BE889781A - Circuit de controle d'impulsions - Google Patents

Circuit de controle d'impulsions

Info

Publication number
BE889781A
BE889781A BE2/59285A BE2059285A BE889781A BE 889781 A BE889781 A BE 889781A BE 2/59285 A BE2/59285 A BE 2/59285A BE 2059285 A BE2059285 A BE 2059285A BE 889781 A BE889781 A BE 889781A
Authority
BE
Belgium
Prior art keywords
control circuit
pulse control
pulse
circuit
control
Prior art date
Application number
BE2/59285A
Other languages
English (en)
Inventor
J R Holden
Original Assignee
Gte Automatic Electric Lab 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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE889781A publication Critical patent/BE889781A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/19—Monitoring patterns of pulse trains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/033—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers (the characteristic being frequency)

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE2/59285A 1980-12-29 1981-09-29 Circuit de controle d'impulsions BE889781A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/220,933 US4374361A (en) 1980-12-29 1980-12-29 Clock failure monitor circuit employing counter pair to indicate clock failure within two pulses

Publications (1)

Publication Number Publication Date
BE889781A true BE889781A (fr) 1981-11-16

Family

ID=22825622

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/59285A BE889781A (fr) 1980-12-29 1981-09-29 Circuit de controle d'impulsions

Country Status (5)

Country Link
US (1) US4374361A (fr)
JP (1) JPS57125560A (fr)
BE (1) BE889781A (fr)
CA (1) CA1187564A (fr)
IT (1) IT1138473B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651329A (en) * 1981-09-23 1987-03-17 Honeywell Information Systems Inc. Digital decode logic for converting successive binary zero pulses having opposite polarity to a stream of data pulses
US4467285A (en) * 1981-12-21 1984-08-21 Gte Automatic Electric Labs Inc. Pulse monitor circuit
CH655917A5 (de) * 1982-03-11 1986-05-30 Loepfe Ag Geb Elektronische abfrageschaltung zur ueberwachung einer vielzahl von fadenlaufstellen an einer textilmaschine.
JPS60165115A (ja) * 1984-02-08 1985-08-28 Fuji Photo Film Co Ltd パルス信号の補償回路
US4698829A (en) * 1985-03-12 1987-10-06 Pitney Bowes Inc. Monitoring system for verifying that an input signal is toggling at a minimum frequency
US4835728A (en) * 1986-08-13 1989-05-30 Amdahl Corporation Deterministic clock control apparatus for a data processing system
JPH07104689B2 (ja) * 1986-11-07 1995-11-13 フアナツク株式会社 パルスエンコ−ダ
US5101127A (en) * 1989-03-23 1992-03-31 Texas Instruments Incorporated Digital integrated frequency discriminator of external clock and internally generated signal backup
US4972414A (en) * 1989-11-13 1990-11-20 International Business Machines Corporation Method and apparatus for detecting oscillator stuck faults in a level sensitive scan design (LSSD) system
US5418481A (en) * 1993-12-10 1995-05-23 Cray Research, Inc. Repetitive signal detector for preventing thermal runaway
US5808485A (en) * 1996-08-05 1998-09-15 Vlsi Technology, Inc. Clock clamping circuit that prevents clock glitching and method therefor
KR100208292B1 (ko) * 1996-12-31 1999-07-15 유기범 Ipc의 이중화 버스 클럭 감시 회로
JP4211195B2 (ja) * 2000-05-17 2009-01-21 沖電気工業株式会社 クロック異常検出回路
US6668334B1 (en) 2000-06-27 2003-12-23 Lucent Technologies Inc. Apparatus for detecting clock failure within a fixed number of cycles of the clock
US7296170B1 (en) 2004-01-23 2007-11-13 Zilog, Inc. Clock controller with clock source fail-safe logic
US7038508B2 (en) * 2004-04-30 2006-05-02 Intel Corporation Methods and apparatuses for detecting clock loss in a phase-locked loop
US7454645B2 (en) * 2005-03-31 2008-11-18 Cypress Semiconductor Corp. Circuit and method for monitoring the status of a clock signal
US7498848B2 (en) 2006-10-03 2009-03-03 Freescale Semiconductor, Inc. System and method for monitoring clock signal in an integrated circuit
EP2193444A2 (fr) * 2007-09-03 2010-06-09 Nxp B.V. Unité de supervision d'horloge
DE102007051173A1 (de) * 2007-10-25 2009-04-30 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Schaltungsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350580A (en) * 1965-11-30 1967-10-31 Sperry Rand Corp Monitor employing logic gate and counter to indicate normal pulse-train failure after predetermined time interval
US3582795A (en) * 1969-08-14 1971-06-01 Bell Telephone Labor Inc Delayed clock pulse synchronizing of random input pulses
US3936745A (en) * 1974-11-12 1976-02-03 Mdh Industries, Inc. Method of measuring the duration of a discontinuous signal
US4023109A (en) * 1975-08-14 1977-05-10 The Van Epps Design And Development Co., Inc. Sequence control system with timed operations
US4052676A (en) * 1976-06-10 1977-10-04 Woodward Governor Company Digital-analog frequency error signaling

Also Published As

Publication number Publication date
JPS57125560A (en) 1982-08-04
IT1138473B (it) 1986-09-17
CA1187564A (fr) 1985-05-21
IT8123244A0 (it) 1981-07-30
US4374361A (en) 1983-02-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19890731