NL69947C - - Google Patents

Info

Publication number: NL69947C
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.)

1945-07-23

Publication of NL69947C publication Critical patent/NL69947C/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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- 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
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Electromagnetism (AREA)
Moving Of Heads (AREA)

NL69947D 1945-07-23 NL69947C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1886145A GB615423A (en)	1945-07-23	1945-07-23	Improvements in or relating to electric pick-ups for sound reproducing apparatus

Publications (1)

Publication Number	Publication Date
NL69947C true NL69947C (enrdf_load_stackoverflow)

Family

ID=10119665

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL69947D NL69947C (enrdf_load_stackoverflow)	1945-07-23

Country Status (3)

Country	Link
FR (1)	FR935457A (enrdf_load_stackoverflow)
GB (1)	GB615423A (enrdf_load_stackoverflow)
NL (1)	NL69947C (enrdf_load_stackoverflow)

0
- NL NL69947D patent/NL69947C/xx active
1945
- 1945-07-23 GB GB1886145A patent/GB615423A/en not_active Expired
1946
- 1946-10-30 FR FR935457D patent/FR935457A/fr not_active Expired

Also Published As

Publication number	Publication date
FR935457A (fr)	1948-06-18
GB615423A (en)	1949-01-06

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