JPH0197206U - - Google Patents
Info
- Publication number
- JPH0197206U JPH0197206U JP19336987U JP19336987U JPH0197206U JP H0197206 U JPH0197206 U JP H0197206U JP 19336987 U JP19336987 U JP 19336987U JP 19336987 U JP19336987 U JP 19336987U JP H0197206 U JPH0197206 U JP H0197206U
- Authority
- JP
- Japan
- Prior art keywords
- cavity resonator
- sheet
- microwaves
- slit
- thickness
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
Landscapes
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Description
第１図は本考案の一実施例を示す概略斜視図、
第２図は同上による実測データを示すグラフ、第
３図は従来例の構造を示す概略斜視図である。
１……空胴共振器、２……スリツト、３……フ
レーム、４……シート状物、５……励振部、６…
…検出部、７ａ，７ｂ……遮蔽壁、８……小穴。
FIG. 1 is a schematic perspective view showing an embodiment of the present invention;
FIG. 2 is a graph showing actual measurement data according to the above, and FIG. 3 is a schematic perspective view showing the structure of a conventional example. DESCRIPTION OF SYMBOLS 1... Cavity resonator, 2... Slit, 3... Frame, 4... Sheet-like object, 5... Excitation part, 6...
...detection section, 7a, 7b...shielding wall, 8...small hole.
Claims (1)
て、該スリツトに誘電特性が既知のシート状物を
挿入自在とすると共に、空胴共振器の一端部に空
胴共振器をマイクロ波で励振する励振部を、他端
部にマイクロ波を検出する検出部をそれぞれ設け
てなる共振周波数又は透過マイクロ波強度の測定
手段と、該測定結果及び上記誘電特性からシート
状物の厚さを演算する手段とより成るシート状物
の厚さ測定装置。 A slit is provided across the center of the cavity resonator, and a sheet material with known dielectric properties can be freely inserted into the slit, and the cavity resonator is excited with microwaves at one end of the cavity resonator. a resonant frequency or transmitted microwave intensity measuring means comprising an excitation section for detecting microwaves and a detection section for detecting microwaves at the other end, and calculating the thickness of the sheet-like material from the measurement results and the dielectric properties. A device for measuring the thickness of a sheet-like material, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19336987U JPH0197206U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19336987U JPH0197206U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197206U true JPH0197206U (en) | 1989-06-28 |
Family
ID=31484163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19336987U Pending JPH0197206U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123614A (en) * | 1992-10-12 | 1994-05-06 | Nireco Corp | Device for measuring object to be measured using electromagnetic wave |
-
1987
- 1987-12-18 JP JP19336987U patent/JPH0197206U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123614A (en) * | 1992-10-12 | 1994-05-06 | Nireco Corp | Device for measuring object to be measured using electromagnetic wave |
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