BR0101645A - Sistema de alto-falante endereçável - Google Patents

Sistema de alto-falante endereçável

Info

Publication number
BR0101645A
BR0101645A BR0101645-8A BR0101645A BR0101645A BR 0101645 A BR0101645 A BR 0101645A BR 0101645 A BR0101645 A BR 0101645A BR 0101645 A BR0101645 A BR 0101645A
Authority
BR
Brazil
Prior art keywords
radio frequency
speaker system
addressable
frequency identification
addressable speaker
Prior art date
Application number
BR0101645-8A
Other languages
English (en)
Inventor
Sandor A Frecska
Original Assignee
Armstrong World Ind Inc
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 Armstrong World Ind Inc filed Critical Armstrong World Ind Inc
Publication of BR0101645A publication Critical patent/BR0101645A/pt

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1083—Pager locating systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/005—Audio distribution systems for home, i.e. multi-room use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Near-Field Transmission Systems (AREA)
  • Alarm Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

"SISTEMA DE ALTO-FALANTE ENDEREçáVEL". Um sistema de alto-falante endeçável, no qual uma pluralidade de alto-falantes seletivamente ativados é distribuída por toda uma área pré-definida e é conectada a uma unidade de processamento central. O sistema contém múltiplas antenas de RF, que são capazes de difundir e receber sinais de freq³ência de rádio para indivíduos portando crachás de identificação de freq³ência de rádio (RFID). O sistema usa a transmissão de RF para localizar um crachá pretendido de identificação de freq³ência de rádio, e seletivamente difunde uma mensagem de áudio para um alto-falante localizado mais próximo do destinatário pretendido.
BR0101645-8A 2000-06-23 2001-04-30 Sistema de alto-falante endereçável BR0101645A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/603,297 US6329908B1 (en) 2000-06-23 2000-06-23 Addressable speaker system

Publications (1)

Publication Number Publication Date
BR0101645A true BR0101645A (pt) 2002-04-23

Family

ID=24414831

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0101645-8A BR0101645A (pt) 2000-06-23 2001-04-30 Sistema de alto-falante endereçável

Country Status (11)

Country Link
US (1) US6329908B1 (pt)
EP (1) EP1168885A2 (pt)
JP (1) JP2002044792A (pt)
KR (1) KR20020000626A (pt)
AR (1) AR028976A1 (pt)
AU (1) AU5198601A (pt)
BR (1) BR0101645A (pt)
CA (1) CA2345187A1 (pt)
MX (1) MXPA01006426A (pt)
NZ (1) NZ511178A (pt)
TW (1) TW576068B (pt)

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