JPH0373120B2 - - Google Patents
Info
- Publication number
- JPH0373120B2 JPH0373120B2 JP17407081A JP17407081A JPH0373120B2 JP H0373120 B2 JPH0373120 B2 JP H0373120B2 JP 17407081 A JP17407081 A JP 17407081A JP 17407081 A JP17407081 A JP 17407081A JP H0373120 B2 JPH0373120 B2 JP H0373120B2
- Authority
- JP
- Japan
- Prior art keywords
- ray
- signal
- output
- circuit
- over
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 52
- 230000003287 optical effect Effects 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 description 22
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 22
- 238000010586 diagram Methods 0.000 description 18
- 238000003384 imaging method Methods 0.000 description 16
- 238000002594 fluoroscopy Methods 0.000 description 12
- 210000001035 gastrointestinal tract Anatomy 0.000 description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 102220017114 rs150867836 Human genes 0.000 description 1
- 102220012898 rs397516346 Human genes 0.000 description 1
- 102220095348 rs876659304 Human genes 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
- H05G1/44—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- X-Ray Techniques (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17407081A JPS5875800A (ja) | 1981-10-30 | 1981-10-30 | Ｘ線自動露出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17407081A JPS5875800A (ja) | 1981-10-30 | 1981-10-30 | Ｘ線自動露出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5875800A JPS5875800A (ja) | 1983-05-07 |
| JPH0373120B2 true JPH0373120B2 (en]) | 1991-11-20 |
Family
ID=15972103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17407081A Granted JPS5875800A (ja) | 1981-10-30 | 1981-10-30 | Ｘ線自動露出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5875800A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217926A (ja) * | 1982-06-14 | 1983-12-19 | Hitachi Medical Corp | Ｘ線自動露出装置 |
| JPH0634399B2 (ja) * | 1985-08-12 | 1994-05-02 | 株式会社日立メデイコ | Ｘ線自動露出制御装置 |
| EP0362427B1 (de) * | 1988-10-05 | 1993-01-27 | Siemens Aktiengesellschaft | Röntgendiagnostikanlage mit einem Detektor für die mittlere Bildhelligkeit |
-
1981
- 1981-10-30 JP JP17407081A patent/JPS5875800A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5875800A (ja) | 1983-05-07 |
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