ES175016A1 - Mejoras en los dispositivos de pick-up fonográfico - Google Patents

Mejoras en los dispositivos de pick-up fonográfico

Info

Publication number
ES175016A1
ES175016A1 ES175016A ES175016A ES175016A1 ES 175016 A1 ES175016 A1 ES 175016A1 ES 175016 A ES175016 A ES 175016A ES 175016 A ES175016 A ES 175016A ES 175016 A1 ES175016 A1 ES 175016A1
Authority
ES
Spain
Prior art keywords
devices
phonographic
pick
phonographic pick
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
ES175016A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES175016A1 publication Critical patent/ES175016A1/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R15/00—Magnetostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Magnetic Heads (AREA)
ES175016A 1945-10-25 1946-09-19 Mejoras en los dispositivos de pick-up fonográfico Expired ES175016A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US624362A US2471542A (en) 1945-10-25 1945-10-25 Phonograph pickup unit using magnetostrictive wire

Publications (1)

Publication Number Publication Date
ES175016A1 true ES175016A1 (es) 1946-11-01

Family

ID=24501704

Family Applications (1)

Application Number Title Priority Date Filing Date
ES175016A Expired ES175016A1 (es) 1945-10-25 1946-09-19 Mejoras en los dispositivos de pick-up fonográfico

Country Status (2)

Country Link
US (1) US2471542A (es)
ES (1) ES175016A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621260A (en) * 1947-01-24 1952-12-09 Sykes Adrian Francis Electrical sound recording, reproducing, and like apparatus
US2643367A (en) * 1948-01-05 1953-06-23 Phillips Petroleum Co Magnetostriction seismometer
US2613283A (en) * 1948-12-09 1952-10-07 Alertronic Protective Corp Of Vibration transducer assembly
US2623938A (en) * 1949-03-21 1952-12-30 Phillips Petroleum Co Seismometer
US2736824A (en) * 1950-12-21 1956-02-28 Rca Corp Magnetostrictive ferrites
US2676227A (en) * 1952-04-25 1954-04-20 Fox Paul Xavier Variable electrical resistance and potentiometer
US3011081A (en) * 1956-07-05 1961-11-28 Vyzk A Zkusebni Letecky Ustav Feeler member for transforming a mechanical value into an electric value
US2945192A (en) * 1957-09-16 1960-07-12 Standard Coil Prod Co Inc Frequency modulated crystal generator
US3670944A (en) * 1970-02-12 1972-06-20 Ibm Miniature ultrasonic bonding device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351905A (en) * 1886-11-02 eickemeyer
DE513062C (de) * 1928-01-25 1930-11-22 Gustav Scheel Elektrische Wiedergabedose fuer Schallplattenuebertragung
US1821836A (en) * 1930-04-07 1931-09-01 Gen Electric Pick-up device
US1882400A (en) * 1931-03-04 1932-10-11 Pierce Vibratory device
US2348352A (en) * 1941-05-21 1944-05-09 Bell Telephone Labor Inc Alternating current generator

Also Published As

Publication number Publication date
US2471542A (en) 1949-05-31

Similar Documents

Publication Publication Date Title
ES175016A1 (es) Mejoras en los dispositivos de pick-up fonográfico
ES182178A1 (es) Mejoras en radiorreceptores
ES180663A1 (es) Mejoras en radiorreceptores
ES174197A1 (es) Mejoras en los cojinetes
FR942640A (fr) Enregistrements phonographiques
FR920465A (fr) Broyeur-pressoir
FR910581A (fr) Aéromoteur
FR916814A (fr) Tourne-disque de machines parlantes
FR932195A (fr) Lecteur phonographique
FI22268A (fi) Suksipidinlaite
FR921190A (fr) Dispositif de haut-parleurs groupés
FR997954A (fr) Tarare perfectionné
FR922065A (fr) Stylomine
FI23328A (fi) Koppling
FI22523A (fi) Värmeutväxlare
ES177006A1 (es) Mejoras en dispositivos de circuitos
ES170759A1 (es) Mejoras en los aparatos de tomavistas cinematográficos
ES169886A1 (es) Perfeccionamientos en los trillos mecánicos
ES169000A1 (es) Aparato de cianhidrizacion
FR924968A (fr) Appareils enregistreurs électriques
FR911344A (fr) Phonographe automatique
FR935075A (fr) Phonographe automatique
ES169963A1 (es) Perfeccionamientos en osciladores-moduladores
FR909375A (fr) Gazogène
ES169811A1 (es) Perfeccionamientos en los aparatos fotográficos