FR2014846A1 - - Google Patents

Info

Publication number
FR2014846A1
FR2014846A1 FR6925681A FR6925681A FR2014846A1 FR 2014846 A1 FR2014846 A1 FR 2014846A1 FR 6925681 A FR6925681 A FR 6925681A FR 6925681 A FR6925681 A FR 6925681A FR 2014846 A1 FR2014846 A1 FR 2014846A1
Authority
FR
France
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Withdrawn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
FR6925681A
Other languages
French (fr)
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.)
Amplivox Ltd
Original Assignee
Amplivox 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
Priority claimed from GB2833969A external-priority patent/GB1276498A/en
Application filed by Amplivox Ltd filed Critical Amplivox Ltd
Publication of FR2014846A1 publication Critical patent/FR2014846A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
FR6925681A 1968-08-01 1969-07-28 Withdrawn FR2014846A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2833969A GB1276498A (en) 1968-08-01 1968-08-01 Improvements in and relating to ear defenders
GB3684268 1968-08-01

Publications (1)

Publication Number Publication Date
FR2014846A1 true FR2014846A1 (en) 1970-04-24

Family

ID=26259333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6925681A Withdrawn FR2014846A1 (en) 1968-08-01 1969-07-28

Country Status (6)

Country Link
US (1) US3637040A (en)
CH (1) CH496441A (en)
DE (1) DE1938259C3 (en)
FR (1) FR2014846A1 (en)
NL (1) NL156042B (en)
SE (1) SE352526B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546355A1 (en) * 1983-05-19 1984-11-23 Fame PROTECTIVE HELMET AND SOUND SIGNAL TRANSMITTER

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837681A (en) * 1973-06-28 1974-09-24 W Reynolds Stethoscope
US3938616A (en) * 1973-11-27 1976-02-17 Brownfield Swayze W Sound multiplier
US3934100A (en) * 1974-04-22 1976-01-20 Seeburg Corporation Acoustic coupler for use with auditory equipment
US4529057A (en) * 1982-04-13 1985-07-16 The Marconi Company Limited Ear defenders
US4441576A (en) * 1982-04-19 1984-04-10 Allen Clayton H Nonlinear passive acoustic filtering
US4459707A (en) * 1982-08-23 1984-07-17 Cabot Corporation Ear protecting device
US4465159A (en) * 1983-03-11 1984-08-14 Cabot Corporation Nonlinear ear protecting device
DE3623315A1 (en) * 1986-07-11 1988-01-21 Wolfgang Brede Kg Device for a low-pass hearing protection
US7317802B2 (en) * 2000-07-25 2008-01-08 Lightspeed Aviation, Inc. Active-noise-reduction headsets with front-cavity venting
US20080165981A1 (en) * 2000-07-25 2008-07-10 Michael Jon Wurtz Active-noise-reduction headsets with front-cavity venting
US6826287B2 (en) * 2001-04-09 2004-11-30 Cabot Safety Intermediate Corporation Earmuff with controlled leak
US20040125976A1 (en) * 2002-12-30 2004-07-01 Reneker Brian Scott Headphones or earmuffs with a user operated mechanical device that controls the volume of exterior sound entering the ear of the user
FR2857551B1 (en) * 2003-04-30 2007-12-28 Senneisher Electronic Gmbh & C DEVICE FOR CAPTURING OR REPRODUCING AUDIO SIGNALS
EP1706082A1 (en) * 2004-01-23 2006-10-04 Cabot Safety Intermediate Corporation High attenuating earmuff device
US20070253589A1 (en) * 2006-04-26 2007-11-01 Foo Toon J Earphone
US20080123884A1 (en) * 2006-08-22 2008-05-29 David Donenfeld Passive hearing aid device
DE102007038290A1 (en) * 2007-08-14 2009-02-19 Head Germany Gmbh helmet
EP2533739A4 (en) * 2009-12-24 2013-09-04 Sonomax Technologies Inc In-ear device with selectable frequency response
USD735161S1 (en) * 2013-08-16 2015-07-28 Microsoft Corporation Earcups for a headset
USD735691S1 (en) * 2013-08-16 2015-08-04 Microsoft Corporation Earcups for a headset
USD848396S1 (en) * 2017-11-02 2019-05-14 Honeywell International Inc. Noise monitoring headset
USD864899S1 (en) * 2018-05-11 2019-10-29 Techcool Industry Development Co., Ltd. Headset
USD878327S1 (en) 2018-09-25 2020-03-17 Microsoft Corporation Earcups for a headset
USD877714S1 (en) 2018-09-25 2020-03-10 Microsoft Corporation Headset
GB201903920D0 (en) * 2019-03-21 2019-05-08 Minuendo As Ear protection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1036501A (en) * 1950-05-11 1953-09-08 Filter for sound vibrations and devices with application
FR1145964A (en) * 1954-05-20 1957-11-05 Ca Nat Research Council Eardrums
FR1512289A (en) * 1966-02-25 1968-02-02 Protective device for hearing organs that does not reduce hearing power

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US125339A (en) * 1872-04-02 Improvement in ear-muffs
US2390794A (en) * 1944-02-21 1945-12-11 Zenith Radio Corp Frequency response control
CH242047A (en) * 1944-05-20 1946-04-15 Luzius Prof Dr Med Rueedi Device for the protection of the hearing against harmful sound effects.
US2672864A (en) * 1951-07-18 1954-03-23 Makara Frank Audio mask
US2754365A (en) * 1952-09-15 1956-07-10 Maico Company Inc Acoustical tone control for wearable hearing aids
US2976948A (en) * 1958-01-03 1961-03-28 Canada Nat Res Council Mechanical device for distance discrimination of sounds
US3220505A (en) * 1964-04-01 1965-11-30 Willard B Hargrave Audiometric headset
US3335720A (en) * 1965-06-02 1967-08-15 Leonard Peter Frieder Valve for sound attenuating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1036501A (en) * 1950-05-11 1953-09-08 Filter for sound vibrations and devices with application
FR1145964A (en) * 1954-05-20 1957-11-05 Ca Nat Research Council Eardrums
FR1512289A (en) * 1966-02-25 1968-02-02 Protective device for hearing organs that does not reduce hearing power

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546355A1 (en) * 1983-05-19 1984-11-23 Fame PROTECTIVE HELMET AND SOUND SIGNAL TRANSMITTER
EP0126690A1 (en) * 1983-05-19 1984-11-28 Fame Ear-muff and device for emitting sound signals

Also Published As

Publication number Publication date
NL156042B (en) 1978-03-15
DE1938259B2 (en) 1973-11-08
DE1938259A1 (en) 1970-02-05
CH496441A (en) 1970-09-30
SE352526B (en) 1973-01-08
DE1938259C3 (en) 1974-06-06
NL6911432A (en) 1970-02-03
US3637040A (en) 1972-01-25

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse