FI98037B - Method for measuring exposure values of an X-ray imaging device for automatic control of the image values - Google Patents

Method for measuring exposure values of an X-ray imaging device for automatic control of the image values

Info

Publication number
FI98037B
FI98037B FI943403A FI943403A FI98037B FI 98037 B FI98037 B FI 98037B FI 943403 A FI943403 A FI 943403A FI 943403 A FI943403 A FI 943403A FI 98037 B FI98037 B FI 98037B
Authority
FI
Finland
Prior art keywords
values
imaging device
automatic control
ray imaging
measuring exposure
Prior art date
Application number
FI943403A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI943403A0 (en
FI98037C (en
FI943403A (en
Inventor
Juha Koivisto
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI943403A priority Critical patent/FI98037C/en
Publication of FI943403A0 publication Critical patent/FI943403A0/en
Priority to DE19525376A priority patent/DE19525376A1/en
Publication of FI943403A publication Critical patent/FI943403A/en
Application granted granted Critical
Publication of FI98037B publication Critical patent/FI98037B/en
Publication of FI98037C publication Critical patent/FI98037C/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FI943403A 1994-07-18 1994-07-18 Method for measuring exposure values of an X-ray imaging device for automatic control of the image values FI98037C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI943403A FI98037C (en) 1994-07-18 1994-07-18 Method for measuring exposure values of an X-ray imaging device for automatic control of the image values
DE19525376A DE19525376A1 (en) 1994-07-18 1995-07-12 X ray imaging apparatus illumination value measurement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI943403A FI98037C (en) 1994-07-18 1994-07-18 Method for measuring exposure values of an X-ray imaging device for automatic control of the image values
FI943403 1994-07-18

Publications (4)

Publication Number Publication Date
FI943403A0 FI943403A0 (en) 1994-07-18
FI943403A FI943403A (en) 1996-01-19
FI98037B true FI98037B (en) 1996-12-13
FI98037C FI98037C (en) 1997-03-25

Family

ID=8541111

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943403A FI98037C (en) 1994-07-18 1994-07-18 Method for measuring exposure values of an X-ray imaging device for automatic control of the image values

Country Status (2)

Country Link
DE (1) DE19525376A1 (en)
FI (1) FI98037C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536489C1 (en) * 1995-09-29 1997-04-10 Siemens Ag X=ray diagnostic device with CCD image converter
US5694449A (en) * 1996-05-20 1997-12-02 General Electric Company Method and system for detecting and correcting erroneous exposures generated during x-ray imaging
US5751783A (en) * 1996-12-20 1998-05-12 General Electric Company Detector for automatic exposure control on an x-ray imaging system
US5896169A (en) * 1997-09-16 1999-04-20 Philips Electronics North America Corporation Video level measuring apparatus for X-ray imaging systems

Also Published As

Publication number Publication date
FI943403A0 (en) 1994-07-18
DE19525376A1 (en) 1996-01-25
FI98037C (en) 1997-03-25
FI943403A (en) 1996-01-19

Similar Documents

Publication Publication Date Title
DE69734641D1 (en) X-ray imaging system with an image detector
DE69635303D1 (en) X-RAY RADIATION IMAGE SENSOR
EP0743573A3 (en) Method for obtaining image contrast migration imaging members
FI924814A0 (en) MEDICAL INSTRUCTIONS FOR AUTOMATIC EXPOSURE
FI956003A (en) Automatic exposure of the X-ray imaging device
EP0488442A3 (en) Automatic exposure control for an image divided into zones
FI912180A0 (en) Method and apparatus for panoramic radiography
SG59877G (en) Automatic exposure control apparatus for daylight/underwater camera
FI920937A (en) Image plate for dental X-ray photography and method for removing the image plate from its protection
FI910739A0 (en) Method and apparatus for panoramic radiography
GB2204705B (en) Exposure device for an image recording apparatus
FI843039A0 (en) Automatic exposure device for panoramic X-ray imaging device
DE3172939D1 (en) Semiconductor radiation sensor arrangement for an automatic x-ray exposure control apparatus
GB2241588B (en) Exposure control device for camera
FI98037B (en) Method for measuring exposure values of an X-ray imaging device for automatic control of the image values
DK0582252T3 (en) Pre-exposure device for photosensitive imaging imaging elements
FI943404A0 (en) Method and apparatus for controlling the image values of a panoramic X-ray device
DE69628971D1 (en) X-ray image intensifier tube apparatus
GB9212998D0 (en) Testing device for electrophotographic imaging apparatus
DE69028681D1 (en) Photosensitive member, electrophotographic apparatus and imaging method using the same
NO302640B1 (en) Device for measuring image quality
FI952313A (en) A method for automatically adjusting exposure values in a linear tomography imaging device
FI970335A (en) Method for taking X-ray images or exposures or other types of radiation detection, such as electronic image recording, and a patient table with a receiving unit for such photography, exposure, or image recording
FI90618B (en) Exposure control for panoramic X-ray devices
GB9208350D0 (en) Exposure control apparatus of camera

Legal Events

Date Code Title Description
FG Patent granted

Owner name: INSTRUMENTARIUM OY

BB Publication of examined application