NL6515146A - - Google Patents
Info
- Publication number
- NL6515146A NL6515146A NL6515146A NL6515146A NL6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- 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
- G06G7/18—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR998445A FR1426248A (en) | 1964-12-14 | 1964-12-14 | Ultrasonic device for measuring the thickness of objects |
| FR998444A FR1426247A (en) | 1964-12-14 | 1964-12-14 | Analog calculation method and circuit |
| FR34504A FR88895E (en) | 1965-10-11 | 1965-10-11 | Ultrasonic device for measuring the thickness of objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6515146A true NL6515146A (en) | 1966-06-15 |
Family
ID=27242612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6515146A NL6515146A (en) | 1964-12-14 | 1965-11-22 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH445136A (en) |
| DE (1) | DE1473849A1 (en) |
| GB (1) | GB1136602A (en) |
| NL (1) | NL6515146A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8002888A (en) * | 1980-05-19 | 1981-12-16 | Neratoom | SYSTEM FOR MEASURING THE WALL THICKNESS OF A MEASURING OBJECT. |
| DE3129943C2 (en) * | 1981-07-29 | 1986-09-25 | Naučno-proizvodstvennoe ob"edinenie po technologii mašinostroenija CNIITMAŠ, Moskau/Moskva | Ultrasonic testing device |
-
1965
- 1965-11-22 NL NL6515146A patent/NL6515146A/xx unknown
- 1965-12-11 DE DE19651473849 patent/DE1473849A1/en active Pending
- 1965-12-13 CH CH1716765A patent/CH445136A/en unknown
- 1965-12-14 GB GB5311565A patent/GB1136602A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH445136A (en) | 1967-10-15 |
| DE1473849A1 (en) | 1968-12-05 |
| GB1136602A (en) | 1968-12-11 |