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Patent US3924606A successfully refreshed from Google Patents.
US3924606A
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System and method for monitoring physiological parameters
Assignee: Individual
•
Filing: 1973-11-23
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Granted: 1975-12-09
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Expires: 1993-11-23
Abstract
Abstract Methods and apparatus are provided for generating a continuous audible indication of a physiological parameter such as human skin resistivity and the like, suitable either for comparison with a preselected calibration value or for correlation with a functionally related other physiological parameter.
Inventors
- 👤 Jose R Silva
- 👤 John M Narrace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/369; A61B5/372; A61B5/374; A61B5/05; A61B5/053; A61B5/0531; A61B5/0533; Y; Y10; Y10S; Y10S128/00; Y10S128/905
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
92 words
A system for monitoring a variable human physiological parameter and the like, comprising detection means for deriving an electrical signal representative of a parameter sought to be monitored, voltage means for deriving from said signal a voltage having an amplitude functionally related to a characteristic of said parameter sought to be monitored, a tone signal generator for providing a sequence of discrete increments of tone signal each having a duration and rate of occurrence functionally related to the amplitude of said voltage, and audio means responsive to said increments of tone signal.
Claim 2
Independent Claim
92 words
A system for monitoring a variable human physiological parameter and the like, comprising detection means for deriving an electrical signal representative of a parameter sought to be monitored, voltage means for deriving from said signal a voltage having an amplitude functionally related to a characteristic of said parameter sought to be monitored, a tone signal generator for providing a sequence of discrete increments of tone signal each having a duration and rate of occurrence functionally related to the amplitude of said voltage, and audio means responsive to said increments of tone signal.
Claim 3
Dependent Claim
25 words
The system described in claim 1, wherein said tone signal from said generator has a preselected fixed pitch which is within the audio frequency range.
Claim 4
Dependent Claim
23 words
The system described in claim 2, wherein said voltage means includes an amplifier with a substantially linear amplification characteristic for amplifying said voltage.
Claim 5
Dependent Claim
21 words
The system described in claim 3, wherein said amplifier is characterized by a high impedance input and a low impedance output.
Claim 6
Dependent Claim
34 words
The system described in claim 4, wherein said audio means includes a dynamic-permanent magnet type audio speaker means responsive to said tone signal generator, and volume control means interconnected with said audio speaker means.
Claim 7
Independent Claim
121 words
A system for monitoring the skin resistivity of a selected human subject and the like, comprising a pair of spaced-apart electrodes for developing a measurement voltage functionally related to the skin resistivity of said selected subject, an amplifier having a high impedance input and low impedance output characteristic for amplifying said measurement voltage in a substantially linear manner, a voltage-controlled oscillator for providing a sequence of discrete bursts of tone signal having a fixed pitch within the audio frequency range and at a rate of occurrence which is functionally related to the magnitude of said amplified measurement voltage, and a dynamic-permanent magnet type audio speaker for providing an indication of said discrete bursts of tone signal audible to said selected subject.
Claim 8
Independent Claim
121 words
A system for monitoring the skin resistivity of a selected human subject and the like, comprising a pair of spaced-apart electrodes for developing a measurement voltage functionally related to the skin resistivity of said selected subject, an amplifier having a high impedance input and low impedance output characteristic for amplifying said measurement voltage in a substantially linear manner, a voltage-controlled oscillator for providing a sequence of discrete bursts of tone signal having a fixed pitch within the audio frequency range and at a rate of occurrence which is functionally related to the magnitude of said amplified measurement voltage, and a dynamic-permanent magnet type audio speaker for providing an indication of said discrete bursts of tone signal audible to said selected subject.
Claim 9
Independent Claim
83 words
A method of monitoring a variable human physiological parameter and the like, comprising deriving an electrical signal representative of a parameter sought to be monitored, deriving from said signal a voltage having an amplitude functionally related to a selected characteristic of said parameter sought to be monitored, deriving a sequence of discrete bursts of tone signal each having a duration and rate of occurrence functionally related to the amplitude of said voltage, and deriving an audible indication of said bursts of tone signal.
Claim 10
Independent Claim
83 words
A method of monitoring a variable human physiological parameter and the like, comprising deriving an electrical signal representative of a parameter sought to be monitored, deriving from said signal a voltage having an amplitude functionally related to a selected characteristic of said parameter sought to be monitored, deriving a sequence of discrete bursts of tone signal each having a duration and rate of occurrence functionally related to the amplitude of said voltage, and deriving an audible indication of said bursts of tone signal.
Claim 11
Dependent Claim
22 words
The method described in claim 7, further including deriving said tone signal at a fixed preselected pitch within the audio frequency range.
Claim 12
Dependent Claim
23 words
The method described in claim 8, further including amplifying in a substantially linear manner said voltage which is derived from said electrical signal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |