radio device housing between the display and the rear edge of the mobile radio device housing. This means that at least the diameter of the loudspeaker is included in the overall length of the mobile radio device.
  • the object of the present invention is now to provide a mobile radio device of the type mentioned at the beginning, in which the length is significantly reduced, but at the same time there is no loss of performance in the built-in loudspeaker.
  • This object is achieved according to the invention for the mobile radio device mentioned at the outset in that the loudspeaker is arranged partially below the display. This results in a significant reduction in the length of the mobile radio device, without having a negative impact on the performance of the loudspeaker.
  • An expedient embodiment of the mobile radio device according to the invention is characterized in that the circuit board has at its rear end, on which the display is arranged, a recess into which the loudspeaker can be inserted. In this way, the loudspeaker is simply attached to the circuit board of the mobile radio device.
  • FIG. 1 shows a partial side view of the printed circuit board of a mobile radio device according to the present invention
  • Figure 2 is a partial perspective view from below of the circuit board shown in Figure 1.
  • the drawing shows the circuit board L with the display D, which is locked in a sheet metal frame attached to the circuit board L.
  • the printed circuit board L has a recess into which the loudspeaker R can be inserted.
  • the actual loudspeaker has a holder which has U-shaped rails S on two opposite sides. The loudspeaker is guided and held in the recess of the printed circuit board L by means of these rails S.
  • the fact that the loudspeaker is partially arranged below the display D results in a length reduction d which can be up to half the loudspeaker diameter, the performance of the loudspeaker not being negatively influenced.
  • either the entire length of the mobile device can be shortened, or other components, such as, for. B. the display D, can be extended.
  • the overall thickness of the mobile radio device can additionally be kept low.
  • a sound channel can be provided in a suitable manner between the actual loudspeaker and the sound outlet openings in the wall of the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

Appareil de radiotéléphonie mobile qui comporte un clavier, un écran, un microphone, un haut-parleur et une carte de circuits imprimés logée dans le boîtier de l'appareil de radiotéléphonie mobile et sur laquelle sont placés des composants électroniques de l'appareil de radiotéléphonie mobile. Pour raccourcir la longueur dudit appareil, le haut-parleur (R) est placé en partie sous l'écran (B).
PCT/EP2004/050441 2003-06-06 2004-04-05 Appareil de radiotelephonie mobile WO2004110035A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003125873 DE10325873A1 (de) 2003-06-06 2003-06-06 Mobilfunkgerät
DE10325873.6 2003-06-06

Publications (1)

Publication Number Publication Date
WO2004110035A1 true WO2004110035A1 (fr) 2004-12-16

Family

ID=33482684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/050441 WO2004110035A1 (fr) 2003-06-06 2004-04-05 Appareil de radiotelephonie mobile

Country Status (2)

Country Link
DE (1) DE10325873A1 (fr)
WO (1) WO2004110035A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020065113A1 (en) * 2000-11-28 2002-05-30 Ukyo Mori Electron device
US20020081981A1 (en) * 2000-12-14 2002-06-27 Samsung Electronics Co., Ltd Panel-type speaker mounting structure
US6427017B1 (en) * 1998-11-13 2002-07-30 Nec Corporation Piezoelectric diaphragm and piezoelectric speaker
US20030086562A1 (en) * 2001-11-08 2003-05-08 Wong John Patrick Hands-free speaker telephone
US20030095095A1 (en) * 2001-11-20 2003-05-22 Nokia Corporation Form factor for portable device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001016674A (ja) * 1999-06-28 2001-01-19 Marantz Japan Inc スピーカ内蔵装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6427017B1 (en) * 1998-11-13 2002-07-30 Nec Corporation Piezoelectric diaphragm and piezoelectric speaker
US20020065113A1 (en) * 2000-11-28 2002-05-30 Ukyo Mori Electron device
US20020081981A1 (en) * 2000-12-14 2002-06-27 Samsung Electronics Co., Ltd Panel-type speaker mounting structure
US20030086562A1 (en) * 2001-11-08 2003-05-08 Wong John Patrick Hands-free speaker telephone
US20030095095A1 (en) * 2001-11-20 2003-05-22 Nokia Corporation Form factor for portable device

Also Published As

Publication number Publication date
DE10325873A1 (de) 2004-12-30

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