GB2000651B - Master clock arrangement - Google Patents

Master clock arrangement

Info

Publication number: GB2000651B
Authority: GB; United Kingdom
Prior art keywords: master clock; clock arrangement; arrangement; master; clock
Prior art date: 1977-06-30
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

Application number

GB7828251A

Other versions

GB2000651A (en

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric 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.)

1977-06-30

Filing date

1978-06-29

Publication date

1982-05-06

1978-06-29 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1979-01-10 Publication of GB2000651A publication Critical patent/GB2000651A/en

1982-05-06 Application granted granted Critical

1982-05-06 Publication of GB2000651B publication Critical patent/GB2000651B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0005—Transmission of control signals
- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
- G06F11/183—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits by voting, the voting not being performed by the redundant components

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Quality & Reliability (AREA)
General Engineering & Computer Science (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

GB7828251A 1977-06-30 1978-06-29 Master clock arrangement Expired GB2000651B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7707260A NL7707260A (en)	1977-06-30	1977-06-30	MOTHER CLOCK DEVICE.

Publications (2)

Publication Number	Publication Date
GB2000651A GB2000651A (en)	1979-01-10
GB2000651B true GB2000651B (en)	1982-05-06

Family

ID=19828807

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7828251A Expired GB2000651B (en)	1977-06-30	1978-06-29	Master clock arrangement

Country Status (8)

Country	Link
AU (1)	AU3727178A (en)
BE (1)	BE868559R (en)
BR (1)	BR7804221A (en)
DE (1)	DE2828300A1 (en)
ES (1)	ES471307A1 (en)
FR (1)	FR2396453A1 (en)
GB (1)	GB2000651B (en)
NL (1)	NL7707260A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3241189A1 (en) *	1982-11-08	1984-05-10	Siemens AG, 1000 Berlin und 8000 München	CLOCK POWER SUPPLY FOR A MULTIMICROCOMPUTER SYSTEM IN RAILWAY LOCKING SYSTEMS
JPH0797328B2 (en) *	1988-10-25	1995-10-18	インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン	False tolerant synchronization system
US5469467A (en) *	1993-10-15	1995-11-21	At&T Corp.	Method for synchronizing the reference frequency oscillator of a metallic-based microcell to a master oscillator
US6188286B1 (en)	1999-03-30	2001-02-13	Infineon Technologies North America Corp.	Method and system for synchronizing multiple subsystems using one voltage-controlled oscillator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1159887A (en) *	1966-12-09	1969-07-30	Varian Associates	Sequential Frequency Combiner for Frequency Standard Systems
US3402362A (en) *	1966-12-21	1968-09-17	Varian Associates	Apparatus for generating a signal having a frequency equal to the average frequency of a plurality of frequency sources
GB1263276A (en) *	1969-04-14	1972-02-09	Marconi Co Ltd	Improvements in or relating to clock oscillator arrangements
GB1238582A (en) *	1969-08-15	1971-07-07
GB1253309A (en) *	1969-11-21	1971-11-10	Marconi Co Ltd	Improvements in or relating to data processing arrangements
FR2315736A1 (en) *	1975-06-25	1977-01-21	Materiel Telephonique	PERIODIC SIGNAL TRANSMISSION SYSTEM

1977
- 1977-06-30 NL NL7707260A patent/NL7707260A/en not_active Application Discontinuation
1978
- 1978-06-20 AU AU37271/78A patent/AU3727178A/en active Pending
- 1978-06-28 DE DE19782828300 patent/DE2828300A1/en not_active Withdrawn
- 1978-06-29 FR FR7819446A patent/FR2396453A1/en not_active Withdrawn
- 1978-06-29 GB GB7828251A patent/GB2000651B/en not_active Expired
- 1978-06-29 BE BE2057107A patent/BE868559R/en not_active IP Right Cessation
- 1978-06-30 BR BR7804221A patent/BR7804221A/en unknown
- 1978-06-30 ES ES471307A patent/ES471307A1/en not_active Expired

Also Published As

Publication number	Publication date
GB2000651A (en)	1979-01-10
NL7707260A (en)	1979-01-03
FR2396453A1 (en)	1979-01-26
ES471307A1 (en)	1979-01-16
DE2828300A1 (en)	1979-01-11
BE868559R (en)	1978-12-29
AU3727178A (en)	1980-01-03
BR7804221A (en)	1979-05-15

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JPS5478178A (en)	1979-06-22	Timepiece
GB2000651B (en)	1982-05-06	Master clock arrangement
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AU3785078A (en)	1980-01-10	Piperidino-propanols
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AU3939978A (en)	1980-03-06	2-guanidinomethyl-indoline
AU3774978A (en)	1980-01-10	Butyl-p-benzoylbenzoates
AU3355078A (en)	1979-08-30	Aryl-hexafuranosides
JPS53127768A (en)	1978-11-08	Nnmultiple timepiece
AU3845478A (en)	1980-01-31	Isoquinoline-diones
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Legal Events

Date	Code	Title	Description
1985-02-20	PCNP	Patent ceased through non-payment of renewal fee