US5384028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biosensor with a data memory
Assignee: NEC Corp
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Filing: 1993-08-27
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Granted: 1995-01-24
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Expires: 2013-08-27
Abstract
Abstract A biosensor is provided with a memory for storing data including a data and a time of fabricating the biosensor, a lot number of the biosensor, an effective period of the biosensor, the biosensor characteristics, and administrative data of the biosensor. The memory may store additional data such as the measured date, the consecutive (total) measuring time, the measured results, etc.
Inventors
- 👤 Narushi Ito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:42
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/1468; A61B5/1486; B; B82; B82Y; B82Y10/00; C; C12; C12Q; C12Q1/00; C12Q1/001; G; G11; G11C; G11C13/00; G11C13/0002; G11C13/0009; G11C13/0014; G11C13/0019; A61B2560/00; A61B2560/02; A61B2560/0266; A61B2560/0276; Y; Y10; Y10S; Y10S435/00; Y10S435/817
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
72 words
A biosensor with a data memory, comprising: an enzyme sensor for generating an output dependent on a concentration of an organic substance in a solution, said enzyme sensor being provided on a sensor substrate with an enzyme membrane; and a memory for storing data and calibrating said enzyme sensor wherein the data stored is a fabrication date, and a sensor effective period and wherein said memory is provided on said sensor substrate.
Claim 2
Dependent Claim
72 words
A biosensor with a data memory, comprising: an enzyme sensor for generating an output dependent on a concentration of an organic substance in a solution, said enzyme sensor being provided on a sensor substrate with an enzyme membrane; and a memory for storing data and calibrating said enzyme sensor wherein the data stored is a fabrication date, and a sensor effective period and wherein said memory is provided on said sensor substrate.
Claim 3
Dependent Claim
20 words
A biosensor with a data memory, according to claim 1, wherein said enzyme sensor is an ion-sensitive field effect transistor.
Claim 4
Dependent Claim
65 words
A biosensor with a data memory, according to claim 1, wherein said enzyme sensor comprises first and second ion-sensitive field effect transistors and a reference electrode, said enzyme membrane being immobilized on a gate of at least one of said first and second ion-sensitive field effect transistors, and said first and second ion-sensitive field effect transistors providing a differential output relative to said reference electrode.
Claim 5
Dependent Claim
62 words
A biosensor with a data memory, according to claim 1, wherein said biosensor is mounted on a substrate and is detachably incorporated into a chemical substance measuring apparatus, said biosensor substrate further comprises a tank having a calibration solution, and a pin for compressing said tank to supply said calibration solution through a flow path of a housing to said enzyme sensor.
Claim 6
Dependent Claim
27 words
A biosensor with a data memory, according to claim 1, wherein a measuring time and a measuring output of said enzyme sensor are written into said memory.
References Cited (Backward Citations)
US4701253A
Cited
US4909921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-01-23 | 1998-07-25 | 1999-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-23 | 2002-07-25 | 2003-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-23 | 2006-07-25 | 2007-01-24 | $7700.00 | Window Closed / Lapsed |