JPH0334311U - - Google Patents
Info
- Publication number
- JPH0334311U JPH0334311U JP9474589U JP9474589U JPH0334311U JP H0334311 U JPH0334311 U JP H0334311U JP 9474589 U JP9474589 U JP 9474589U JP 9474589 U JP9474589 U JP 9474589U JP H0334311 U JPH0334311 U JP H0334311U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- varactor
- signal
- self
- oscillation element
- 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
- 230000010355 oscillation Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図は本考案の一実施例による自己混合型発
振器の断面図、第２図はその斜視図、第３図はそ
の回路の一例を示す図、第４図は従来の距離セン
サの一例を示す図である。
１１……キヤビテイ、１３……バラクタダイオ
ード、１６……ガンダイオード、１９……ミキサ
ダイオード、２５……電源、２６……のこぎり波
発振器、２７……距離信号検知器。
Fig. 1 is a cross-sectional view of a self-mixing oscillator according to an embodiment of the present invention, Fig. 2 is a perspective view thereof, Fig. 3 is a diagram showing an example of its circuit, and Fig. 4 is an example of a conventional distance sensor. FIG. 11... Cavity, 13... Varactor diode, 16... Gunn diode, 19... Mixer diode, 25... Power supply, 26... Sawtooth wave oscillator, 27... Distance signal detector.
Claims (1)
センサに用いる自己混合型発振器であつて、 キヤビテイ内にマイクロ波の発振素子、バラク
タダイオード及びミキサダイオードを挿入し、前
記バラクタダイオードに交流信号を与えることに
より該発振素子より発振する信号をＦＭ変調する
と共に、前記ミキサダイオードによつて測定対象
からの反射波と発振信号との内部混合を行うよう
にしたことを特徴とするマイクロ波帯の自己混合
型発振器。[Claims for Utility Model Registration] A self-mixing oscillator used in a distance sensor using an FM-CW method using microwaves, which includes a microwave oscillation element, a varactor diode, and a mixer diode inserted in a cavity, and the varactor The device is characterized in that the signal oscillated by the oscillation element is FM-modulated by applying an alternating current signal to the diode, and the mixer diode internally mixes the reflected wave from the object to be measured and the oscillation signal. Microwave band self-mixing oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9474589U JPH0334311U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9474589U JPH0334311U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334311U true JPH0334311U (en) | 1991-04-04 |
Family
ID=31644059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9474589U Pending JPH0334311U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183985A (en) * | 1999-12-27 | 2001-07-06 | A & D Co Ltd | Housing structure of simple explanation plate |
-
1989
- 1989-08-11 JP JP9474589U patent/JPH0334311U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183985A (en) * | 1999-12-27 | 2001-07-06 | A & D Co Ltd | Housing structure of simple explanation plate |
| JP4482189B2 (en) * | 1999-12-27 | 2010-06-16 | 株式会社エー・アンド・デイ | Plate storage structure |