GB0008740D0 - Acoustic radio frequency isolator - Google Patents

Acoustic radio frequency isolator

Info

Publication number
GB0008740D0
GB0008740D0 GB0008740A GB0008740A GB0008740D0 GB 0008740 D0 GB0008740 D0 GB 0008740D0 GB 0008740 A GB0008740 A GB 0008740A GB 0008740 A GB0008740 A GB 0008740A GB 0008740 D0 GB0008740 D0 GB 0008740D0
Authority
GB
United Kingdom
Prior art keywords
radio frequency
frequency isolator
acoustic radio
acoustic
isolator
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Withdrawn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
GB0008740A
Other versions
GB2365654A (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.)
EDGINTON BENJAMIN
Original Assignee
EDGINTON BENJAMIN
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 EDGINTON BENJAMIN filed Critical EDGINTON BENJAMIN
Priority to GB0008740A priority Critical patent/GB2365654A/en
Publication of GB0008740D0 publication Critical patent/GB0008740D0/en
Publication of GB2365654A publication Critical patent/GB2365654A/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Withdrawn legal-status Critical Current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
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB0008740A 2000-04-11 2000-04-11 R.F. isolator for mobile telephones uses an acoustic tube Withdrawn GB2365654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0008740A GB2365654A (en) 2000-04-11 2000-04-11 R.F. isolator for mobile telephones uses an acoustic tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0008740A GB2365654A (en) 2000-04-11 2000-04-11 R.F. isolator for mobile telephones uses an acoustic tube

Publications (2)

Publication Number Publication Date
GB0008740D0 true GB0008740D0 (en) 2000-05-31
GB2365654A GB2365654A (en) 2002-02-20

Family

ID=9889553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0008740A Withdrawn GB2365654A (en) 2000-04-11 2000-04-11 R.F. isolator for mobile telephones uses an acoustic tube

Country Status (1)

Country Link
GB (1) GB2365654A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0109684D0 (en) * 2001-04-20 2001-06-13 Henderson Paul V Earpiece
GB2376591A (en) * 2001-05-08 2002-12-18 Andreas Simeou Hands-free device with no electronics
ES2197764B1 (en) * 2001-07-13 2005-04-01 Jesus Domingo Rico SOUND SYSTEM FOR HEADPHONES AND MICROPHONES.
GB2385484A (en) * 2002-02-15 2003-08-20 Andreas Antoniou Simeou Mobile phone hands-free earpiece attachment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090042A (en) * 1975-03-24 1978-05-16 Kayce, Inc. Acoustical communications headset
US5613222A (en) * 1994-06-06 1997-03-18 The Creative Solutions Company Cellular telephone headset for hand-free communication
US5528689A (en) * 1994-11-07 1996-06-18 Chan; Alex Y. Telephone headset adaptor including a hearing sound tube, a speaking sound tube, a headset, a telephone ear cup and a telephone mouth cup
AU664970B3 (en) * 1995-07-25 1995-12-07 Gregory John Whyte Acoustic communication device
AUPN601695A0 (en) * 1995-10-18 1995-11-09 Whitby, David Scott Acoustically coupled handsfree adaptor for handheld mobile telephones
AUPO347996A0 (en) * 1996-11-07 1996-12-05 Aust-Indo Tech Pty Limited Mobile phone accessory
US6181801B1 (en) * 1997-04-03 2001-01-30 Resound Corporation Wired open ear canal earpiece
AU740458B2 (en) * 1997-07-03 2001-11-01 Geoffrey Allan Thomas Hands-free accessory for mobile telephones
GB0008444D0 (en) * 2000-04-06 2000-05-24 Sheldon Simon Hands-free attachment
GB2362057A (en) * 2000-05-04 2001-11-07 Martin Paul Davidson Wire-less link accessory for mobile telephones

Also Published As

Publication number Publication date
GB2365654A (en) 2002-02-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)