GB1391800A - Circuit arrangement for an automatic exposure device - Google Patents

Circuit arrangement for an automatic exposure device

Info

Publication number
GB1391800A
GB1391800A GB5015472A GB5015472A GB1391800A GB 1391800 A GB1391800 A GB 1391800A GB 5015472 A GB5015472 A GB 5015472A GB 5015472 A GB5015472 A GB 5015472A GB 1391800 A GB1391800 A GB 1391800A
Authority
GB
United Kingdom
Prior art keywords
input
stage
signal
amplifier
output
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.)
Expired
Application number
GB5015472A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1391800A publication Critical patent/GB1391800A/en
Expired 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)
  • Exposure Control For Cameras (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
GB5015472A 1971-11-03 1972-10-31 Circuit arrangement for an automatic exposure device Expired GB1391800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2154539A DE2154539C3 (de) 1971-11-03 1971-11-03 Belichtungsautomaten-Schaltung eines Röntgendiagnostikapparates

Publications (1)

Publication Number Publication Date
GB1391800A true GB1391800A (en) 1975-04-23

Family

ID=5824034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5015472A Expired GB1391800A (en) 1971-11-03 1972-10-31 Circuit arrangement for an automatic exposure device

Country Status (6)

Country Link
US (1) US3821552A (https=)
JP (1) JPS4867671U (https=)
DE (1) DE2154539C3 (https=)
FR (1) FR2158438B1 (https=)
GB (1) GB1391800A (https=)
IT (1) IT975433B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2421243C3 (de) * 1974-05-02 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts
DE2511523A1 (de) * 1975-03-15 1976-09-23 Philips Patentverwaltung Roentgenanlage mit einer fernseheinrichtung und einem belichtungsautomaten
DE2825323C2 (de) * 1978-06-09 1986-03-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Belichtungsautomat für einen Röntgengenerator
ES2629096B1 (es) * 2015-12-31 2018-10-26 General Equipment For Medical Imaging, S.A. Topología de red de lectura

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675020A (en) * 1969-09-24 1972-07-04 Cgr Medical Corp X-ray tube control circuitry

Also Published As

Publication number Publication date
DE2154539C3 (de) 1974-10-10
DE2154539A1 (de) 1973-05-17
FR2158438B1 (https=) 1978-12-29
US3821552A (en) 1974-06-28
JPS4867671U (https=) 1973-08-28
IT975433B (it) 1974-07-20
DE2154539B2 (de) 1974-03-14
FR2158438A1 (https=) 1973-06-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee