NL184037C - Luidsprekerstelsel. - Google Patents

Luidsprekerstelsel.

Info

Publication number: NL184037C
Authority: NL; Netherlands
Prior art keywords: speaker system; speaker
Prior art date: 1977-09-15

Application number

NLAANVRAGE7710136,A

Other languages

English (en)

Other versions

NL7710136A (nl

Original Assignee

Novanex Automation Nv

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.)

1977-09-15

Filing date

1977-09-15

Publication date

1989-03-16

1977-09-15 Application filed by Novanex Automation Nv filed Critical Novanex Automation Nv

1977-09-15 Priority to NLAANVRAGE7710136,A priority Critical patent/NL184037C/nl

1978-09-08 Priority to DE2839111A priority patent/DE2839111C2/de

1978-09-12 Priority to US05/941,743 priority patent/US4213515A/en

1978-09-13 Priority to FR7826260A priority patent/FR2403706A1/fr

1978-09-15 Priority to IT27772/78A priority patent/IT1101005B/it

1979-03-19 Publication of NL7710136A publication Critical patent/NL7710136A/nl

1989-03-16 Application granted granted Critical

1989-03-16 Publication of NL184037C publication Critical patent/NL184037C/nl

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
- H04R1/28—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
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
- 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
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band

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)
Details Of Audible-Bandwidth Transducers (AREA)

NLAANVRAGE7710136,A 1977-09-15 1977-09-15 Luidsprekerstelsel. NL184037C (nl)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7710136,A NL184037C (nl)	1977-09-15	1977-09-15	Luidsprekerstelsel.
DE2839111A DE2839111C2 (de)	1977-09-15	1978-09-08	Lautsprechersystem
US05/941,743 US4213515A (en)	1977-09-15	1978-09-12	Speaker system
FR7826260A FR2403706A1 (fr)	1977-09-15	1978-09-13	Systeme de haut-parleur
IT27772/78A IT1101005B (it)	1977-09-15	1978-09-15	Impianto di altoparlanti

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7710136,A NL184037C (nl)	1977-09-15	1977-09-15	Luidsprekerstelsel.

Publications (2)

Publication Number	Publication Date
NL7710136A NL7710136A (nl)	1979-03-19
NL184037C true NL184037C (nl)	1989-03-16

Family

ID=19829187

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7710136,A NL184037C (nl)	1977-09-15	1977-09-15	Luidsprekerstelsel.

Country Status (5)

Country	Link
US (1)	US4213515A (nl)
DE (1)	DE2839111C2 (nl)
FR (1)	FR2403706A1 (nl)
IT (1)	IT1101005B (nl)
NL (1)	NL184037C (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4391346A (en) *	1979-10-04	1983-07-05	Naoyuki Murakami	Loud-speaker
US4445730A (en) *	1981-07-30	1984-05-01	Cross Jimmie R	Speaker cabinet
US4524845A (en) *	1983-02-28	1985-06-25	Perrigo Stephen M	Low frequency speaker enclosure
US4592444A (en) *	1983-02-28	1986-06-03	Perrigo Stephen M	Low frequency speaker enclosure
FR2623337B1 (nl) *	1987-11-18	1990-06-08	Dehaeze Jean Marie
JPH0727750Y2 (ja) *	1988-08-10	1995-06-21	ヤマハ株式会社	音響装置
US5109422A (en) *	1988-09-28	1992-04-28	Yamaha Corporation	Acoustic apparatus
US5714721A (en) *	1990-12-03	1998-02-03	Bose Corporation	Porting
US5138656A (en) *	1991-05-31	1992-08-11	Abraham Shanes	Intercom with transducer enclosure to attenuate resonant frequencies
US5286928A (en) *	1993-04-12	1994-02-15	Borland Nathan J	Tunable speaker tube
US5818942A (en) *	1994-11-02	1998-10-06	Freadman; Tommyca	Multimedia stereo sound source
US5623132A (en) *	1995-08-18	1997-04-22	Precision Sound Products, Inc.	Modular port tuning kit
US5647012A (en) *	1996-06-10	1997-07-08	Han; Sang Wu	Tri-chamber speaker box
US5892183A (en) *	1997-07-26	1999-04-06	U.S. Philips Corporation	Loudspeaker system having a bass-reflex port
US6062338A (en) *	1997-09-06	2000-05-16	Thompson; Michael A.	Loud speaker enclosure
US6546298B1 (en) *	1998-06-17	2003-04-08	Micron Technology, Inc.	Speaker apparatus and a computer system incorporating same
FR2819974A1 (fr) *	2001-01-24	2002-07-26	Thomson Licensing Sa	Enceinte acoustique et appareil audiovisuel comportant une telle enceinte
US6619424B2 (en) *	2001-07-02	2003-09-16	Harman International Industries, Inc.	Speaker enclosure configured to minimize diffraction
US6604602B1 (en) *	2002-09-30	2003-08-12	Chae Yong Kim	Separable speaker cover box containing speaker system
CN101305640A (zh) *	2005-11-09	2008-11-12	Nxp股份有限公司	用于优化电声换能器频率响应的装置
US8042647B1 (en)	2009-03-16	2011-10-25	Robert Layton, Jr.	Speaker side air supply
US8807269B1 (en)	2012-01-09	2014-08-19	Brian Lucy	Loudspeaker enclosure
US10645484B2 (en)	2016-12-23	2020-05-05	Tadeusz Kwolek	Loudspeaker cabinets, systems, and methods of construction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL278736A (nl) *
GB337264A (en) *	1929-12-13	1930-10-30	Celestion Ltd	Improvements relating to acoustic instruments
US2971598A (en) *	1956-08-23	1961-02-14	Sieler George Jerome	Loud speaker
US3150739A (en) *	1962-09-04	1964-09-29	Dones Raymon	Loud speaker enclosure
US3142353A (en) *	1962-10-25	1964-07-28	Carmine V Todisco	Speaker enclosure
JPS4936416B1 (nl) *	1970-02-27	1974-09-30
US3892288A (en) *	1971-10-02	1975-07-01	Monitron Ind	Speaker enclosure

1977
- 1977-09-15 NL NLAANVRAGE7710136,A patent/NL184037C/nl not_active IP Right Cessation
1978
- 1978-09-08 DE DE2839111A patent/DE2839111C2/de not_active Expired
- 1978-09-12 US US05/941,743 patent/US4213515A/en not_active Expired - Lifetime
- 1978-09-13 FR FR7826260A patent/FR2403706A1/fr active Granted
- 1978-09-15 IT IT27772/78A patent/IT1101005B/it active

Also Published As

Publication number	Publication date
DE2839111A1 (de)	1979-03-29
NL7710136A (nl)	1979-03-19
DE2839111C2 (de)	1986-09-11
US4213515A (en)	1980-07-22
FR2403706B3 (nl)	1981-01-30
FR2403706A1 (fr)	1979-04-13
IT1101005B (it)	1985-09-28
IT7827772A0 (it)	1978-09-15

Publication	Publication Date	Title
NL7806156A (nl)	1978-12-12	Luidsprekersysteem.
IT7824143A0 (it)	1978-06-02	Altoparlante.
NL188881C (nl)	1992-10-16	Luidsprekermembraan.
NL7802140A (nl)	1978-09-13	Verbindingsstelsel.
NL7600177A (nl)	1976-10-05	Luidsprekerstelsel.
BE865203A (fr)	1978-09-22	Hogedruk-kwikdampontladingslamp.
NO780520L (no)	1978-08-18	Forsterkersystem.
NL7802345A (nl)	1978-09-06	Alarmstelsel.
NL7800844A (nl)	1978-08-11	Bypass - doorspoelsysteem.
NL184037C (nl)	1989-03-16	Luidsprekerstelsel.
NL7805043A (nl)	1978-12-15	Meersysteem.
NL7808617A (nl)	1979-02-26	Microfooneenheid.
NL7807878A (nl)	1979-01-29	Dynamische luidspreker.
NL7800663A (nl)	1978-07-24	Meervoudig kaapstandertrekstelsel.
NL7701434A (nl)	1977-08-12	Luidsprekersysteem.
NL189843C (nl)	1993-08-02	Luidspreker.
NL189226C (nl)	1993-02-01	Telecommunicatiestelsel.
NL7808743A (nl)	1979-03-02	Versterker.
NL7811093A (nl)	1979-05-10	Onderwijsstelsel.
NL7901174A (nl)	1979-08-21	Luidsprekerstelsel.
NL7702202A (nl)	1978-03-29	Luidspreker-systeem.
NL7800873A (nl)	1978-07-27	Luidspreker.
NL186613C (nl)	1991-01-02	Luidsprekersysteem.
NO147633C (no)	1983-05-25	Halvt neddykkbart fartoey.
NL7709527A (nl)	1978-03-06	Luidsprekersysteem.

Legal Events

Date	Code	Title
1984-06-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-05-16	V1	Lapsed because of non-payment of the annual fee