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GB306268A - Loud speaker apparatus for wireless telephony - Google Patents

Loud speaker apparatus for wireless telephony

Info

Publication number
GB306268A
GB306268A GB366928A GB366928A GB306268A GB 306268 A GB306268 A GB 306268A GB 366928 A GB366928 A GB 366928A GB 366928 A GB366928 A GB 366928A GB 306268 A GB306268 A GB 306268A
Authority
GB
United Kingdom
Prior art keywords
loud speaker
vase
speaker apparatus
wireless telephony
parchment
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
GB366928A
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 GB366928A priority Critical patent/GB306268A/en
Publication of GB306268A publication Critical patent/GB306268A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

306,268. Bryan, W. Feb. 6, 1928. Flower vases.-One side 5 of a vase-shaped body acts as a diaphragm of a loud speaker, the operating mechanism of which is carried on the back 4 of the vase. The vase may be made of earthenware, wood or parchment attached to a wire or other frame and the neck of the vase may be employed to hold flowers &c.
GB366928A 1928-02-06 1928-02-06 Loud speaker apparatus for wireless telephony Expired GB306268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB366928A GB306268A (en) 1928-02-06 1928-02-06 Loud speaker apparatus for wireless telephony

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB366928A GB306268A (en) 1928-02-06 1928-02-06 Loud speaker apparatus for wireless telephony

Publications (1)

Publication Number Publication Date
GB306268A true GB306268A (en) 1929-02-21

Family

ID=9762700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB366928A Expired GB306268A (en) 1928-02-06 1928-02-06 Loud speaker apparatus for wireless telephony

Country Status (1)

Country Link
GB (1) GB306268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032011A2 (en) * 1998-11-23 2000-06-02 Sound Advance Systems, Inc. Loudspeaker with statuary-like diaphragm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032011A2 (en) * 1998-11-23 2000-06-02 Sound Advance Systems, Inc. Loudspeaker with statuary-like diaphragm
WO2000032011A3 (en) * 1998-11-23 2000-11-16 Sound Advance Syst Inc Loudspeaker with statuary-like diaphragm

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