GB2226931A - Portable radio/transmitter - Google Patents

Portable radio/transmitter Download PDF

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Publication number
GB2226931A
GB2226931A GB8900490A GB8900490A GB2226931A GB 2226931 A GB2226931 A GB 2226931A GB 8900490 A GB8900490 A GB 8900490A GB 8900490 A GB8900490 A GB 8900490A GB 2226931 A GB2226931 A GB 2226931A
Authority
GB
United Kingdom
Prior art keywords
radio
headband
portable radio
earpieces
earpiece
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
GB8900490A
Other versions
GB8900490D0 (en
GB2226931B (en
Inventor
Derek Ronald Jackson
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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transceivers (AREA)

Abstract

A portable radio transmitter and receiver construction which is arranged for being carried entirely on the head of a user, the radio 1 comprises an adjustable headband 2 which supports two earpieces, in which a first earpiece 3 includes a battery compartment, a power lead from said compartment extending along the headband to the second earpiece 4, the second earpiece comprises a frequency modulation transmitter/receiver radio, an earphone and a microphone, an on/off and a volume control switch, with an aerial lead for said radio being located along the length of the headband 2. This gives a compact radio construction which, if necessary, can be worn beneath a protective safety helmet. <IMAGE>

Description

PORTABLE RADIO This invention relates to a portable radio. The invention relates particularly to a portable radio transmitter and receiver construction which is able to be carried entirely on the body of a user.
In the provision of a portable radio transmitter and receiver unit which is intended for some active service use, such as for a military application, it does not give optimum convenience if a separate battery pack or a lengthy telescopic or rod aerial must be attached. The present invention was devised to provide a portable radio which has a simplified mechanical construction with all the necessary components being grouped together in a single compact unit.
According to the invention, there is provided a portable radio transmitter and receiver construction which is arranged for being carried entirely on the head of the user, the radio comprising an adjustable headband which supports two earpieces, in which a first one of said earpieces includes a battery compartment, a power lead from said compartment extending along the said headband to the second earpiece, a second one of said earpieces comprising a frequency modulation transmitter/receiver radio, an earphone and a microphone, an on/off and a volume control switch, with an aerial lead for said radio being located along the length of said headband.
The microphone may be a bone-conduction microphone.
In one embodiment, the said radio additionally includes a signal anti-jamming circuit. The anti-jamming circuit may employ a nonlinear signal processor.
The radio may be arranged to be tuneable by means of a switch capable of selecting one of a set of predetermined frequency channels. The earpieces of the headband may have an earshell shape arranged such that the radio is capable of being worn under a protective safety helmet.
By way of example, a particular embodiment of the invention will now be described with reference to the accompanying drawing, in which: Figure 1 is a front view of the portable radio construction, and, Figure 2 is a side view of one type of helmet with which the portable radio could be used.
As shown in Figure 1, the portable radio 1 has a general appearance similar to that of a pair of headphones. A headband 2 which is adjustable and made of a resilient material supports a first earpiece 3 and on an opposite side a second earpiece 4.
The first earpiece 3 houses a battery compartment which is capable of accommodating battery cells of the standard Ak size. The cells intended to be used could thus be primary cells or, for example, rechargeable secondary cells. The first earpiece 3 therefore does not serve any audio function but it is provided with ventilation holes to allow normal external hearing to the user on the side of the relevant ear.
The battery compartment is connected to the second earpiece 4 by means of a power lead, which is attached to the headband 2.
The second earpiece 4 is similar in external shape to the first earpiece 3 but it is arranged to accommodate all of the electronic circuit parts of the radio. These circuit parts include a frequency modulation combined radio transmitter and receiver which has predetermined frequency channels for the communication signals.
The choice of the particular channel which is to be used is controlled by a selection switch.
The operation of the radio is also controlled by an on/off switch which is combined with a volume control switch.
The radio circuit in addition includes an anti-jamming circuit which is intended yo reduce deliberate interference with the communications process, and which employs a non-linear signal processor. The operation of the anti-jamming function is controlled by a second on/off switch.
A further control switch allows the radio transmission to be effected by means of a press-to-talk (PTT) operation or by an automatic voice-operated switch (VOX) function.
The radio is provided with a single earphone for the output signals and a sound input from the user is obtained from a bone conduction microphone located adjacent the user's cheekbone. An aerial lead for the radio is located along the length of the headband.
In the electronic design of the radio, it was considered that this should be capable of being tuned over a ten MHz portion within the 30-88 MHz frequency band. Three preset frequency channels were able to be provided. The output power could be usefully 0.5W, but preferably would be 1.0W. The value for Signal, Noise and Distortion Measurement (SINAD) in the reception mode should be not worse than -113 dBm for 10 dB SINAD.
The invention has been found to be capable of being made in the form of a ruggedised infantry type headset radio having a range of about one kilometre. The shape of the earshells on each side are such that they can be worn beneath a conventional infantry headset helmet 6 (Figure 2). With this arrangement, in order to avoid any screening of radio frequency signals from or to the aerial, the helmet should be of a non-electrically conductive material. The user, therefore, can be free to choose whether to wear these two items together or just to wear the portable radio on its own.
The foregoing description of an embodiment of the invention has been given by way of example only and a number of modifications may be made without departing from the scope of the invention as defined in the appended claims. For instance, use by military personnel is not the only possibility and the portable radio is also likely to be extremely helpful for two-way communication between workers in other fields such as the police, firemen and mountain rescue services. Instead of requiring standard primary cells for the battery compartment, the design might be rearranged so that a special rechargeable battery unit could be accommodated.

Claims (7)

CLAIMS:
1. A portable radio transmitter and receiver construction which is arranged for being carried entirely on the head of a user, the radio comprising an adjustable headband which supports two earpieces, in which a first one of said earpieces includes a battery compartment, a power lead from said compartment extending along the said headband to the second earpiece, a second one of said earpieces comprising a frequency modulation transmitter/receiver radio, a earphone and a microphone, an on/off and a volume control switch, with an aerial lead for said radio being located along the length of said headband.
2. A portable radio as claimed in Claim 1, in which the microphone is a bone-conduction microphone.
3. A portable radio as claimed in Claim 1 or 2, in which the said radio additionally includes a signal anti-jamming circuit.
4. A portable radio as claimed in Claim 3, in which the antijamming circuit employs a non-linear signal processor.
5. A portable radio as claimed in any one of Claims 1 to 4, in which the said radio is arranged to be tuneable by means of a switch capable of selecting one of a set of predetermined frequency channels.
6. A portable radio as claimed in any one of Claims 1 to 5, in which the earpieces of the headband have an earshell shape arranged such that the radio is capable of being worn under a protective safety helmet.
7. A portable radio substantially as hereinbefore described with reference to the accompanying drawing.
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 GB8900490D0 (en) 1989-05-17
GB2226931A true 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)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU696163B3 (en) * 1998-05-20 1998-09-03 Ty Logan Head worn entertainment and communication device
WO1999012385A1 (en) * 1997-08-15 1999-03-11 Peltor Ab An arrangement in acoustic headsets
US6415034B1 (en) 1996-08-13 2002-07-02 Nokia Mobile Phones Ltd. Earphone unit and a terminal device
WO2002054609A1 (en) * 2001-01-08 2002-07-11 Siemens Aktiengesellschaft Mobile communications terminal
US7996923B2 (en) 2002-01-28 2011-08-16 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US8325961B2 (en) 2003-08-12 2012-12-04 180S, Inc. Ear warmer with a speaker system
US8438666B2 (en) 2000-04-05 2013-05-14 180S, Inc. Ear warmer with adjustability
US8443466B2 (en) 2007-01-22 2013-05-21 180S, Inc. Ear protection device
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
US9066829B2 (en) 2003-08-12 2015-06-30 180S, Inc. Ear warmer with fabric member
US9132038B2 (en) 2003-08-12 2015-09-15 180S, Inc. Ear warmer having a curved ear portion
US9241517B2 (en) 2000-12-29 2016-01-26 180S, Inc. Ear protection device
US9712929B2 (en) 2011-12-01 2017-07-18 At&T Intellectual Property I, L.P. Devices and methods for transferring data through a human body
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
US9736180B2 (en) 2013-11-26 2017-08-15 At&T Intellectual Property I, L.P. Preventing spoofing attacks for bone conduction applications
US9882992B2 (en) 2014-09-10 2018-01-30 At&T Intellectual Property I, L.P. Data session handoff using bone conduction
US9997060B2 (en) 2013-11-18 2018-06-12 At&T Intellectual Property I, L.P. Disrupting bone conduction signals
US10045732B2 (en) 2014-09-10 2018-08-14 At&T Intellectual Property I, L.P. Measuring muscle exertion using bone conduction
US10108984B2 (en) 2013-10-29 2018-10-23 At&T Intellectual Property I, L.P. Detecting body language via bone conduction
US10126828B2 (en) 2000-07-06 2018-11-13 At&T Intellectual Property Ii, L.P. Bioacoustic control system, method and apparatus
US10276003B2 (en) 2014-09-10 2019-04-30 At&T Intellectual Property I, L.P. Bone conduction tags
US10281991B2 (en) 2013-11-05 2019-05-07 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
US10831316B2 (en) 2018-07-26 2020-11-10 At&T Intellectual Property I, L.P. Surface interface

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9582071B2 (en) 2014-09-10 2017-02-28 At&T Intellectual Property I, L.P. Device hold determination using bone conduction
US9600079B2 (en) 2014-10-15 2017-03-21 At&T Intellectual Property I, L.P. Surface determination via bone conduction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB980850A (en) * 1962-12-10 1965-01-20 Bendix Corp Underwater telephone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB980850A (en) * 1962-12-10 1965-01-20 Bendix Corp Underwater telephone

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415034B1 (en) 1996-08-13 2002-07-02 Nokia Mobile Phones Ltd. Earphone unit and a terminal device
US6965681B2 (en) 1997-08-15 2005-11-15 Peltor Ab Arrangement in acoustic headsets
WO1999012385A1 (en) * 1997-08-15 1999-03-11 Peltor Ab An arrangement in acoustic headsets
US7317809B2 (en) 1997-08-15 2008-01-08 Peltor Ab Arrangement in acoustic headsets
WO1999060816A1 (en) * 1998-05-20 1999-11-25 Ty Logan Head worn entertainment and/or communication device
US6879699B1 (en) 1998-05-20 2005-04-12 Ty Logan Head worn entertainment and/or communication device
AU696163B3 (en) * 1998-05-20 1998-09-03 Ty Logan Head worn entertainment and communication device
US8438666B2 (en) 2000-04-05 2013-05-14 180S, Inc. Ear warmer with adjustability
US10126828B2 (en) 2000-07-06 2018-11-13 At&T Intellectual Property Ii, L.P. Bioacoustic control system, method and apparatus
US9241517B2 (en) 2000-12-29 2016-01-26 180S, Inc. Ear protection device
WO2002054609A1 (en) * 2001-01-08 2002-07-11 Siemens Aktiengesellschaft Mobile communications terminal
US7996923B2 (en) 2002-01-28 2011-08-16 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US8713714B2 (en) 2002-01-28 2014-05-06 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US8325961B2 (en) 2003-08-12 2012-12-04 180S, Inc. Ear warmer with a speaker system
US9132038B2 (en) 2003-08-12 2015-09-15 180S, Inc. Ear warmer having a curved ear portion
US10111781B2 (en) 2003-08-12 2018-10-30 180S, Inc. Ear warmer with a substantially continuous surface
US9259355B2 (en) 2003-08-12 2016-02-16 180S, Inc. Ear warmer with fabric member
US9066829B2 (en) 2003-08-12 2015-06-30 180S, Inc. Ear warmer with fabric member
US8443466B2 (en) 2007-01-22 2013-05-21 180S, Inc. Ear protection device
US9712929B2 (en) 2011-12-01 2017-07-18 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
US10831282B2 (en) 2013-11-05 2020-11-10 At&T Intellectual Property I, L.P. Gesture-based controls via bone conduction
US10281991B2 (en) 2013-11-05 2019-05-07 At&T Intellectual Property I, L.P. Gesture-based controls via bone conduction
US10497253B2 (en) 2013-11-18 2019-12-03 At&T Intellectual Property I, L.P. Disrupting bone conduction signals
US9997060B2 (en) 2013-11-18 2018-06-12 At&T Intellectual Property I, L.P. Disrupting bone conduction signals
US10678322B2 (en) 2013-11-18 2020-06-09 At&T Intellectual Property I, L.P. Pressure sensing via bone conduction
US10964204B2 (en) 2013-11-18 2021-03-30 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
US9972145B2 (en) 2013-11-19 2018-05-15 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
US9736180B2 (en) 2013-11-26 2017-08-15 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
US10276003B2 (en) 2014-09-10 2019-04-30 At&T Intellectual Property I, L.P. Bone conduction tags
US10045732B2 (en) 2014-09-10 2018-08-14 At&T Intellectual Property I, L.P. Measuring muscle exertion using bone conduction
US9882992B2 (en) 2014-09-10 2018-01-30 At&T Intellectual Property I, L.P. Data session handoff using bone conduction
US11096622B2 (en) 2014-09-10 2021-08-24 At&T Intellectual Property I, L.P. Measuring muscle exertion using bone conduction
US10831316B2 (en) 2018-07-26 2020-11-10 At&T Intellectual Property I, L.P. Surface interface

Also Published As

Publication number Publication date
GB8900490D0 (en) 1989-05-17
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