FR404417A - - Google Patents

Info

Publication number
FR404417A
FR404417A FR404417DA FR404417A FR 404417 A FR404417 A FR 404417A FR 404417D A FR404417D A FR 404417DA FR 404417 A FR404417 A FR 404417A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Active
Application number
Other languages
French (fr)
Publication of FR404417A publication Critical patent/FR404417A/fr
Active legal-status Critical Current

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
    • H04R21/00—Variable-resistance transducers
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR404417D Active FR404417A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220904T

Publications (1)

Publication Number Publication Date
FR404417A true FR404417A (enrdf_load_stackoverflow)

Family

ID=5837146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404417D Active FR404417A (enrdf_load_stackoverflow)

Country Status (2)

Country Link
DE (1) DE220904C (enrdf_load_stackoverflow)
FR (1) FR404417A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE220904C (enrdf_load_stackoverflow)

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Publication Publication Date Title
DE220904C (enrdf_load_stackoverflow)