NL231921A - - Google Patents

Info

Publication number
NL231921A
NL231921A NL231921DA NL231921A NL 231921 A NL231921 A NL 231921A NL 231921D A NL231921D A NL 231921DA NL 231921 A NL231921 A NL 231921A
Authority
NL
Netherlands
Application number
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.)
Publication of NL231921A publication Critical patent/NL231921A/xx

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
    • H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
    • 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)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Moving Of Heads (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL231921D 1957-10-08 NL231921A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31481/57A GB856829A (en) 1957-10-08 1957-10-08 Improvements in gramophone pick-ups

Publications (1)

Publication Number Publication Date
NL231921A true NL231921A (enrdf_load_html_response)

Family

ID=10323744

Family Applications (2)

Application Number Title Priority Date Filing Date
NL231921D NL231921A (enrdf_load_html_response) 1957-10-08
NL103122D NL103122C (enrdf_load_html_response) 1957-10-08

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL103122D NL103122C (enrdf_load_html_response) 1957-10-08

Country Status (7)

Country Link
US (1) US2984711A (enrdf_load_html_response)
BE (1) BE571819A (enrdf_load_html_response)
CH (1) CH363499A (enrdf_load_html_response)
DE (1) DE1113584B (enrdf_load_html_response)
FR (1) FR1212894A (enrdf_load_html_response)
GB (1) GB856829A (enrdf_load_html_response)
NL (2) NL103122C (enrdf_load_html_response)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394325A (en) * 1931-12-14 1933-06-14 Alan Dower Blumlein Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
US2105916A (en) * 1934-09-05 1938-01-18 Bell Telephone Labor Inc Sound reproducing system
US2114471A (en) * 1936-06-20 1938-04-19 Bell Telephone Labor Inc Sound recording and reproducing system
DE816311C (de) * 1949-05-04 1951-10-08 Telefunken Gmbh Tonabnehmer
US2875282A (en) * 1953-10-06 1959-02-24 Earl M Reiback Binaural phonograph pickup
US2864897A (en) * 1958-02-17 1958-12-16 Hoffman Electronics Corp Universal phonograph pickup head or the like

Also Published As

Publication number Publication date
US2984711A (en) 1961-05-16
GB856829A (en) 1960-12-21
NL103122C (enrdf_load_html_response)
BE571819A (enrdf_load_html_response)
DE1113584B (de) 1961-09-07
CH363499A (de) 1962-07-31
FR1212894A (fr) 1960-03-28

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