NL25222C - - Google Patents

Info

Publication number
NL25222C
NL25222C NL25222DA NL25222C NL 25222 C NL25222 C NL 25222C NL 25222D A NL25222D A NL 25222DA NL 25222 C NL25222 C NL 25222C
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.)
Publication of NL25222C publication Critical patent/NL25222C/xx
Priority claimed from US191012A external-priority patent/US1747829A/en
Priority claimed from US205562A external-priority patent/US1762991A/en

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)
  • Dc Machiner (AREA)
  • Moving Of Heads (AREA)
  • Electromagnets (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL25222D 1927-05-13 NL25222C (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US191012A US1747829A (en) 1927-05-13 1927-05-13 Electrical reproducer
US205562A US1762991A (en) 1927-07-14 1927-07-14 Electromagnetic reproducer or recorder

Publications (1)

Publication Number Publication Date
NL25222C true NL25222C (enrdf_load_stackoverflow)

Family

ID=26886655

Family Applications (1)

Application Number Title Priority Date Filing Date
NL25222D NL25222C (enrdf_load_stackoverflow) 1927-05-13

Country Status (3)

Country Link
DE (1) DE573753C (enrdf_load_stackoverflow)
GB (4) GB290290A (enrdf_load_stackoverflow)
NL (1) NL25222C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB290264A (en) 1929-04-08
DE573753C (de) 1933-04-05
GB290290A (enrdf_load_stackoverflow) 1929-04-08
GB293847A (en) 1929-04-08
GB307847A (en) 1930-05-22

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