NL5748C - - Google Patents

Info

Publication number: NL5748C
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.)

1918-02-15

Publication of NL5748C publication Critical patent/NL5748C/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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Resistance Heating (AREA)
Pipe Accessories (AREA)
Insulated Conductors (AREA)

NL5748D 1918-02-15 NL5748C (,)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE318481T		1918-02-15

Publications (1)

Publication Number	Publication Date
NL5748C true NL5748C (,)

Family

ID=32332101

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL5748D NL5748C (,)	1918-02-15

Country Status (4)

Country	Link
DE (1)	DE318481C (,)
FR (1)	FR495443A (,)
GB (1)	GB123727A (,)
NL (1)	NL5748C (,)

0
- NL NL5748D patent/NL5748C/xx active
1918
- 1918-02-15 DE DE1918318481D patent/DE318481C/de not_active Expired - Lifetime
1919
- 1919-02-01 FR FR495443D patent/FR495443A/fr not_active Expired
- 1919-02-14 GB GB361919A patent/GB123727A/en not_active Expired

Also Published As

Publication number	Publication date
GB123727A (en)	1919-09-04
DE318481C (,)
FR495443A (fr)	1919-10-08

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