NL7408011A - SPEAKER HOUSING WITH AN EXPONENTIONAL FUNNEL AND AT LEAST TWO SPEAKERS. - Google Patents

SPEAKER HOUSING WITH AN EXPONENTIONAL FUNNEL AND AT LEAST TWO SPEAKERS.

Info

Publication number: NL7408011A
Authority: NL; Netherlands
Prior art keywords: exponentional; speakers; funnel; speaker housing; speaker
Prior art date: 1973-07-27

Application number

NL7408011A

Other languages

Dutch (nl)

Original Assignee

Neckermann Versand Kgaa

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.)

1973-07-27

Filing date

1974-06-14

Publication date

1975-01-29

1974-06-14 Application filed by Neckermann Versand Kgaa filed Critical Neckermann Versand Kgaa

1975-01-29 Publication of NL7408011A publication Critical patent/NL7408011A/en

Classifications

- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2861—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn
- H04R1/2865—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn for loudspeaker transducers

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

NL7408011A 1973-07-27 1974-06-14 SPEAKER HOUSING WITH AN EXPONENTIONAL FUNNEL AND AT LEAST TWO SPEAKERS. NL7408011A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2338298A DE2338298C2 (en)	1973-07-27	1973-07-27	Loudspeaker enclosure with an exponential funnel and at least two loudspeakers

Publications (1)

Publication Number	Publication Date
NL7408011A true NL7408011A (en)	1975-01-29

Family

ID=5888198

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7408011A NL7408011A (en)	1973-07-27	1974-06-14	SPEAKER HOUSING WITH AN EXPONENTIONAL FUNNEL AND AT LEAST TWO SPEAKERS.

Country Status (8)

Country	Link
US (1)	US3898384A (en)
JP (1)	JPS5072621A (en)
DE (1)	DE2338298C2 (en)
FR (1)	FR2239069B3 (en)
GB (1)	GB1462919A (en)
IT (1)	IT1016712B (en)
NL (1)	NL7408011A (en)
SE (1)	SE7407531L (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4213008A (en) *	1978-11-22	1980-07-15	Helffrich Edmund R	Loudspeaker enclosure for mid-wall location
US4173266A (en) *	1978-11-24	1979-11-06	Pizer Robert S	Loudspeaker enclosure
EP0217278A3 (en) *	1985-09-26	1989-01-04	Mario Curth	Arrangement of a bass loudspeaker with a horn
US4923031A (en) *	1986-02-26	1990-05-08	Electro-Voice, Incorporated	High output loudspeaker system
US4733749A (en) *	1986-02-26	1988-03-29	Electro-Voice, Inc.	High output loudspeaker for low frequency reproduction
GB8928352D0 (en) *	1989-12-15	1990-02-21	Fox Andrew J	Loudspeaker system
AU6176394A (en) *	1993-02-25	1994-09-14	Ralph D. Heinz	Multiple-driver single horn loudspeaker
US5343535A (en) *	1993-05-07	1994-08-30	Marshall Ronald N	Loudspeaker device
DE69930188T2 (en)	1998-11-05	2006-12-07	Matsushita Electric Industrial Co., Ltd., Kadoma	Piezoelectric speaker, method of making it, and speaker system with this speaker
US6411718B1 (en)	1999-04-28	2002-06-25	Sound Physics Labs, Inc.	Sound reproduction employing unity summation aperture loudspeakers
DE60208245T2 (en) *	2001-01-22	2006-07-13	Matsushita Electric Industrial Co., Ltd., Kadoma	Speaker System
US7392880B2 (en) *	2002-04-02	2008-07-01	Gibson Guitar Corp.	Dual range horn with acoustic crossover
US7621369B2 (en) *	2006-06-16	2009-11-24	Graber Curtis E	Acoustic energy projection system
SG170641A1 (en) *	2009-10-30	2011-05-30	Dream Infotainment Resources Pte Ltd	Omnidirectional speaker
KR101515618B1 (en) *	2014-03-20	2015-04-28	김태형	Lattice-Type Speaker, and Lattice Array Speaker System Having the Same
GB2561341B (en) *	2017-03-30	2019-04-24	Darling Henry	A modular loudspeaker system
US10405084B2 (en) *	2017-08-30	2019-09-03	Bose Corporation	Loudspeaker with deflector at a port exit
CN113132580B (en) *	2019-12-31	2023-06-09	杭州海康威视数字技术股份有限公司	Video camera

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2754926A (en) *	1954-11-26	1956-07-17	Asa M Stackhouse	Corner horn
AT305403B (en) *	1970-08-18	1973-02-26	Neckermann Versand Kgaa	Loudspeaker enclosure

1973
- 1973-07-27 DE DE2338298A patent/DE2338298C2/en not_active Expired
1974
- 1974-06-07 SE SE7407531A patent/SE7407531L/xx not_active Application Discontinuation
- 1974-06-14 NL NL7408011A patent/NL7408011A/en unknown
- 1974-07-22 FR FR7425303A patent/FR2239069B3/fr not_active Expired
- 1974-07-24 GB GB3276474A patent/GB1462919A/en not_active Expired
- 1974-07-26 IT IT69387/74A patent/IT1016712B/en active
- 1974-07-26 US US492971A patent/US3898384A/en not_active Expired - Lifetime
- 1974-07-27 JP JP49085632A patent/JPS5072621A/ja active Pending

Also Published As

Publication number	Publication date
GB1462919A (en)	1977-01-26
US3898384A (en)	1975-08-05
SE7407531L (en)	1975-01-28
DE2338298C2 (en)	1975-09-11
FR2239069A1 (en)	1975-02-21
IT1016712B (en)	1977-06-20
DE2338298B1 (en)	1975-01-16
FR2239069B3 (en)	1977-05-20
JPS5072621A (en)	1975-06-16

Publication	Publication Date	Title
NL7408011A (en)	1975-01-29	SPEAKER HOUSING WITH AN EXPONENTIONAL FUNNEL AND AT LEAST TWO SPEAKERS.
NL7512558A (en)	1976-05-04	STEREO MICROPHONE DEVICE.
NL165024C (en)	1981-02-16	SPEAKER BOX AND STEREOPHONIC SPEAKER SYSTEM.
NL7510751A (en)	1976-03-18	HEADPHONES.
NL7413937A (en)	1976-04-27	MICROPHONE SYSTEM.
NL186058C (en)	1990-09-03	MICROPHONE DEVICE.
NL7600177A (en)	1976-10-05	SPEAKER SYSTEM.
NL170482C (en)	1982-11-01	MULTI-WAY SPEAKER DEVICE.
SE400012B (en)	1978-03-06	SPEAKERS
DK138569B (en)	1978-09-25	Speaker device.
BE799235A (en)	1973-11-08	SPEAKER SPEAKER,
NL7500942A (en)	1975-08-04	ELECTRODYNAMIC SPEAKER.
NL7500881A (en)	1975-12-09	SPEAKER HORN.
NL7601328A (en)	1976-08-12	SPEAKER.
NO140846C (en)	1979-11-21	HOW SPEAKERS.
BE771389A (en)	1971-12-31	SPEAKER SPEAKER
NL138793B (en)	1973-05-15	HEARING AID WITH AN EARMAP.
NL7512557A (en)	1976-05-04	MICROPHONE DEVICE.
MC1049A1 (en)	1975-10-10	Electro-dynamic speakers
ATA1025573A (en)	1975-03-15	SPEAKER HOUSING
ES213321Y (en)	1976-11-01	SPEAKER GRILLE.
NL7502223A (en)	1975-09-03	SPEAKER DEVICE.
NL187779C (en)	1992-01-02	AUDIO AMPLIFIER.
ES190147Y (en)	1974-11-01	MUNECO WITH SOUND DEVICE.
BE800139A (en)	1973-09-17	TELEPHONES, MICROPHONES AND SIMILAR DEVICES