JPS6180498U - - Google Patents
Info
- Publication number
- JPS6180498U JPS6180498U JP16614784U JP16614784U JPS6180498U JP S6180498 U JPS6180498 U JP S6180498U JP 16614784 U JP16614784 U JP 16614784U JP 16614784 U JP16614784 U JP 16614784U JP S6180498 U JPS6180498 U JP S6180498U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- leaf
- ray
- collimator
- size
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Radiography Using Non-Light Waves (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
第１図は本考案の１実施例を示す系統ブロツク
図、第２図は従来例による同様図である。
１０はエンコーダ、１２はＲＯＭ、１４はＤ／
Ａ変換器、１６は比較器、１８は増幅器、２０は
モータ、２２はポテンシヨメータである。
FIG. 1 is a system block diagram showing one embodiment of the present invention, and FIG. 2 is a similar diagram of a conventional example. 10 is an encoder, 12 is a ROM, 14 is a D/
A converter, 16 a comparator, 18 an amplifier, 20 a motor, and 22 a potentiometer.
Claims (1)
矩形リーフ開き量がリーフの開き位置検出手段と
リーフ駆動手段により制御されるようにしたＸ線
絞り装置において、フイルムサイズのデータをデ
ジタル値として取込む手段と、ＲＯＭと、Ｄ／Ａ
変換器との組合わせからなり、Ｄ／Ａ変換器の出
力がフイルムサイズに対応していることを特徴と
する、Ｘ線絞り装置。 (2) コリメータ内で，用円形リーフ開き量
も同様に制御されるようにして、，の視野サ
イズのデータをデジタル値として取込む手段と、
別のＲＯＭと、別のＤ／Ａ変換器とを組合わせ、
このＤ／Ａ変換器が，の視野サイズに対応し
ていることを特徴とする、実用新案登録請求の範
囲第１項記載のＸ線絞り装置。 (3) デジタル値取込み手段がホトセンサとエン
コーダとからなることを特徴とする、実用新案登
録請求の範囲第１項及び第２項に記載のＸ線絞り
装置。[Scope of Claim for Utility Model Registration] (1) In an X-ray aperture device in which the rectangular leaf opening amount corresponding to the film size in the collimator is controlled by leaf opening position detection means and leaf driving means, Means for importing data as digital values, ROM, and D/A
An X-ray aperture device comprising a converter and an output of the D/A converter corresponding to the film size. (2) means for capturing data of the field of view size as a digital value so that the opening amount of the circular leaf is similarly controlled within the collimator;
Combine another ROM and another D/A converter,
The X-ray diaphragm device according to claim 1, wherein the D/A converter corresponds to a field of view size of . (3) The X-ray diaphragm device according to claims 1 and 2 of the utility model registration claim, characterized in that the digital value acquisition means comprises a photo sensor and an encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16614784U JPS6180498U (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16614784U JPS6180498U (en) | 1984-10-31 | 1984-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180498U true JPS6180498U (en) | 1986-05-28 |
Family
ID=30723979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16614784U Pending JPS6180498U (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359608U (en) * | 1986-09-30 | 1988-04-20 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522183A (en) * | 1975-06-16 | 1977-01-08 | Machlett Lab Inc | Xxray camera device |
-
1984
- 1984-10-31 JP JP16614784U patent/JPS6180498U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522183A (en) * | 1975-06-16 | 1977-01-08 | Machlett Lab Inc | Xxray camera device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359608U (en) * | 1986-09-30 | 1988-04-20 |
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