[go: up one dir, main page]

SE7401611L - - Google Patents

Info

Publication number
SE7401611L
SE7401611L SE7401611A SE7401611A SE7401611L SE 7401611 L SE7401611 L SE 7401611L SE 7401611 A SE7401611 A SE 7401611A SE 7401611 A SE7401611 A SE 7401611A SE 7401611 L SE7401611 L SE 7401611L
Authority
SE
Sweden
Prior art keywords
counter unit
pulse train
pulse
content
frequency
Prior art date
Application number
SE7401611A
Other languages
Unknown language ( )
English (en)
Other versions
SE379862B (fr
Inventor
J Valis
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE7401611A priority Critical patent/SE379862B/xx
Priority to US537782A priority patent/US3930199A/en
Priority to DE2502873A priority patent/DE2502873C2/de
Priority to JP50015240A priority patent/JPS5748744B2/ja
Priority to GB5054/75A priority patent/GB1489491A/en
Publication of SE7401611L publication Critical patent/SE7401611L/
Publication of SE379862B publication Critical patent/SE379862B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
SE7401611A 1974-02-07 1974-02-07 SE379862B (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE7401611A SE379862B (fr) 1974-02-07 1974-02-07
US537782A US3930199A (en) 1974-02-07 1974-12-31 Means for determining frequency
DE2502873A DE2502873C2 (de) 1974-02-07 1975-01-24 Anordnung zur digitalen Messung der Frequenz einer Impulsfolge
JP50015240A JPS5748744B2 (fr) 1974-02-07 1975-02-05
GB5054/75A GB1489491A (en) 1974-02-07 1975-02-06 Frequency or speed determining means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7401611A SE379862B (fr) 1974-02-07 1974-02-07

Publications (2)

Publication Number Publication Date
SE7401611L true SE7401611L (fr) 1975-08-08
SE379862B SE379862B (fr) 1975-10-20

Family

ID=20320134

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7401611A SE379862B (fr) 1974-02-07 1974-02-07

Country Status (5)

Country Link
US (1) US3930199A (fr)
JP (1) JPS5748744B2 (fr)
DE (1) DE2502873C2 (fr)
GB (1) GB1489491A (fr)
SE (1) SE379862B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525570A (en) * 1974-11-21 1978-09-20 Lucas Industries Ltd Apparatus for generating a digital count proportional to an input frequency
US4027146A (en) * 1976-03-23 1977-05-31 Heath Company High speed accurate low frequency counter
SU1206968A1 (ru) * 1976-05-24 1986-01-23 Всесоюзный научно-исследовательский институт природных газов Детектор частотно-манипулированных сигналов
DE2941697A1 (de) * 1979-10-15 1981-04-30 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Verfahren und einrichtung zur messung der frequenz einer impulsfolge
WO1983002828A1 (fr) * 1979-12-05 1983-08-18 Hoffman, John, P. Appareil et procede de conversion de signaux de frequence
US4383303A (en) * 1980-03-07 1983-05-10 Caterpillar Tractor Co. Frequency signal conversion apparatus and method
DE3025356A1 (de) * 1980-07-04 1982-01-21 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltungsanordnung zur digitalen phasendifferenz-messung, deren verwendung in einer synchronisierschaltung und entsprechende synchronisierschaltung
CA1144986A (fr) * 1980-08-20 1983-04-19 Canadian General Electric Company Limited Frequencemetre
GB2095013B (en) * 1981-03-18 1984-10-17 Philips Electronic Associated Multi-tone sequential call signal detector
JPS5936635U (ja) * 1982-08-31 1984-03-07 エイマ−電器株式会社 ラジオカセツト装置
JPS6145996U (ja) * 1984-08-28 1986-03-27 株式会社 タカラ 音出し玩具
JP2010271091A (ja) * 2009-05-20 2010-12-02 Seiko Epson Corp 周波数測定装置
JP5440999B2 (ja) 2009-05-22 2014-03-12 セイコーエプソン株式会社 周波数測定装置
JP5517033B2 (ja) 2009-05-22 2014-06-11 セイコーエプソン株式会社 周波数測定装置
JP5582447B2 (ja) 2009-08-27 2014-09-03 セイコーエプソン株式会社 電気回路、同電気回路を備えたセンサーシステム、及び同電気回路を備えたセンサーデバイス
JP5815918B2 (ja) 2009-10-06 2015-11-17 セイコーエプソン株式会社 周波数測定方法、周波数測定装置及び周波数測定装置を備えた装置
JP5876975B2 (ja) 2009-10-08 2016-03-02 セイコーエプソン株式会社 周波数測定装置及び周波数測定装置における変速分周信号の生成方法
JP5883558B2 (ja) 2010-08-31 2016-03-15 セイコーエプソン株式会社 周波数測定装置及び電子機器
CN115166284A (zh) * 2022-06-28 2022-10-11 大陆汽车车身电子系统（芜湖）有限公司 频率信号采集系统及频率信号采集方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445643A (en) * 1966-09-22 1969-05-20 Fischer & Porter Co Electronic multiplier/divider for fluid flow systems
DE2336015C2 (de) 1973-07-14 1983-10-06 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Umsetzung einer Frequenz in eine Binärzahl
US3895294A (en) * 1974-02-14 1975-07-15 Us Navy Phase change measuring circuit

Also Published As

Publication number Publication date
JPS5748744B2 (fr) 1982-10-18
DE2502873A1 (de) 1975-08-14
GB1489491A (en) 1977-10-19
DE2502873C2 (de) 1982-08-19
JPS50110671A (fr) 1975-08-30
SE379862B (fr) 1975-10-20
US3930199A (en) 1975-12-30

Similar Documents

Publication Publication Date Title
SE7401611L (fr)
ZA746680B (en) A method and a device useful as an aid to distance measurement
AR208700A1 (es) Mejoras en expendedoras de alimentos liquidos calientes
BR7206814D0 (pt) Conjunto de pesagem eletronica aperfeicoamentos em aparelho incluindo um amplificador conjunto para medir um sinal e aparelho para encher descontinuidades em um sinal
BR7206803D0 (pt) Conjunto de pesagem eletronica aperfeicoamentos em aparelho incluindo um amplificador conjunto para medir um sinal e aparelho para encher descontinuidades em um sinal
SE7409848L (fr)
ES428146A1 (es) Procedimiento y aparato para la medicion de la longitud de hilados.
JPS51136490A (en) Microwave moisture meter
CA1017935A (fr) Appareil servant a mesurer deux dimensions d'un objet et a combiner ces deux valeurs de facon a en obtenir une seule
NL7503179A (en) Electronic measurement of fluid quantity in vessel - capacitor formed by electrodes and fluid originates signal sequence
JPS526569A (en) Digital power measuring unit
ES8405158A1 (es) "dispositivo para detectar variaciones de frecuencia"
SU492750A1 (ru) Датчик уровнемера
DK233975A (da) Apparat til brug i forbindelse med en elektronisk detektor
JPS5266455A (en) Radiation thickness gauge
JPS5376888A (en) Concentration measuring apparatus
JPS535608A (en) Hunting characteristic measurement device
JPS51149060A (en) Flow velocity and flow quantity measuring device utilizing ultrasonic wave
JPS51133052A (en) Linearizer
SU521659A1 (ru) Счетчик импульсов с переменным коэффициентом счета
ES408408A1 (es) Unos perfeccionamientos en dispositivos electronicos para medir la frecuencia de senales electricas periodicas.
JPS52109047A (en) Dowel angle measuring device
ZA751773B (en) Certain tetrahydrofuran derivatives and the use thereof in ripening sugarcane
SU590706A1 (ru) Устройство дл измерени и сигнализации уровн
JPS5211989A (en) Cereals moisture meter

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7401611-4

Effective date: 19940310

Format of ref document f/p: F