BE510411A - - Google Patents

Info

Publication number: BE510411A
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.)

1951-04-09

Publication of BE510411A publication Critical patent/BE510411A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/085—Welding transformers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Multimedia (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Arc Welding Control (AREA)

BE510411D 1951-04-09 BE510411A (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE717148X		1951-04-09

Publications (1)

Publication Number	Publication Date
BE510411A true BE510411A (cs)

Family

ID=6626620

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE510411D BE510411A (cs)	1951-04-09

Country Status (5)

Country	Link
BE (1)	BE510411A (cs)
CH (1)	CH328490A (cs)
DE (1)	DE886798C (cs)
FR (1)	FR1059899A (cs)
GB (1)	GB717148A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE960123C (de) *	1951-04-18	1957-04-04	Siemens Ag	Einrichtung zur Stromregelung bei Lichtbogen-Schweisstransformatoren
US2905260A (en) *	1955-02-24	1959-09-22	Muter Company	Loud speaker diaphragm
US3111187A (en) *	1959-11-23	1963-11-19	H J Leak & Company Ltd	Diaphragm for electro acoustic transducer
US3164221A (en) *	1961-06-06	1965-01-05	Rosen Alfred H	Low frequency loudspeaker system

0
- BE BE510411D patent/BE510411A/xx unknown
- DE DENDAT886798D patent/DE886798C/de not_active Expired
1952
- 1952-03-28 GB GB8021/52A patent/GB717148A/en not_active Expired
- 1952-04-01 FR FR1059899D patent/FR1059899A/fr not_active Expired
1953
- 1953-11-04 CH CH328490D patent/CH328490A/de unknown

Also Published As

Publication number	Publication date
DE886798C (de)	1953-07-02
CH328490A (de)	1958-03-15
GB717148A (en)	1954-10-20
FR1059899A (fr)	1954-03-29

Publication	Publication Date	Title
FR971104A (cs)	1951-01-12
IT500103A (cs)
FR979978A (cs)	1951-05-07
FR973977A (cs)	1951-02-16
AT197970B (cs)	1958-05-27
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