FR2296314A1 - Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsions - Google Patents
Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsionsInfo
- Publication number
- FR2296314A1 FR2296314A1 FR7442718A FR7442718A FR2296314A1 FR 2296314 A1 FR2296314 A1 FR 2296314A1 FR 7442718 A FR7442718 A FR 7442718A FR 7442718 A FR7442718 A FR 7442718A FR 2296314 A1 FR2296314 A1 FR 2296314A1
- Authority
- FR
- France
- Prior art keywords
- pulse
- geiger
- counting circuit
- time base
- input frequency
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/02—Input circuits
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7442718A FR2296314A1 (fr) | 1974-12-24 | 1974-12-24 | Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7442718A FR2296314A1 (fr) | 1974-12-24 | 1974-12-24 | Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2296314A1 true FR2296314A1 (fr) | 1976-07-23 |
FR2296314B1 FR2296314B1 (fr) | 1977-05-20 |
Family
ID=9146591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7442718A Granted FR2296314A1 (fr) | 1974-12-24 | 1974-12-24 | Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsions |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2296314A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4243880A (en) * | 1977-01-19 | 1981-01-06 | Lkb-Produkter Ab | Method for measuring time determination in a radiation measuring instrument |
EP0204310A2 (fr) * | 1985-06-04 | 1986-12-10 | Hewlett-Packard Company | Méthode de mesure de la fréquence d'une oscillation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832635A (en) * | 1972-01-07 | 1974-08-27 | Canadian Nat Railway Co | Combined digital-analogue speedometer |
-
1974
- 1974-12-24 FR FR7442718A patent/FR2296314A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832635A (en) * | 1972-01-07 | 1974-08-27 | Canadian Nat Railway Co | Combined digital-analogue speedometer |
Non-Patent Citations (2)
Title |
---|
ARTICLE DE R.W. TOLMIE ET Q.BRISTOW: "A DIGITAL RETEMETER CONTROLLED BY THE INPUT DATA RATE" * |
REVUE US "I.E.E.E. TRANSACTIONS ON NUCLEAR SCIENCE", VOLUME NS-14 NO. 1, FEVRIER 1967, PAGES 158-161 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4243880A (en) * | 1977-01-19 | 1981-01-06 | Lkb-Produkter Ab | Method for measuring time determination in a radiation measuring instrument |
EP0204310A2 (fr) * | 1985-06-04 | 1986-12-10 | Hewlett-Packard Company | Méthode de mesure de la fréquence d'une oscillation |
EP0204310A3 (fr) * | 1985-06-04 | 1987-12-09 | Hewlett-Packard Company | Méthode de mesure de la fréquence d'une oscillation |
Also Published As
Publication number | Publication date |
---|---|
FR2296314B1 (fr) | 1977-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3482410D1 (en) | Strontium-rubidium infusionssystem. | |
CA917827A (en) | Neutron and gamma flux detector | |
CH508886A (fr) | Dispositif détecteur de neutrons | |
BE822727A (fr) | Tube cathodique a dispositif combine de blindage magnetique interne-externe et de demagnetisation | |
JPS5329787A (en) | Measuring device for radiation | |
NL154308B (nl) | Kernringloze hydrokinetische vloeistofkoppeling met constante vulling. | |
FR2296314A1 (fr) | Circuit de comptage d'impulsions a bases de temps variables en fonction de la frequence d'entree des impulsions | |
DK108506C (da) | Glas til dosimetre til måling af røntgen- og gammastråling. | |
CA970150A (en) | Method of scintillation counting using triarylboranes as scintillators | |
JPS51124981A (en) | A gamma ray scintillation detector | |
GB963642A (en) | Apparatus for the measurement of low levels of beta-radioactivity in liquids | |
ES295339A1 (es) | Dispositivo de control del tipo detector de radiaciones beta y gamma | |
GB1154825A (en) | A method of, and a device for, Determining the Isotope Content of a Uranium Component | |
SE385509B (sv) | Sett att bestemma rekneeffektivitet med hjelp av en apparat for detektion och rekning av vetskescintillationsstralning, jemte apparat for genomforande av settet | |
SE317528B (fr) | ||
ZA696783B (en) | Device for measuring the rate of energy loss and for detecting ionizing nuclear radiations against gamma-radiation background | |
GB932536A (en) | Improvements in or relating to arrangements for distinguishing between two radiations | |
GB1283627A (en) | Dosimeter for measuring ionizing radiation | |
CA699235A (en) | Fluid level detector and method | |
JPS5266455A (en) | Radiation thickness gauge | |
FR1537438A (fr) | Dispositif d'exploration d'éléments radioactifs par rayons gamma | |
GB1384943A (en) | Spectral analysis | |
GB1002738A (en) | Improvements in or relating to devices, in particular safety devices, responsive to pulses | |
NL6913193A (en) | Liquid scintillators to measure beta-ray - emissions of low energy | |
ES288197A1 (es) | Aparato para la medida de la densidad de suelos por transmisión de la radiación gamma |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |