JPH02114018U - - Google Patents
Info
- Publication number
- JPH02114018U JPH02114018U JP2269489U JP2269489U JPH02114018U JP H02114018 U JPH02114018 U JP H02114018U JP 2269489 U JP2269489 U JP 2269489U JP 2269489 U JP2269489 U JP 2269489U JP H02114018 U JPH02114018 U JP H02114018U
- Authority
- JP
- Japan
- Prior art keywords
- data
- detector
- ray
- channel
- converted
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
第１図はこの考案の１実施例を示した構成ブロ
ツク図、第２図は従来例とこの考案との検出器各
チヤンネルデータの読み出し例の説明図、第３図
は連続した入射Ｘ線とＡ／Ｄ変換とのタイミング
例示図である。
１４は検出器、１８はマルチプレクサ、２２は
Ａ／Ｄ変換器、３０はコントローラ、３２はチヤ
ネル切りかえ回路、３４はＡ／Ｄ変換制御回路で
ある。
Fig. 1 is a configuration block diagram showing one embodiment of this invention, Fig. 2 is an explanatory diagram of an example of reading data of each channel of the detector in the conventional example and this invention, and Fig. 3 shows continuous incident X-rays and It is a timing example diagram with A/D conversion. 14 is a detector, 18 is a multiplexer, 22 is an A/D converter, 30 is a controller, 32 is a channel switching circuit, and 34 is an A/D conversion control circuit.
Claims (1)
タ収集装置において、検出器の各チヤンネルから
のデータをＡ／Ｄ変換するに際し、検出器のリフ
アレンスチヤンネルからのデータを検出器の中心
付近のチヤンネルからのデータの読み出しの直前
または直後に読み出してＡ／Ｄ変換させる制御手
段を具備していることを特徴とする、Ｘ線ＣＴの
データ収集装置。 In an X-ray CT data acquisition device where X-ray irradiation is performed continuously, when data from each channel of the detector is A/D converted, the data from the reference channel of the detector is converted to data near the center of the detector. 1. An X-ray CT data acquisition device, comprising control means for reading data from a channel immediately before or after reading it and A/D converting it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2269489U JPH02114018U (en) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2269489U JPH02114018U (en) | 1989-02-27 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114018U true JPH02114018U (en) | 1990-09-12 |
Family
ID=31241036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2269489U Pending JPH02114018U (en) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114018U (en) |
-
1989
- 1989-02-27 JP JP2269489U patent/JPH02114018U/ja active Pending
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