CH284835A - Lecteur électromagnétique. - Google Patents

Lecteur électromagnétique.

Info

Publication number
CH284835A
CH284835A CH284835DA CH284835A CH 284835 A CH284835 A CH 284835A CH 284835D A CH284835D A CH 284835DA CH 284835 A CH284835 A CH 284835A
Authority
CH
Switzerland
Prior art keywords
electromagnetic reader
reader
electromagnetic
Prior art date
Application number
Other languages
English (en)
Inventor
Michetti Spartaco
Original Assignee
Michetti Spartaco
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 date
Application filed by Michetti Spartaco filed Critical Michetti Spartaco
Publication of CH284835A publication Critical patent/CH284835A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH284835D 1948-05-31 1949-05-03 Lecteur électromagnétique. CH284835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT284835X 1948-05-31

Publications (1)

Publication Number Publication Date
CH284835A true CH284835A (fr) 1952-08-15

Family

ID=11223667

Family Applications (1)

Application Number Title Priority Date Filing Date
CH284835D CH284835A (fr) 1948-05-31 1949-05-03 Lecteur électromagnétique.

Country Status (2)

Country Link
CH (1) CH284835A (fr)
FR (1) FR985812A (fr)

Also Published As

Publication number Publication date
FR985812A (fr) 1951-07-24

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