BE780670A - Functiegenerator en onderdelen daarvan - Google Patents
Functiegenerator en onderdelen daarvanInfo
- Publication number
- BE780670A BE780670A BE780670A BE780670A BE780670A BE 780670 A BE780670 A BE 780670A BE 780670 A BE780670 A BE 780670A BE 780670 A BE780670 A BE 780670A BE 780670 A BE780670 A BE 780670A
- Authority
- BE
- Belgium
- Prior art keywords
- functiegenerator
- daarvan
- onderdelen
- onderdelen daarvan
- Prior art date
Links
Classifications
-
- 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
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
- H03K5/05—Shaping pulses by increasing duration; by decreasing duration by the use of clock signals or other time reference signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/008—Schlatter vibrating vane type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Nonlinear Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Feedback Control In General (AREA)
- Analogue/Digital Conversion (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12407071A | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE780670A true BE780670A (fr) | 1972-09-15 |
Family
ID=22412563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE780670A BE780670A (fr) | 1971-03-15 | 1972-03-15 | Functiegenerator en onderdelen daarvan |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3735633A (fr) |
| JP (1) | JPS5242065B1 (fr) |
| BE (1) | BE780670A (fr) |
| CH (1) | CH554539A (fr) |
| DE (1) | DE2211971A1 (fr) |
| FR (1) | FR2130249B1 (fr) |
| GB (2) | GB1383953A (fr) |
| IT (1) | IT950143B (fr) |
| NL (1) | NL7203422A (fr) |
| SE (1) | SE368623B (fr) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE268353C (fr) * | 1947-09-02 | |||
| SU129357A1 (ru) * | 1959-06-27 | 1959-11-30 | Ю.И. Иориш | Прибор дл измерени расхода потока жидкости |
| US3117440A (en) * | 1960-09-12 | 1964-01-14 | Lockheed Aircraft Corp | Densitometer |
| FR1287559A (fr) * | 1961-02-01 | 1962-03-16 | Rochar Electronique | Procédé et dispositif de mesure de la densité d'un fluide |
| US3426593A (en) * | 1965-12-23 | 1969-02-11 | Robert B Jacobs | Vibrating transducer for flow and related measurements |
| GB1158790A (en) * | 1965-12-29 | 1969-07-16 | Solartron Electronic Group | Improvements in Fluid Density Meters |
| US3307408A (en) * | 1966-08-10 | 1967-03-07 | Int Research & Dev Co Ltd | Synchronous filter apparatus in which pass-band automatically tracks signal, useful for vibration analysis |
| US3523446A (en) * | 1967-03-21 | 1970-08-11 | Kratky Otto Dr Dr E H | Device for density determination |
| GB1266289A (fr) * | 1970-06-10 | 1972-03-08 |
-
1971
- 1971-03-15 US US00124070A patent/US3735633A/en not_active Expired - Lifetime
-
1972
- 1972-03-06 SE SE02790/72A patent/SE368623B/xx unknown
- 1972-03-09 CH CH349472A patent/CH554539A/xx not_active IP Right Cessation
- 1972-03-10 JP JP47024104A patent/JPS5242065B1/ja active Pending
- 1972-03-13 DE DE19722211971 patent/DE2211971A1/de active Pending
- 1972-03-14 GB GB2725174A patent/GB1383953A/en not_active Expired
- 1972-03-14 IT IT21791/72A patent/IT950143B/it active
- 1972-03-14 GB GB1182472A patent/GB1383951A/en not_active Expired
- 1972-03-15 BE BE780670A patent/BE780670A/fr unknown
- 1972-03-15 FR FR7208963A patent/FR2130249B1/fr not_active Expired
- 1972-03-15 NL NL7203422A patent/NL7203422A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH554539A (de) | 1974-09-30 |
| FR2130249B1 (fr) | 1976-10-29 |
| JPS5242065B1 (fr) | 1977-10-21 |
| IT950143B (it) | 1973-06-20 |
| FR2130249A1 (fr) | 1972-11-03 |
| NL7203422A (fr) | 1972-09-19 |
| SE368623B (fr) | 1974-07-08 |
| DE2211971A1 (de) | 1972-09-21 |
| US3735633A (en) | 1973-05-29 |
| GB1383951A (en) | 1974-02-12 |
| GB1383953A (en) | 1974-02-12 |
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