FR1168539A - Appareil pour déterminer la valeur moyenne d'une grandeur électrique qui varie en fonction du temps - Google Patents
Appareil pour déterminer la valeur moyenne d'une grandeur électrique qui varie en fonction du tempsInfo
- Publication number
- FR1168539A FR1168539A FR1168539DA FR1168539A FR 1168539 A FR1168539 A FR 1168539A FR 1168539D A FR1168539D A FR 1168539DA FR 1168539 A FR1168539 A FR 1168539A
- Authority
- FR
- France
- Prior art keywords
- varies
- determining
- function
- average value
- time
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
- H05G1/44—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
-
- 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
- G01R19/30—Measuring the maximum or the minimum value of current or voltage reached in a time interval
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
- G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
- G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
- G06G7/1865—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop with initial condition setting
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/26—Arbitrary function generators
- G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
- G06G7/78—Analogue computers for specific processes, systems or devices, e.g. simulators for direction-finding, locating, distance or velocity measuring, or navigation systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE816454X | 1956-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1168539A true FR1168539A (fr) | 1958-12-09 |
Family
ID=20345536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1168539D Expired FR1168539A (fr) | 1956-03-24 | 1957-01-31 | Appareil pour déterminer la valeur moyenne d'une grandeur électrique qui varie en fonction du temps |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE555198A (enrdf_load_stackoverflow) |
DE (1) | DE1050900B (enrdf_load_stackoverflow) |
FR (1) | FR1168539A (enrdf_load_stackoverflow) |
GB (1) | GB816454A (enrdf_load_stackoverflow) |
NL (1) | NL214704A (enrdf_load_stackoverflow) |
-
0
- BE BE555198D patent/BE555198A/xx unknown
- NL NL214704D patent/NL214704A/xx unknown
- DE DENDAT1050900D patent/DE1050900B/de active Pending
-
1957
- 1957-01-31 FR FR1168539D patent/FR1168539A/fr not_active Expired
- 1957-02-06 GB GB4094/57A patent/GB816454A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1050900B (enrdf_load_stackoverflow) | |
GB816454A (en) | 1959-07-15 |
BE555198A (enrdf_load_stackoverflow) | |
NL214704A (enrdf_load_stackoverflow) |
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