ES178082A2 - IMPROVEMENTS IN ELECTRICAL SOUND RECORDERS OR PLAYERS HEADS - Google Patents

IMPROVEMENTS IN ELECTRICAL SOUND RECORDERS OR PLAYERS HEADS

Info

Publication number
ES178082A2
ES178082A2 ES0178082A ES178082A ES178082A2 ES 178082 A2 ES178082 A2 ES 178082A2 ES 0178082 A ES0178082 A ES 0178082A ES 178082 A ES178082 A ES 178082A ES 178082 A2 ES178082 A2 ES 178082A2
Authority
ES
Spain
Prior art keywords
heads
players
electrical sound
sound recorders
recorders
Prior art date
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.)
Expired
Application number
ES0178082A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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
Priority claimed from GB2087/45A external-priority patent/GB608036A/en
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES178082A2 publication Critical patent/ES178082A2/en
Expired 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
    • 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)
  • Impact Printers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

Mejoras en cabezales registradores reproductores de sonido eléctricos en los que la armadura comprende un elemento magnético que está montado para vibración sobre una tira resorte de material no magnético fijada en sus extremos en un soporte e intermediante en el elemento magnético.Improvements in electric sound reproducing recording heads in which the armature comprises a magnetic element that is mounted for vibration on a spring strip of non-magnetic material fixed at its ends in a support and intermediate in the magnetic element.

ES0178082A 1945-01-26 1947-05-17 IMPROVEMENTS IN ELECTRICAL SOUND RECORDERS OR PLAYERS HEADS Expired ES178082A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2087/45A GB608036A (en) 1944-11-09 1945-01-26 Improvements in or relating to sound reproducer or recorder heads

Publications (1)

Publication Number Publication Date
ES178082A2 true ES178082A2 (en) 1947-07-01

Family

ID=9733353

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178082A Expired ES178082A2 (en) 1945-01-26 1947-05-17 IMPROVEMENTS IN ELECTRICAL SOUND RECORDERS OR PLAYERS HEADS

Country Status (4)

Country Link
US (1) US2498671A (en)
BE (1) BE480688A (en)
ES (1) ES178082A2 (en)
FR (1) FR931028A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188029A (en) * 1921-07-23 1922-10-23 Thomas Henry Cole Improvements in gramophones and the like
DE607566C (en) * 1930-09-12 1935-01-02 Columbia Graphophone Co Ltd Sound recorder for records
US2037255A (en) * 1931-03-21 1936-04-14 United Res Corp Electromagnetic translating device
US1968149A (en) * 1931-08-17 1934-07-31 Capehart Corp Phonograph pick-up mechanism
NL43098C (en) * 1934-05-17
US2141584A (en) * 1936-02-22 1938-12-27 Wittander Samuel Sound reproducing and recording apparatus
US2412718A (en) * 1943-08-07 1946-12-17 Webster Electric Co Inc Recorder

Also Published As

Publication number Publication date
BE480688A (en)
US2498671A (en) 1950-02-28
FR931028A (en) 1948-02-11

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