BIOMETRIC INFORMATION DETECTING APPARATUS

• US 20130172719A1
• Filed: 12/19/2012
• Published: 07/04/2013
• Est. Priority Date: 12/20/2011
• Status: Abandoned Application

• Current Assignee: Seiko Instruments Incorporated (Seiko Group)
• Original Assignee: Seiko Instruments Incorporated (Seiko Group)
• Inventors: Takakura, Akira, Sakai, Satoshi
• Application Number:
  US13/719,315
• Publication Number:
  US 20130172719A1
• Time in Patent Office: Days
• US Class Current: 600/382
• CPC Class Codes: A61B 2560/0412 Low-profile patch shaped housings
• CPC Class Codes: A61B 5/0006 ECG or EEG signals
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/0245 by using sensing means generating electric signals, i.e. ECG signals
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287
• CPC Class Codes: A61B 5/30 Input circuits therefor
• CPC Class Codes: A61B 5/316 Modalities, i.e. specific diagnostic methods
• CPC Class Codes: A61B 5/6823 Trunk, e.g., chest, back, abdomen, hip
• CPC Class Codes: A61B 5/6831 Straps, bands or harnesses
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence

Abstract

A biometric information detecting apparatus including: a pair of electrodes coming into contact with a surface of a living body; and a circuit board to which a pair of the electrodes are connected and configured to detect biometric information on the basis of a potential difference generated between a pair of the electrodes, the circuit board including an electrode connecting pattern Co which a pair of the electrodes are electrically connected, and a detection circuit unit configured to detect the biometric information on the basis of the potential difference; and a GND pattern provided on the circuit board between the electrode connecting pattern and the detection circuit unit.

Claims

1. A biometric information detecting apparatus comprising:

a pair of electrodes coming into contact with a surface of a living body; and

a circuit board to which a pair of the electrodes are connected and configured to detect biometric information on the basis of a potential difference generated between a pair of the electrodes, the circuit board including an electrode connecting pattern to which a pair of the electrodes are electrically connected, and a detection circuit unit configured to detect the biometric information on the basis of the potential difference; and

a low potential pattern set to have a potential lower than that of the electrode connecting pattern provided on the circuit board between the electrode connecting pattern and the detection circuit unit.

2. The biometric information detecting apparatus according to claim 1, wherein the low potential pattern is set to a GND pattern.

3. The biometric information detecting apparatus according to claim 1, wherein the low potential pattern is provided in the periphery of the electrode connecting pattern.

4. The biometric information detecting apparatus according to claim 2, wherein the low potential pattern is provided in the periphery of the electrode connecting pattern.

5. The biometric information detecting apparatus according to claim 1, wherein the circuit board is formed by providing a resist on a pattern layer formed on a substrate body, and

a portion on the circuit board corresponding to the low potential pattern is set to be a low potential pattern forming range, and the pattern layer exposed on the circuit board is defined as the low potential pattern by removing the resist in the low potential pattern forming range or by forming the resist in the low potential pattern forming range to be thinner than other portions.

6. The biometric information detecting apparatus according to claim 2, wherein the circuit board is formed by providing a resist on a pattern layer formed on a substrate body, and

a portion on the circuit board corresponding to the low potential pattern is set to be a low potential pattern forming range, and the pattern layer exposed on the circuit board is defined as the low potential pattern by removing the resist in the low potential pattern forming range or by forming the resist in the low potential pattern forming range to be thinner than other portions.

7. The biometric information detecting apparatus according to claim 3, wherein the circuit board is formed by providing a resist on a pattern layer formed on a substrate body, and

a portion on the circuit board corresponding to the low potential pattern is set to be a low potential pattern forming range, and the pattern layer exposed on the circuit board is defined as the low potential pattern by removing the resist in the low potential pattern forming range or by forming the resist in the low potential pattern forming range to be thinner than other portions.

8. The biometric information detecting apparatus according to claim 4, wherein the circuit board is formed by providing a resist on a pattern layer formed on a substrate body, and

a portion on the circuit board corresponding to the low potential pattern is set to foe a low potential pattern forming range, and the pattern layer exposed on the circuit board is defined as the low potential pattern by removing the resist in the low potential pattern forming range or by forming the resist in the low potential pattern forming range to be thinner than other portions.