WO2001082648A3 - Portable communications equipment - Google Patents

Portable communications equipment Download PDF

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Publication number
WO2001082648A3
WO2001082648A3 PCT/GB2001/001740 GB0101740W WO0182648A3 WO 2001082648 A3 WO2001082648 A3 WO 2001082648A3 GB 0101740 W GB0101740 W GB 0101740W WO 0182648 A3 WO0182648 A3 WO 0182648A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiator
communications device
portable communications
communications equipment
accessory
Prior art date
Application number
PCT/GB2001/001740
Other languages
French (fr)
Other versions
WO2001082648A2 (en
Inventor
Henry Azima
David Gamble
Neil Simon Owen
Original Assignee
New Transducers Ltd
Henry Azima
David Gamble
Neil Simon Owen
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 New Transducers Ltd, Henry Azima, David Gamble, Neil Simon Owen filed Critical New Transducers Ltd
Priority to AU50496/01A priority Critical patent/AU5049601A/en
Publication of WO2001082648A2 publication Critical patent/WO2001082648A2/en
Publication of WO2001082648A3 publication Critical patent/WO2001082648A3/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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use

Abstract

The combination of a personal portable communications device having an audio output intended for use when proximate to a user's ear, and a physically separable accessory to amplify the audio output of the communications device for remote reception, the accessory comprising a bending wave panel-form acoustic radiator, and the communications device comprising vibration transducer means for coupling to the radiator to drive bending wave energy into the radiator to produce an acoustic output therefrom.
PCT/GB2001/001740 2000-04-20 2001-04-18 Portable communications equipment WO2001082648A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU50496/01A AU5049601A (en) 2000-04-20 2001-04-18 Portable communications equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0009704.8 2000-04-20
GB0009704A GB0009704D0 (en) 2000-04-20 2000-04-20 Portable communications equipment

Publications (2)

Publication Number Publication Date
WO2001082648A2 WO2001082648A2 (en) 2001-11-01
WO2001082648A3 true WO2001082648A3 (en) 2002-11-14

Family

ID=9890250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/001740 WO2001082648A2 (en) 2000-04-20 2001-04-18 Portable communications equipment

Country Status (3)

Country Link
AU (1) AU5049601A (en)
GB (1) GB0009704D0 (en)
WO (1) WO2001082648A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1424872A1 (en) * 2002-11-29 2004-06-02 Siemens Aktiengesellschaft Device with bending waves loudspeaker and coupling element for external acoustic transducing surfaces

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998016409A1 (en) * 1996-10-16 1998-04-23 Nct Group, Inc. Vehicle loudspeakers
US6002949A (en) * 1997-11-18 1999-12-14 Nortel Networks Corporation Handset with a single transducer for handset and handsfree functionality
US6035221A (en) * 1997-01-15 2000-03-07 Ericsson Inc. Speaker phone module connectable to either a cellular telephone or battery charger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998016409A1 (en) * 1996-10-16 1998-04-23 Nct Group, Inc. Vehicle loudspeakers
US6035221A (en) * 1997-01-15 2000-03-07 Ericsson Inc. Speaker phone module connectable to either a cellular telephone or battery charger
US6002949A (en) * 1997-11-18 1999-12-14 Nortel Networks Corporation Handset with a single transducer for handset and handsfree functionality

Also Published As

Publication number Publication date
WO2001082648A2 (en) 2001-11-01
GB0009704D0 (en) 2000-06-07
AU5049601A (en) 2001-11-07

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