GB2387107A - Ultrasonic clearing of water droplets from crash-helmet visors - Google Patents

Ultrasonic clearing of water droplets from crash-helmet visors Download PDF

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Publication number
GB2387107A
GB2387107A GB0207800A GB0207800A GB2387107A GB 2387107 A GB2387107 A GB 2387107A GB 0207800 A GB0207800 A GB 0207800A GB 0207800 A GB0207800 A GB 0207800A GB 2387107 A GB2387107 A GB 2387107A
Authority
GB
United Kingdom
Prior art keywords
visor
water droplets
crash
helmet visors
ultrasonic
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Withdrawn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
GB0207800A
Other versions
GB0207800D0 (en
Inventor
Benjamin John Ridehough
Original Assignee
Benjamin John Ridehough
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 Benjamin John Ridehough filed Critical Benjamin John Ridehough
Priority to GB0207800A priority Critical patent/GB2387107A/en
Publication of GB0207800D0 publication Critical patent/GB0207800D0/en
Publication of GB2387107A publication Critical patent/GB2387107A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/18Face protection devices
    • A42B3/22Visors
    • A42B3/26Visors with cleaning means, e.g. wipers ; Movable or interchangeable vision films or sheets
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/18Face protection devices
    • A42B3/22Visors
    • A42B3/24Visors with means for avoiding fogging or misting

Abstract

A motorcycle visor is provided with an ultrasonic vibrator to disperse water droplets thereon. Preferably this is achieved by means of an ultrasonic piezoelectric transducer 1 attached to the visor 2 and powered either by the motorcycles own electrical supply or from a separate battery.

Description

23871 07
Ultrasonic Clearing of Crash -helmet visors.
The invention concerns the removal of raindrops and/or condensation from the visor of a crash-helmet. Desirably the visor is caused to vibrate at a frequency above the audible range by the use of an electrically powered transducer. Preferably the transducer is coupled solidly to the visor. Power may be supplied either from the electrical system of the motorcycle or by a battery mounted on the helmet or the visor. An obvious extension of the principle would be to apply it to the windscreens of cars etc. Construction of the invention is illustrated by way of example only in figure 1.
Referring to figure 1, desirably transducer 1 is provided with a threaded extension whereby the transducer may be secured to visor 2 using nut 3. Preferably transducer 1 is also provided with polarised connector 4 to receive power from an external source.

Claims (3)

Claims:
1 A motorcycle helmet visor incorporating means of dislodging water droplets or other foreign particles by vibrating the visor at a frequency above the audible range.
2 A visor as described in claim 1 wherein the vibrating means is excited by the application of electrical power.
3 A visor as described in claims 1 and 2 wherein the vibrating means comprises a piezo-
electric transducer.
GB0207800A 2002-04-04 2002-04-04 Ultrasonic clearing of water droplets from crash-helmet visors Withdrawn GB2387107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0207800A GB2387107A (en) 2002-04-04 2002-04-04 Ultrasonic clearing of water droplets from crash-helmet visors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0207800A GB2387107A (en) 2002-04-04 2002-04-04 Ultrasonic clearing of water droplets from crash-helmet visors

Publications (2)

Publication Number Publication Date
GB0207800D0 GB0207800D0 (en) 2002-05-15
GB2387107A true GB2387107A (en) 2003-10-08

Family

ID=9934253

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0207800A Withdrawn GB2387107A (en) 2002-04-04 2002-04-04 Ultrasonic clearing of water droplets from crash-helmet visors

Country Status (1)

Country Link
GB (1) GB2387107A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012095643A1 (en) 2011-01-10 2012-07-19 Echovista Systems Limited Clearing precipitation
WO2015011064A1 (en) * 2013-07-22 2015-01-29 Echovista Systems Ltd Ultrasonically clearing precipitation
WO2018050786A1 (en) * 2016-09-16 2018-03-22 Echovista Gmbh Ultrasonic fluid clearing systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768256A (en) * 1986-11-07 1988-09-06 Motoda Electronics Co., Ltd. Ultrasonic wiper
GB2239782A (en) * 1990-01-16 1991-07-17 Edwin Spencer Crash helmet with visor wiper
GB2285390A (en) * 1994-01-06 1995-07-12 Vincenzo Simone Helmet clip-on wiper
US5724186A (en) * 1996-07-25 1998-03-03 Collier; John D. Ultrasonic rearview mirror

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768256A (en) * 1986-11-07 1988-09-06 Motoda Electronics Co., Ltd. Ultrasonic wiper
GB2239782A (en) * 1990-01-16 1991-07-17 Edwin Spencer Crash helmet with visor wiper
GB2285390A (en) * 1994-01-06 1995-07-12 Vincenzo Simone Helmet clip-on wiper
US5724186A (en) * 1996-07-25 1998-03-03 Collier; John D. Ultrasonic rearview mirror

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9316436B2 (en) 2011-01-10 2016-04-19 Echovista Gmbh Clearing precipitation
DE202012012670U1 (en) 2011-01-10 2013-08-07 Echovista Systems Ltd. Device for removing precipitation
WO2012095643A1 (en) 2011-01-10 2012-07-19 Echovista Systems Limited Clearing precipitation
GB2518136B (en) * 2013-07-22 2016-09-14 Echovista Gmbh Ultrasonically clearing precipitation
GB2518136A (en) * 2013-07-22 2015-03-18 Echovista Systems Ltd Ultrasonically clearing precipitation
CN105408033A (en) * 2013-07-22 2016-03-16 艾克维斯塔股份有限公司 An apparatus and method for clearing water from a window
WO2015011123A1 (en) * 2013-07-22 2015-01-29 Echovista Systems Ltd An apparatus and method for clearing water from a window
WO2015011064A1 (en) * 2013-07-22 2015-01-29 Echovista Systems Ltd Ultrasonically clearing precipitation
US10207300B2 (en) 2013-07-22 2019-02-19 Echovista Gmbh Ultrasonically clearing precipitation
CN105408033B (en) * 2013-07-22 2018-10-12 艾克维斯塔股份有限公司 A kind of device and method of water on cleaning window
US10150143B2 (en) 2013-07-22 2018-12-11 Echovista Gmbh Apparatus and method for clearing water from a window
WO2018050786A1 (en) * 2016-09-16 2018-03-22 Echovista Gmbh Ultrasonic fluid clearing systems
CN109715304A (en) * 2016-09-16 2019-05-03 艾克维斯塔股份有限公司 Ultrasonic fluid removes system
US10933451B2 (en) 2016-09-16 2021-03-02 Echovista Gmbh Ultrasonic fluid clearing systems

Also Published As

Publication number Publication date
GB0207800D0 (en) 2002-05-15

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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)