ES8501904A1 - Metodo y sistema para localizar un miembro de una gran poblacion de unidades individuales particularmente transmisores-receptores de bolsillo portado por personas. - Google Patents

Metodo y sistema para localizar un miembro de una gran poblacion de unidades individuales particularmente transmisores-receptores de bolsillo portado por personas.

Info

Publication number
ES8501904A1
ES8501904A1 ES524878A ES524878A ES8501904A1 ES 8501904 A1 ES8501904 A1 ES 8501904A1 ES 524878 A ES524878 A ES 524878A ES 524878 A ES524878 A ES 524878A ES 8501904 A1 ES8501904 A1 ES 8501904A1
Authority
ES
Spain
Prior art keywords
relay stations
signals
central station
relay
radiant energy
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
ES524878A
Other languages
English (en)
Other versions
ES524878A0 (es
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.)
TELOC R AND D Ltd
Original Assignee
TELOC R AND D Ltd
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 TELOC R AND D Ltd filed Critical TELOC R AND D Ltd
Publication of ES524878A0 publication Critical patent/ES524878A0/es
Publication of ES8501904A1 publication Critical patent/ES8501904A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/022—One-way selective calling networks, e.g. wide area paging
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S379/00—Telephonic communications
    • Y10S379/913—Person locator or person-specific

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

METODO Y SISTEMA PARA LOCALIZAR UN MIEMBRO DE UNA GRAN POBLACION DE UNIDADES INDIVIDUALES PARTICULARMENTE TRANSMISORES-RECEPTORES DE BOLSILLO PORTADOS POR PERSONAS.CONSISTE EN: 1) UNA ESTACION CENTRAL ESTABLECE UN CANAL DE COMUNICACION BIDIRECCIONAL CON UNA O MAS ESTACIONES RELE, LAS CUALES ESTAN DIVIDIDAS EN GRUPOS DE TAL FORMA QUE CADA ESTACION RELE DE UN GRUPO CUBRE UN AREA DISTINTA DE LAS RESTANTES ESTACIONES RELE DEL MISMO GRUPO, Y ENVIA UN MENSAJE CODIFICADO QUE IDENTIFICA UNA UNIDAD INDIVIDUAL; 2) LAS ESTACIONES RELE TRANSMITEN UNA SEN/AL DE CONSULTA DE ENERGIA INFRARROJA; 3) LA UNIDAD INDIVIDUAL IDENTIFICADA RESPONDE CON UNA SEN/AL DE CONFIRMACION ULTRASONICA DE UNA FRECUENCIA DETERMINADA PARA CADA UNIDAD; 4) LAS ESTACIONES RELE ENVIAN SEN/ALES DE IDENTIFICACION A LA ESTACION CENTRAL; 5) LA ESTACION CENTRAL DETERMINA LA POSICION APROXIMADA DE LA UNIDAD INDIVIDUAL A PARTIR DE LAS SEN/ALES DE IDENTIFICACION.SE UTILIZA PARA DETERMINAR LA POSICION DE UNA PERSONA DENTRO DE UNA INSTALACION (HOSPITAL, AEROPUERTO, ETC.).
ES524878A 1982-08-13 1983-08-11 Metodo y sistema para localizar un miembro de una gran poblacion de unidades individuales particularmente transmisores-receptores de bolsillo portado por personas. Expired ES8501904A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40788382A 1982-08-13 1982-08-13
US06/517,321 US4649385A (en) 1982-08-13 1983-07-26 Electronic locating system for persons receiving telephone calls

Publications (2)

Publication Number Publication Date
ES524878A0 ES524878A0 (es) 1984-12-01
ES8501904A1 true ES8501904A1 (es) 1984-12-01

Family

ID=27020057

Family Applications (1)

Application Number Title Priority Date Filing Date
ES524878A Expired ES8501904A1 (es) 1982-08-13 1983-08-11 Metodo y sistema para localizar un miembro de una gran poblacion de unidades individuales particularmente transmisores-receptores de bolsillo portado por personas.

Country Status (8)

Country Link
US (1) US4649385A (es)
EP (1) EP0118507A4 (es)
JP (1) JPS59501847A (es)
AU (1) AU560599B2 (es)
CA (1) CA1206565A (es)
ES (1) ES8501904A1 (es)
IT (1) IT1169758B (es)
WO (1) WO1984000868A1 (es)

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Also Published As

Publication number Publication date
EP0118507A4 (en) 1985-02-28
IT1169758B (it) 1987-06-03
IT8322506A0 (it) 1983-08-10
WO1984000868A1 (en) 1984-03-01
EP0118507A1 (en) 1984-09-19
CA1206565A (en) 1986-06-24
ES524878A0 (es) 1984-12-01
US4649385A (en) 1987-03-10
AU1889683A (en) 1984-03-07
AU560599B2 (en) 1987-04-09
IT8322506A1 (it) 1985-02-10
JPS59501847A (ja) 1984-11-01

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