NL195295A - - Google Patents

Info

Publication number: NL195295A
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.)

1954-03-05

Publication of NL195295A publication Critical patent/NL195295A/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
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

NL195295D 1954-03-05 NL195295A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB6547/54A GB767309A (en)	1954-03-05	1954-03-05	Improvements in or relating to moving coil type loudspeakers

Publications (1)

Publication Number	Publication Date
NL195295A true NL195295A (en)

Family

ID=9816486

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL102625D NL102625C (en)	1954-03-05
NL195295D NL195295A (en)	1954-03-05

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL102625D NL102625C (en)	1954-03-05

Country Status (6)

Country	Link
US (1)	US2818471A (en)
BE (1)	BE536113A (en)
DE (1)	DE1002396B (en)
FR (1)	FR1119908A (en)
GB (1)	GB767309A (en)
NL (2)	NL195295A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8402229D0 (en) *	1984-01-27	1984-02-29	Tannoy Ltd	Moving coil loudspeaker
GB2261135A (en) *	1991-11-02	1993-05-05	Meir Mordechai	A loudspeaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB445935A (en) *	1934-10-17	1936-04-17	Alfred Sidney Evans	An improved sound reproducing device
US2699472A (en) *	1950-07-21	1955-01-11	Rca Corp	Coaxial, dual unit, electrodynamic loud-speaker

0
- BE BE536113D patent/BE536113A/xx unknown
- NL NL102625D patent/NL102625C/xx active
- NL NL195295D patent/NL195295A/xx unknown
1954
- 1954-03-05 GB GB6547/54A patent/GB767309A/en not_active Expired
1955
- 1955-02-28 US US491145A patent/US2818471A/en not_active Expired - Lifetime
- 1955-03-01 FR FR1119908D patent/FR1119908A/en not_active Expired
- 1955-03-03 DE DEG16616A patent/DE1002396B/en active Pending

Also Published As

Publication number	Publication date
DE1002396B (en)	1957-02-14
FR1119908A (en)	1956-06-27
BE536113A (en)
US2818471A (en)	1957-12-31
NL102625C (en)
GB767309A (en)	1957-01-30

Publication	Publication Date	Title
AT191484B (en)
AT192924B (en)
AT195977B (en)	1958-02-25
AT195459B (en)	1958-02-10
AT192363B (en)	1957-10-10
AT196304B (en)	1958-03-10
AT192385B (en)	1957-10-10
AT189950B (en)	1957-05-25
FR1055556A (en)	1954-02-19
AT195345B (en)	1958-01-25
AT190491B (en)	1957-07-10
AT192359B (en)	1957-10-10
AT196486B (en)	1958-03-25
AT194476B (en)	1958-01-10
AT195139B (en)	1958-01-25
AT194415B (en)	1958-01-10
AT193927B (en)	1957-12-10
AT195552B (en)	1958-02-10
AT194528B (en)	1958-01-10
AT194723B (en)	1958-01-10
AT194735B (en)	1958-01-10
AT195750B (en)	1958-02-25
AT194891B (en)	1958-01-25
AT194954B (en)	1958-01-25
AT194354B (en)	1958-01-10