NL54031C - - Google Patents

Info

Publication number
NL54031C
NL54031C NL54031DA NL54031C NL 54031 C NL54031 C NL 54031C NL 54031D A NL54031D A NL 54031DA NL 54031 C NL54031 C NL 54031C
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 NL54031C publication Critical patent/NL54031C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL54031D 1937-07-28 NL54031C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207878X 1937-07-28

Publications (1)

Publication Number Publication Date
NL54031C true NL54031C (xx)

Family

ID=5793934

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54031D NL54031C (xx) 1937-07-28

Country Status (6)

Country Link
US (1) US2240918A (xx)
BE (1) BE429396A (xx)
CH (1) CH207878A (xx)
FR (1) FR841322A (xx)
GB (1) GB510297A (xx)
NL (1) NL54031C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473650A (en) * 1943-06-10 1949-06-21 Zenith Radio Corp Phonograph pickup with mechanical filter
US2547361A (en) * 1947-05-19 1951-04-03 Donald J Baker Pickup head using torsional mount for armatures
US2622156A (en) * 1949-01-27 1952-12-16 Donald J Baker Pickup head with removable armature and stylus assembly
US2637920A (en) * 1949-04-28 1953-05-12 Richard H Hallsted Barrier for motor vehicle parking systems
NL108094C (xx) * 1959-05-21

Also Published As

Publication number Publication date
FR841322A (fr) 1939-05-17
CH207878A (de) 1939-12-15
BE429396A (xx)
GB510297A (en) 1939-07-31
US2240918A (en) 1941-05-06

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