GB0027042D0 - Audio amplification device for a cellular telephone - Google Patents

Audio amplification device for a cellular telephone

Info

Publication number
GB0027042D0
GB0027042D0 GBGB0027042.1A GB0027042A GB0027042D0 GB 0027042 D0 GB0027042 D0 GB 0027042D0 GB 0027042 A GB0027042 A GB 0027042A GB 0027042 D0 GB0027042 D0 GB 0027042D0
Authority
GB
United Kingdom
Prior art keywords
cellular telephone
amplification device
audio amplification
audio
telephone
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.)
Withdrawn
Application number
GBGB0027042.1A
Other versions
GB2368745A (en
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.)
LI KAIMAN
Original Assignee
LI KAIMAN
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 LI KAIMAN filed Critical LI KAIMAN
Publication of GB0027042D0 publication Critical patent/GB0027042D0/en
Publication of GB2368745A publication Critical patent/GB2368745A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H04M1/2155—Acoustic coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
GB0027042A 2000-08-01 2000-11-03 Amplifier for a loudspeaking mobile phone Withdrawn GB2368745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000TO000768A IT1320576B1 (en) 2000-08-01 2000-08-01 AUDIO AMPLIFICATION DEVICE FOR A MOBILE PHONE.

Publications (2)

Publication Number Publication Date
GB0027042D0 true GB0027042D0 (en) 2000-12-20
GB2368745A GB2368745A (en) 2002-05-08

Family

ID=11457976

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0027042A Withdrawn GB2368745A (en) 2000-08-01 2000-11-03 Amplifier for a loudspeaking mobile phone
GB0118200A Expired - Fee Related GB2365656B (en) 2000-08-01 2001-07-26 Audio amplification device for a cellular telephone

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0118200A Expired - Fee Related GB2365656B (en) 2000-08-01 2001-07-26 Audio amplification device for a cellular telephone

Country Status (4)

Country Link
DE (1) DE10137547A1 (en)
GB (2) GB2368745A (en)
HK (1) HK1030725A2 (en)
IT (1) IT1320576B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9401340D0 (en) * 1994-01-25 1994-03-23 Jondelius Bjorn K E Mobile telephone extension units
CN1283059A (en) * 2000-08-28 2001-02-07 均豪电子(深圳)有限公司 Handless unit for mobile telephone

Also Published As

Publication number Publication date
IT1320576B1 (en) 2003-12-10
HK1030725A2 (en) 2001-05-04
ITTO20000768A1 (en) 2002-02-01
GB0118200D0 (en) 2001-09-19
ITTO20000768A0 (en) 2000-08-01
GB2365656A (en) 2002-02-20
GB2365656B (en) 2002-10-09
GB2368745A (en) 2002-05-08
DE10137547A1 (en) 2002-02-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)