SE7903750L - Forfarande och anordning for avkenning av frekvensendringar - Google Patents

Forfarande och anordning for avkenning av frekvensendringar

Info

Publication number: SE7903750L
Authority: SE; Sweden
Prior art keywords: signal; amplitude; reference signal; procedure; frequency changes
Prior art date: 1978-05-01

Application number

SE7903750A

Other languages

Unknown language ( )

English (en)

Other versions

SE439851B (sv

Inventor

B J Bout

Wyk J P Van

Original Assignee

Anglo Amer Corp South Africa

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.)

1978-05-01

Filing date

1979-04-27

Publication date

1979-11-02

1979-04-27 Application filed by Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa

1979-11-02 Publication of SE7903750L publication Critical patent/SE7903750L/sv

1985-07-01 Publication of SE439851B publication Critical patent/SE439851B/sv

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Fire-Detection Mechanisms (AREA)
Fire Alarms (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Emergency Alarm Devices (AREA)
Measurement Of Current Or Voltage (AREA)
Radar Systems Or Details Thereof (AREA)
Control Of Electric Motors In General (AREA)
Measuring Frequencies, Analyzing Spectra (AREA)
Manipulation Of Pulses (AREA)

SE7903750A 1978-05-01 1979-04-27 Forfarande och anordning for avkenning av frekvensendringar SE439851B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA00782493A ZA782493B (en)	1978-05-01	1978-05-01	Rate of change detection

Publications (2)

Publication Number	Publication Date
SE7903750L true SE7903750L (sv)	1979-11-02
SE439851B SE439851B (sv)	1985-07-01

Family

ID=25572893

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7903750A SE439851B (sv)	1978-05-01	1979-04-27	Forfarande och anordning for avkenning av frekvensendringar

Country Status (19)

Country	Link
US (1)	US4309663A (sv)
JP (1)	JPS5530794A (sv)
AU (1)	AU524975B2 (sv)
BE (1)	BE875952A (sv)
BR (1)	BR7902684A (sv)
CA (1)	CA1140219A (sv)
CH (1)	CH648129A5 (sv)
DE (1)	DE2917454A1 (sv)
DK (1)	DK156780C (sv)
FR (1)	FR2425076A1 (sv)
GB (1)	GB2020042B (sv)
IE (1)	IE48296B1 (sv)
IN (1)	IN152221B (sv)
IT (1)	IT1112775B (sv)
LU (1)	LU81203A1 (sv)
NL (1)	NL7903362A (sv)
NO (1)	NO151514C (sv)
SE (1)	SE439851B (sv)
ZA (1)	ZA782493B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA785255B (en) *	1978-09-15	1979-12-27	Anglo Amer Corp South Africa	Alarm system
DE3063811D1 (en) *	1979-03-14	1983-07-28	Lucas Ind Plc	Method and device for measurement of the rate of change of frequency of a pulse train
JPS57795A (en) *	1980-06-04	1982-01-05	Hitachi Ltd	Method of detecting and warning gas leakage
JPS5726227A (en) *	1980-07-22	1982-02-12	Nippon Denso Co Ltd	Abnormal alarm device
GB2085599B (en) *	1980-09-30	1984-09-19	Gould Advance Ltd	Automatic drift correction
DE3111684A1 (de) *	1981-03-25	1982-10-14	FHN-Verbindungstechnik GmbH, 8501 Eckental	"elektronische steuerschaltung fuer den antriebsmotor eines versenkbaren autofensters"
US4582672A (en) *	1982-08-11	1986-04-15	Westinghouse Electric Corp.	Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit
JPS59172093A (ja) *	1983-03-21	1984-09-28	高橋　信夫	火災などの異常警報装置
JPS60134999A (ja) *	1983-12-23	1985-07-18	ホーチキ株式会社	火災報知装置
JPS60135000A (ja) *	1983-12-23	1985-07-18	ホーチキ株式会社	火災報知装置
JPS6219999A (ja) *	1985-07-18	1987-01-28	ホーチキ株式会社	火災報知装置
DE4116308A1 (de) *	1991-05-15	1992-11-19	Schleicher Relais	Vorrichtung zur intermittierenden messung einer messgroesse ueber laengere zeitraeume
US5461223A (en) *	1992-10-09	1995-10-24	Eastman Kodak Company	Bar code detecting circuitry
DE102005058574B4 (de) *	2005-12-08	2016-03-24	Hella Kgaa Hueck & Co.	Vorrichtung zum Steuern der Zusatzleistung einer Gasentladungslampe mit einem Oszillator, dessen Frequenz zum Ersetzen eines RC-Zeitgliedes geändert wird

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4132947A (en) *	1967-09-06	1979-01-02	General Electric Company	Waveshape detector
US3600688A (en) *	1970-04-21	1971-08-17	Bethlehem Steel Corp	Signal discriminator circuit
US3711779A (en) *	1970-11-17	1973-01-16	Instrumentation Specialties Co	Apparatus for determining and characterizing the slopes of time-varying signals
JPS5115886B2 (sv) *	1972-05-18	1976-05-20
AU478432B2 (en) *	1972-12-01	1975-05-15	Wormald International Ltd.	Improvements in temperature monitoring equipment
FR2231972B1 (sv) *	1973-05-29	1977-04-29	Electricite De France
DE2440309A1 (de) *	1973-08-24	1975-03-27	Anglo Amer Corp South Africa	Verfahren und vorrichtung zum aufspueren von braenden
AU481144B2 (en) *	1973-10-04	1977-02-21	Dulux Australia Ltd.	POLYMER BEAD PROCESS Specification
US3958132A (en) *	1974-04-25	1976-05-18	Sun Oil Company Of Pennsylvania	Slope change detector
DE2435084C3 (de) *	1974-07-22	1978-12-07	Fa. Carl Zeiss, 7920 Heidenheim	Anordnung zur zeitlichen Verfolgung eines Meßvorganges
DE2453013C2 (de) *	1974-11-08	1984-09-20	Hellige Gmbh, 7800 Freiburg	Medizinisches Gerät zur automatischen Überwachung der Temperatur des menschlichen Körpers
GB1527600A (en) *	1974-12-13	1978-10-04	Mullard Ltd	Video signal analysis
JPS5230088A (en) *	1975-08-30	1977-03-07	Green Cross Corp	Device for detecting abnormal position of skin impedance
GB1478810A (en) *	1975-11-20	1977-07-06	Standard Telephones Cables Ltd	Detection circuits for monitoring current changes
US4041404A (en) *	1976-06-01	1977-08-09	Leeds & Northrup Company	Apparatus and method for detecting when a measured variable represented by a string of digital pulses reaches a plateau
US4086651A (en) *	1976-06-29	1978-04-25	The Perkin-Elmer Corporation	Electrical output peak detecting apparatus
FR2397640A1 (fr) *	1977-07-12	1979-02-09	Thomson Csf	Dispositif de mesure de la pente moyenne d'une courbe representative d'un phenomene en evolution

1978
- 1978-05-01 ZA ZA00782493A patent/ZA782493B/xx unknown
1979
- 1979-04-27 FR FR7910832A patent/FR2425076A1/fr active Granted
- 1979-04-27 NO NO79791419A patent/NO151514C/no unknown
- 1979-04-27 SE SE7903750A patent/SE439851B/sv not_active IP Right Cessation
- 1979-04-27 NL NL7903362A patent/NL7903362A/xx not_active Application Discontinuation
- 1979-04-30 DE DE19792917454 patent/DE2917454A1/de not_active Ceased
- 1979-04-30 GB GB7914956A patent/GB2020042B/en not_active Expired
- 1979-04-30 AU AU46522/79A patent/AU524975B2/en not_active Ceased
- 1979-04-30 BE BE2/57768A patent/BE875952A/xx not_active IP Right Cessation
- 1979-04-30 CA CA000326638A patent/CA1140219A/en not_active Expired
- 1979-04-30 DK DK177479A patent/DK156780C/da not_active IP Right Cessation
- 1979-04-30 US US06/034,809 patent/US4309663A/en not_active Expired - Lifetime
- 1979-04-30 LU LU81203A patent/LU81203A1/xx unknown
- 1979-04-30 IT IT22288/79A patent/IT1112775B/it active
- 1979-04-30 CH CH4046/79A patent/CH648129A5/de not_active IP Right Cessation
- 1979-05-01 JP JP5396379A patent/JPS5530794A/ja active Pending
- 1979-05-02 BR BR7902684A patent/BR7902684A/pt unknown
- 1979-05-02 IN IN444/CAL/79A patent/IN152221B/en unknown
- 1979-08-18 IE IE1213/79A patent/IE48296B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
IN152221B (sv)	1983-11-19
NL7903362A (nl)	1979-11-05
DE2917454A1 (de)	1979-11-08
BR7902684A (pt)	1979-11-27
FR2425076B1 (sv)	1984-10-05
BE875952A (nl)	1979-08-16
GB2020042B (en)	1982-09-02
JPS5530794A (en)	1980-03-04
DK156780B (da)	1989-10-02
GB2020042A (en)	1979-11-07
ZA782493B (en)	1979-12-27
NO791419L (no)	1979-11-02
AU4652279A (en)	1979-11-08
SE439851B (sv)	1985-07-01
IT1112775B (it)	1986-01-20
NO151514C (no)	1985-04-24
IE48296B1 (en)	1984-11-28
AU524975B2 (en)	1982-10-14
FR2425076A1 (fr)	1979-11-30
NO151514B (no)	1985-01-07
DK156780C (da)	1990-02-19
IT7922288A0 (it)	1979-04-30
US4309663A (en)	1982-01-05
CH648129A5 (de)	1985-02-28
IE791213L (en)	1979-11-01
CA1140219A (en)	1983-01-25
DK177479A (da)	1979-11-02
LU81203A1 (fr)	1979-09-10

Publication	Publication Date	Title
SE7903750L (sv)	1979-11-02	Forfarande och anordning for avkenning av frekvensendringar
DK141286D0 (da)	1986-03-26	Fremgangsmaade og apparat til stroemningsmaaling
ATE129572T1 (de)	1995-11-15	Gerät zur wellenförmigen chemischen analyse und verfahren.
CA2144546A1 (en)	1994-03-31	Method and apparatus for passively detecting the depth and location of a spatial or temporal anomaly
SE7907070L (sv)	1980-02-27	Apparat for automatisk volyminstellning
SE7600912L (sv)	1977-07-29	Forfarande och anordning vid svengande system i metgivare
NO148972C (no)	1984-02-01	Fremgangsmaate og apparat til detektering av riss ved hjelp av ultralyd.
ATE25886T1 (de)	1987-03-15	Detektionsgeraet fuer digitale daten.
SE7709041L (sv)	1978-07-14	Forfarande och anordning for bestemning av flyttillstandet hos en substans med flytformaga
ATE282833T1 (de)	2004-12-15	Methode und apparat zur lokalen temperaturmessung für hochauflösende in-situ messung
DE68915255D1 (de)	1994-06-16	Frequenzmessung.
GB1503766A (en)	1978-03-15	Method and apparatus for measuring liquid pressure in pipelines
DK0793425T3 (da)	2000-04-03	Fremgangsmåde og apparat til at diagnosticere mekaniske problemer, i særdeleshed i cigaretfremstillingsanlæg
JPS6486032A (en)	1989-03-30	Optical fiber evaluator
SE8403225D0 (sv)	1984-06-15	Metod for fastlast sampling av en periodisk signal
DK259375A (da)	1975-12-12	Fremgangsmade til frembringelse af en indstillelig gengivelse af en svingningsbevegelse, fortrinsvis fra et musikinstrument, samt apparat til udovelse af fremgangsmaden
SE9904570D0 (sv)	1999-12-14	A method and an apparatus for measuring roundness errors
FI854075A0 (fi)	1985-10-18	Foerfarande och anordning foer kontinuerlig reglering av en masugn.
JPS53128238A (en)	1978-11-09	Velocity test system
JPS57168136A (en)	1982-10-16	Vibration testing method
SU462128A1 (ru)	1975-02-28	Способ ультразвукового контрол
JPS5460935A (en)	1979-05-16	Detector of residual quantity of toner
FR2634613B1 (fr)	1995-07-21	Procede de mesure d'un palier dans un signal bruite, et appareil de mesure automatique pour la mise en oeuvre de ce procede
JPS5548638A (en)	1980-04-07	Photoacoustic analysis method
SU409171A1 (ru)	1973-11-30	В п т б

Legal Events

Date	Code	Title	Description
1995-01-31	NUG	Patent has lapsed	Ref document number: 7903750-3 Effective date: 19921108 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7903750-3

Effective date: 19921108

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