ZA74410B - Improvements in or relating to electroacoustic transducers - Google Patents

Improvements in or relating to electroacoustic transducers

Info

Publication number
ZA74410B
ZA74410B ZA740410A ZA74410A ZA74410B ZA 74410 B ZA74410 B ZA 74410B ZA 740410 A ZA740410 A ZA 740410A ZA 74410 A ZA74410 A ZA 74410A ZA 74410 B ZA74410 B ZA 74410B
Authority
ZA
South Africa
Prior art keywords
relating
electroacoustic transducers
electroacoustic
transducers
Prior art date
Application number
ZA740410A
Inventor
Bradshaw L Dymoke
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 ZA74410B publication Critical patent/ZA74410B/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
ZA740410A 1973-03-27 1974-01-21 Improvements in or relating to electroacoustic transducers ZA74410B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1454573A GB1385161A (en) 1973-03-27 1973-03-27 Electro-acoustic transducers

Publications (1)

Publication Number Publication Date
ZA74410B true ZA74410B (en) 1974-11-27

Family

ID=10043157

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA740410A ZA74410B (en) 1973-03-27 1974-01-21 Improvements in or relating to electroacoustic transducers

Country Status (7)

Country Link
US (1) US3919500A (en)
AU (1) AU6687974A (en)
BR (1) BR7402241D0 (en)
ES (1) ES424660A1 (en)
GB (1) GB1385161A (en)
IT (1) IT1009707B (en)
ZA (1) ZA74410B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234336Y (en) 2008-07-18 2009-05-06 比亚迪股份有限公司 Receiver unit
EP2329657A4 (en) * 2008-08-29 2011-10-26 Penn State Res Found Methods and apparatus for reduced distortion balanced armature devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1671105A (en) * 1927-06-23 1928-05-29 Farrand Mfg Co Inc Actuating device for loud speakers
US2276951A (en) * 1939-02-25 1942-03-17 Standard Oil Dev Co Chlorinated polyisobutylene and process of making the same
US2588327A (en) * 1948-01-31 1952-03-04 Dictaphone Corp Recorder head
US3111496A (en) * 1960-11-14 1963-11-19 Us Rubber Co High temperature blowing of rubber and plastics with alkali metal azodicarboxylate
US3334195A (en) * 1964-06-25 1967-08-01 Artnell Company Magnetic speaker construction

Also Published As

Publication number Publication date
AU6687974A (en) 1975-09-25
US3919500A (en) 1975-11-11
GB1385161A (en) 1975-02-26
BR7402241D0 (en) 1974-11-19
IT1009707B (en) 1976-12-20
ES424660A1 (en) 1976-10-16

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