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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0343363 (1994-11-22) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 387 인용 특허 : 0 |
A biosensing meter receives a biomedical sample strip or a check strip, a sample strip including electrically isolated excitation and sense electrodes. The biosensing meter includes first and second contacts that are positioned to be electrically connected by a sense electrode when a sample strip is
A biosensing meter receives a biomedical sample strip or a check strip, a sample strip including electrically isolated excitation and sense electrodes. The biosensing meter includes first and second contacts that are positioned to be electrically connected by a sense electrode when a sample strip is inserted into the biosensing meter. An operational amplifier circuit has one input connected to the first contact and a second input connected to a reference potential, the one input manifesting the reference potential as a result of a feedback within the operational amplifier. A processor is coupled to the second contact and determines the presence of the reference potential at the second contact when an inserted sense electrode connects the first and second contacts. The processor also distinguishes between a sample strip and a check strip and, when a sample strip is inserted, that the sample strip exhibits a proper impedance between its sense and excitation electrodes－to enable operation of the biosensing meter upon dosing of the sample strip.
A biosensing meter for receiving a sample strip that includes electrically isolated excitation and sense electrodes that are bridged by an analyte reactant, said biosensing meter comprising: a first contact and a second contact positioned to be electrically connected by said sense electrode when sai
A biosensing meter for receiving a sample strip that includes electrically isolated excitation and sense electrodes that are bridged by an analyte reactant, said biosensing meter comprising: a first contact and a second contact positioned to be electrically connected by said sense electrode when said sample strip is inserted into said biosensing meter; operational amplifier means having one input connected to said first contact, a second input connected to a reference potential, an output, and a resistor directly connecting said output to said one input, whereby said one input is enabled to manifest said reference potential; and processor means coupled to said second contact and responsive to a presence of said reference potential at said second contact as an indication that said sense electrode connects said first and second contacts.
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