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GB314250A - Improvements in or relating to gramophones and other sound reproducing devices - Google Patents

Improvements in or relating to gramophones and other sound reproducing devices

Info

Publication number
GB314250A
GB314250A GB2196528A GB2196528A GB314250A GB 314250 A GB314250 A GB 314250A GB 2196528 A GB2196528 A GB 2196528A GB 2196528 A GB2196528 A GB 2196528A GB 314250 A GB314250 A GB 314250A
Authority
GB
United Kingdom
Prior art keywords
gramophones
relating
sound reproducing
reproducing devices
arm
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
GB2196528A
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 GB2196528A priority Critical patent/GB314250A/en
Publication of GB314250A publication Critical patent/GB314250A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Toys (AREA)

Abstract

314,250. Hill, A. E. July 28, 1928. Tone-arms or horns may be provided with a U-shaped portion c, d, having one arm c fitting telescopically within an outer section b and the other arm d fitting over an inner section e, the portion c, d, being adjustable during use by means of a knob m engaging a screw-threaded rod g, in order to vary the effective length of the sound conduit. The knob carries a dial p co-operating with a fixed pointer q.
GB2196528A 1928-07-28 1928-07-28 Improvements in or relating to gramophones and other sound reproducing devices Expired GB314250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2196528A GB314250A (en) 1928-07-28 1928-07-28 Improvements in or relating to gramophones and other sound reproducing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2196528A GB314250A (en) 1928-07-28 1928-07-28 Improvements in or relating to gramophones and other sound reproducing devices

Publications (1)

Publication Number Publication Date
GB314250A true GB314250A (en) 1929-06-27

Family

ID=10171735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2196528A Expired GB314250A (en) 1928-07-28 1928-07-28 Improvements in or relating to gramophones and other sound reproducing devices

Country Status (1)

Country Link
GB (1) GB314250A (en)

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