GB650808A - Improvements in electrical sound reproducing apparatus - Google Patents

Improvements in electrical sound reproducing apparatus

Info

Publication number
GB650808A
GB650808A GB3081549A GB3081549A GB650808A GB 650808 A GB650808 A GB 650808A GB 3081549 A GB3081549 A GB 3081549A GB 3081549 A GB3081549 A GB 3081549A GB 650808 A GB650808 A GB 650808A
Authority
GB
United Kingdom
Prior art keywords
reproducing apparatus
sound reproducing
electrical sound
strictive
magneto
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
GB3081549A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3081549A priority Critical patent/GB650808A/en
Publication of GB650808A publication Critical patent/GB650808A/en
Expired legal-status Critical Current

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
    • H04R15/00—Magnetostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

650,808. Magneto - - strictive apparatus. SYKES, A. F. Dec. 31, 1947, No. 30815/49. Divided out of 650,769. [Class 40 (iv)] A pair of magneto-strictive rods 10, 10a, arranged as a U or V, apply vibrations tangentially to the curve of a curved diaphragm 95 in a loud-speaker. Specifications 246,099, [Class 40 (iv)], and 650,769 are referred to.
GB3081549A 1947-12-31 1947-12-31 Improvements in electrical sound reproducing apparatus Expired GB650808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3081549A GB650808A (en) 1947-12-31 1947-12-31 Improvements in electrical sound reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3081549A GB650808A (en) 1947-12-31 1947-12-31 Improvements in electrical sound reproducing apparatus

Publications (1)

Publication Number Publication Date
GB650808A true GB650808A (en) 1951-03-07

Family

ID=10313573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3081549A Expired GB650808A (en) 1947-12-31 1947-12-31 Improvements in electrical sound reproducing apparatus

Country Status (1)

Country Link
GB (1) GB650808A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157266B (en) * 1961-01-11 1963-11-14 Sennheiser Electronic Magnetostrictive transducer element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157266B (en) * 1961-01-11 1963-11-14 Sennheiser Electronic Magnetostrictive transducer element

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