IT1087097B - Dispositivo misuratore impiegante un convertitore da analogico a digitale - Google Patents
Dispositivo misuratore impiegante un convertitore da analogico a digitaleInfo
- Publication number
- IT1087097B IT1087097B IT28999/77A IT2899977A IT1087097B IT 1087097 B IT1087097 B IT 1087097B IT 28999/77 A IT28999/77 A IT 28999/77A IT 2899977 A IT2899977 A IT 2899977A IT 1087097 B IT1087097 B IT 1087097B
- Authority
- IT
- Italy
- Prior art keywords
- analog
- digital converter
- meter device
- meter
- converter
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
- G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
- G01D3/024—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation for range change; Arrangements for substituting one sensing member by another
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/08—Circuits for altering the measuring range
- G01R15/09—Autoranging circuits
-
- 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
- H03M1/34—Analogue value compared with reference values
- H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
- H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
-
- 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
- H03M1/56—Input signal compared with linear ramp
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Technology Law (AREA)
- Nonlinear Science (AREA)
- Measurement Of Radiation (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2648635A DE2648635C2 (de) | 1976-10-27 | 1976-10-27 | Meßanordnung mit einem Analog-Digital-Wandler |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1087097B true IT1087097B (it) | 1985-05-31 |
Family
ID=5991532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28999/77A IT1087097B (it) | 1976-10-27 | 1977-10-26 | Dispositivo misuratore impiegante un convertitore da analogico a digitale |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU3006077A (it) |
DE (1) | DE2648635C2 (it) |
FR (1) | FR2369569A1 (it) |
IT (1) | IT1087097B (it) |
NL (1) | NL7711631A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439975A1 (fr) * | 1978-10-23 | 1980-05-23 | Otdel Fiz Nerazrushajuschego | Dispositif pour la mesure d'epaisseurs de revetements |
DE3426617A1 (de) * | 1984-07-19 | 1986-01-23 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Bereichsfortschalter fuer messgeraete |
US4635057A (en) * | 1985-06-24 | 1987-01-06 | Caterpillar Inc. | Remote sensor with compensation for lead resistance |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2062241B2 (de) * | 1970-12-17 | 1974-11-14 | Karl Dr.Habil. 8120 Weilheim Slevogt | Meßgerät mit automatscher Bereichsumschaltung |
SE365920B (it) * | 1972-08-30 | 1974-04-01 | B Max | |
JPS5039863A (it) * | 1973-07-06 | 1975-04-12 | ||
DE2647275A1 (de) * | 1975-11-07 | 1977-05-12 | Motorola Inc | Parallel-kaskaden-analog-digital- wandler |
-
1976
- 1976-10-27 DE DE2648635A patent/DE2648635C2/de not_active Expired
-
1977
- 1977-10-24 NL NL7711631A patent/NL7711631A/xx not_active Application Discontinuation
- 1977-10-26 IT IT28999/77A patent/IT1087097B/it active
- 1977-10-26 AU AU30060/77A patent/AU3006077A/en active Pending
- 1977-10-27 FR FR7732409A patent/FR2369569A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2648635B1 (de) | 1978-01-19 |
NL7711631A (nl) | 1978-05-02 |
DE2648635C2 (de) | 1978-09-28 |
FR2369569A1 (fr) | 1978-05-26 |
AU3006077A (en) | 1979-05-03 |
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