AR002115A1 - Un metodo para interrogar a una pluralidad de dispositivos interconectados. - Google Patents

Un metodo para interrogar a una pluralidad de dispositivos interconectados.

Info

Publication number
AR002115A1
AR002115A1 ARP960102745A AR10274596A AR002115A1 AR 002115 A1 AR002115 A1 AR 002115A1 AR P960102745 A ARP960102745 A AR P960102745A AR 10274596 A AR10274596 A AR 10274596A AR 002115 A1 AR002115 A1 AR 002115A1
Authority
AR
Argentina
Prior art keywords
devices
network
interrogation
messages
local area
Prior art date
Application number
ARP960102745A
Other languages
English (en)
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of AR002115A1 publication Critical patent/AR002115A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H04L12/4035—Bus networks with centralised control, e.g. polling in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Alarm Systems (AREA)

Abstract

Un método para interrogar a una pluralidad de dispositivos interconectados, en donde una red de datos de área local interconecta dispositivos que formanuna disposición de vigilancia por video. Los dispositivos conectados a la red de área localestá n divididos en diferentes clases que son interrogadas condiferentes grados de frecuencia. Los dispositivos son reasignados dinámicamente de clase a clase con dependencia de los requisitos de corrientesde cada dispositivo paraacceso a l a red. También se emplea interrogación grupal con resolución de contención por medio de un algoritmo de sondeo. Lasrespuestas negativas a los mensajes de interrogación se forman como una serie de transiciones de línea querequieren menos tiem po que la transmisión de unsólo byte de datos. Los mensajes de interrogación tienen una longitud distintiva en términos de bytes que es más corta que cualquier otro mensajetransmitido en la red. Los dispositivosinterrogados pueden transfer ir datos directamente a los dispositivos observadores en respuesta a los mensajes deinterrogación.
ARP960102745A 1995-05-26 1996-05-27 Un metodo para interrogar a una pluralidad de dispositivos interconectados. AR002115A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/451,862 US5659787A (en) 1995-05-26 1995-05-26 Data communication network with highly efficient polling procedure

Publications (1)

Publication Number Publication Date
AR002115A1 true AR002115A1 (es) 1998-01-07

Family

ID=23794017

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP960102745A AR002115A1 (es) 1995-05-26 1996-05-27 Un metodo para interrogar a una pluralidad de dispositivos interconectados.

Country Status (10)

Country Link
US (1) US5659787A (es)
EP (1) EP0832454B1 (es)
JP (2) JP3767904B2 (es)
CN (1) CN1086237C (es)
AR (1) AR002115A1 (es)
BR (1) BR9608735A (es)
CA (1) CA2219333C (es)
DE (1) DE69637469T2 (es)
ES (1) ES2304788T3 (es)
WO (1) WO1996037835A1 (es)

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US6785280B1 (en) * 1998-12-23 2004-08-31 Ericsson Inc. Mechanism and method dynamically allocating ATM connections between exchanges
US8161193B1 (en) * 1999-12-08 2012-04-17 Rockstar Bidco Lp System, device, and method for sending keep-alive messages in a communication network
US7009992B2 (en) * 2000-05-19 2006-03-07 Scientific-Atlanta, Inc. Methods of allocating access across a shared communications medium
US7499453B2 (en) * 2000-05-19 2009-03-03 Cisco Technology, Inc. Apparatus and methods for incorporating bandwidth forecasting and dynamic bandwidth allocation into a broadband communication system
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US6850025B1 (en) 2000-06-30 2005-02-01 Sensormatic Electronics Corporation Integrated enclosure and controller for video surveillance camera
US6977927B1 (en) 2000-09-18 2005-12-20 Hewlett-Packard Development Company, L.P. Method and system of allocating storage resources in a storage area network
US6804819B1 (en) 2000-09-18 2004-10-12 Hewlett-Packard Development Company, L.P. Method, system, and computer program product for a data propagation platform and applications of same
US7386610B1 (en) 2000-09-18 2008-06-10 Hewlett-Packard Development Company, L.P. Internet protocol data mirroring
US7254638B2 (en) * 2000-12-15 2007-08-07 International Business Machines Corporation Method and apparatus for identifying slow links and for providing application-based responses to slow links in a distributed computer network
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US7239888B2 (en) * 2003-03-20 2007-07-03 Texas Instruments Incorporated Wireless network with multi-device class communication capability
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US8121595B2 (en) * 2004-06-02 2012-02-21 Intel Corporation Adaptive polling of wireless devices
CN100401709C (zh) * 2004-12-17 2008-07-09 中兴通讯股份有限公司 基于固定服务质量保证策略的无线局域网分群轮询方法
GB2422061A (en) * 2005-01-06 2006-07-12 Amg Systems Ltd CCTV optical packet data transmission system
CN100442705C (zh) * 2005-06-09 2008-12-10 华为技术有限公司 网络管理***对通信设备进行轮询的方法
WO2007147171A2 (en) * 2006-06-16 2007-12-21 Verificon Corporation Scalable clustered camera system and method for multiple object tracking
US8654638B2 (en) * 2006-12-19 2014-02-18 Marcin Godlewski Dynamically adjusting bandwidth usage among subscriber streams
US8116337B2 (en) * 2007-07-27 2012-02-14 Marcin Godlewski Bandwidth requests transmitted according to priority in a centrally managed network
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JP5346513B2 (ja) * 2008-07-22 2013-11-20 京楽産業．株式会社 ポーリング通信システム
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CN102316492B (zh) * 2010-07-01 2014-12-17 中国电信股份有限公司 网络无缝切换的方法及***
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CN103235570A (zh) * 2013-04-03 2013-08-07 北京三博中自科技有限公司 分布式生产设备监控信息通讯***
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Also Published As

Publication number Publication date
CA2219333C (en) 2008-07-29
MX9708878A (es) 1998-03-31
AU5754196A (en) 1996-12-11
EP0832454A4 (en) 2005-05-11
AU711109B2 (en) 1999-10-07
JP3767904B2 (ja) 2006-04-19
JPH11505986A (ja) 1999-05-25
BR9608735A (pt) 1999-07-06
DE69637469D1 (de) 2008-05-08
ES2304788T3 (es) 2008-10-16
JP2006094553A (ja) 2006-04-06
US5659787A (en) 1997-08-19
CN1185846A (zh) 1998-06-24
WO1996037835A1 (en) 1996-11-28
EP0832454A1 (en) 1998-04-01
CN1086237C (zh) 2002-06-12
EP0832454B1 (en) 2008-03-26
DE69637469T2 (de) 2009-04-16
CA2219333A1 (en) 1996-11-28

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