Electrode structure
A protective electrode structure comprises a middle protective electrode which resides between an outer protective electrode and the skin electrodes during a measurement. The middle protective electrode and the outer protective electrode are insulated from each other. Additionally, the middle protective electrode may be coupled to a virtual ground of the user-specific performance monitor system.
1. A protective electrode structure for a portable user-specific performance monitor system including skin electrodes for a physiological measurement, the protective electrode structure comprising:
an insulator;
an outer protective electrode;
at least one middle protective electrode configured to protect the skin electrodes against electrical interference and to be placed between the outer protective electrode and the skin electrodes during a measurement, the outer protective electrode protecting the skin electrodes against electrical interference, the at least one middle protective electrode and the outer protective electrode being insulated from each other by the insulator, the at least one middle protective electrode being configured to be coupled to a virtual ground of the user-specific performance monitor system; and
at least two additional protective electrodes configured to balance electrical interference on the skin electrodes and to be placed between the at least one middle protective electrode and the skin electrodes, the additional protective electrodes being configured to be insulated from the at least one middle protective electrode and cross coupled to the skin electrodes.
2. The protective electrode structure of claim 1 , wherein the protective electrode structure is included in the user-specific performance monitor system.
3. The protective electrode structure of claim 1 , wherein the protective electrode structure is integrated into a garment.
4. The protective electrode structure of claim 1 , wherein the at least one middle protective electrode is covered by the insulator which is covered by a garment, which is configured to form the outer protective electrode.
5. The protective electrode structure of claim 1 , wherein the middle protective electrode is additionally configured to be coupled to the skin of a user at a different place or places than the skin electrodes.
6. A measuring device of a user-specific performance monitor system including skin electrodes for a physiological measurement, wherein the measuring device comprises:
an insulator;
an outer protective electrode;
at least one middle protective electrode configured to protect the skin electrodes against electrical interference and be placed between the outer protective electrode and the skin electrodes during a measurement, the outer protective electrode protecting the skin electrodes against electrical interference, the at least one middle protective electrode and the outer protective electrode being insulated from each other by the insulator, the at least one middle protective electrode being configured to be coupled to a virtual ground of the user-specific performance monitor system; and
at least two additional protective electrodes configured to balance electrical interference on the skin electrodes and to be placed between the at least one middle protective electrode and the skin electrodes, the additional protective electrodes being configured to be insulated from the at least one middle protective electrode and cross coupled to the skin electrodes.
7. A garment including skin electrodes for a physiological measurement performed by a user-specific performance monitor system, wherein the garment comprises a protective electrode structure comprising:
an insulator;
an outer protective electrode;
at least one middle protective electrode configured to be placed between an outer protective electrode and the skin electrodes during a measurement, the outer protective electrode and the at least one middle protective electrode being configured to protect the skin electrodes against electrical interference, the at least one middle protective electrode and the outer protective electrode being insulated from each other by the insulator, the at least one middle protective electrode being configured to be coupled to a virtual ground of the user-specific performance monitor system; and
at least two additional protective electrodes configured to balance electrical interference on the skin electrodes and to be placed between the at least one middle protective electrode and the skin electrodes, the additional protective electrodes being configured to be insulated from the at least one middle protective electrode and cross coupled to the skin electrodes.
8. A method of manufacturing an electrode structure of a portable user-specific performance monitor system including skin electrodes for a physiological measurement, the method comprising:
forming an insulator;
forming an outer protective electrode;
forming at least one middle protective electrode which is placed between the outer protective electrode and the skin electrodes during a measurement and insulated from the outer protective electrode, the outer protective electrode and the at least one middle protective electrode protecting the skin electrodes against electrical interference, the at least one middle protective electrode and the outer protective electrode being insulated from each other by the insulator, the at least one middle protective electrode being configured to be coupled to a virtual ground of the user-specific performance monitor system; and
forming at least two additional protective electrodes configured to balance electrical interference on the skin electrodes and to be placed between the at least one middle protective electrode and the skin electrodes, the additional protective electrodes being configured to be insulated from the at least one middle protective electrode and cross coupled to the skin electrodes.