GB1402180A - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB1402180A
GB1402180A GB3853072A GB3853072A GB1402180A GB 1402180 A GB1402180 A GB 1402180A GB 3853072 A GB3853072 A GB 3853072A GB 3853072 A GB3853072 A GB 3853072A GB 1402180 A GB1402180 A GB 1402180A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
ring
loud
cords
suspended
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
GB3853072A
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
Priority claimed from JP6912271A external-priority patent/JPS5245216B2/ja
Priority claimed from JP8112471U external-priority patent/JPS512601Y2/ja
Application filed by Individual filed Critical Individual
Publication of GB1402180A publication Critical patent/GB1402180A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/042—Centering by pressurised air
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB3853072A 1971-09-07 1972-08-18 Loudspeakers Expired GB1402180A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6912271A JPS5245216B2 (enrdf_load_stackoverflow) 1971-09-07 1971-09-07
JP8112471U JPS512601Y2 (enrdf_load_stackoverflow) 1971-09-07 1971-09-07

Publications (1)

Publication Number Publication Date
GB1402180A true GB1402180A (en) 1975-08-06

Family

ID=26410307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3853072A Expired GB1402180A (en) 1971-09-07 1972-08-18 Loudspeakers

Country Status (4)

Country Link
US (1) US3804994A (enrdf_load_stackoverflow)
DE (1) DE2243745A1 (enrdf_load_stackoverflow)
FR (1) FR2152746B1 (enrdf_load_stackoverflow)
GB (1) GB1402180A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559039Y2 (enrdf_load_stackoverflow) * 1974-05-14 1980-02-27
TW464150U (en) * 2000-06-28 2001-11-11 Deccon Company Ltd Drum paper having composite-layered edge
RU2582158C2 (ru) * 2013-10-16 2016-04-20 Александр Васильевич Дегтярев Громкоговоритель.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1613609A (en) * 1923-06-05 1927-01-11 Western Electric Co Acoustic device
GB320647A (en) * 1928-07-18 1929-10-18 Frederick William Lanchester Improvements in moving coil loud speakers

Also Published As

Publication number Publication date
US3804994A (en) 1974-04-16
FR2152746A1 (enrdf_load_stackoverflow) 1973-04-27
DE2243745A1 (de) 1973-03-15
FR2152746B1 (enrdf_load_stackoverflow) 1978-07-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee