GB275567A - Electrodynamic devices for use in acoustic devices, such as loud-speakers - Google Patents

Electrodynamic devices for use in acoustic devices, such as loud-speakers

Info

Publication number
GB275567A
GB275567A GB14918/27A GB1491827A GB275567A GB 275567 A GB275567 A GB 275567A GB 14918/27 A GB14918/27 A GB 14918/27A GB 1491827 A GB1491827 A GB 1491827A GB 275567 A GB275567 A GB 275567A
Authority
GB
United Kingdom
Prior art keywords
coil
diaphragm
secured
temperature
ribbon
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
GB14918/27A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB275567A publication Critical patent/GB275567A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB14918/27A 1926-08-04 1927-06-07 Electrodynamic devices for use in acoustic devices, such as loud-speakers Expired GB275567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US127152A US1707544A (en) 1926-08-04 1926-08-04 Electrodynamic device

Publications (1)

Publication Number Publication Date
GB275567A true GB275567A (en) 1928-01-19

Family

ID=22428569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14918/27A Expired GB275567A (en) 1926-08-04 1927-06-07 Electrodynamic devices for use in acoustic devices, such as loud-speakers

Country Status (5)

Country Link
US (1) US1707544A (enExample)
DE (1) DE527965C (enExample)
FR (1) FR636865A (enExample)
GB (1) GB275567A (enExample)
NL (1) NL23790C (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE902015C (de) * 1940-09-04 1954-01-18 Klangfilm Gmbh Druckkammerlautsprecher
US2463762A (en) * 1941-11-14 1949-03-08 Automatic Elect Lab Electroacoustical transducer
US2485405A (en) * 1944-04-21 1949-10-18 Stromberg Carlson Co Dipole microphone
DE911143C (de) * 1951-11-25 1954-05-10 Siemens Ag Lautsprechersystem mit Druckkammer und einer Zwiebel fuer die Schallfuehrung
US2832844A (en) * 1957-04-29 1958-04-29 Univ Loudspeakers Inc Speaker driver
JP3140895B2 (ja) * 1993-10-08 2001-03-05 パイオニア株式会社 スピーカ装置
US12156006B2 (en) 2022-05-09 2024-11-26 B&C Speakers S.P.A Acoustic compression chamber with modally coupled annular diaphragm
US12149906B2 (en) 2022-11-18 2024-11-19 B&C Speakers Na (Usa), Llc Phase plug for compression driver
CN218750537U (zh) 2022-12-02 2023-03-28 苏州上声电子股份有限公司 一种汽车行人警示装置

Also Published As

Publication number Publication date
FR636865A (fr) 1928-04-18
DE527965C (de) 1931-06-24
US1707544A (en) 1929-04-02
NL23790C (enExample)

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