DE3686565D1 - Dauertraeger-ueberwachungsschaltung. - Google Patents

Dauertraeger-ueberwachungsschaltung.

Info

Publication number
DE3686565D1
DE3686565D1 DE8686307266T DE3686565T DE3686565D1 DE 3686565 D1 DE3686565 D1 DE 3686565D1 DE 8686307266 T DE8686307266 T DE 8686307266T DE 3686565 T DE3686565 T DE 3686565T DE 3686565 D1 DE3686565 D1 DE 3686565D1
Authority
DE
Germany
Prior art keywords
monitoring circuit
continuous monitoring
continuous
circuit
monitoring
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 - Fee Related
Application number
DE8686307266T
Other languages
English (en)
Other versions
DE3686565T2 (de
Inventor
John Allan Hammond
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.)
Tektronix Inc
Original Assignee
Tektronix 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 Tektronix Inc filed Critical Tektronix Inc
Publication of DE3686565D1 publication Critical patent/DE3686565D1/de
Application granted granted Critical
Publication of DE3686565T2 publication Critical patent/DE3686565T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • 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]
    • H04L12/2801—Broadband local area networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
DE8686307266T 1985-12-23 1986-09-22 Dauertraeger-ueberwachungsschaltung. Expired - Fee Related DE3686565T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/812,474 US4766601A (en) 1985-12-23 1985-12-23 Constant carrier watchdog

Publications (2)

Publication Number Publication Date
DE3686565D1 true DE3686565D1 (de) 1992-10-01
DE3686565T2 DE3686565T2 (de) 1993-05-06

Family

ID=25209670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686307266T Expired - Fee Related DE3686565T2 (de) 1985-12-23 1986-09-22 Dauertraeger-ueberwachungsschaltung.

Country Status (4)

Country Link
US (1) US4766601A (de)
EP (1) EP0227217B1 (de)
CA (1) CA1258492A (de)
DE (1) DE3686565T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205019A (en) * 1987-05-20 1988-11-23 Planet Technology Ltd Electronic alarm unit
AU607540B2 (en) * 1987-09-30 1991-03-07 Kabushiki Kaisha Toshiba Repeater system
NL9100566A (nl) * 1991-04-02 1992-11-02 Roax Bv Breedbandcommunicatienetwerk en werkwijze voor het opsporen van storingen daarin.
KR100244778B1 (ko) * 1997-07-19 2000-02-15 윤종용 정상 동작중인 시스템에 보드를 실장 또는 탈장하는 회로
US6629257B1 (en) * 2000-08-31 2003-09-30 Hewlett-Packard Development Company, L.P. System and method to automatically reset and initialize a clocking subsystem with reset signaling technique

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32327A (en) * 1861-05-14 Charles b
US3614317A (en) * 1969-06-26 1971-10-19 Bell Telephone Labor Inc Three-state frequency shift signal receiver
US3811090A (en) * 1971-06-02 1974-05-14 Matsushita Electric Ind Co Ltd Automatic stopper system for stopping a power supply in the absence of information signals
US3824475A (en) * 1973-02-01 1974-07-16 Tennelec Scanning radio receiver
FR2333393A1 (fr) * 1975-11-28 1977-06-24 Ibm France Procede et disposition de detection de porteuse
US4387401A (en) * 1979-05-30 1983-06-07 Rca Corporation Carrier detector apparatus useful in a multiband sweep type tuning system
FR2469837A1 (fr) * 1979-11-07 1981-05-22 Trt Telecom Radio Electr Dispositif de detection de porteuse dans un modem muni d'un annuleur d'echo
US4365331A (en) * 1980-07-07 1982-12-21 Sytek Corporation Multiple channel data communication system
US4578533A (en) * 1980-11-03 1986-03-25 Universal Data Systems, Inc. Switchable line powered modem
US4471489A (en) * 1981-03-19 1984-09-11 General Datacomm Industries, Inc. Automatic answer/originate mode selection in modem
US4434486A (en) * 1981-10-26 1984-02-28 Ibm Corporation Self-switched data port in-band signaling protocol
US4446564A (en) * 1981-12-07 1984-05-01 Motorola Inc. Phase locked loop frequency synthesizer circuit and method for intercomputer communication on a local network of broadband RF modems
JPS5983254A (ja) * 1982-11-04 1984-05-14 Oki Electric Ind Co Ltd ウオツチドツグタイマ
US4608699A (en) * 1982-12-27 1986-08-26 Motorola, Inc. Simulcast transmission system

Also Published As

Publication number Publication date
EP0227217A2 (de) 1987-07-01
EP0227217A3 (en) 1989-04-05
CA1258492A (en) 1989-08-15
EP0227217B1 (de) 1992-08-26
US4766601A (en) 1988-08-23
DE3686565T2 (de) 1993-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee