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AU588933B2 - Improvements in transducers - Google Patents
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AU588933B2 - Improvements in transducers - Google Patents

Improvements in transducers

Info

Publication number
AU588933B2
AU588933B2 AU64894/86A AU6489486A AU588933B2 AU 588933 B2 AU588933 B2 AU 588933B2 AU 64894/86 A AU64894/86 A AU 64894/86A AU 6489486 A AU6489486 A AU 6489486A AU 588933 B2 AU588933 B2 AU 588933B2
Authority
AU
Australia
Prior art keywords
transducers
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.)
Ceased
Application number
AU64894/86A
Other versions
AU6489486A (en
Inventor
Paul Henderson
Larry James
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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 Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU64894/86A priority Critical patent/AU588933B2/en
Publication of AU6489486A publication Critical patent/AU6489486A/en
Application granted granted Critical
Publication of AU588933B2 publication Critical patent/AU588933B2/en
Assigned to ALCATEL AUSTRALIA LIMITED reassignment ALCATEL AUSTRALIA LIMITED Request to Amend Deed and Register Assignors: STANDARD TELEPHONES AND CABLES PTY. LIMITED
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
AU64894/86A 1985-12-10 1986-11-06 Improvements in transducers Ceased AU588933B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64894/86A AU588933B2 (en) 1985-12-10 1986-11-06 Improvements in transducers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH3800 1985-12-10
AUPH380085 1985-12-10
AU64894/86A AU588933B2 (en) 1985-12-10 1986-11-06 Improvements in transducers

Publications (2)

Publication Number Publication Date
AU6489486A AU6489486A (en) 1987-06-11
AU588933B2 true AU588933B2 (en) 1989-09-28

Family

ID=25634554

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64894/86A Ceased AU588933B2 (en) 1985-12-10 1986-11-06 Improvements in transducers

Country Status (1)

Country Link
AU (1) AU588933B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587667B2 (en) * 1986-12-04 1989-08-24 Exicons Australia Pty. Ltd. Transducer mount
WO1998005149A1 (en) * 1996-07-25 1998-02-05 Astralink Technology Pte Ltd. Space-constrained housing for telephone receiver unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5584180A (en) * 1976-09-21 1980-06-26 International Standard Electric Corp. Electro-acoustic transducer
AU5584380A (en) * 1976-09-21 1980-06-26 International Standard Electric Corp. Electro-acoustic transducer
AU6790481A (en) * 1980-02-29 1981-09-03 Siemens Aktiengesellschaft Electro-acoustic transducer with responanc peak attenuator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5584180A (en) * 1976-09-21 1980-06-26 International Standard Electric Corp. Electro-acoustic transducer
AU5584380A (en) * 1976-09-21 1980-06-26 International Standard Electric Corp. Electro-acoustic transducer
AU6790481A (en) * 1980-02-29 1981-09-03 Siemens Aktiengesellschaft Electro-acoustic transducer with responanc peak attenuator

Also Published As

Publication number Publication date
AU6489486A (en) 1987-06-11

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