AT318071B - Schaltungsanordnung zur Messung der Frequenz von elektrischen Signalen - Google Patents
Schaltungsanordnung zur Messung der Frequenz von elektrischen SignalenInfo
- Publication number
- AT318071B AT318071B AT81972A AT81972A AT318071B AT 318071 B AT318071 B AT 318071B AT 81972 A AT81972 A AT 81972A AT 81972 A AT81972 A AT 81972A AT 318071 B AT318071 B AT 318071B
- Authority
- AT
- Austria
- Prior art keywords
- measuring
- frequency
- electrical signals
- circuit arrangement
- arrangement
- Prior art date
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
- G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
- G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH688171A CH531179A (de) | 1971-05-10 | 1971-05-10 | Verfahren und Einrichtung zur Messung der Frequenz von einem einen bestimmten, einstellbaren Pegel überschreitenden elektrischen Signal |
Publications (1)
Publication Number | Publication Date |
---|---|
AT318071B true AT318071B (de) | 1974-09-25 |
Family
ID=4316516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT81972A AT318071B (de) | 1971-05-10 | 1972-02-02 | Schaltungsanordnung zur Messung der Frequenz von elektrischen Signalen |
Country Status (7)
Country | Link |
---|---|
US (1) | US3803487A (de) |
AT (1) | AT318071B (de) |
CH (1) | CH531179A (de) |
DE (1) | DE2127283A1 (de) |
FR (1) | FR2137600B1 (de) |
GB (1) | GB1385206A (de) |
NL (1) | NL7206175A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH600685A5 (de) * | 1975-11-28 | 1978-06-30 | Patelhold Patentverwertung | |
GB1601333A (en) * | 1977-03-02 | 1981-10-28 | Lucas Industries Ltd | Circuit for producing a digital count representing the average value of a variable frequency |
US4574635A (en) * | 1984-11-02 | 1986-03-11 | North American Philips Corporation | Monitoring of frequency shift of ultrasound pulses in tissue |
DE9014815U1 (de) * | 1990-10-26 | 1991-01-24 | Mesacon Gesellschaft für Meßtechnik mbH, 4600 Dortmund | Optisches Gerät zur Messung der Geschwindigkeit oder Länge einer bewegten Oberfläche mittels eines von einem Laser ausgehenden Meßlichtstrahls |
JP2009250807A (ja) * | 2008-04-07 | 2009-10-29 | Seiko Epson Corp | 周波数測定装置及び測定方法 |
JP2010271091A (ja) * | 2009-05-20 | 2010-12-02 | Seiko Epson Corp | 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 |
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 |
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 |
ITMI20120697A1 (it) * | 2012-04-27 | 2013-10-28 | Dora Spa | Circuito di controllo con isteresi di un regolatore di tensione a commutazione |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB799674A (en) * | 1955-09-15 | 1958-08-13 | Rank Cintel Ltd | Improvements in or relating to apparatus for determining the frequency of electrical signals |
US3609326A (en) * | 1969-01-22 | 1971-09-28 | Hewlett Packard Co | Counting apparatus and method using separate counters for reference and unknown signal |
-
1971
- 1971-05-10 CH CH688171A patent/CH531179A/de not_active IP Right Cessation
- 1971-06-02 DE DE19712127283 patent/DE2127283A1/de active Pending
-
1972
- 1972-02-02 AT AT81972A patent/AT318071B/de not_active IP Right Cessation
- 1972-05-02 US US00249635A patent/US3803487A/en not_active Expired - Lifetime
- 1972-05-08 GB GB2142072A patent/GB1385206A/en not_active Expired
- 1972-05-08 NL NL7206175A patent/NL7206175A/xx not_active Application Discontinuation
- 1972-05-08 FR FR7216315A patent/FR2137600B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH531179A (de) | 1972-11-30 |
FR2137600A1 (de) | 1972-12-29 |
NL7206175A (de) | 1972-11-14 |
DE2127283A1 (de) | 1972-11-23 |
GB1385206A (en) | 1975-02-26 |
FR2137600B1 (de) | 1976-08-06 |
US3803487A (en) | 1974-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |