Disposable electronic monitor device
First Claim
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1. Apparatus for monitoring an externally applied parameter, comprisinga housing enclosing:
- A. a sensor having a characteristic that varies in a predetermined manner with variation of said parameter;
B. a monitoring and output network including;
i. means coupled to said sensor for generating a signal representative of variations of said characteristic over time,ii. first storage means for storing values associated with selected portions of said signal, said selected portions including other than the most recent portion of said signal, andiii. selectively operative means for generating an output signal representative of selected ones of said stored values; and
C. a power supply in operable communication with said sensor and said network.
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Abstract
Apparatus for monitoring an externally applied parameter to selected products. The invention involves a housing enclosing a sensor, and a monitoring and output network. The sensor has a characteristic that varies in some predetermined manner with variation in the monitored parameter. The monitoring and output network involves a sensor which produces a signal representative of the monitored characteristic. Values associated with the signal are stored in a memory device for subsequent, selected retrieval.
72 Citations
12 Claims
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1. Apparatus for monitoring an externally applied parameter, comprising
a housing enclosing: -
A. a sensor having a characteristic that varies in a predetermined manner with variation of said parameter; B. a monitoring and output network including; i. means coupled to said sensor for generating a signal representative of variations of said characteristic over time, ii. first storage means for storing values associated with selected portions of said signal, said selected portions including other than the most recent portion of said signal, and iii. selectively operative means for generating an output signal representative of selected ones of said stored values; and C. a power supply in operable communication with said sensor and said network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification