JPS5576596A - Exposure amount displayer for x-ray camera - Google Patents
Exposure amount displayer for x-ray cameraInfo
- Publication number
- JPS5576596A JPS5576596A JP14938878A JP14938878A JPS5576596A JP S5576596 A JPS5576596 A JP S5576596A JP 14938878 A JP14938878 A JP 14938878A JP 14938878 A JP14938878 A JP 14938878A JP S5576596 A JPS5576596 A JP S5576596A
- Authority
- JP
- Japan
- Prior art keywords
- output
- condenser
- integrator
- detected
- circuit
- 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.)
- Granted
Links
Landscapes
- X-Ray Techniques (AREA)
- Radiography Using Non-Light Waves (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
PURPOSE: To perform exactly the setting of conditions without being affected by the luminous and phosphor characteristics of multiplying tube by the procedure in which the brightness of the output image of camera multiplying tube is detected, and then the detected output signal is integrated only for a period relating to the opening of shutter for displaying.
CONSTITUTION: The brightness of the output image of the image tube II is detected by the photoelectric multiplying tube pH and then put in the integrator I consisting of the amplifier A1, the condenser C1, the condenser C1, the resistance R0, and the amplifier A2. The shutter opening and closing signal of the cinecamera CA is put in the comparator A3 with non-inversion terminal, and the transistor Tr for controlling charge and discharge, connected through the resistor R1 to the condenser C1 of the integral circuit I in parallel, is controlled by the output of the comparator A3. The display circuit K which directs the output value of the integrator I consists of the diode D to hold the output peak value of the integrator I, the peak value- holding circuit H composed of the condenser C2, and the indicator M to direct the output value of the circuit H. Thus, the setting of conditions can be exactly performed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53149388A JPS6034800B2 (en) | 1978-11-30 | 1978-11-30 | Exposure amount display device in X-ray cinematography equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53149388A JPS6034800B2 (en) | 1978-11-30 | 1978-11-30 | Exposure amount display device in X-ray cinematography equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5576596A true JPS5576596A (en) | 1980-06-09 |
JPS6034800B2 JPS6034800B2 (en) | 1985-08-10 |
Family
ID=15474028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53149388A Expired JPS6034800B2 (en) | 1978-11-30 | 1978-11-30 | Exposure amount display device in X-ray cinematography equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6034800B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787098A (en) * | 1980-11-20 | 1982-05-31 | Hitachi Medical Corp | X-ray device |
-
1978
- 1978-11-30 JP JP53149388A patent/JPS6034800B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787098A (en) * | 1980-11-20 | 1982-05-31 | Hitachi Medical Corp | X-ray device |
Also Published As
Publication number | Publication date |
---|---|
JPS6034800B2 (en) | 1985-08-10 |
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