CH213942A - Elektromechanische Vorrichtung zur Übertragung von Schwingungen. - Google Patents

Elektromechanische Vorrichtung zur Übertragung von Schwingungen.

Info

Publication number
CH213942A
CH213942A CH213942DA CH213942A CH 213942 A CH213942 A CH 213942A CH 213942D A CH213942D A CH 213942DA CH 213942 A CH213942 A CH 213942A
Authority
CH
Switzerland
Prior art keywords
electromechanical device
transmitting vibrations
vibrations
transmitting
electromechanical
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Dictaphone
Original Assignee
Dictaphone Corp
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 Dictaphone Corp filed Critical Dictaphone Corp
Publication of CH213942A publication Critical patent/CH213942A/de

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)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
CH213942D 1939-03-21 1940-03-21 Elektromechanische Vorrichtung zur Übertragung von Schwingungen. CH213942A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263229A US2238863A (en) 1939-03-21 1939-03-21 Translation device for phonographs

Publications (1)

Publication Number Publication Date
CH213942A true CH213942A (de) 1941-03-31

Family

ID=23000905

Family Applications (1)

Application Number Title Priority Date Filing Date
CH213942D CH213942A (de) 1939-03-21 1940-03-21 Elektromechanische Vorrichtung zur Übertragung von Schwingungen.

Country Status (4)

Country Link
US (1) US2238863A (de)
CH (1) CH213942A (de)
FR (1) FR865011A (de)
GB (1) GB539308A (de)

Families Citing this family (4)

* 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
US2485432A (en) * 1945-11-28 1949-10-18 Lionel B Cornwell Magnetic phonograph pickup
US2554696A (en) * 1947-05-26 1951-05-29 Henry H Bruderlin Magnetic phonograph pickup head with two pairs of pole pieces
US2496047A (en) * 1947-06-18 1950-01-31 Rca Corp Art of recording and reproducing two-sided magnetic records

Also Published As

Publication number Publication date
FR865011A (fr) 1941-05-12
GB539308A (en) 1941-09-04
US2238863A (en) 1941-04-15

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