JPS54142989A - Automatic aging unit - Google Patents
Automatic aging unitInfo
- Publication number
- JPS54142989A JPS54142989A JP5008378A JP5008378A JPS54142989A JP S54142989 A JPS54142989 A JP S54142989A JP 5008378 A JP5008378 A JP 5008378A JP 5008378 A JP5008378 A JP 5008378A JP S54142989 A JPS54142989 A JP S54142989A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- operational amplifier
- control circuit
- voltage
- current
- 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
Abstract
PURPOSE: To automatize the operation by attaining aging under the experimentally- obtained conditions, by providing a tube-voltage control circuit which controls freely a X-ray tube-voltage and its current, a tube-current control circuit, and a control-signal generating circuit which supplies signals to them.
CONSTITUTION: The tube-voltage control circuit for a X-ray tube is composed of operational amplifier AP1 for an inverter, summing operational amplifier AP2, operational amplifier AP3 for comparison, NOR gates NR1 and NR2, monostable multivibrator MM1, pulse generator PG1, transistors, and an inverter. The tube- current control circuit, on the other hand, is composed of a rectifier, a pluse generator, a pulse transformer, an error-amplifying operational amplifier, other transistors, etc. In the above constitution, the tube current is set to a value which satisfies the perspective conditions and exposure is carried out by varying the tube voltage from the minimum value to the maximum value to fix the conditions, thereby attaining the program operation.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5008378A JPS54142989A (en) | 1978-04-28 | 1978-04-28 | Automatic aging unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5008378A JPS54142989A (en) | 1978-04-28 | 1978-04-28 | Automatic aging unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54142989A true JPS54142989A (en) | 1979-11-07 |
JPH0216531B2 JPH0216531B2 (en) | 1990-04-17 |
Family
ID=12849117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5008378A Granted JPS54142989A (en) | 1978-04-28 | 1978-04-28 | Automatic aging unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54142989A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111998A (en) * | 1980-11-18 | 1982-07-12 | Gen Electric | Device for controlling x-ray tube |
JPH01217831A (en) * | 1988-02-24 | 1989-08-31 | Rigaku Denki Kk | Automatic ageing device for open type x-ray tube |
JPH08124696A (en) * | 1994-10-24 | 1996-05-17 | Sumitomo Metal Ind Ltd | Aging method of x-ray generator |
-
1978
- 1978-04-28 JP JP5008378A patent/JPS54142989A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111998A (en) * | 1980-11-18 | 1982-07-12 | Gen Electric | Device for controlling x-ray tube |
JPH01217831A (en) * | 1988-02-24 | 1989-08-31 | Rigaku Denki Kk | Automatic ageing device for open type x-ray tube |
JPH08124696A (en) * | 1994-10-24 | 1996-05-17 | Sumitomo Metal Ind Ltd | Aging method of x-ray generator |
Also Published As
Publication number | Publication date |
---|---|
JPH0216531B2 (en) | 1990-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5413919A (en) | Preventive controller for torque pulsation | |
JPS5413653A (en) | Air dehumidifying method | |
JPS54142989A (en) | Automatic aging unit | |
JPS5586373A (en) | Gate control system for thyristor converter | |
JPS5424587A (en) | X-ray unit | |
JPS5490528A (en) | Digital-controlling power converter | |
JPS53148040A (en) | Emulsion fuel supplying device | |
JPS5317932A (en) | Electric current source circuit | |
JPS55148398A (en) | X-ray camera | |
FR2415416A1 (en) | RADIOLOGICAL GENERATOR FOR RADIODIAGNOSIS DEVICE | |
JPS51114593A (en) | Method and device for controlling reactor operation | |
JPS53122695A (en) | Method of controlling ozonizer power source device | |
JPS5586096A (en) | X-ray photographing apparatus | |
GB2021810A (en) | X-ray tube filament current predictive control circuit | |
JPS526927A (en) | Transformer control device | |
JPS53117128A (en) | Heater control circuit for auto-choke | |
JPS53109122A (en) | Inverter control device at momentary power off | |
JPS54891A (en) | Driving device for rotary anode x-ray tube | |
JPS52110444A (en) | Controller for frequency converter | |
JPS53117708A (en) | One transistor dc to dc converter | |
JPS5713996A (en) | Controlling method of inverter | |
JPS52132662A (en) | Pulse oscillator | |
FR2411536A1 (en) | Control circuit for heating current in X=ray tube - uses current calculations from tube voltages and currents normally used, and from specified factor | |
JPS53126656A (en) | Apparatus for operating elevator at the time of interruption of power suppl y | |
JPS5229930A (en) | Inverter apparatus having a constant voltage transformer |