BE457138A - - Google Patents

Info

Publication number
BE457138A
BE457138A BE457138DA BE457138A BE 457138 A BE457138 A BE 457138A BE 457138D A BE457138D A BE 457138DA BE 457138 A BE457138 A BE 457138A
Authority
BE
Belgium
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 BE457138A publication Critical patent/BE457138A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE457138D 1943-07-09 BE457138A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL245733X 1943-07-09

Publications (1)

Publication Number Publication Date
BE457138A true BE457138A (enrdf_load_html_response)

Family

ID=19780826

Family Applications (1)

Application Number Title Priority Date Filing Date
BE457138D BE457138A (enrdf_load_html_response) 1943-07-09

Country Status (6)

Country Link
US (1) US2509968A (enrdf_load_html_response)
BE (1) BE457138A (enrdf_load_html_response)
CH (1) CH245733A (enrdf_load_html_response)
DE (1) DE847355C (enrdf_load_html_response)
FR (1) FR906858A (enrdf_load_html_response)
GB (1) GB619182A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858375A (en) * 1955-10-11 1958-10-28 Rca Corp Wide range dynamic phonograph pickup

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1689339A (en) * 1923-12-15 1928-10-30 Western Electric Co Energy-translation system
US1785047A (en) * 1927-09-14 1930-12-16 Rca Corp Method and means for cutting phonograph records
GB384531A (en) * 1931-04-22 1932-12-08 Paillard & Cie Sa E Improvements in or relating to gramophone pick-ups
US2025388A (en) * 1934-09-05 1935-12-24 Bell Telephone Labor Inc Sound reproducing system
NL61306C (enrdf_load_html_response) * 1937-10-07
US2290057A (en) * 1938-09-12 1942-07-14 Jr Theodore Lindenberg Sound recording and reproducing mechanism

Also Published As

Publication number Publication date
CH245733A (de) 1946-11-30
US2509968A (en) 1950-05-30
DE847355C (de) 1952-08-25
FR906858A (fr) 1946-02-22
GB619182A (en) 1949-03-04

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