AT230453B - Loudspeakers, in particular dynamic loudspeakers with a foam membrane - Google Patents

Loudspeakers, in particular dynamic loudspeakers with a foam membrane

Info

Publication number
AT230453B
AT230453B AT29362A AT29362A AT230453B AT 230453 B AT230453 B AT 230453B AT 29362 A AT29362 A AT 29362A AT 29362 A AT29362 A AT 29362A AT 230453 B AT230453 B AT 230453B
Authority
AT
Austria
Prior art keywords
loudspeakers
particular dynamic
foam membrane
foam
membrane
Prior art date
Application number
AT29362A
Other languages
German (de)
Inventor
Rudolf Dr Goerike
Original Assignee
Akg Akustische Kino Geraete
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 to BE626876D priority Critical patent/BE626876A/xx
Priority to NL287574D priority patent/NL287574A/xx
Application filed by Akg Akustische Kino Geraete filed Critical Akg Akustische Kino Geraete
Priority to AT29362A priority patent/AT230453B/en
Priority to GB30063A priority patent/GB1003608A/en
Priority to NL287574A priority patent/NL142044B/en
Priority to FR921086A priority patent/FR1348004A/en
Priority to CH37963A priority patent/CH409018A/en
Priority to SE42863A priority patent/SE328611B/xx
Application granted granted Critical
Publication of AT230453B publication Critical patent/AT230453B/en

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/10—Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT29362A 1962-01-15 1962-01-15 Loudspeakers, in particular dynamic loudspeakers with a foam membrane AT230453B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE626876D BE626876A (en) 1962-01-15
NL287574D NL287574A (en) 1962-01-15
AT29362A AT230453B (en) 1962-01-15 1962-01-15 Loudspeakers, in particular dynamic loudspeakers with a foam membrane
GB30063A GB1003608A (en) 1962-01-15 1963-01-02 Improvements in or relating to diaphragms for loudspeakers
NL287574A NL142044B (en) 1962-01-15 1963-01-09 ELECTRODYNAMIC SPEAKER.
FR921086A FR1348004A (en) 1962-01-15 1963-01-11 Diaphragm for acoustic devices
CH37963A CH409018A (en) 1962-01-15 1963-01-11 Vibrating plate for an acoustic device
SE42863A SE328611B (en) 1962-01-15 1963-01-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT29362A AT230453B (en) 1962-01-15 1962-01-15 Loudspeakers, in particular dynamic loudspeakers with a foam membrane

Publications (1)

Publication Number Publication Date
AT230453B true AT230453B (en) 1963-12-10

Family

ID=3486692

Family Applications (1)

Application Number Title Priority Date Filing Date
AT29362A AT230453B (en) 1962-01-15 1962-01-15 Loudspeakers, in particular dynamic loudspeakers with a foam membrane

Country Status (6)

Country Link
AT (1) AT230453B (en)
BE (1) BE626876A (en)
CH (1) CH409018A (en)
GB (1) GB1003608A (en)
NL (2) NL142044B (en)
SE (1) SE328611B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299041B (en) * 1966-04-06 1969-07-10 Nippon Gakki Co Ltd Seizo Kabu Membrane for flat speaker
US3603427A (en) * 1968-11-19 1971-09-07 Nippon Musical Instruments Mfg Loudspeaker
JPS5379525A (en) * 1976-12-23 1978-07-14 Sony Corp Compound diaphtagm for speakers
US4232204A (en) * 1978-06-22 1980-11-04 Comercial E Industrial Sound-Tronic Ltd. High fidelity loudspeaker
GB2059717B (en) * 1979-09-25 1984-04-04 Victor Company Of Japan Speaker diaphragm assembly and a method of manufacturing the same
DE3036876C2 (en) * 1979-10-02 1983-09-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Loudspeaker with a membrane and a voice coil former
US4426556A (en) 1980-07-08 1984-01-17 Matsushita Electric Industrial Co., Ltd. Electrodynamic loudspeaker
CA1284837C (en) * 1987-06-18 1991-06-11 Highwood Audio Inc. Audio transducer
DE19757098C2 (en) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Suspension for sound reproduction arrangements based on the bending wave principle
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
WO2001008447A2 (en) * 1999-07-23 2001-02-01 Digital Sonics, Llc Flat panel speaker
GB2463924A (en) * 2008-06-26 2010-04-07 Allan Read Wireless table-top conference system uses Balanced Mode loudspeaker
GB2544548B (en) * 2015-11-20 2018-01-24 Amina Tech Limited Flat panel loudspeakers

Also Published As

Publication number Publication date
SE328611B (en) 1970-09-21
NL142044B (en) 1974-04-16
BE626876A (en)
CH409018A (en) 1966-03-15
GB1003608A (en) 1965-09-08
NL287574A (en)

Similar Documents

Publication Publication Date Title
DK118832B (en) Telephone set.
NL140126B (en) SPEAKER WITH ASYMMETRIC SHAPED MEMBRANE.
NL142044B (en) ELECTRODYNAMIC SPEAKER.
FR2553M (en) Ester usable in cardiology.
CH414749A (en) Electromechanical, in particular electroacoustic, transducer
CH425451A (en) Spongy padding
FI45257C (en) Roll.
NL152740B (en) DYNAMIC GRADIENT MICROPHONE.
DK104037C (en) Valve bag made of plastic foil.
CH412990A (en) Hearing aid, in particular hearing glasses
DK112354B (en) Spindle-operated diaphragm valve with non-return valve.
DK104148C (en) Color-receptive polypropylene plastic.
CH435481A (en) Welding device, in particular stud welding device
CH412243A (en) Furniture, in particular kitchen furniture
CH438656A (en) Shaped body, in particular lightweight board
CH383444A (en) Electrodynamic device with a membrane
FR1355765A (en) Improvement in deformable membranes
NL139032B (en) TABLE PHONE SET WITH AUDIO DEVICE.
FR1383028A (en) Utility vehicle, usable in particular in agriculture
CH429067A (en) Suspension device on a piece of furniture, in particular a closet
DK106715C (en) Press with horizontal axis, fixed shape and circumferential press body.
GR23689B (en) FURNITURE OFFICE CHANGING IN A TIE.
DK119740B (en) Acaricide.
CH386272A (en) Moscone with pedals, inflatable and foldable
AU292848B2 (en) Stretched plastic foils