NL236886A - - Google Patents

Info

Publication number: NL236886A
Authority: NL; Netherlands

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.)

1959-03-07

Publication of NL236886A publication Critical patent/NL236886A/xx

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
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means 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)
Details Of Audible-Bandwidth Transducers (AREA)

NL236886D 1959-03-07 NL236886A (el)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL236886		1959-03-07

Publications (1)

Publication Number	Publication Date
NL236886A true NL236886A (el)

Family

ID=19751613

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL236886D NL236886A (el)	1959-03-07
NL111477A NL111477C (el)	1959-03-07	1959-03-07

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL111477A NL111477C (el)	1959-03-07	1959-03-07

Country Status (5)

Country	Link
BE (1)	BE588332A (el)
DE (1)	DE1098038B (el)
FR (1)	FR1250279A (el)
GB (1)	GB915367A (el)
NL (2)	NL111477C (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4004094A (en) *	1976-03-16	1977-01-18	Novar Electronics Corporation	Enclosure system for sound generators
US4350724A (en)	1978-05-08	1982-09-21	Marrs Ralph E	Acoustic energy systems
US4450929A (en) *	1980-05-09	1984-05-29	Marrs Ralph E	Acoustic energy systems
GB2146871B (en) *	1983-03-02	1986-11-26	Brian Douglas Ward	Constant pressure device

0
- NL NL236886D patent/NL236886A/xx unknown
1959
- 1959-03-07 NL NL111477A patent/NL111477C/xx active
1960
- 1960-03-03 DE DEN17978A patent/DE1098038B/de active Pending
- 1960-03-04 BE BE588332A patent/BE588332A/fr unknown
- 1960-03-04 GB GB776060A patent/GB915367A/en not_active Expired
- 1960-03-07 FR FR820546A patent/FR1250279A/fr not_active Expired

Also Published As

Publication number	Publication date
NL111477C (el)	1965-07-15
BE588332A (fr)	1960-09-05
DE1098038B (de)	1961-01-26
GB915367A (en)	1963-01-09
FR1250279A (fr)	1961-01-06

Publication	Publication Date	Title
BE575800A (el)	1959-06-15
BE586266A (el)
BE585450A (el)
BE583407A (el)
BE583031A (el)
NL111477C (el)	1965-07-15
BE582510A (el)
BE582128A (el)
BE576754A (el)
BE581863A (el)
BE581706A (el)
BE581586A (el)
BE581509A (el)
BE581344A (el)
BE580250A (el)
BE579810A (el)
BE576772A (el)	1959-04-15
BE579636A (el)	1959-12-14
SE305445B (el)	1968-10-28
NL98970C (el)
NL257375A (el)
BE578627A (el)
NL252277A (el)
NL251745A (el)
NL251026A (el)