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

    • 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)
  • 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 (enrdf_load_html_response)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL54031C true NL54031C (enrdf_load_html_response)

Family

ID=5793934

Family Applications (1)

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

Country Status (6)

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

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 (enrdf_load_html_response) * 1959-05-21

Also Published As

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

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