NL7012554A - - Google Patents

Info

Publication number: NL7012554A
Authority: NL; Netherlands

Application number

NL7012554A

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.)

1969-12-15

Filing date

1970-08-25

Publication date

1971-06-17

1970-08-25 Application filed filed Critical

1971-06-17 Publication of NL7012554A publication Critical patent/NL7012554A/xx

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
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

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)
Circuit For Audible Band Transducer (AREA)

NL7012554A 1969-12-15 1970-08-25 NL7012554A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US88483069A	1969-12-15	1969-12-15

Publications (1)

Publication Number	Publication Date
NL7012554A true NL7012554A (fr)	1971-06-17

Family

ID=25385503

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7012554A NL7012554A (fr)	1969-12-15	1970-08-25

Country Status (7)

Country	Link
US (1)	US3590942A (fr)
AU (1)	AU1588270A (fr)
BE (1)	BE749737A (fr)
DE (1)	DE2045610A1 (fr)
FR (1)	FR2068810B3 (fr)
GB (1)	GB1269005A (fr)
NL (1)	NL7012554A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3727004A (en) *	1967-12-04	1973-04-10	Bose Corp	Loudspeaker system
USRE31228E (en) *	1967-12-04	1983-05-03	Bose Corporation	Loudspeaker system
US3720787A (en) *	1970-03-28	1973-03-13	Victor Company Of Japan	Omni-directional globular speaker system
US3818138A (en) *	1971-07-26	1974-06-18	A Sperrazza	Barrel shaped speaker enclosure
US3923123A (en) *	1972-11-10	1975-12-02	Latimer Sayer Laurence	Sound reproducing apparatus
DE2435944C3 (de) *	1974-07-25	1985-07-18	Poensgen, Karl Otto, 8000 München	Hifi-Lautsprecherbox
NL8802488A (nl) *	1988-10-11	1990-05-01	Rob Jurrien Oliemuller	Luidsprekerbox.
FR2668015B1 (fr) *	1990-10-16	1993-07-30	Piccfaluga Pierre	Procede pour ameliorer la qualite de la restitution d'une ambiance sonore, et appareil de mise en óoeuvre comportant au moins un haut-parleur emettant dans trois directions.
US5268538A (en) *	1991-06-12	1993-12-07	Sonic Systems, Inc.	Hemispherically wide-radiating-angle loudspeaker system
US8175304B1 (en) *	2008-02-12	2012-05-08	North Donald J	Compact loudspeaker system
US20100246880A1 (en) *	2009-03-30	2010-09-30	Oxford J Craig	Method and apparatus for enhanced stimulation of the limbic auditory response
HU229608B1 (en) *	2011-10-04	2014-03-28	Zoltan Bay	Loudspeaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL298920A (fr) *	1962-10-12
US3268030A (en) *	1965-04-13	1966-08-23	Finn H Magnus	Acoustic system
US3393764A (en) *	1966-12-27	1968-07-23	Curtiss R. Schafer	Loudspeaker systems

1969
- 1969-12-15 US US884830A patent/US3590942A/en not_active Expired - Lifetime
1970
- 1970-04-16 GB GB08265/70A patent/GB1269005A/en not_active Expired
- 1970-04-29 BE BE749737D patent/BE749737A/fr unknown
- 1970-06-03 AU AU15882/70A patent/AU1588270A/en not_active Expired
- 1970-08-25 NL NL7012554A patent/NL7012554A/xx unknown
- 1970-09-09 DE DE19702045610 patent/DE2045610A1/de active Pending
- 1970-09-29 FR FR707035233A patent/FR2068810B3/fr not_active Expired

Also Published As

Publication number	Publication date
BE749737A (fr)	1970-10-01
AU1588270A (en)	1971-12-09
GB1269005A (en)	1972-03-29
US3590942A (en)	1971-07-06
FR2068810A7 (fr)	1971-09-03
DE2045610A1 (de)	1971-06-24
FR2068810B3 (fr)	1973-08-10

Publication	Publication Date	Title
AU465452B2 (fr)	1975-09-11
AU429630B2 (fr)	1972-10-26
AU450150B2 (fr)	1970-11-12
AU442375B2 (fr)	1973-11-06
AU2355770A (fr)	1972-06-22
AU427401B2 (fr)	1972-08-17
AU470301B1 (fr)	1972-05-25
AU442538B2 (fr)	1973-11-12
AU428074B2 (fr)	1972-09-11
AU425297B2 (fr)	1972-03-26
AT308690B (fr)	1973-06-15
AU438128B2 (fr)	1973-07-16
AU470661B1 (fr)	1970-10-05
AU442285B2 (fr)	1973-11-02
AU442322B2 (fr)	1973-11-02
AU442357B2 (fr)	1973-11-07
AU417208B2 (fr)	1971-10-14
AU442380B2 (fr)	1973-11-05
AU442463B2 (fr)	1973-11-09
AU442535B2 (fr)	1973-11-12
AU410358B2 (fr)	1971-02-09
AU442554B2 (fr)	1973-11-13
AU414607B2 (fr)	1971-06-29
AU5228269A (fr)	1970-09-24
AU5109569A (fr)	1970-08-27