JPS57162300A - X-ray automatic exposure control apparatus - Google Patents

X-ray automatic exposure control apparatus

Info

Publication number
JPS57162300A
JPS57162300A JP4756981A JP4756981A JPS57162300A JP S57162300 A JPS57162300 A JP S57162300A JP 4756981 A JP4756981 A JP 4756981A JP 4756981 A JP4756981 A JP 4756981A JP S57162300 A JPS57162300 A JP S57162300A
Authority
JP
Japan
Prior art keywords
image signal
visual field
exposure control
rays
lighting visual
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
Application number
JP4756981A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0423469B2 (enrdf_load_stackoverflow
Inventor
Ichiro Ogura
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 JP4756981A priority Critical patent/JPS57162300A/ja
Publication of JPS57162300A publication Critical patent/JPS57162300A/ja
Publication of JPH0423469B2 publication Critical patent/JPH0423469B2/ja
Granted 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
    • H05G1/38—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)
  • Closed-Circuit Television Systems (AREA)
JP4756981A 1981-03-31 1981-03-31 X-ray automatic exposure control apparatus Granted JPS57162300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4756981A JPS57162300A (en) 1981-03-31 1981-03-31 X-ray automatic exposure control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4756981A JPS57162300A (en) 1981-03-31 1981-03-31 X-ray automatic exposure control apparatus

Publications (2)

Publication Number Publication Date
JPS57162300A true JPS57162300A (en) 1982-10-06
JPH0423469B2 JPH0423469B2 (enrdf_load_stackoverflow) 1992-04-22

Family

ID=12778858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4756981A Granted JPS57162300A (en) 1981-03-31 1981-03-31 X-ray automatic exposure control apparatus

Country Status (1)

Country Link
JP (1) JPS57162300A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0423469B2 (enrdf_load_stackoverflow) 1992-04-22

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