GB2279202B - Electronic conversion for passive ear muffs - Google Patents

Electronic conversion for passive ear muffs

Info

Publication number
GB2279202B
GB2279202B GB9410713A GB9410713A GB2279202B GB 2279202 B GB2279202 B GB 2279202B GB 9410713 A GB9410713 A GB 9410713A GB 9410713 A GB9410713 A GB 9410713A GB 2279202 B GB2279202 B GB 2279202B
Authority
GB
United Kingdom
Prior art keywords
electronic conversion
ear muffs
passive ear
passive
muffs
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.)
Expired - Fee Related
Application number
GB9410713A
Other versions
GB9410713D0 (en
GB2279202A (en
Inventor
Michael John Fogarty
Elizabeth Ann Fogarty
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.)
Individual
Original Assignee
Individual
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 GB939311916A external-priority patent/GB9311916D0/en
Application filed by Individual filed Critical Individual
Priority to GB9410713A priority Critical patent/GB2279202B/en
Publication of GB9410713D0 publication Critical patent/GB9410713D0/en
Publication of GB2279202A publication Critical patent/GB2279202A/en
Application granted granted Critical
Publication of GB2279202B publication Critical patent/GB2279202B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • 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
    • 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
    • A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction
    • 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
    • H04R1/1083—Reduction of ambient noise
    • 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
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Psychology (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB9410713A 1993-06-09 1994-05-27 Electronic conversion for passive ear muffs Expired - Fee Related GB2279202B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9410713A GB2279202B (en) 1993-06-09 1994-05-27 Electronic conversion for passive ear muffs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939311916A GB9311916D0 (en) 1993-06-09 1993-06-09 Ear muff electronic modification kit
GB9410713A GB2279202B (en) 1993-06-09 1994-05-27 Electronic conversion for passive ear muffs

Publications (3)

Publication Number Publication Date
GB9410713D0 GB9410713D0 (en) 1994-07-13
GB2279202A GB2279202A (en) 1994-12-21
GB2279202B true GB2279202B (en) 1997-05-21

Family

ID=26303030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9410713A Expired - Fee Related GB2279202B (en) 1993-06-09 1994-05-27 Electronic conversion for passive ear muffs

Country Status (1)

Country Link
GB (1) GB2279202B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9805618D0 (en) * 1998-03-18 1998-05-13 Noise Cancellation Tech Headset for aircraft
GB2355617A (en) * 1999-10-20 2001-04-25 Central Research Lab Ltd Headphones with interchangeable, integral source of audio signal
SE0700371L (en) 2007-02-14 2007-10-23 Msa Sordin Ab System for the formation of hearing protectors as well as hearing cap and hearing protectors included in the system
US20230023459A1 (en) * 2020-01-21 2023-01-26 3M Innovative Properties Company Cable compaction system for protective personal equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952158A (en) * 1974-08-26 1976-04-20 Kyle Gordon L Ear protection and hearing device
US4224470A (en) * 1976-12-22 1980-09-23 Persson Leif A T Headset with limiter circuit
US4928311A (en) * 1986-01-03 1990-05-22 Trompler Lyle D Noise limiting circuit for earmuffs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952158A (en) * 1974-08-26 1976-04-20 Kyle Gordon L Ear protection and hearing device
US4224470A (en) * 1976-12-22 1980-09-23 Persson Leif A T Headset with limiter circuit
US4928311A (en) * 1986-01-03 1990-05-22 Trompler Lyle D Noise limiting circuit for earmuffs

Also Published As

Publication number Publication date
GB9410713D0 (en) 1994-07-13
GB2279202A (en) 1994-12-21

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Legal Events

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

Effective date: 20010527