BE528649A - - Google Patents

Info

Publication number: BE528649A
Authority: BE; Belgium

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.)

1954-05-06

Publication of BE528649A publication Critical patent/BE528649A/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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

BE528649D 1954-05-06 BE528649A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE1133412X		1954-05-06

Publications (1)

Publication Number	Publication Date
BE528649A true BE528649A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=3893713

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE528649D BE528649A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1954-05-06

Country Status (3)

Country	Link
BE (1)	BE528649A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1)	DE1048605B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1)	FR1133412A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2926740A (en) *	1957-09-11	1960-03-01	Holland Standards Inc	Acoustic control device for loudspeakers
ES187409Y (es) *	1973-01-05	1974-08-16	Portela Seijo	Bafle acustico para altavoces.

0
- DE DENDAT1048605D patent/DE1048605B/de active Pending
- BE BE528649D patent/BE528649A/xx unknown
1955
- 1955-05-06 FR FR1133412D patent/FR1133412A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1133412A (fr)	1957-03-27
DE1048605B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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