JPS582518B2 - 電話用変換器 - Google Patents

電話用変換器

Info

Publication number
JPS582518B2
JPS582518B2 JP53128681A JP12868178A JPS582518B2 JP S582518 B2 JPS582518 B2 JP S582518B2 JP 53128681 A JP53128681 A JP 53128681A JP 12868178 A JP12868178 A JP 12868178A JP S582518 B2 JPS582518 B2 JP S582518B2
Authority
JP
Japan
Prior art keywords
cup
shaped
base
shaped container
magnetic pole
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP53128681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5470704A (en
Inventor
ユージン・バーバー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of JPS5470704A publication Critical patent/JPS5470704A/ja
Publication of JPS582518B2 publication Critical patent/JPS582518B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Brushless Motors (AREA)
JP53128681A 1977-10-20 1978-10-20 電話用変換器 Expired JPS582518B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84394277A 1977-10-20 1977-10-20
US89005278A 1978-03-27 1978-03-27

Publications (2)

Publication Number Publication Date
JPS5470704A JPS5470704A (en) 1979-06-06
JPS582518B2 true JPS582518B2 (ja) 1983-01-17

Family

ID=27126455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53128681A Expired JPS582518B2 (ja) 1977-10-20 1978-10-20 電話用変換器

Country Status (12)

Country Link
JP (1) JPS582518B2 (nl)
AR (1) AR215527A1 (nl)
AU (1) AU520337B2 (nl)
BE (1) BE871399A (nl)
BR (1) BR7807530A (nl)
CA (1) CA1122694A (nl)
ES (1) ES474377A1 (nl)
IT (1) IT1099746B (nl)
MX (1) MX145282A (nl)
NL (1) NL7810464A (nl)
NZ (1) NZ188681A (nl)
PT (1) PT68664A (nl)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440839Y2 (nl) * 1975-06-12 1979-11-30

Also Published As

Publication number Publication date
NZ188681A (en) 1983-07-15
PT68664A (en) 1978-11-01
MX145282A (es) 1982-01-20
AU520337B2 (en) 1982-01-28
CA1122694A (en) 1982-04-27
JPS5470704A (en) 1979-06-06
IT1099746B (it) 1985-09-28
AU4062778A (en) 1980-04-17
AR215527A1 (es) 1979-10-15
IT7828793A0 (it) 1978-10-16
ES474377A1 (es) 1979-04-16
BE871399A (nl) 1979-04-20
NL7810464A (nl) 1979-04-24
BR7807530A (pt) 1979-07-31

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