JPS57118400A - X-ray apparatus - Google Patents

X-ray apparatus

Info

Publication number
JPS57118400A
JPS57118400A JP269381A JP269381A JPS57118400A JP S57118400 A JPS57118400 A JP S57118400A JP 269381 A JP269381 A JP 269381A JP 269381 A JP269381 A JP 269381A JP S57118400 A JPS57118400 A JP S57118400A
Authority
JP
Japan
Prior art keywords
voltage
tube
setting
duty
chopper
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
Application number
JP269381A
Other languages
Japanese (ja)
Inventor
Teruaki Ohazama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP269381A priority Critical patent/JPS57118400A/en
Publication of JPS57118400A publication Critical patent/JPS57118400A/en
Pending legal-status Critical Current

Links

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
    • H05G1/32—Supply voltage of the X-ray apparatus or tube

Abstract

PURPOSE:To stably maintain the tube fluctuation of an X-ray tube, by providing a feedback controlling means which controls the duty-ratio of a chopper by means of the differential voltage between a setting tube voltage and an exposure tube voltage of the X-ray tube in an X-ray apparatus. CONSTITUTION:A feedback controlling means 36 which is composed of the following three circuits 53, 54 and 55 is provided; an operation circuit 53 which operates the differential voltage between the exposure voltage divided from high voltage bleeder resistances 51 and 52 set in an X-ray tube 35 and the first setting tube voltage by means of the first voltage setting terminal 57; a duty-ratio setting circuit 54 which sets the duty-ratio of a chopper 37 by the differential voltage of the output from the operation circuit 53 and by the second setting tube voltage which is preset in accordance with the setting tube current of the X-ray tube 35 fed as input from the second setting tube voltage; a chopper driving circuit 55 which drives the chopper by means of the output signal of the duty-ratio setting circuit 54. And, the duty-ratio of a chopper 31 can be controlled by detecting the exposure tube voltage of an X-ray tube 35. By doing this, the fluctuation of a tube voltage is kept stably.
JP269381A 1981-01-13 1981-01-13 X-ray apparatus Pending JPS57118400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP269381A JPS57118400A (en) 1981-01-13 1981-01-13 X-ray apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP269381A JPS57118400A (en) 1981-01-13 1981-01-13 X-ray apparatus

Publications (1)

Publication Number Publication Date
JPS57118400A true JPS57118400A (en) 1982-07-23

Family

ID=11536351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP269381A Pending JPS57118400A (en) 1981-01-13 1981-01-13 X-ray apparatus

Country Status (1)

Country Link
JP (1) JPS57118400A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118787A (en) * 1978-03-08 1979-09-14 Toshiba Corp X-ray device
JPS5530102A (en) * 1978-08-22 1980-03-03 Toshiba Corp X-ray generating circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118787A (en) * 1978-03-08 1979-09-14 Toshiba Corp X-ray device
JPS5530102A (en) * 1978-08-22 1980-03-03 Toshiba Corp X-ray generating circuit

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