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Biomedical Engineering, IEEE Transactions on

Issue 6 • Date Nov. 1971

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Displaying Results 1 - 19 of 19
  • Table of contents

    Publication Year: 1971 , Page(s): c1
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  • IEEE Engineering in Medicine and Biology Group

    Publication Year: 1971 , Page(s): c2
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  • A New Approach to Prosthetic Control: EEG Motor Signal Tracking With an Adaptively Designed Phase-Locked Loop

    Publication Year: 1971 , Page(s): 389 - 398
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3353 KB)  

    The feasibility of using brain waves to control an externally powered prosthetic device for amputees was investigated. Two subjects were studied; one normal and one with a right hand disarticulation. Each subject, otherwise at rest, performed the protocol of voluntarily, repetitively opening and closing his hand. The normal accomplished this, while the amputee attempted to use her missing limb as ... View full abstract»

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  • The Analysis of Respiratory Sinus Arrhythmia Using Spectral Analysis and Digital Filtering

    Publication Year: 1971 , Page(s): 399 - 409
    Cited by:  Papers (13)  |  Patents (7)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3323 KB)  

    Respiratory sinus arrhythmia is the phenomenon by which respiration modulates heart rate in normal humans and in many animals. This investigation was divided into the following three categories: 1) the development of a mathematical model relating respiration to those variations that it causes in heart rate; 2) the use of digital filtering techniques to attenuate fluctuations in heart rate which ar... View full abstract»

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  • Transthoracic Ventricular Defibrillation in the Dog with Truncated and Untruncated Exponential Stimuli

    Publication Year: 1971 , Page(s): 410 - 415
    Cited by:  Papers (4)  |  Patents (168)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2568 KB)  

    From 10 560 transthoracic fibrillation-defibrillation episodes in large anesthetized dogs, the effectiveness of 88 types of untruncated and truncated exponential waveforms in reversing ventricular fibrillation was evaluated. The study involved waveforms which could be generated with stored energy levels (in the simple capacitor-switch sense) of 60, 90, 120, and 180 J and initial current levels of ... View full abstract»

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  • Laser Doppler Measurements of Localized Pulsatile Fluid Velocity

    Publication Year: 1971 , Page(s): 416 - 420
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2545 KB)  

    An optical Doppler velocimeter utilizing optical heterodyning techniques was used to measure radial velocity profiles of pulsatile flow in a cardiovascular circulation model. The light source was a single-mode frequency-stabilized He-Ne CW laser (6328 Å, 0.1 mW). The laser beam was focused to a 30-¿m in diameter spot in the flow stream. Polystyrene spheres 0.73 ¿m in diameter, suspended in dist... View full abstract»

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  • An Electromagnetic System for Studying the Responses of Aquatic Organisms to Weak Electric and Magnetic Fields

    Publication Year: 1971 , Page(s): 421 - 424
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    Recent evidence suggests use of electric and magnetic cues as orientational aids to long-distance migration by fishes. A simple laboratory apparatus is described which accurately reproduces the electromagnetic fields an aquatic organism might naturally experience. View full abstract»

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  • Phase Lock for Correlation Detection of a Periodic Pulse

    Publication Year: 1971 , Page(s): 424 - 426
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (958 KB)  

    The detection of the presence of a periodic pulse with uncertain pulse rate and low duty cycle is a common biotelemetry problem. Modern phase-lock and correlation techniques have provided more efficient means of making the presence decision than that provided by energy detection methods. A local signal is cross correlated with the input in a phase-locked loop (PLL) to provide phase reference. Upon... View full abstract»

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  • An Automatic Curve Follower for Use with Physiological Recorders

    Publication Year: 1971 , Page(s): 426 - 428
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    The addition of an optional feedback loop to a previously described automatic analog curve reader, which was originally designed for reconversion of EEG ink recordings to electrical form, permits operation of the curve reader as a true line follower, often a more appropriate method for reconversion of polygraphic ink recordings having gradual to moderate slopes. View full abstract»

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  • Patient Electrode Isolation Adapter

    Publication Year: 1971 , Page(s): 428 - 430
    Cited by:  Papers (1)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (885 KB)  

    Safety has rapidly become a major issue in the hospital environment. Electronic equipment, particularly monitoring apparatus, has modernized clinical procedures, but constitutes a potential danger to patients. A simple isolation adapter is described which can eliminate the shock hazards of existing equipment by breaking the electrical connection between electrode and monitor. Integral current-limi... View full abstract»

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  • A Novel High-Performance Preamplifier for Biological Applications

    Publication Year: 1971 , Page(s): 430
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (332 KB)  

    A high-performance differential preamplifier is described which combines high input impedance, controlled gain, low input noise, and high common-mode rejection. View full abstract»

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  • Improved Buffer Amplifier for Incorporation Within a Biopotential Electrode

    Publication Year: 1971 , Page(s): 430 - 431
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (444 KB)  

    An amplifier for an active electrode is described which requires only a two-conductor connecting cable, is current limiting for patient safety, and has essentially unity voltage gain. In addition, the output impedance is lower and the input impedance has more adjustment latitude than is possible with a conventional source follower. View full abstract»

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  • Letters to the Editor

    Publication Year: 1971 , Page(s): 432
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  • Abstracts of dissertations

    Publication Year: 1971 , Page(s): 433 - 440
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  • Keyword Abstracts

    Publication Year: 1971 , Page(s): 441 - 442
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  • Author index

    Publication Year: 1971 , Page(s): 442a - 442c
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  • Index Subject

    Publication Year: 1971 , Page(s): 442c - 442f
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  • IEEE Transactions on Bio-Medical Engineering Statement of Editorial Policy

    Publication Year: 1971 , Page(s): 442-g
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  • Institutional listings

    Publication Year: 1971 , Page(s): 442h
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Aims & Scope

IEEE Transactions on Biomedical Engineering contains basic and applied papers dealing with biomedical engineering. Papers range from engineering development in methods and techniques with biomedical applications to experimental and clinical investigations with engineering contributions.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Bin He
Department of Biomedical Engineering