SE392967B - Apparat for dimensions- eller forskjutningsmetning - Google Patents
Apparat for dimensions- eller forskjutningsmetningInfo
- Publication number
- SE392967B SE392967B SE7415687A SE7415687A SE392967B SE 392967 B SE392967 B SE 392967B SE 7415687 A SE7415687 A SE 7415687A SE 7415687 A SE7415687 A SE 7415687A SE 392967 B SE392967 B SE 392967B
- Authority
- SE
- Sweden
- Prior art keywords
- appliance
- dimension
- saturation
- offset
- offset saturation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7345271A FR2254779B1 (xx) | 1973-12-18 | 1973-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7415687L SE7415687L (xx) | 1975-06-19 |
SE392967B true SE392967B (sv) | 1977-04-25 |
Family
ID=9129387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7415687A SE392967B (sv) | 1973-12-18 | 1974-12-13 | Apparat for dimensions- eller forskjutningsmetning |
Country Status (7)
Country | Link |
---|---|
US (1) | US4011500A (xx) |
JP (1) | JPS5093669A (xx) |
DE (1) | DE2459909C3 (xx) |
FR (1) | FR2254779B1 (xx) |
GB (1) | GB1473549A (xx) |
IT (1) | IT1027073B (xx) |
SE (1) | SE392967B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2404229A1 (fr) * | 1977-09-23 | 1979-04-20 | Testut Aequitas | Dispositif de mesure de capacite d'un condensateur |
FR2436399A2 (fr) * | 1978-09-13 | 1980-04-11 | Testut Aequitas | Perfectionnement a l'inhibition des capacites parasites dans un dispositif de mesure de capacite |
SE431683B (sv) * | 1977-09-23 | 1984-02-20 | Testut Aequitas | Anordning for metning av kapacitansen hos en kondensator |
ZA793368B (en) * | 1978-07-12 | 1980-06-25 | Lucas Industries Ltd | Displacement transducer system |
FR2454083A1 (fr) * | 1979-04-09 | 1980-11-07 | Facom | Dispositif de mesure de la position relative de deux objets |
JPS56119474A (en) * | 1980-02-25 | 1981-09-19 | Nippon Denso Co | Device for responding to refrigerang amount for refrigerant circulating apparatus |
US4646009A (en) * | 1982-05-18 | 1987-02-24 | Ade Corporation | Contacts for conductivity-type sensors |
DE3732756A1 (de) * | 1986-11-27 | 1988-06-09 | Weinert E Messgeraetewerk | Schaltungsanordnung zur messung kleiner kapazitaetsdifferenzen |
US4851760A (en) * | 1988-07-21 | 1989-07-25 | Sandvik Special Metals | Method and apparatus for measuring the straightness of tubes |
JP3233791B2 (ja) * | 1994-08-25 | 2001-11-26 | 株式会社山武 | 差動容量反転積分器及びこれを用いた静電容量変化量検出装置 |
WO2012005988A2 (en) | 2010-06-29 | 2012-01-12 | Sweeney Robert J | Cardiac contraction detection using information indicative of lead motion |
EP3438620B1 (en) * | 2017-08-02 | 2020-09-30 | Melexis Technologies NV | Closed-loop oscillator based sensor interface circuit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877416A (en) * | 1953-03-02 | 1959-03-10 | Marconi Wireless Telegraph Co | Phase measuring circuit arrangements |
US2968031A (en) * | 1955-02-24 | 1961-01-10 | North American Aviation Inc | Electronic micrometer |
GB859267A (en) * | 1959-06-25 | 1961-01-18 | Mullard Ltd | Improvements in or relating to measuring apparatus |
GB990928A (en) * | 1962-11-23 | 1965-05-05 | Ass Elect Ind | Improvements relating to apparatus for producing signals indicative of relative position |
US3312892A (en) * | 1964-05-04 | 1967-04-04 | Technology Instr Corp Of Calif | Contactless electrical transducer having moving parts |
GB1102783A (en) * | 1965-03-22 | 1968-02-07 | English Electric Co Ltd | Electrical signal phase comparator |
US3452274A (en) * | 1965-05-04 | 1969-06-24 | Doble Eng Co | Apparatus for measuring loss characteristics of dielectric test specimens including an electrical bridge with sine to square wave conversion means and integration means |
JPS5412824B2 (xx) * | 1972-04-20 | 1979-05-25 | ||
CA943187A (en) * | 1972-06-29 | 1974-03-05 | Her Majesty In Right Of Canada As Represented By The Minister Of The Env Ironment | Wood slope-of-grain indicator |
-
1973
- 1973-12-18 FR FR7345271A patent/FR2254779B1/fr not_active Expired
-
1974
- 1974-12-13 IT IT70629/74A patent/IT1027073B/it active
- 1974-12-13 SE SE7415687A patent/SE392967B/xx unknown
- 1974-12-16 GB GB5429674A patent/GB1473549A/en not_active Expired
- 1974-12-16 US US05/533,231 patent/US4011500A/en not_active Expired - Lifetime
- 1974-12-18 DE DE2459909A patent/DE2459909C3/de not_active Expired
- 1974-12-18 JP JP49145509A patent/JPS5093669A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2459909B2 (de) | 1978-04-20 |
FR2254779A1 (xx) | 1975-07-11 |
GB1473549A (en) | 1977-05-11 |
DE2459909C3 (de) | 1979-01-04 |
IT1027073B (it) | 1978-11-20 |
DE2459909A1 (de) | 1975-06-26 |
US4011500A (en) | 1977-03-08 |
JPS5093669A (xx) | 1975-07-25 |
FR2254779B1 (xx) | 1980-02-08 |
SE7415687L (xx) | 1975-06-19 |
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