NL29139C - - Google Patents

Info

Publication number
NL29139C
NL29139C NL48260A NL48260A NL29139C NL 29139 C NL29139 C NL 29139C NL 48260 A NL48260 A NL 48260A NL 48260 A NL48260 A NL 48260A NL 29139 C NL29139 C NL 29139C
Authority
NL
Netherlands
Application number
NL48260A
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.)
Filing date
Publication of NL29139C publication Critical patent/NL29139C/xx
Priority to US326941A priority Critical patent/US1816906A/en
Application filed filed Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/16Mounting or connecting stylus to transducer with or without damping means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/08Gramophone pick-ups using a stylus; Recorders using a stylus
NL48260A 1928-12-19 1929-09-27 NL29139C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US326941A US1816906A (en) 1928-12-19 1928-12-19 Electromagnetic device

Publications (1)

Publication Number Publication Date
NL29139C true NL29139C (en)

Family

ID=23274434

Family Applications (1)

Application Number Title Priority Date Filing Date
NL48260A NL29139C (en) 1928-12-19 1929-09-27

Country Status (4)

Country Link
US (1) US1816906A (en)
FR (1) FR683390A (en)
GB (1) GB340219A (en)
NL (1) NL29139C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508783A (en) * 1945-02-16 1950-05-23 Lionel B Cornwell Electrical sound translating device

Also Published As

Publication number Publication date
US1816906A (en) 1931-08-04
GB340219A (en) 1930-12-22
FR683390A (en) 1930-06-11

Similar Documents

Publication Publication Date Title
BE349426A (en)
NL45882C (en)
BE346330A (en)
BE346414A (en)
BE346912A (en)
BE347600A (en)
BE347774A (en)
NL33060C (en)
BE347852A (en)
BE347916A (en)
NL32127C (en)
NL29925C (en)
BE347991A (en)
NL28412C (en)
BE346318A (en)
BE348032A (en)
BE337939A (en)
BE348101A (en)
BE348105A (en)
BE348157A (en)
BE333487A (en)
BE348364A (en)
BE348421A (en)
BE348549A (en)
BE348572A (en)