EP0782117A1 - Réseau sans fil pour commander différents appareils ménagers - Google Patents

Réseau sans fil pour commander différents appareils ménagers Download PDF

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Publication number
EP0782117A1
EP0782117A1 EP96306741A EP96306741A EP0782117A1 EP 0782117 A1 EP0782117 A1 EP 0782117A1 EP 96306741 A EP96306741 A EP 96306741A EP 96306741 A EP96306741 A EP 96306741A EP 0782117 A1 EP0782117 A1 EP 0782117A1
Authority
EP
European Patent Office
Prior art keywords
units
household
network manager
transceiver
network
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.)
Withdrawn
Application number
EP96306741A
Other languages
German (de)
English (en)
Inventor
Michael D. Rostoker
John Daane
Sandeep Jaggi
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.)
LSI Corp
Original Assignee
LSI Logic 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 LSI Logic Corp filed Critical LSI Logic Corp
Publication of EP0782117A1 publication Critical patent/EP0782117A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/50—Receiving or transmitting feedback, e.g. replies, status updates, acknowledgements, from the controlled devices

Definitions

  • the invention relates in general to wireless communication systems and in particular to wireless local area networks.
  • the concept of networking is evolving from wired networks to wireless networks.
  • a signal flows from one device to another across a physical medium such as a copper wire or a fiber optic.
  • a signal flows over the airwaves at a radio frequency.
  • the wireless network eliminates two unbecoming aspects of wired networks: the unsightliness of cables, and the expense of cable installation.
  • the wireless network also allows devices in a wireless network to be untethered and moved about freely.
  • the present invention takes advantage of the untethered devices and adapts a wireless network to control a plurality of household units.
  • the network comprises a plurality of interface units corresponding to the plurality of household units, each interface unit being electrically interfaced to a corresponding household unit; and a plurality of first RF transceivers corresponding to the plurality of interface units, each RF transceiver being in electrical communication with a corresponding interface unit.
  • the network further comprises a second RF transceiver operable to communicate with the plurality of first RF transceivers; and a processor programmed to generate commands for controlling and checking the status of the household units.
  • the commands are transmitted to the plurality of interface units by the second transceiver.
  • the interface units configure their corresponding household units in response to the commands.
  • FIG.1 shows a local area network 10 including a network manager 12 and a number of household units 14 such as appliances and consumer electronics.
  • Each household unit 14 is equipped with a communication device 16 for communicating with the network manager 12 over the airwaves at radio frequencies.
  • the network manager 12 sends status and command frames to the household units 14.
  • the network manager 12 transmits status frames for the purpose of assessing the functional status of the household Kits 14.
  • the network manager 12 transmits command frames for the purpose of programming a particular household unit 14.
  • the household units 14 On an uplink frequency, the household units 14 transmit bursts to the network manager 12 in response to the status and command frames. The bursts indicate the functional status of the household units 14.
  • Each communication device 16 includes a first transceiver 18 and device driver 20.
  • the first transceiver 18 receives a frame on the downlink frequency and supplies the received frame to the device driver 20.
  • the first transceiver 18 can be a simple ASIC that has low input power, usually on the order of several milliwatts. The range varies, typically up to a few hundred feet.
  • the device driver 20 is a programmable logic device that is adapted to accept data from the electronics of the household unit 14. Both the first transceiver 18 and the device driver 20 draw current from the household unit's power supply. Operation of the communication device 16 is described below in connection with FIG. 2.
  • the network manager 12 includes a personal computer 22 having a microprocessor 24, a storage device such as a hard disk drive 26, a display 28 and a keyboard 30.
  • the network manager 12 also includes an expansion board 32.
  • the expansion board 32 is electrically connected to the microprocessor 24 and includes a second transceiver 34 that communicates with all of the first transceivers 18 of the communication devices 16.
  • the expansion board 32 also includes a device driver 36 that interfaces the second transceiver 34 with the microprocessor 24.
  • the household units 14 include a television set, a VCR, a water heater, a thermostat for the air conditioner, a security system, and an oven.
  • the network manager 12 transmits a status frame to check the functionality of the units 14. The frame is received simultaneously by the television set, VCR, water heater, thermostat, security system, and oven.
  • the television set, oven and security system respond with bursts indicating whether they are turned on or off.
  • the water heater and thermostat respond with bursts indicating the temperatures at which they are set.
  • the VCR responds with a burst indicating the time and programs it is set to record.
  • the network manager 12 which stores the desired settings for the household units 14, compares the status contained in each burst to the desired setting. If the television is turned on, but the desired setting indicates that it should be turned off, the network manager 12 transmits a command frame to the television set, commanding it to turn off. If the temperature of the room is cooler than it should be, the network manager sends another frame commanding the thermostat to turn off the air conditioner. If the VCR is programmed to record "The Simpsons", the network manager 12 sends yet another command frame commanding the VCR to turn off.
  • FIG. 2 shows the steps performed by a communication device 16 for a household unit 14.
  • the first transceiver 18 receives a frame (step 102), and the device driver 20 separates the frame into a header portion and a data portion (step 104).
  • the header portion indicates which household unit 14 the frame is intended for. If the address in the header portion matches the address of the household unit 14 (step 106), the device driver 20 processes the data portion (step 108). If the data portion indicates that the frame is a status frame (step 110), the device driver 20 generates a burst indicating source and status (e.g., thermostat and room temperature setting) (step 112), and commands the first transceiver 18 to send the burst on the uplink frequency (step 114).
  • a burst indicating source and status e.g., thermostat and room temperature setting
  • the device driver 20 sets the household unit 14 to the setting stored in the data portion (step 116), generates a burst indicating the source and the new status of the household unit 14 (step 118) and commands the first transceiver 18 to send the burst on the uplink frequency (step 114).
  • FIG. 3 shows the steps performed by the network manager 12.
  • the network manager 12 executes an application program stored on the hard disk drive 26.
  • a menu is displayed on the display 28 (step 202).
  • the menu specifies certain states, such as "AT HOME,” “ASLEEP” and “ON VACATION.”
  • the menu also specifies the settings at the various states for the household units 14. Each state has its own default settings. The default settings can also be stored on the computer hard drive 26.
  • the user selects the state and reviews the settings that are displayed. If the user wishes to change the settings (step 204), an input is made via the keyboard 30. The new setting is received (step 206) and the settings on the menu are updated (step 202). Once satisfied with the settings, the user can either exit the program (steps 208 and 210) or allow the network manager 12 to control the household units 14. When the network manager 12 begins control, it sends a status frame to the household units 14 (step 212) and awaits the return bursts (step 216).
  • each status therein is compared to a desired setting (step 220). For each household unit 14, if the status indicated in the burst matches the desired setting (step 222), the network manager 12 waits an interval and then sends the next status frame (step 224).
  • the network manager 12 sends a command frame commanding the household unit 14 to change its setting (step 226). After the command frame is transmitted, the network manager 12 awaits a return burst indicating the new status of the unit 14 (step 228).
  • the network manager 12 can be connected to a wide area network.
  • the wide area network provides access to other local area networks within a neighbourhood. It also provides a connection to the local police station.
  • the network manager 12 can call the police station if the security system indicates an unauthorized entry through a window or door. Certainty of a break-in is increased if a household unit 14 does not respond to a status frame.
  • the household units 14 can be checked for status and they can be programmed remotely. Additionally, all of the units 14 in the household can be programmed conveniently from a single source.
  • the network 10 can also function as a home security system, providing a high level of security and reliability.
  • the network 10 can be used to control various units in an office complex as well as in a home. Therefore, the scope of the present invention is limited only by the appended claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
EP96306741A 1995-12-29 1996-09-17 Réseau sans fil pour commander différents appareils ménagers Withdrawn EP0782117A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58113095A 1995-12-29 1995-12-29
US581130 1995-12-29

Publications (1)

Publication Number Publication Date
EP0782117A1 true EP0782117A1 (fr) 1997-07-02

Family

ID=24324001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96306741A Withdrawn EP0782117A1 (fr) 1995-12-29 1996-09-17 Réseau sans fil pour commander différents appareils ménagers

Country Status (2)

Country Link
EP (1) EP0782117A1 (fr)
JP (1) JPH09200229A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020811A1 (fr) * 1998-10-05 2000-04-13 Jukka Penttinen Procede et dispositif pour le traitement de rations alimentaires
GB2345368A (en) * 1998-12-31 2000-07-05 Nokia Mobile Phones Ltd Portable controller
EP1114604A2 (fr) 1999-12-30 2001-07-11 Euro-Tech AS Dispositif détecteur et avertisseur ou indicateur de contenu dans un conteneur, en particulier dans une boíte aux lettres
US6856236B2 (en) 2000-04-10 2005-02-15 Ensys A/S RF home automation system comprising nodes with dual functionality
US6879806B2 (en) 2001-06-01 2005-04-12 Zensys A/S System and a method for building routing tables and for routing signals in an automation system
US6956461B2 (en) * 2000-12-13 2005-10-18 Lg Electronics Inc. Apparatus and method for remotely controlling household appliances
CN100433668C (zh) * 2002-08-19 2008-11-12 乐金电子(天津)电器有限公司 在家庭网络中确定网络管理器的方法
ES2320290A1 (es) * 2006-03-09 2009-05-20 Universidad De Cordoba Sistema de control remoto para personas con discapacidad.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538143B (zh) * 2012-02-06 2014-02-26 美的集团股份有限公司 语音智能搜索引擎空调系统及其控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256515A (en) * 1991-06-06 1992-12-09 * Norm Pacific Automation Corporation Interactive remote control

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256515A (en) * 1991-06-06 1992-12-09 * Norm Pacific Automation Corporation Interactive remote control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NAPOLITANO J: "WIRELESS EMERGENCY LIGHTING/PUBLIC ANNOUNCEMENT SYSTEM:", MOTOROLA TECHNICAL DEVELOPMENTS, vol. 21, 1 February 1994 (1994-02-01), SCHAUMBURG,US, pages 11, XP000438077 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020811A1 (fr) * 1998-10-05 2000-04-13 Jukka Penttinen Procede et dispositif pour le traitement de rations alimentaires
GB2345368A (en) * 1998-12-31 2000-07-05 Nokia Mobile Phones Ltd Portable controller
GB2345368B (en) * 1998-12-31 2003-05-14 Nokia Mobile Phones Ltd A portable controller
US7135958B1 (en) 1998-12-31 2006-11-14 Nokia Corporation Portable controller
EP1114604A2 (fr) 1999-12-30 2001-07-11 Euro-Tech AS Dispositif détecteur et avertisseur ou indicateur de contenu dans un conteneur, en particulier dans une boíte aux lettres
US6856236B2 (en) 2000-04-10 2005-02-15 Ensys A/S RF home automation system comprising nodes with dual functionality
US6980080B2 (en) 2000-04-10 2005-12-27 Zensys A/S RF home automation system with replicable controllers
US6956461B2 (en) * 2000-12-13 2005-10-18 Lg Electronics Inc. Apparatus and method for remotely controlling household appliances
US7809786B2 (en) 2000-12-13 2010-10-05 Lg Electronics Inc. Apparatus and method for remotely controlling household appliances
US6879806B2 (en) 2001-06-01 2005-04-12 Zensys A/S System and a method for building routing tables and for routing signals in an automation system
CN100433668C (zh) * 2002-08-19 2008-11-12 乐金电子(天津)电器有限公司 在家庭网络中确定网络管理器的方法
ES2320290A1 (es) * 2006-03-09 2009-05-20 Universidad De Cordoba Sistema de control remoto para personas con discapacidad.

Also Published As

Publication number Publication date
JPH09200229A (ja) 1997-07-31

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