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
Application filed filed Critical

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL48260A 1928-12-19 1929-09-27 NL29139C (enrdf_load_stackoverflow)

Applications Claiming Priority (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 (enrdf_load_stackoverflow)

Family

ID=23274434

Family Applications (1)

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

Country Status (4)

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

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
GB340219A (en) 1930-12-22
FR683390A (fr) 1930-06-11
US1816906A (en) 1931-08-04

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