GB0020421D0 - Mobile phone personal hands free device - Google Patents

Mobile phone personal hands free device

Info

Publication number
GB0020421D0
GB0020421D0 GB0020421A GB0020421A GB0020421D0 GB 0020421 D0 GB0020421 D0 GB 0020421D0 GB 0020421 A GB0020421 A GB 0020421A GB 0020421 A GB0020421 A GB 0020421A GB 0020421 D0 GB0020421 D0 GB 0020421D0
Authority
GB
United Kingdom
Prior art keywords
mobile phone
hands free
free device
personal hands
phone personal
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.)
Ceased
Application number
GB0020421A
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.)
GRAYSTONE B
Warren C D
Original Assignee
GRAYSTONE B
Warren C D
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 GRAYSTONE B, Warren C D filed Critical GRAYSTONE B
Priority to GB0020421A priority Critical patent/GB0020421D0/en
Publication of GB0020421D0 publication Critical patent/GB0020421D0/en
Priority to GB0030906A priority patent/GB2366117A/en
Ceased legal-status Critical Current

Links

GB0020421A 2000-08-19 2000-08-19 Mobile phone personal hands free device Ceased GB0020421D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0020421A GB0020421D0 (en) 2000-08-19 2000-08-19 Mobile phone personal hands free device
GB0030906A GB2366117A (en) 2000-08-19 2000-12-19 Hands-free accessory with acoustic link

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0020421A GB0020421D0 (en) 2000-08-19 2000-08-19 Mobile phone personal hands free device

Publications (1)

Publication Number Publication Date
GB0020421D0 true GB0020421D0 (en) 2000-10-04

Family

ID=9897899

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0020421A Ceased GB0020421D0 (en) 2000-08-19 2000-08-19 Mobile phone personal hands free device
GB0030906A Withdrawn GB2366117A (en) 2000-08-19 2000-12-19 Hands-free accessory with acoustic link

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0030906A Withdrawn GB2366117A (en) 2000-08-19 2000-12-19 Hands-free accessory with acoustic link

Country Status (1)

Country Link
GB (2) GB0020421D0 (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
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
CN112291662A (en) * 2020-10-27 2021-01-29 四川大学 Earphone and matching device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851123A (en) * 1973-10-19 1974-11-26 Motorola Inc Mechanical audio coupling device
US3993879A (en) * 1975-03-24 1976-11-23 Wallace Keith Larkin Acoustical communications headset
US5208867A (en) * 1990-04-05 1993-05-04 Intelex, Inc. Voice transmission system and method for high ambient noise conditions
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
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

Also Published As

Publication number Publication date
GB2366117A (en) 2002-02-27
GB0030906D0 (en) 2001-01-31

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)