NL43727C - - Google Patents

Info

Publication number: NL43727C
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.)

1934-10-04

Publication of NL43727C publication Critical patent/NL43727C/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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/02—Transducers using more than one principle simultaneously

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

NL43727D 1934-10-04 NL43727C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US463666XA	1934-10-04	1934-10-04

Publications (1)

Publication Number	Publication Date
NL43727C true NL43727C (enrdf_load_stackoverflow)

Family

ID=21943068

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL43727D NL43727C (enrdf_load_stackoverflow)	1934-10-04

Country Status (3)

Country	Link
FR (1)	FR795937A (enrdf_load_stackoverflow)
GB (1)	GB463666A (enrdf_load_stackoverflow)
NL (1)	NL43727C (enrdf_load_stackoverflow)

0
- NL NL43727D patent/NL43727C/xx active
1935
- 1935-10-04 FR FR795937D patent/FR795937A/fr not_active Expired
- 1935-10-04 GB GB27507/35A patent/GB463666A/en not_active Expired

Also Published As

Publication number	Publication date
GB463666A (en)	1937-04-05
FR795937A (fr)	1936-03-25

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