NL90444C - - Google Patents

Info

Publication number
NL90444C
NL90444C NL90444DA NL90444C NL 90444 C NL90444 C NL 90444C NL 90444D A NL90444D A NL 90444DA NL 90444 C NL90444 C NL 90444C
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 NL90444C publication Critical patent/NL90444C/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
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL90444D 1954-07-21 NL90444C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK22910A DE1052458B (de) 1954-07-21 1954-07-21 Zum Einbau in eine Hoerkapsel fuer Fernsprechgeraete bestimmtes elektromagnetisches Vierpolsystem

Publications (1)

Publication Number Publication Date
NL90444C true NL90444C (enrdf_load_stackoverflow)

Family

ID=7216583

Family Applications (1)

Application Number Title Priority Date Filing Date
NL90444D NL90444C (enrdf_load_stackoverflow) 1954-07-21

Country Status (2)

Country Link
DE (1) DE1052458B (enrdf_load_stackoverflow)
NL (1) NL90444C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer
US3005880A (en) * 1960-05-06 1961-10-24 Elvin D Simshauser Non-linear transducer armature
NL282929A (enrdf_load_stackoverflow) * 1961-09-06

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH148183A (de) * 1929-11-25 1931-07-15 Ideal Werke Ag Mittelst Blattfedern elastisch eingespannter Anker an ferromagnetischen Lautsprecher-Antriebssystemen.
US2163161A (en) * 1937-05-20 1939-06-20 Control Instr Co Inc Magnetic unit
GB529107A (en) * 1938-05-12 1940-11-14 Telefunken Gmbh Improvements in or relating to magnets
CH218774A (de) * 1939-09-05 1941-12-31 Fides Gmbh Magnetisches Mikrofon.
CH261156A (de) * 1947-02-20 1949-04-30 Siemens Ag Albis Elektroakustischer Wandler.
GB643518A (en) * 1947-08-19 1950-09-20 Wheeler Insulated Wire Company Improvements in or relating to transducers

Also Published As

Publication number Publication date
DE1052458B (de) 1959-03-12

Similar Documents

Publication Publication Date Title
AT191484B (enrdf_load_stackoverflow)
AT192924B (enrdf_load_stackoverflow)
JPS346335B1 (enrdf_load_stackoverflow)
AT192363B (enrdf_load_stackoverflow)
FR1069491A (enrdf_load_stackoverflow)
AT195459B (enrdf_load_stackoverflow)
AT192385B (enrdf_load_stackoverflow)
JPS308232B1 (enrdf_load_stackoverflow)
AT195345B (enrdf_load_stackoverflow)
AT189950B (enrdf_load_stackoverflow)
AT192359B (enrdf_load_stackoverflow)
AT195836B (enrdf_load_stackoverflow)
AT190491B (enrdf_load_stackoverflow)
AT194528B (enrdf_load_stackoverflow)
AT195139B (enrdf_load_stackoverflow)
AT197192B (enrdf_load_stackoverflow)
AT195822B (enrdf_load_stackoverflow)
AT195750B (enrdf_load_stackoverflow)
AT195552B (enrdf_load_stackoverflow)
FR1052236A (enrdf_load_stackoverflow)
AT195335B (enrdf_load_stackoverflow)
AT195221B (enrdf_load_stackoverflow)
AT197727B (enrdf_load_stackoverflow)
AT180229B (enrdf_load_stackoverflow)
AT194954B (enrdf_load_stackoverflow)