GB630719A - Improvements in or relating to loud speakers and like sound reproducing devices - Google Patents

Improvements in or relating to loud speakers and like sound reproducing devices

Info

Publication number
GB630719A
GB630719A GB1131647A GB1131647A GB630719A GB 630719 A GB630719 A GB 630719A GB 1131647 A GB1131647 A GB 1131647A GB 1131647 A GB1131647 A GB 1131647A GB 630719 A GB630719 A GB 630719A
Authority
GB
United Kingdom
Prior art keywords
relating
sound reproducing
reproducing devices
loud speakers
loudspeaker
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
GB1131647A
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.)
GOODMAN IND Ltd
Original Assignee
GOODMAN IND 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 GOODMAN IND Ltd filed Critical GOODMAN IND Ltd
Priority to GB1131647A priority Critical patent/GB630719A/en
Publication of GB630719A publication Critical patent/GB630719A/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
    • 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
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Buffer Packaging (AREA)

Abstract

630,719. Loudspeakers. GOODMANS INDUSTRIES, Ltd., and MILLER, J. W. April 28, 1947, No. 11316. [Class 40 (iv)] The usual ring 8 of cardboard or other fibrous material which acts as an acoustic seal between a loudspeaker and a baffle is formed from a straight strip bent to shape with the cut edges abutting the baffle and the loudspeaker.
GB1131647A 1947-04-28 1947-04-28 Improvements in or relating to loud speakers and like sound reproducing devices Expired GB630719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1131647A GB630719A (en) 1947-04-28 1947-04-28 Improvements in or relating to loud speakers and like sound reproducing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1131647A GB630719A (en) 1947-04-28 1947-04-28 Improvements in or relating to loud speakers and like sound reproducing devices

Publications (1)

Publication Number Publication Date
GB630719A true GB630719A (en) 1949-10-19

Family

ID=9984024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1131647A Expired GB630719A (en) 1947-04-28 1947-04-28 Improvements in or relating to loud speakers and like sound reproducing devices

Country Status (1)

Country Link
GB (1) GB630719A (en)

Similar Documents

Publication Publication Date Title
GB1504065A (en) Headphone
GB755143A (en) Dynamic directional microphone
GB1344370A (en) Loudspeaker cabinet
ES8204902A1 (en) Electro-acoustic transducers
GB227162A (en) Improvements in electro-magnetic transmitters and receivers for reproducing sound
GB630719A (en) Improvements in or relating to loud speakers and like sound reproducing devices
GB963853A (en) Loudspeakers
GB985566A (en) Improvements in dynamic headphone
GB659066A (en) Improvements in or relating to electro-mechanical transducers
GB854851A (en) Improvements in or relating to loudspeakers
GB722263A (en) Improvements in or relating to loudspeakers having a conical diaphragm
GB611179A (en) Improvements in and relating to acoustic instruments, such as loud speakers and directional microphones
GB836959A (en) Small-size condenser microphone
GB641668A (en) Sound reproduction devices
GB494696A (en) Improvements in loud speaking telephones
GB661887A (en) Improvements in or relating to mounting for loudspeakers
GB501152A (en) Improvements in loud speakers
GB829214A (en) Improvements in loud speaker systems
GB622828A (en) Improvements in or relating to loudspeakers and like electro-acoustic transducers
JPS53116102A (en) Acoustic reproducer
GB625014A (en) Improvements in or relating to acoustic devices
GB620159A (en) Improvements in and relating to loudspeakers, microphones and the like
GB970986A (en)
JPS55147900A (en) Ultra-thin speaker
GB619882A (en) Improvements in and relating to louspeaker units