NL7713409A - Electro-acoustische omzetters. - Google Patents

Electro-acoustische omzetters.

Info

Publication number
NL7713409A
NL7713409A NL7713409A NL7713409A NL7713409A NL 7713409 A NL7713409 A NL 7713409A NL 7713409 A NL7713409 A NL 7713409A NL 7713409 A NL7713409 A NL 7713409A NL 7713409 A NL7713409 A NL 7713409A
Authority
NL
Netherlands
Prior art keywords
electro
acoustic converters
converters
acoustic
Prior art date
Application number
NL7713409A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rank Organisation 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 Rank Organisation Ltd filed Critical Rank Organisation Ltd
Publication of NL7713409A publication Critical patent/NL7713409A/xx

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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/36—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means by using a single aperture of dimensions not greater than the shortest operating wavelength
NL7713409A 1976-12-03 1977-12-04 Electro-acoustische omzetters. NL7713409A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50496/76A GB1557879A (en) 1976-12-03 1976-12-03 Electro acoustic transducers

Publications (1)

Publication Number Publication Date
NL7713409A true NL7713409A (nl) 1978-06-06

Family

ID=10456118

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7713409A NL7713409A (nl) 1976-12-03 1977-12-04 Electro-acoustische omzetters.

Country Status (6)

Country Link
DE (1) DE2753790A1 (xx)
DK (1) DK536277A (xx)
FR (1) FR2373205A1 (xx)
GB (1) GB1557879A (xx)
NL (1) NL7713409A (xx)
SE (1) SE417564B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8104570U1 (de) * 1981-02-19 1981-07-23 Magnat Electronik GmbH & Co KG, 5000 Köln Lautsprecher, insbesondere kalottenlautsprecher
DE3205731C2 (de) * 1981-02-19 1993-01-14 Magnat Electronik GmbH & Co KG, 5000 Köln Lautsprecher, insbesondere Kalottenlautsprecher
US7155021B2 (en) 2000-05-08 2006-12-26 Koninklijke Philips Electronics N.V. Loudspeaker having an acoustic panel and an electrical driver
BRPI0917410A2 (pt) * 2008-08-14 2015-12-01 Harman Int Ind tampão de fase e lente acústica para alto-falante de radiação direta
DE102021127864A1 (de) 2021-10-26 2023-04-27 Karsten Atmani, bürgerlicher Name Buß Lautsprecher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE484735A (xx) * 1947-09-10
US3059720A (en) * 1959-07-27 1962-10-23 Ling Temco Vought Inc High frequency loudspeakers

Also Published As

Publication number Publication date
SE7713750L (sv) 1978-06-04
GB1557879A (en) 1979-12-12
DK536277A (da) 1978-06-04
SE417564B (sv) 1981-03-23
FR2373205B1 (xx) 1983-01-14
FR2373205A1 (fr) 1978-06-30
DE2753790A1 (de) 1978-06-08

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: HECO HENNEL + CO. GMBH

A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed