GB9123766D0 - Improvements in sound reproducing devices - Google Patents

Improvements in sound reproducing devices

Info

Publication number
GB9123766D0
GB9123766D0 GB919123766A GB9123766A GB9123766D0 GB 9123766 D0 GB9123766 D0 GB 9123766D0 GB 919123766 A GB919123766 A GB 919123766A GB 9123766 A GB9123766 A GB 9123766A GB 9123766 D0 GB9123766 D0 GB 9123766D0
Authority
GB
United Kingdom
Prior art keywords
sound reproducing
reproducing devices
devices
sound
reproducing
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Withdrawn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
GB919123766A
Other versions
GB2261343A (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.)
CHADWICK FELICITY M
CHADWICK RACHAEL T
Original Assignee
CHADWICK FELICITY M
CHADWICK RACHAEL T
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 CHADWICK FELICITY M, CHADWICK RACHAEL T filed Critical CHADWICK FELICITY M
Priority to GB9123766A priority Critical patent/GB2261343A/en
Publication of GB9123766D0 publication Critical patent/GB9123766D0/en
Publication of GB2261343A publication Critical patent/GB2261343A/en
Withdrawn legal-status Critical Current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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • 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
    • H04R1/1016—Earpieces of the intra-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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Headphones And Earphones (AREA)
GB9123766A 1991-11-08 1991-11-08 Directional single-ear earphone, hearing aid Withdrawn GB2261343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9123766A GB2261343A (en) 1991-11-08 1991-11-08 Directional single-ear earphone, hearing aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9123766A GB2261343A (en) 1991-11-08 1991-11-08 Directional single-ear earphone, hearing aid

Publications (2)

Publication Number Publication Date
GB9123766D0 true GB9123766D0 (en) 1992-01-02
GB2261343A GB2261343A (en) 1993-05-12

Family

ID=10704309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9123766A Withdrawn GB2261343A (en) 1991-11-08 1991-11-08 Directional single-ear earphone, hearing aid

Country Status (1)

Country Link
GB (1) GB2261343A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19926552B4 (en) * 1999-06-11 2013-10-10 Sennheiser Electronic Gmbh & Co. Kg Headphones with microphone
US20020164041A1 (en) * 2001-03-27 2002-11-07 Sensimetrics Corporation Directional receiver for hearing aids
US9736563B1 (en) * 2012-09-13 2017-08-15 Daniel Jeremy Glass Unilateral dual transducer stereo headphone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944082Y1 (en) * 1970-11-24 1974-12-03
DE8218876U1 (en) * 1982-07-01 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Electric hearing aid
CA1336295C (en) * 1988-09-21 1995-07-11 Masayoshi Miura Sound reproducing apparatus
JPH03117999A (en) * 1989-09-30 1991-05-20 Sony Corp Electroacoustic transducer and acoustic reproduction system
US5068901A (en) * 1990-05-01 1991-11-26 Knowles Electronics, Inc. Dual outlet passage hearing aid transducer

Also Published As

Publication number Publication date
GB2261343A (en) 1993-05-12

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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)