NL108508C - - Google Patents

Info

Publication number: NL108508C
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.)

1958-12-19

Publication of NL108508C publication Critical patent/NL108508C/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

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Springs (AREA)

NL108508D 1958-12-19 NL108508C (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL234436		1958-12-19

Publications (1)

Publication Number	Publication Date
NL108508C true NL108508C (fr)

Family

ID=19751489

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL108508D NL108508C (fr)	1958-12-19
NL234436D NL234436A (fr)	1958-12-19

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL234436D NL234436A (fr)	1958-12-19

Country Status (6)

Country	Link
CH (1)	CH375541A (fr)
DE (1)	DE1115302B (fr)
ES (1)	ES254241A1 (fr)
FR (1)	FR1242763A (fr)
GB (1)	GB934632A (fr)
NL (2)	NL234436A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4187635A (en) *	1978-04-03	1980-02-12	Deissler Robert J	Method and apparatus for sound production

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2263408A (en) *	1936-04-11	1941-11-18	Lakhovsky George	Means for improving the sound emitted by microphones, loudspeakers, and the like
DE1073546B (de) *	1955-05-26	1960-01-21	Rudolf Gorike Wien Dr	Richtmikrophon mit geringer Erschutterungs- und Windempfind lichkeit

0
- NL NL108508D patent/NL108508C/xx active
- NL NL234436D patent/NL234436A/xx unknown
1959
- 1959-12-15 DE DEN17646A patent/DE1115302B/de active Pending
- 1959-12-16 GB GB4278159A patent/GB934632A/en not_active Expired
- 1959-12-16 CH CH8187759A patent/CH375541A/de unknown
- 1959-12-16 ES ES0254241A patent/ES254241A1/es not_active Expired
- 1959-12-17 FR FR813330A patent/FR1242763A/fr not_active Expired

Also Published As

Publication number	Publication date
GB934632A (en)	1963-08-21
CH375541A (de)	1964-02-29
FR1242763A (fr)	1960-09-30
ES254241A1 (es)	1960-03-01
DE1115302B (de)	1961-10-19
NL234436A (fr)

Publication	Publication Date	Title
JPS376174B1 (fr)	1962-06-27
FR564M (fr)	1961-06-05
FR1229356A (fr)	1960-09-06
JPS366727B1 (fr)	1961-06-05
AT221043B (fr)	1962-04-25
AT217439B (fr)	1961-10-10
AT216227B (fr)	1961-07-10
AT216749B (fr)	1961-08-10
FR1193810A (fr)	1959-11-05
AT216771B (fr)	1961-08-25
AT216803B (fr)	1961-08-25
AT216831B (fr)	1961-08-25
AT216612B (fr)	1961-08-10
AT213631B (fr)	1961-02-27
AT219815B (fr)	1962-02-26
AT219868B (fr)	1962-02-26
AT213670B (fr)	1961-02-27
LU35784A1 (fr)	1958-08-13
BE560415A (fr)
BE529624A (fr)
BE563232A (fr)
BE562866A (fr)
BE562122A (fr)
BE561138A (fr)
BE563346A (fr)