GB8900490D0 - Portable radio - Google Patents

Portable radio

Info

Publication number
GB8900490D0
GB8900490D0 GB898900490A GB8900490A GB8900490D0 GB 8900490 D0 GB8900490 D0 GB 8900490D0 GB 898900490 A GB898900490 A GB 898900490A GB 8900490 A GB8900490 A GB 8900490A GB 8900490 D0 GB8900490 D0 GB 8900490D0
Authority
GB
United Kingdom
Prior art keywords
portable radio
portable
radio
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.)
Granted
Application number
GB898900490A
Other versions
GB2226931A (en
GB2226931B (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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8900490A priority Critical patent/GB2226931B/en
Publication of GB8900490D0 publication Critical patent/GB8900490D0/en
Publication of GB2226931A publication Critical patent/GB2226931A/en
Application granted granted Critical
Publication of GB2226931B publication Critical patent/GB2226931B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • 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
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transceivers (AREA)
GB8900490A 1989-01-10 1989-01-10 A head-worn radio transceiver. Expired - Fee Related GB2226931B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8900490A GB2226931B (en) 1989-01-10 1989-01-10 A head-worn radio transceiver.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8900490A GB2226931B (en) 1989-01-10 1989-01-10 A head-worn radio transceiver.

Publications (3)

Publication Number Publication Date
GB8900490D0 true GB8900490D0 (en) 1989-05-17
GB2226931A GB2226931A (en) 1990-07-11
GB2226931B GB2226931B (en) 1993-04-21

Family

ID=10649838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8900490A Expired - Fee Related GB2226931B (en) 1989-01-10 1989-01-10 A head-worn radio transceiver.

Country Status (1)

Country Link
GB (1) GB2226931B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108909B (en) 1996-08-13 2002-04-15 Nokia Corp Earphone element and terminal
SE511947C2 (en) * 1997-08-15 1999-12-20 Peltor Ab Hearing protection with control buttons immersed in one hearing cap
AU696163B3 (en) * 1998-05-20 1998-09-03 Ty Logan Head worn entertainment and communication device
US6332223B1 (en) 2000-04-05 2001-12-25 Gray Matter Holdings, Llc Apparatus and method for making an ear warmer having interior seams
US7148879B2 (en) 2000-07-06 2006-12-12 At&T Corp. Bioacoustic control system, method and apparatus
WO2002053061A2 (en) 2000-12-29 2002-07-11 Gray Matter Holdings, Llc Ear protection device
DE10100479A1 (en) * 2001-01-08 2002-07-25 Siemens Ag Mobile communication terminal
US6735784B2 (en) 2002-01-28 2004-05-18 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US7212645B2 (en) 2003-08-12 2007-05-01 180S, Inc. Ear warmer with a speaker system
US7962970B2 (en) 2003-08-12 2011-06-21 180S, Inc. Ear warmer having a curved ear portion
US7650649B2 (en) 2003-08-12 2010-01-26 180S, Inc. Ear warmer having an external frame
WO2008091909A2 (en) 2007-01-22 2008-07-31 180S, Inc. Ear protection device
US8908894B2 (en) 2011-12-01 2014-12-09 At&T Intellectual Property I, L.P. Devices and methods for transferring data through a human body
US10108984B2 (en) 2013-10-29 2018-10-23 At&T Intellectual Property I, L.P. Detecting body language via bone conduction
US9594433B2 (en) 2013-11-05 2017-03-14 At&T Intellectual Property I, L.P. Gesture-based controls via bone conduction
US10678322B2 (en) 2013-11-18 2020-06-09 At&T Intellectual Property I, L.P. Pressure sensing via bone conduction
US9349280B2 (en) 2013-11-18 2016-05-24 At&T Intellectual Property I, L.P. Disrupting bone conduction signals
US9715774B2 (en) 2013-11-19 2017-07-25 At&T Intellectual Property I, L.P. Authenticating a user on behalf of another user based upon a unique body signature determined through bone conduction signals
US9405892B2 (en) 2013-11-26 2016-08-02 At&T Intellectual Property I, L.P. Preventing spoofing attacks for bone conduction applications
CN103873987A (en) * 2014-02-28 2014-06-18 深圳市霞乐高电子科技有限公司 Anti-interference remote wireless microphone system and wireless audio transmission method thereof
US9589482B2 (en) 2014-09-10 2017-03-07 At&T Intellectual Property I, L.P. Bone conduction tags
US9882992B2 (en) 2014-09-10 2018-01-30 At&T Intellectual Property I, L.P. Data session handoff using bone conduction
US9582071B2 (en) 2014-09-10 2017-02-28 At&T Intellectual Property I, L.P. Device hold determination using bone conduction
US10045732B2 (en) 2014-09-10 2018-08-14 At&T Intellectual Property I, L.P. Measuring muscle exertion using bone conduction
US9600079B2 (en) 2014-10-15 2017-03-21 At&T Intellectual Property I, L.P. Surface determination via bone conduction
US10831316B2 (en) 2018-07-26 2020-11-10 At&T Intellectual Property I, L.P. Surface interface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218607A (en) * 1962-12-10 1965-11-16 Bendix Corp Underwater telephone
US4340972A (en) * 1979-08-07 1982-07-20 Sporteach, Inc. Transmitter/receiver teaching apparatus
FR2609560B1 (en) * 1987-01-09 1990-11-23 Thomson Csf LANGMUIR-BLODGETT FILMS FOR USE IN NON-LINEAR OPTICS

Also Published As

Publication number Publication date
GB2226931A (en) 1990-07-11
GB2226931B (en) 1993-04-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010110