GB1501468A - Electro-acoustic transducer unit - Google Patents

Electro-acoustic transducer unit

Info

Publication number
GB1501468A
GB1501468A GB1452875A GB1452875A GB1501468A GB 1501468 A GB1501468 A GB 1501468A GB 1452875 A GB1452875 A GB 1452875A GB 1452875 A GB1452875 A GB 1452875A GB 1501468 A GB1501468 A GB 1501468A
Authority
GB
United Kingdom
Prior art keywords
transducer
inlets
sound
openings
outlets
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
Application number
GB1452875A
Other languages
English (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.)
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
Application filed by Individual filed Critical Individual
Publication of GB1501468A publication Critical patent/GB1501468A/en
Expired 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Electrophonic Musical Instruments (AREA)
GB1452875A 1974-04-13 1975-04-09 Electro-acoustic transducer unit Expired GB1501468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742418060 DE2418060B2 (de) 1974-04-13 1974-04-13 Schallaufnahme- und -wiedergabeeinrichtung

Publications (1)

Publication Number Publication Date
GB1501468A true GB1501468A (en) 1978-02-15

Family

ID=5912897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1452875A Expired GB1501468A (en) 1974-04-13 1975-04-09 Electro-acoustic transducer unit

Country Status (3)

Country Link
DE (1) DE2418060B2 (enrdf_load_stackoverflow)
FR (1) FR2267604B1 (enrdf_load_stackoverflow)
GB (1) GB1501468A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007109832A1 (en) * 2006-03-28 2007-10-04 Immersion Technology Property Limited Acoustic filter for electroacoustic transducer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1200308A (en) * 1983-11-23 1986-02-04 Peter Fatovic Directional microphone assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007109832A1 (en) * 2006-03-28 2007-10-04 Immersion Technology Property Limited Acoustic filter for electroacoustic transducer

Also Published As

Publication number Publication date
DE2418060A1 (de) 1975-10-16
FR2267604B1 (enrdf_load_stackoverflow) 1981-02-13
DE2418060B2 (de) 1976-11-18
FR2267604A1 (enrdf_load_stackoverflow) 1975-11-07

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Legal Events

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