CN117043641A - 脉冲整形器电路 - Google Patents

脉冲整形器电路 Download PDF

Info

Publication number
CN117043641A
CN117043641A CN202280023742.9A CN202280023742A CN117043641A CN 117043641 A CN117043641 A CN 117043641A CN 202280023742 A CN202280023742 A CN 202280023742A CN 117043641 A CN117043641 A CN 117043641A
Authority
CN
China
Prior art keywords
integrator
output
threshold
ray
circuit
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
CN202280023742.9A
Other languages
English (en)
Chinese (zh)
Inventor
C·赫尔曼
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN117043641A publication Critical patent/CN117043641A/zh
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • G01T1/171Compensation of dead-time counting losses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/24Measuring radiation intensity with semiconductor detectors
    • G01T1/247Detector read-out circuitry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914Measurement of spatial distribution of radiation
    • G01T1/2921Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2928Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
CN202280023742.9A 2021-03-22 2022-03-17 脉冲整形器电路 Pending CN117043641A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21163924.0 2021-03-22
EP21163924.0A EP4063918A1 (en) 2021-03-22 2021-03-22 Pulse shaper circuit
PCT/EP2022/056954 WO2022200161A1 (en) 2021-03-22 2022-03-17 Pulse shaper circuit

Publications (1)

Publication Number Publication Date
CN117043641A true CN117043641A (zh) 2023-11-10

Family

ID=75143499

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280023742.9A Pending CN117043641A (zh) 2021-03-22 2022-03-17 脉冲整形器电路

Country Status (5)

Country Link
US (1) US20240168179A1 (https=)
EP (2) EP4063918A1 (https=)
JP (1) JP7802090B2 (https=)
CN (1) CN117043641A (https=)
WO (1) WO2022200161A1 (https=)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2847676B1 (fr) * 2002-11-25 2005-02-11 Commissariat Energie Atomique Cuircuit de traitement ameliore pour chaine de spectrometrie et chaine de spectrometrie utilisant un tel circuit
US20100193700A1 (en) * 2007-06-01 2010-08-05 Koninklijke Philips Electronics N.V. Spectral photon counting detector
US9335424B2 (en) * 2007-06-19 2016-05-10 Koninklijke Philips N.V. Spectral photon counting detector
US20090008564A1 (en) * 2007-07-05 2009-01-08 Cmt Medical Technologies Ltd. Modular X-Ray Detector With Single Photon Counting, Energy Sensitivity And Integration Capabilities
KR101871361B1 (ko) * 2011-11-01 2018-08-03 삼성전자주식회사 고해상도 및 고대조도 영상을 동시에 생성하기 위한 광자 계수 검출 장치 및 방법
RU2014143053A (ru) * 2012-03-27 2016-05-20 Конинклейке Филипс Н.В. Обычная визуализация посредством системы визуализации, содержащей детекторы для счета фотонов
CN104220900B (zh) * 2012-03-27 2017-05-17 皇家飞利浦有限公司 高通量光子计数探测器电子器件
JP2014049983A (ja) * 2012-08-31 2014-03-17 Canon Inc 放射線撮像装置、その制御方法及びプログラム
EP2932299B1 (en) * 2012-12-14 2019-03-27 Koninklijke Philips N.V. Detector unit with pulse shaper
JP2015065531A (ja) * 2013-09-24 2015-04-09 株式会社東芝 信号処理装置および信号処理方法
EP3281041B1 (en) * 2015-04-07 2020-06-10 Shenzhen Xpectvision Technology Co., Ltd. Methods of making semiconductor x-ray detector
US9588239B2 (en) * 2015-04-22 2017-03-07 Analogic Corporation Data acquisition system of photon counting detector array
CN107850682B (zh) * 2015-07-13 2021-07-27 皇家飞利浦有限公司 高能量分辨率/高x射线通量光子计数探测器
JP7041079B6 (ja) * 2016-06-16 2022-05-30 コーニンクレッカ フィリップス エヌ ヴェ スペクトル放射線ディテクターにおける改善された光子カウント
US10690448B2 (en) * 2017-01-20 2020-06-23 Raytheon Company Method and apparatus for variable time pulse sampling
US10067240B1 (en) * 2017-03-06 2018-09-04 Prismatic Sensors Ab X-ray detector system based on photon counting
EP3385756A1 (en) * 2017-04-06 2018-10-10 Koninklijke Philips N.V. Pulse shaper
KR20210008044A (ko) * 2018-06-08 2021-01-20 에이에스엠엘 네델란즈 비.브이. 현미경을 위한 반도체 하전 입자 검출기
US11681053B1 (en) * 2020-06-10 2023-06-20 Actev Motors. Inc. Methods, systems, and devices for monitoring cumulative radiation

Also Published As

Publication number Publication date
JP2024512009A (ja) 2024-03-18
EP4314901B1 (en) 2025-10-22
EP4314901A1 (en) 2024-02-07
US20240168179A1 (en) 2024-05-23
WO2022200161A1 (en) 2022-09-29
EP4063918A1 (en) 2022-09-28
JP7802090B2 (ja) 2026-01-19

Similar Documents

Publication Publication Date Title
US11726215B2 (en) Total time-over-threshold (TTOT) processing for a photon-counting x-ray detector
US8237128B2 (en) Apparatus, imaging device and method for counting X-ray photons
US9867580B2 (en) X-ray imaging based on image data from a photon-counting multi-bin X-ray detector
JP6211582B2 (ja) 画像化システム及び方法
US9952333B2 (en) Hybrid photon counting data acquisition system
US10098595B2 (en) Low power photon counting system
US9645260B2 (en) Photon counting system and method
CN101600972A (zh) 正电子发射断层摄影中的飞行时间测量
EP2100167A2 (en) Spectral computed tomography using correlated photon number and energy measurements
CN107422364B (zh) 一种检测器的时间定时校正方法及装置
US10634798B2 (en) Radiation apparatus and radiation signal processing method using bipolar time-over-threshold method
KR20150024721A (ko) 전압의 초기화 시점을 적응적으로 결정하는 방법 및 장치.
WO2008146230A2 (en) Photon counting with detection of local maxima
JP6786709B2 (ja) 変換器の相対利得およびオフセットを推定するための方法およびシステム
US7329873B2 (en) Coincidence counting method of γ ray and nuclear medicine diagnostic apparatus
US20240168179A1 (en) Pulse shaper circuit
US7115880B2 (en) Digital event detection in a nuclear imaging system
WO2025230513A1 (en) Methods and apparatus for medical imaging event timing determination and image reconstruction
KR101844022B1 (ko) 멀티-에너지 방사선에 포함된 광자의 에너지 대역을 구분하기 위한 장치 및 방법
US20170074996A1 (en) Transmission Of PET-Signals By Means Of Time Division Multiplexing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination