PT68664A - Telephone transducer assembly and process of making same - Google Patents

Telephone transducer assembly and process of making same

Info

Publication number
PT68664A
PT68664A PT68664A PT6866478A PT68664A PT 68664 A PT68664 A PT 68664A PT 68664 A PT68664 A PT 68664A PT 6866478 A PT6866478 A PT 6866478A PT 68664 A PT68664 A PT 68664A
Authority
PT
Portugal
Prior art keywords
transducer assembly
making same
telephone transducer
telephone
making
Prior art date
Application number
PT68664A
Other languages
English (en)
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of PT68664A publication Critical patent/PT68664A/pt

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection 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)
PT68664A 1977-10-20 1978-10-17 Telephone transducer assembly and process of making same PT68664A (en)

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 (1)

Publication Number Publication Date
PT68664A true PT68664A (en) 1978-11-01

Family

ID=27126455

Family Applications (1)

Application Number Title Priority Date Filing Date
PT68664A PT68664A (en) 1977-10-20 1978-10-17 Telephone transducer assembly and process of making same

Country Status (12)

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

Family Cites Families (1)

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

Also Published As

Publication number Publication date
NL7810464A (nl) 1979-04-24
IT1099746B (it) 1985-09-28
BE871399A (nl) 1979-04-20
MX145282A (es) 1982-01-20
NZ188681A (en) 1983-07-15
AR215527A1 (es) 1979-10-15
AU4062778A (en) 1980-04-17
ES474377A1 (es) 1979-04-16
BR7807530A (pt) 1979-07-31
JPS582518B2 (ja) 1983-01-17
CA1122694A (en) 1982-04-27
AU520337B2 (en) 1982-01-28
IT7828793A0 (it) 1978-10-16
JPS5470704A (en) 1979-06-06

Similar Documents

Publication Publication Date Title
JPS5520086A (en) Transducer device and method of manufacturing same
GB2023375B (en) Loudspeakers and methods of making loudspeakers
DE2861459D1 (en) Electret transducer and method of making an electret transducer
JPS5429388A (en) Method of making homoo and coopolymer of ethylene
JPS5421597A (en) Piezoelectric material and method of making same
JPS5464589A (en) Novolakkbased resin and method of making same
JPS5460385A (en) Hydroxyethyl starch and method of making same
JPS549125A (en) Assembled member having support and diaphragm and method of making same
JPS5448754A (en) Manufacture of halogenovinyllsubstituted tetrahydrofurann22on and novel halogenovinyll substituted tetrahydrofurann22on
JPS5461120A (en) Manufacture of alkylthiosulfate and alkylidenethiosulfate
JPS5433523A (en) Cementtbased structure and method of making same
JPS549154A (en) Forgeddjoint and method of forming same
JPS53121601A (en) Method of connecting audio units
JPS5461137A (en) Manufacture of benzoylhalide and halosulfonylbenzoylhalide
PT68664A (en) Telephone transducer assembly and process of making same
GB2003421B (en) Mould assembly and method of making the same
JPS549201A (en) Antienzyme kmm2753 and method of making same
JPS5478334A (en) Corrosionnresistant linkkchain and method of making same
JPS53137098A (en) Method of making metallbetaaalumina and application thereof
IL54920A0 (en) Novel polypeptides and method of making same
JPS5464586A (en) Photoocrosslinkable polymer and method of making same
JPS53104623A (en) Construction member and method of making same
GB2011760B (en) Electret transducer backplate electret transducer and method of making an electret transducer
JPS53120040A (en) Diaphragm and manufacturing method thereof
JPS5430489A (en) Waterrproof connector and method of making same