BE482081A - - Google Patents

Info

Publication number: BE482081A
Authority: BE; Belgium

Application number

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.)

1945-11-08

Publication of BE482081A publication Critical patent/BE482081A/xx

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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- 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
- H04R7/12—Non-planar diaphragms or cones
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/204—Material aspects of the outer suspension of loudspeaker diaphragms
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Diaphragms For Electromechanical Transducers (AREA)

BE482081D 1945-11-08 BE482081A (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB29820/45A GB640824A (en)	1945-11-08	1945-11-08	Improvements in and relating to cone diaphragm electro-acoustic apparatus

Publications (1)

Publication Number	Publication Date
BE482081A true BE482081A (cs)

Family

ID=10297703

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE482081D BE482081A (cs)	1945-11-08

Country Status (5)

Country	Link
US (1)	US2502853A (cs)
BE (1)	BE482081A (cs)
ES (1)	ES181488A1 (cs)
FR (1)	FR957982A (cs)
GB (1)	GB640824A (cs)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB787424A (en) *	1953-04-13	1957-12-11	Whiteley Electrical Radio Comp	Improvements relating to loudspeakers and the like
US2873813A (en) *	1955-07-27	1959-02-17	Hawley Products Co	Acoustic diaphragm and method of construction
US2866515A (en) *	1955-11-28	1958-12-30	Robert C Hunter	Cone for loud-speaker assembly
NL302559A (cs) *	1963-01-25
US3328537A (en) *	1964-01-09	1967-06-27	Hecht William	High frequency sound translating device
US4100992A (en) *	1974-08-12	1978-07-18	Weber Louis Rehde	Loudspeaker
EP0942625A3 (en) *	1993-06-28	2002-05-15	Matsushita Electric Industrial Co., Ltd.	Method for fabricating diaphragm-edge integral molding for speakers
DE102006058369B4 (de) *	2006-12-08	2014-01-23	Sennheiser Electronic Gmbh & Co. Kg	Elektroakustischer Wandler
RU2454824C2 (ru) *	2008-03-05	2012-06-27	Генелек Ой	Составная динамическая головка громкоговорителя
RU2744770C1 (ru) *	2020-07-29	2021-03-15	Сотис АГ	Электродинамический привод для плоских акустических систем.
GB202108015D0 (en)	2021-06-04	2021-07-21	Pss Belgium Nv	Speaker
US12574686B2 (en)	2021-06-04	2026-03-10	Pss Belgium Nv	Loudspeaker assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1729407A (en) *	1927-04-05	1929-09-24	Stevens Mfg Corp	Acoustic diaphragm
US1843367A (en) *	1929-02-04	1932-02-02	Crosley Radio Corp	Diaphragm
US2201059A (en) *	1937-12-14	1940-05-14	Philco Radio & Television Corp	Loud-speaker
US2206517A (en) *	1938-04-06	1940-07-02	Fides Gmbh	Electroacoustic apparatus

0
- BE BE482081D patent/BE482081A/xx unknown
- FR FR957982D patent/FR957982A/fr not_active Expired
1945
- 1945-11-08 GB GB29820/45A patent/GB640824A/en not_active Expired
1947
- 1947-12-31 ES ES0181488A patent/ES181488A1/es not_active Expired
1948
- 1948-02-03 US US5991A patent/US2502853A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2502853A (en)	1950-04-04
GB640824A (en)	1950-07-26
ES181488A1 (es)	1948-07-01
FR957982A (cs)	1950-03-02

Publication	Publication Date	Title
BE463701A (cs)	1946-04-30
FR961985A (cs)	1950-05-26
FR960045A (cs)	1950-04-12
FR957982A (cs)	1950-03-02
BE461412A (cs)	1945-12-31
IT424858A (cs)
BE462415A (cs)
BE462813A (cs)
BE467052A (cs)
BE461792A (cs)
BE463048A (cs)
BE465782A (cs)
BE464416A (cs)
BE462659A (cs)
BE465860A (cs)
BE458361A (cs)
BE464449A (cs)
BE458294A (cs)
BE462775A (cs)
BE458155A (cs)
BE466234A (cs)
BE464665A (cs)
BE465313A (cs)
BE465870A (cs)	1946-07-31
BE458635A (cs)