PL200716A1 - METHOD OF MANUFACTURING THE CORE AND THE POLE PLATE OF THE MAGNETIC CIRCUIT OF ELECTROACOUSTIC TRANSMITTERS - Google Patents

METHOD OF MANUFACTURING THE CORE AND THE POLE PLATE OF THE MAGNETIC CIRCUIT OF ELECTROACOUSTIC TRANSMITTERS

Info

Publication number
PL200716A1
PL200716A1 PL20071677A PL20071677A PL200716A1 PL 200716 A1 PL200716 A1 PL 200716A1 PL 20071677 A PL20071677 A PL 20071677A PL 20071677 A PL20071677 A PL 20071677A PL 200716 A1 PL200716 A1 PL 200716A1
Authority
PL
Poland
Prior art keywords
electroacoustic
transmitters
core
manufacturing
magnetic circuit
Prior art date
Application number
PL20071677A
Other languages
Polish (pl)
Other versions
PL111377B1 (en
Inventor
Andrzej Wolski
Wieslaw Dzendzera
Original Assignee
Zaklady Wytworcze Glosnikow To
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.)
Filing date
Publication date
Application filed by Zaklady Wytworcze Glosnikow To filed Critical Zaklady Wytworcze Glosnikow To
Priority to PL20071677A priority Critical patent/PL111377B1/en
Priority to DE19782838067 priority patent/DE2838067C3/en
Priority to JP10820578A priority patent/JPS5450868A/en
Publication of PL200716A1 publication Critical patent/PL200716A1/en
Publication of PL111377B1 publication Critical patent/PL111377B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Forging (AREA)
PL20071677A 1977-09-06 1977-09-06 Method for manufacturing electro-acoustic transducer pole shoe as well as magnetic circuit core PL111377B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20071677A PL111377B1 (en) 1977-09-06 1977-09-06 Method for manufacturing electro-acoustic transducer pole shoe as well as magnetic circuit core
DE19782838067 DE2838067C3 (en) 1977-09-06 1978-08-31 Process for the production of the core and the pole plate of a magnetic circuit of sound transducers
JP10820578A JPS5450868A (en) 1977-09-06 1978-09-05 Electroacoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20071677A PL111377B1 (en) 1977-09-06 1977-09-06 Method for manufacturing electro-acoustic transducer pole shoe as well as magnetic circuit core

Publications (2)

Publication Number Publication Date
PL200716A1 true PL200716A1 (en) 1979-04-09
PL111377B1 PL111377B1 (en) 1980-08-30

Family

ID=19984453

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20071677A PL111377B1 (en) 1977-09-06 1977-09-06 Method for manufacturing electro-acoustic transducer pole shoe as well as magnetic circuit core

Country Status (3)

Country Link
JP (1) JPS5450868A (en)
DE (1) DE2838067C3 (en)
PL (1) PL111377B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03142804A (en) * 1989-10-27 1991-06-18 Mitsubishi Electric Corp Magnetic core

Also Published As

Publication number Publication date
DE2838067A1 (en) 1979-03-08
PL111377B1 (en) 1980-08-30
DE2838067C3 (en) 1980-07-24
DE2838067B2 (en) 1979-11-15
JPS5450868A (en) 1979-04-21

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20060210