GB1495950A - Oscillators - Google Patents

Oscillators

Info

Publication number
GB1495950A
GB1495950A GB3619/77A GB361977A GB1495950A GB 1495950 A GB1495950 A GB 1495950A GB 3619/77 A GB3619/77 A GB 3619/77A GB 361977 A GB361977 A GB 361977A GB 1495950 A GB1495950 A GB 1495950A
Authority
GB
United Kingdom
Prior art keywords
capacitor
arco
heading
jan
concerned
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
GB3619/77A
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.)
ARCO Medical Products Co
Original Assignee
ARCO Medical Products Co
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 ARCO Medical Products Co filed Critical ARCO Medical Products Co
Publication of GB1495950A publication Critical patent/GB1495950A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/355—Monostable circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/354—Astable circuits

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
GB3619/77A 1974-01-04 1974-12-24 Oscillators Expired GB1495950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US430827A US3926197A (en) 1974-01-04 1974-01-04 Demand heart pacer

Publications (1)

Publication Number Publication Date
GB1495950A true GB1495950A (en) 1977-12-21

Family

ID=23709221

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3619/77A Expired GB1495950A (en) 1974-01-04 1974-12-24 Oscillators
GB55879/74A Expired GB1495949A (en) 1974-01-04 1974-12-24 Demand heart pacer

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB55879/74A Expired GB1495949A (en) 1974-01-04 1974-12-24 Demand heart pacer

Country Status (9)

Country Link
US (1) US3926197A (https=)
JP (1) JPS5098188A (https=)
BE (1) BE824071A (https=)
DE (1) DE2500109A1 (https=)
FR (1) FR2256751A1 (https=)
GB (2) GB1495950A (https=)
IT (1) IT1030961B (https=)
LU (1) LU71594A1 (https=)
NL (1) NL7416177A (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031899A (en) * 1976-01-22 1977-06-28 Vitatron Medical B.V. Long life cardiac pacer with switching power delivery means and method of alternately delivering power to respective circuit portions of a stimulus delivery system
US4088140A (en) * 1976-06-18 1978-05-09 Medtronic, Inc. Demand anti-arrhythmia pacemaker
IT1092941B (it) * 1977-03-19 1985-07-12 Biotronik Mess & Therapieg Circuito regolatore di ritmo cardiaco per diversi modi di esercizio
US4203448A (en) * 1977-08-19 1980-05-20 Biotronik Mess- Und Therapiegerate Gmbh & Co. Programmably variable voltage multiplier for implanted stimulator
FR2440197A1 (fr) * 1978-11-06 1980-05-30 Medtronic Inc Amplificateur de detection de stimulateur cardiaque a la demande
DE3110014A1 (de) * 1980-05-19 1982-03-25 Telectronics Pty. Ltd., Lane Cove, New South Wales Aeusserlich rueckstellbarer tachykardie-regelschrittmacher
US4779617A (en) * 1986-10-06 1988-10-25 Telectronics N.V. Pacemaker noise rejection system
US5522856A (en) * 1994-09-20 1996-06-04 Vitatron Medical, B.V. Pacemaker with improved shelf storage capacity
US5699014A (en) * 1996-04-04 1997-12-16 Cardiac Pacemakers, Inc. Linear amplifier
US6321122B1 (en) 1998-07-22 2001-11-20 Cardiac Pacemakers, Inc. Single pass defibrillation/pacing lead with passively attached electrode for pacing and sensing
US5978710A (en) 1998-01-23 1999-11-02 Sulzer Intermedics Inc. Implantable cardiac stimulator with safe noise mode
US6501990B1 (en) 1999-12-23 2002-12-31 Cardiac Pacemakers, Inc. Extendable and retractable lead having a snap-fit terminal connector
US6463334B1 (en) 1998-11-02 2002-10-08 Cardiac Pacemakers, Inc. Extendable and retractable lead
CN106888011B (zh) * 2017-01-09 2023-06-13 四川埃姆克伺服科技有限公司 一种用于伺服控制器的电阻型模拟量输入接口电路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548831A (en) * 1968-02-06 1970-12-22 Donald Neil Mcleam Cardiac pacer circuit
US3528428A (en) * 1968-04-11 1970-09-15 American Optical Corp Demand pacer
US3547127A (en) * 1968-04-29 1970-12-15 Medtronic Inc Cardiac pacemaker with regulated power supply
US3677251A (en) * 1970-03-10 1972-07-18 Gen Electric Body organ stimulator with interference rejector
US3759266A (en) * 1970-10-07 1973-09-18 Medcor Inc Ng reset and voltage increasing circuits cardiac autopacer with variable refractory non linear feedback latchi
US3774619A (en) * 1972-01-10 1973-11-27 American Optical Corp Source testing cardiac pacer with source-independent rate circuitry and disabling means therefor

Also Published As

Publication number Publication date
IT1030961B (it) 1979-04-10
NL7416177A (nl) 1975-07-08
US3926197A (en) 1975-12-16
FR2256751A1 (https=) 1975-08-01
BE824071A (fr) 1975-05-02
DE2500109A1 (de) 1975-10-09
JPS5098188A (https=) 1975-08-04
GB1495949A (en) 1977-12-21
LU71594A1 (https=) 1975-06-17

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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