ES254241A1 - Aparato para grabar o reproducir vibraciones acusticas - Google Patents

Aparato para grabar o reproducir vibraciones acusticas

Info

Publication number
ES254241A1
ES254241A1 ES0254241A ES254241A ES254241A1 ES 254241 A1 ES254241 A1 ES 254241A1 ES 0254241 A ES0254241 A ES 0254241A ES 254241 A ES254241 A ES 254241A ES 254241 A1 ES254241 A1 ES 254241A1
Authority
ES
Spain
Prior art keywords
relating
vibrations provided
variable
transmitting
impedance
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
ES0254241A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES254241A1 publication Critical patent/ES254241A1/es
Expired legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Springs (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
ES0254241A 1958-12-19 1959-12-16 Aparato para grabar o reproducir vibraciones acusticas Expired ES254241A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL234436 1958-12-19

Publications (1)

Publication Number Publication Date
ES254241A1 true ES254241A1 (es) 1960-03-01

Family

ID=19751489

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0254241A Expired ES254241A1 (es) 1958-12-19 1959-12-16 Aparato para grabar o reproducir vibraciones acusticas

Country Status (6)

Country Link
CH (1) CH375541A (de)
DE (1) DE1115302B (de)
ES (1) ES254241A1 (de)
FR (1) FR1242763A (de)
GB (1) GB934632A (de)
NL (2) NL108508C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187635A (en) * 1978-04-03 1980-02-12 Deissler Robert J Method and apparatus for sound production
USD322819S (en) 1989-08-25 1991-12-31 Toy Science, Inc. Sound spring toy

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263408A (en) * 1936-04-11 1941-11-18 Lakhovsky George Means for improving the sound emitted by microphones, loudspeakers, and the like
DE1073546B (de) * 1955-05-26 1960-01-21 Rudolf Gorike Wien Dr Richtmikrophon mit geringer Erschutterungs- und Windempfind lichkeit

Also Published As

Publication number Publication date
GB934632A (en) 1963-08-21
NL108508C (de)
DE1115302B (de) 1961-10-19
FR1242763A (fr) 1960-09-30
NL234436A (de)
CH375541A (de) 1964-02-29

Similar Documents

Publication Publication Date Title
ES254241A1 (es) Aparato para grabar o reproducir vibraciones acusticas
ES259735A1 (es) Mejoras introducidas en la fabricaciën de registros magneticos
ES56544U (es) Bocina electroacústica
ES221041A1 (es) UN MÉTODO DE FABRICACIoN DE GRABACIONES MAGNÉTICAS
AT219875B (de) Tonaufnehmer für Sprechmaschinen
FR76002E (fr) Dispositif de reproduction stéréophonique des sons par des haut-parleurs
ES259363A1 (es) Mejoras en la construcciën de fonocaptores estereofënicos
CA501566A (en) Sound reproducing machines
ES73552U (es) Caja de resonancia para sonido estereofónico
CA524468A (en) Magnetic sound apparatus
FR1214353A (fr) Dispositif de reproduction stéréophonique des sons par des haut-parleurs
AU206859B2 (en) An elongated magnetic record member
ES241001A3 (es) Perfeccionamientos en las cajas-soporte de bobinas para arrollamientos de frecuencia alta o muy alta
AU1789053A (en) A polarized magnetic system particularly for single-coil bells
ES59700U (es) Un fusil de resorte para la pesca subacuática
ES251286A3 (es) Un dispositivo para la detecciën de metales
ES218631A1 (es) Aparato para el control de tiempos
AU160851B2 (en) An improved vibration damping spring
CA570377A (en) Phonograph tone arm
ES56631U (es) Mueble desmontable destinado a facilitar un sonido pseudoestereofónico mediante aparatos sonoros instalados en su interior
ES253365A1 (es) Nuevo sistema en la grabaciën e interpretaciën del fono y electrocardiograma, asi como demas senales cardiacas secundarias sobre cinta magnetofënica
AU1199055A (en) An elongated magnetic record member
ES50605U (es) Pito perfeccionado
ES78823U (es) Disco fonográfico
CA489630A (en) Magnetic impulse record member