GB1022009A - Improvements in or relating to electro-dynamic devices - Google Patents

Improvements in or relating to electro-dynamic devices

Info

Publication number
GB1022009A
GB1022009A GB1209064A GB1209064A GB1022009A GB 1022009 A GB1022009 A GB 1022009A GB 1209064 A GB1209064 A GB 1209064A GB 1209064 A GB1209064 A GB 1209064A GB 1022009 A GB1022009 A GB 1022009A
Authority
GB
United Kingdom
Prior art keywords
poles
diaphragm
air gaps
grooves
loud
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
GB1209064A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1022009A publication Critical patent/GB1022009A/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
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

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)
GB1209064A 1963-03-26 1964-03-23 Improvements in or relating to electro-dynamic devices Expired GB1022009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL290698 1963-03-26

Publications (1)

Publication Number Publication Date
GB1022009A true GB1022009A (en) 1966-03-09

Family

ID=19754557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1209064A Expired GB1022009A (en) 1963-03-26 1964-03-23 Improvements in or relating to electro-dynamic devices

Country Status (7)

Country Link
AT (1) AT239343B (enrdf_load_stackoverflow)
BE (1) BE645644A (enrdf_load_stackoverflow)
CH (1) CH418402A (enrdf_load_stackoverflow)
DE (1) DE1206482B (enrdf_load_stackoverflow)
ES (1) ES297954A1 (enrdf_load_stackoverflow)
GB (1) GB1022009A (enrdf_load_stackoverflow)
NL (1) NL290698A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5121332U (enrdf_load_stackoverflow) * 1974-08-05 1976-02-17

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6509969A (enrdf_load_stackoverflow) * 1965-07-31 1967-02-01

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112193C (enrdf_load_stackoverflow) * 1958-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5121332U (enrdf_load_stackoverflow) * 1974-08-05 1976-02-17

Also Published As

Publication number Publication date
BE645644A (enrdf_load_stackoverflow) 1964-09-24
CH418402A (de) 1966-08-15
DE1206482B (de) 1965-12-09
AT239343B (de) 1965-03-25
NL290698A (enrdf_load_stackoverflow)
ES297954A1 (es) 1964-06-01

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