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)
Details Of Audible-Bandwidth Transducers (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

NL236886D 1959-03-07 NL236886A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NL236886A true NL236886A (en)

Family

ID=19751613

Family Applications (2)

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

Family Applications After (1)

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

Country Status (5)

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

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
US4657108A (en) *	1983-03-02	1987-04-14	Ward Brian D	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/en active Pending
- 1960-03-04 GB GB776060A patent/GB915367A/en not_active Expired
- 1960-03-04 BE BE588332A patent/BE588332A/en unknown
- 1960-03-07 FR FR820546A patent/FR1250279A/en not_active Expired

Also Published As

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

Publication	Publication Date	Title
AT221460B (en)	1962-05-25
AT227430B (en)	1963-05-27
FR1317902A (en)	1963-05-10
AT219274B (en)	1962-01-25
AT213197B (en)	1961-01-25
AT213304B (en)	1961-02-10
AT213627B (en)	1961-02-27
AT218043B (en)	1961-11-10
AT219930B (en)	1962-02-26
FR1193805A (en)	1959-11-05
LU38760A1 (en)	1960-08-02
BE585935A (en)
BE583741A (en)
LU38530A1 (en)
BE461618A (en)
NL235795A (en)
BE38840A (en)
BE597898A (en)
BE586571A (en)
BE586479A (en)
BE586431A (en)
BE586364A (en)
BE586348A (en)
BE586272A (en)
BE586266A (en)