GB1069120A - Improvements relating to the securing of members within a support member - Google Patents

Improvements relating to the securing of members within a support member

Info

Publication number
GB1069120A
GB1069120A GB3573664A GB3573664A GB1069120A GB 1069120 A GB1069120 A GB 1069120A GB 3573664 A GB3573664 A GB 3573664A GB 3573664 A GB3573664 A GB 3573664A GB 1069120 A GB1069120 A GB 1069120A
Authority
GB
United Kingdom
Prior art keywords
frame
indentations
sept
pot
securing
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
GB3573664A
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 GB1069120A publication Critical patent/GB1069120A/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
    • H04R9/06—Loudspeakers
    • 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
    • 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
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

1,069,120. Loudspeakers. PHILIPS ELECTRICAL & ASSOCIATED INDUSTRIES Ltd. Sept. 1, 1964 [Sept. 2, 1963], No. 35736/64. Heading H4J. In a moving coil loudspeaker, a soft magnetic plate 13 and pot 12 are held rigidly together by one or more indentations 10 formed in a generally frusto-conical frame 16. Conical part (12<SP>1</SP>), Fig. 2 (not shown), has an apical angle (α) a little smaller than the apical angle (#) of the frame part (16<SP>1</SP>) to assist in providing a rigid assembly. In manufacture, the frame 16 is placed on a press and the pot 12 and plate 13 are then placed in position. Grooves or other indentations 10 are then made with four or six different balls. The loudspeaker includes a central magnet 13 which is secured by adhesive or a brass centring ring either before the formation of the indentations or subsequently. The frame 16 is of aluminium coated with plastics material or is of extruded plastics.
GB3573664A 1963-09-02 1964-09-01 Improvements relating to the securing of members within a support member Expired GB1069120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946305A FR1375202A (en) 1963-09-02 1963-09-02 Attachment of stacked parts, especially parts of a loudspeaker

Publications (1)

Publication Number Publication Date
GB1069120A true GB1069120A (en) 1967-05-17

Family

ID=8811564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3573664A Expired GB1069120A (en) 1963-09-02 1964-09-01 Improvements relating to the securing of members within a support member

Country Status (6)

Country Link
DE (1) DE1437423A1 (en)
DK (1) DK114707B (en)
ES (1) ES303632A1 (en)
FR (1) FR1375202A (en)
GB (1) GB1069120A (en)
NL (1) NL6409914A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015124437A1 (en) * 2014-02-19 2015-08-27 Harman Becker Automotive Systems Gmbh Loudspeaker
GB2554799A (en) * 2016-08-26 2018-04-11 Tymphany Hk Ltd Loudspeaker structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015124437A1 (en) * 2014-02-19 2015-08-27 Harman Becker Automotive Systems Gmbh Loudspeaker
US10015611B2 (en) 2014-02-19 2018-07-03 Harman Becker Automotive Systems Gmbh Loudspeaker
GB2554799A (en) * 2016-08-26 2018-04-11 Tymphany Hk Ltd Loudspeaker structure
GB2554799B (en) * 2016-08-26 2020-04-22 Tymphany Hk Ltd Loudspeaker structure

Also Published As

Publication number Publication date
DK114707B (en) 1969-07-28
DE1437423A1 (en) 1969-03-27
NL6409914A (en) 1965-03-03
ES303632A1 (en) 1965-03-01
FR1375202A (en) 1964-10-16

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