AU700438B2 - Digital frequency generator - Google Patents

Digital frequency generator Download PDF

Info

Publication number
AU700438B2
AU700438B2 AU12045/97A AU1204597A AU700438B2 AU 700438 B2 AU700438 B2 AU 700438B2 AU 12045/97 A AU12045/97 A AU 12045/97A AU 1204597 A AU1204597 A AU 1204597A AU 700438 B2 AU700438 B2 AU 700438B2
Authority
AU
Australia
Prior art keywords
value
stored
frequency
iterative
desired frequency
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
AU12045/97A
Other languages
English (en)
Other versions
AU1204597A (en
Inventor
Ian Basil Shine
Thomas Adam Shine
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU1204597A publication Critical patent/AU1204597A/en
Application granted granted Critical
Publication of AU700438B2 publication Critical patent/AU700438B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/172—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body electrical or electronic
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14—Arrangements for controlling speed or speed and torque
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Control Of Stepping Motors (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electric Clocks (AREA)
AU12045/97A 1995-12-29 1996-12-27 Digital frequency generator Expired AU700438B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9526717 1995-12-29
GBGB9526717.5A GB9526717D0 (en) 1995-12-29 1995-12-29 Digital frequency generator
PCT/GB1996/003240 WO1997024797A1 (en) 1995-12-29 1996-12-27 Digital frequency generator

Publications (2)

Publication Number Publication Date
AU1204597A AU1204597A (en) 1997-07-28
AU700438B2 true AU700438B2 (en) 1999-01-07

Family

ID=10786200

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12045/97A Expired AU700438B2 (en) 1995-12-29 1996-12-27 Digital frequency generator

Country Status (9)

Country Link
US (1) US6028412A (enExample)
EP (1) EP0870359B1 (enExample)
JP (1) JP3955631B2 (enExample)
AT (1) ATE191299T1 (enExample)
AU (1) AU700438B2 (enExample)
CA (1) CA2240473C (enExample)
DE (1) DE69607486T2 (enExample)
GB (1) GB9526717D0 (enExample)
WO (1) WO1997024797A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1074868C (zh) * 1997-11-19 2001-11-14 智合科技股份有限公司 相位累加式正弦波产生器
US6633989B1 (en) * 1999-11-30 2003-10-14 Lsi Logic Corporation Method and mechanism for synchronizing a slave's timer to a master's timer
FI110822B (fi) * 2001-03-27 2003-03-31 Planmeca Oy Menetelmä ja järjestely röntgenlaitteiden, erityisesti panoraamaröntgenkuvauslaitteiden toimilaitteiden liikkeiden toteuttamiseksi
US7158900B2 (en) * 2002-01-07 2007-01-02 Siemens Energy & Automation, Inc. Pulse output function for programmable logic controller
US6574301B1 (en) * 2002-02-11 2003-06-03 Ge Medical Systems Global Technology Company, Llc CT data acquisition system trigger jitter filter
CN100392587C (zh) 2002-06-03 2008-06-04 西门子能量及自动化公司 用于编程智能模块的向导
KR100490623B1 (ko) 2003-02-24 2005-05-17 삼성에스디아이 주식회사 버퍼 회로 및 이를 이용한 액티브 매트릭스 표시 장치
US9270478B2 (en) * 2004-04-13 2016-02-23 Brigham Young University Systems and methods for controlling and monitoring multiple electronic devices
US8085075B2 (en) * 2007-08-16 2011-12-27 General Electric Comapany Method and system for diagnostic imaging using a digital phase locked loop
US8549504B2 (en) 2010-09-25 2013-10-01 Intel Corporation Apparatus, method, and system for providing a decision mechanism for conditional commits in an atomic region
CA2844807C (en) 2011-08-19 2022-07-26 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
EP2830687B1 (en) 2012-03-30 2019-07-24 ICU Medical, Inc. Air detection system and method for detecting air in a pump of an infusion system
ES3028431T3 (en) 2012-07-31 2025-06-19 Icu Medical Inc Patient care system for critical medications
WO2014190264A1 (en) 2013-05-24 2014-11-27 Hospira, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
US9707341B2 (en) 2013-05-29 2017-07-18 Icu Medical, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
ES2776363T3 (es) 2014-02-28 2020-07-30 Icu Medical Inc Sistema de infusión y método que utiliza detección óptica de aire en línea de doble longitud de onda
JP2017517302A (ja) 2014-05-29 2017-06-29 ホスピーラ インコーポレイテッド 構成可能閉ループ送達速度キャッチアップを有する注入システムおよびポンプ
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
ES2912378T3 (es) 2016-05-13 2022-05-25 Icu Medical Inc Sistema de bomba de infusión con purga automática de línea común
CA3027176A1 (en) 2016-06-10 2017-12-14 Icu Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
US10802037B2 (en) * 2018-12-14 2020-10-13 Semiconductor Components Industries, Llc Methods and systems for motor control
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
NZ797085A (en) 2020-07-21 2025-08-29 Icu Medical Inc Fluid transfer devices and methods of use
US11135360B1 (en) * 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
CN113224933B (zh) * 2021-05-14 2022-08-09 杭州欧佩捷科技有限公司 隔离变换器的付边对原边隔离控制方法
USD1091564S1 (en) 2021-10-13 2025-09-02 Icu Medical, Inc. Display screen or portion thereof with graphical user interface for a medical device
EP4444472A4 (en) 2021-12-10 2025-11-19 Icu Medical Inc COORDINATED FLOW CONTROL MEDICAL FLUID MIXING SYSTEMS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604034A (en) * 1983-05-03 1986-08-05 Peritronic Medical Industries Plc Peristaltic pumps
US4634426A (en) * 1984-12-11 1987-01-06 Baxter Travenol Laboratories Medical infusion controller and user interface
US4661754A (en) * 1984-05-14 1987-04-28 Hitachi, Ltd. Control circuit for a stepping motor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701890A (en) * 1970-12-08 1972-10-31 Allen Bradley Co Digital differential analyzer employing multiple overflow bits
US3805138A (en) * 1973-01-24 1974-04-16 H Hilker Stepping motor drive acceleration, deceleration control
US4417189A (en) * 1982-01-29 1983-11-22 The Perkin-Elmer Corporation Control circuit for stepper motor
JP2797728B2 (ja) * 1991-02-13 1998-09-17 ブラザー工業株式会社 パルスジェネレータの波形処理回路
JPH04275098A (ja) * 1991-02-27 1992-09-30 Matsushita Electric Ind Co Ltd パルスモータ制御回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604034A (en) * 1983-05-03 1986-08-05 Peritronic Medical Industries Plc Peristaltic pumps
US4661754A (en) * 1984-05-14 1987-04-28 Hitachi, Ltd. Control circuit for a stepping motor
US4634426A (en) * 1984-12-11 1987-01-06 Baxter Travenol Laboratories Medical infusion controller and user interface

Also Published As

Publication number Publication date
AU1204597A (en) 1997-07-28
CA2240473A1 (en) 1997-07-10
JP3955631B2 (ja) 2007-08-08
WO1997024797A1 (en) 1997-07-10
EP0870359B1 (en) 2000-03-29
EP0870359A1 (en) 1998-10-14
GB9526717D0 (en) 1996-02-28
US6028412A (en) 2000-02-22
DE69607486T2 (de) 2001-05-23
ATE191299T1 (de) 2000-04-15
JP2000502878A (ja) 2000-03-07
CA2240473C (en) 2005-11-22
DE69607486D1 (de) 2000-05-04

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