JPS5556399A - X-ray camera - Google Patents
X-ray cameraInfo
- Publication number
- JPS5556399A JPS5556399A JP12938478A JP12938478A JPS5556399A JP S5556399 A JPS5556399 A JP S5556399A JP 12938478 A JP12938478 A JP 12938478A JP 12938478 A JP12938478 A JP 12938478A JP S5556399 A JPS5556399 A JP S5556399A
- Authority
- JP
- Japan
- Prior art keywords
- period
- photographing
- tube
- control circuit
- voltage
- 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
- 238000000605 extraction Methods 0.000 abstract 2
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Radiography Using Non-Light Waves (AREA)
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
PURPOSE: To permit the observation of image all the time by suppressing halation produced in television monitor during photographing period by approximating image signal level during photographing period to the level during clairvoyance period.
CONSTITUTION: A voltage proportional to tube voltage to be applied to X-ray tube is extracted from the extraction circuit 21, and then applied to the automatic exposure control circuit 23 and the partial pressure circuit 22. During clairvoyance period, the automatic exposure control circuit 23 is not operated and a voltage corresponding to tube current is extracted from the tube current extraction circuit 24 through the sliding terminal 24A. When making photographing, the automatic exposure control circuit 23 is operated and an output signal by which the proper exposure amount of film is reached is applied as a target voltage to the photographing tube inside the camera head 30.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12938478A JPS5556399A (en) | 1978-10-20 | 1978-10-20 | X-ray camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12938478A JPS5556399A (en) | 1978-10-20 | 1978-10-20 | X-ray camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5556399A true JPS5556399A (en) | 1980-04-25 |
Family
ID=15008237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12938478A Pending JPS5556399A (en) | 1978-10-20 | 1978-10-20 | X-ray camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5556399A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166244A (en) * | 1982-03-03 | 1983-10-01 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Roentgen-ray inspection device |
JPS6027846A (en) * | 1983-07-25 | 1985-02-12 | Hitachi Ltd | Control system of x-ray penetration image |
JPH02128476U (en) * | 1989-03-30 | 1990-10-23 |
-
1978
- 1978-10-20 JP JP12938478A patent/JPS5556399A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166244A (en) * | 1982-03-03 | 1983-10-01 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Roentgen-ray inspection device |
JPS6027846A (en) * | 1983-07-25 | 1985-02-12 | Hitachi Ltd | Control system of x-ray penetration image |
JPH0376698B2 (en) * | 1983-07-25 | 1991-12-06 | Hitachi Ltd | |
JPH02128476U (en) * | 1989-03-30 | 1990-10-23 |
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