IT1143430B - Sistema di comunicazioni e di sicurezza ad ultrasuoni - Google Patents

Sistema di comunicazioni e di sicurezza ad ultrasuoni

Info

Publication number
IT1143430B
IT1143430B IT49199/81A IT4919981A IT1143430B IT 1143430 B IT1143430 B IT 1143430B IT 49199/81 A IT49199/81 A IT 49199/81A IT 4919981 A IT4919981 A IT 4919981A IT 1143430 B IT1143430 B IT 1143430B
Authority
IT
Italy
Prior art keywords
security system
ultrasonic communication
ultrasonic
communication
security
Prior art date
Application number
IT49199/81A
Other languages
English (en)
Other versions
IT8149199A0 (it
Inventor
Kenneth R Hackett
Original Assignee
Ultrak 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
Priority claimed from US06/182,497 external-priority patent/US4367458A/en
Application filed by Ultrak Inc filed Critical Ultrak Inc
Publication of IT8149199A0 publication Critical patent/IT8149199A0/it
Application granted granted Critical
Publication of IT1143430B publication Critical patent/IT1143430B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/003—Address allocation methods and details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/007—Wireless interrogation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
IT49199/81A 1980-08-29 1981-08-28 Sistema di comunicazioni e di sicurezza ad ultrasuoni IT1143430B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/182,497 US4367458A (en) 1980-08-29 1980-08-29 Supervised wireless security system
US28202981A 1981-07-09 1981-07-09

Publications (2)

Publication Number Publication Date
IT8149199A0 IT8149199A0 (it) 1981-08-28
IT1143430B true IT1143430B (it) 1986-10-22

Family

ID=26878134

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49199/81A IT1143430B (it) 1980-08-29 1981-08-28 Sistema di comunicazioni e di sicurezza ad ultrasuoni

Country Status (7)

Country Link
EP (1) EP0058721A4 (it)
JP (1) JPS57501358A (it)
KR (1) KR830006753A (it)
CA (1) CA1171514A (it)
IT (1) IT1143430B (it)
MX (1) MX151041A (it)
WO (1) WO1982000910A1 (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125387B1 (de) * 1983-04-29 1987-01-14 Cerberus Ag Verfahren und Einrichtung zur Gefahrenmeldung
EP0253156A1 (de) * 1986-06-25 1988-01-20 Siemens Aktiengesellschaft Einbruchmeldeanlage
JP3100716B2 (ja) * 1991-01-04 2000-10-23 シーエスアイアール 識別装置
NZ250219A (en) * 1992-11-18 1997-05-26 Csir Identification of multiple transponders
KR101027540B1 (ko) * 2009-09-23 2011-04-12 한국해양연구원 초음파를 이용한 선박의 선체 통신망 및 그 통신방법
US9351654B2 (en) 2010-06-08 2016-05-31 Alivecor, Inc. Two electrode apparatus and methods for twelve lead ECG
US8509882B2 (en) 2010-06-08 2013-08-13 Alivecor, Inc. Heart monitoring system usable with a smartphone or computer
WO2012128403A1 (ko) * 2011-03-23 2012-09-27 제주대학교산학협력단 초음파를 이용한 선박의 선체 통신망 및 그 통신방법
US8403218B1 (en) * 2012-02-10 2013-03-26 Symbol Technologies, Inc. Method and apparatus for ultrasonic data transmission and locationing
WO2014036436A1 (en) 2012-08-30 2014-03-06 Alivecor, Inc. Cardiac performance monitoring system for use with mobile communications devices
US9254095B2 (en) 2012-11-08 2016-02-09 Alivecor Electrocardiogram signal detection
US9220430B2 (en) 2013-01-07 2015-12-29 Alivecor, Inc. Methods and systems for electrode placement
US9254092B2 (en) 2013-03-15 2016-02-09 Alivecor, Inc. Systems and methods for processing and analyzing medical data
US9247911B2 (en) 2013-07-10 2016-02-02 Alivecor, Inc. Devices and methods for real-time denoising of electrocardiograms
US9420956B2 (en) 2013-12-12 2016-08-23 Alivecor, Inc. Methods and systems for arrhythmia tracking and scoring
ES2820923T3 (es) 2015-05-13 2021-04-22 Alivecor Inc Monitorización de discordancias
CN114944876A (zh) * 2021-02-10 2022-08-26 北京小米移动软件有限公司 超声波处理方法、装置、设备及存储介质
CN115862306B (zh) * 2022-10-21 2024-05-17 广州视声智能科技有限公司 基于超声波的智能控制设备控制方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422397A (en) * 1968-01-29 1969-01-14 Honeywell Inc Control apparatus
US3696384A (en) * 1971-07-08 1972-10-03 Recognition Devices Ultrasonic tracking and locating system
US3737858A (en) * 1971-07-13 1973-06-05 Advanced Research Corp Versatile telemetering system
US3815093A (en) * 1973-05-11 1974-06-04 Afa Syst Inc Signaling system utilizing frequency burst duration and absence for control functions
US3927404A (en) * 1973-10-18 1975-12-16 Standard Electric Time Corp Time division multiple access communication system for status monitoring
US3946315A (en) * 1975-06-27 1976-03-23 Hughes Aircraft Company Single frequency signalling in a radiotelephone communication system with idle condition signal generator at one terminal activated by another terminal
FR2368766A1 (fr) * 1976-10-19 1978-05-19 Automatisme Cie Gle Systeme de transmission d'alarme a partir d'un detecteur
DE2712690C2 (de) * 1977-03-23 1986-06-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur drahtlosen Übermittlung eines kodierten Notrufes
US4160246A (en) * 1977-10-03 1979-07-03 Fairchild Camera And Instrument Corp. Wireless multi-head smoke detector system
CA1116284A (en) * 1979-10-09 1982-01-12 George S. Sagi Apparatus and system for wireless reception and transmission of coded audio and/or sonic alarm signals
DE3000958C2 (de) * 1980-01-12 1984-04-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Hausnotrufsystem mit Fernauslösung

Also Published As

Publication number Publication date
MX151041A (es) 1984-09-17
CA1171514A (en) 1984-07-24
IT8149199A0 (it) 1981-08-28
KR830006753A (ko) 1983-10-06
EP0058721A1 (en) 1982-09-01
EP0058721A4 (en) 1985-07-01
WO1982000910A1 (en) 1982-03-18
JPS57501358A (it) 1982-07-29

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