IT8948499A0 - Decodificatore di tasso di variazione vitale per sistemi ferroviari dicontrollo e di protezione - Google Patents

Decodificatore di tasso di variazione vitale per sistemi ferroviari dicontrollo e di protezione

Info

Publication number
IT8948499A0
IT8948499A0 IT48499A IT4849989A IT8948499A0 IT 8948499 A0 IT8948499 A0 IT 8948499A0 IT 48499 A IT48499 A IT 48499A IT 4849989 A IT4849989 A IT 4849989A IT 8948499 A0 IT8948499 A0 IT 8948499A0
Authority
IT
Italy
Prior art keywords
decoder
variation
protection systems
railway control
vital rate
Prior art date
Application number
IT48499A
Other languages
English (en)
Other versions
IT1238505B (it
IT8948499A1 (it
Inventor
David B Rutherford
Original Assignee
Gen Signal 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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of IT8948499A0 publication Critical patent/IT8948499A0/it
Publication of IT8948499A1 publication Critical patent/IT8948499A1/it
Application granted granted Critical
Publication of IT1238505B publication Critical patent/IT1238505B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/076—Error or fault detection not based on redundancy by exceeding limits by exceeding a count or rate limit, e.g. word- or bit count limit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Hardware Redundancy (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IT48499A 1988-11-04 1989-10-30 Decodificatore di tasso di variazione vitale per sistemi ferroviari dicontrollo e di protezione. IT1238505B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/267,214 US5048064A (en) 1988-11-04 1988-11-04 Vital rate decoder

Publications (3)

Publication Number Publication Date
IT8948499A0 true IT8948499A0 (it) 1989-10-30
IT8948499A1 IT8948499A1 (it) 1991-04-30
IT1238505B IT1238505B (it) 1993-08-18

Family

ID=23017809

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48499A IT1238505B (it) 1988-11-04 1989-10-30 Decodificatore di tasso di variazione vitale per sistemi ferroviari dicontrollo e di protezione.

Country Status (5)

Country Link
US (1) US5048064A (it)
CN (1) CN1048597C (it)
CA (1) CA2001081C (it)
IT (1) IT1238505B (it)
NL (1) NL194608C (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466520B1 (en) 1996-09-17 2002-10-15 Xilinx, Inc. Built-in AC self test using pulse generators
US6144262A (en) * 1996-09-17 2000-11-07 Xilinx, Inc. Circuit for measuring signal delays of asynchronous register inputs
US6075418A (en) * 1996-09-17 2000-06-13 Xilinx, Inc. System with downstream set or clear for measuring signal propagation delays on integrated circuits
US6069849A (en) * 1996-09-17 2000-05-30 Xilinx, Inc. Method and system for measuring signal propagation delays using the duty cycle of a ring oscillator
US6233205B1 (en) 1996-09-17 2001-05-15 Xilinx, Inc. Built-in self test method for measuring clock to out delays
US6232845B1 (en) 1996-09-17 2001-05-15 Xilinx, Inc. Circuit for measuring signal delays in synchronous memory elements
US6219305B1 (en) 1996-09-17 2001-04-17 Xilinx, Inc. Method and system for measuring signal propagation delays using ring oscillators
US6009554A (en) * 1997-09-19 1999-12-28 General Railway Signal Corporation Systems safety vital arbiter employing numerical techniques
US6452459B1 (en) 1999-07-22 2002-09-17 Xilinx, Inc. Circuit for measuring signal delays of synchronous memory elements
US7015833B1 (en) * 2000-08-31 2006-03-21 Logitech Europe S.A. Multilink receiver for multiple cordless applications
US6630838B1 (en) 2001-01-23 2003-10-07 Xilinx, Inc. Method for implementing dynamic burn-in testing using static test signals
US7302587B2 (en) * 2001-06-08 2007-11-27 Matra Transport International Secure computer system
US7065684B1 (en) 2002-04-18 2006-06-20 Xilinx, Inc. Circuits and methods for measuring signal propagation delays on integrated circuits

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898444A (en) * 1973-12-28 1975-08-05 Ibm Binary counter with error detection and transient error correction
JPS6025929B2 (ja) * 1978-01-25 1985-06-21 ソニー株式会社 Ｐｗｍ変調回路
US4254327A (en) * 1979-05-17 1981-03-03 The United States Of America As Represented By The Secretary Of The Navy Pulse generator having selectable pulse width and pulse repetition interval
US4307463A (en) * 1980-02-08 1981-12-22 General Signal Corporation Vital rate decoder
JPS57204629A (en) * 1981-06-12 1982-12-15 Nec Corp Control circuit of pulse width
US4475086A (en) * 1982-03-31 1984-10-02 Eastman Kodak Company Duty cycle detector
US4726045A (en) * 1986-03-28 1988-02-16 Tektronix, Inc. Low jitter digital delay generator
DE3642851A1 (de) * 1986-12-16 1988-06-30 Bbc Brown Boveri & Cie Fehlertolerantes rechensystem und verfahren zum erkennen, lokalisieren und eliminieren von fehlerhaften einheiten in einem solchen system
NL8800199A (nl) * 1987-02-09 1988-09-01 Gen Signal Corp Digitale vitale snelheidsdecodeur.
JPH077904B2 (ja) * 1987-09-14 1995-01-30 三菱電機株式会社 パルス発生回路

Also Published As

Publication number Publication date
NL194608B (nl) 2002-05-01
CN1043024A (zh) 1990-06-13
IT1238505B (it) 1993-08-18
IT8948499A1 (it) 1991-04-30
NL194608C (nl) 2002-09-03
CA2001081A1 (en) 1990-05-04
CN1048597C (zh) 2000-01-19
NL8902647A (nl) 1990-06-01
US5048064A (en) 1991-09-10
CA2001081C (en) 1999-12-07

Similar Documents

Publication Publication Date Title
EP0132934A3 (en) Railway system and elements thereof
GB8810923D0 (en) Railway signalling system
DE69326990D1 (de) Kodierungssystem und -verfahren
NL194075B (nl) Spoorwegsignalerings- en besturingsstelsel.
IT8948499A0 (it) Decodificatore di tasso di variazione vitale per sistemi ferroviari dicontrollo e di protezione
IT1205261B (it) Sistemi televisivi e sottosistemi per gli stessi
IT1177083B (it) Sistema di interfaccia vitale per segnalazione ferroviaria
GB8810922D0 (en) Railway signalling system
GB9408048D0 (en) Emergency scrubbing system and method of using same
ZA861849B (en) Building systems and components for use therein
GB8401765D0 (en) Rail systems
GB2145860B (en) Security systems
GB8401080D0 (en) Post and rail systems
GB8618112D0 (en) Railway signalling system
ZA851893B (en) Railway signalling system
GB2134295B (en) Block system in single-track section of railway
GB8826587D0 (en) Railway braking systems
GB2266802B (en) Railway signalling system
IL79130A0 (en) Railway signalling system
GB2140184B (en) Railway track signalling system
IT214159Z2 (it) Contenitore per sistemi didattici e o divulgativi audiovisivi
GB8301397D0 (en) Post and rail systems
GB8303217D0 (en) Post and rail systems
GB9209847D0 (en) Encoding of machine readable cards and secure systems
GB2228419B (en) Anaesthetic system pressure and flow inhibitor

Legal Events

Date Code Title Description
0001 Granted