Abstract: An earphone sensor system for measuring electrocardiogram signals provides convenient and comfortable noninvasive electrocardiogram signal measuring for a subject. The electrocardiogram signal measuring system includes an electrocardiogram signal analyzing apparatus and an earphone sensing apparatus. The electrocardiogram signal analyzing apparatus includes an amplifier module, a microcontroller, a display, a radio module and a housing having conductive contacts. The earphone sensing apparatus includes an earphone and an electrode. The electrode is disposed in the earphone, and can be electrically connected to the subject for collecting the weak electrocardiogram signal at the head of the subject. By contacting the body surface of the testee with the housing having conductive contacts and the electrode, a basic loop for collecting the electrocardiogram signals is formed. The earphone sensor system can be associated with commercial gadgets and used for musical treatments and bio-feedback.

Abstract: A miniature wireless apparatus for collecting physiological signals comprises an electrode pair, an amplifier module, a microcontroller, a wireless module, and a battery. The electrode pair collects a pair of physiological signals of a person under test. The amplifier module amplifies the pair of physiological signals. The microcontroller performs an analog-to-digital conversion and a data compression for an amplified physiological signal generated by the amplifier module. The wireless module modulates a digital physiological signal generated by the microcontroller and transmitting the modulated digital physiological signal to a receiver at the far end. The apparatus can be implemented by a structure of multilayered circuit boards. With the progress of semiconductor technology, all the components of the miniature wireless apparatus can be further integrated to one circuit board, or even one chip.

Abstract: An earphone sensor system for measuring electrocardiogram signals provides convenient and comfortable noninvasive electrocardiogram signal measuring for a subject. The electrocardiogram signal measuring system includes an electrocardiogram signal analyzing apparatus and an earphone sensing apparatus. The electrocardiogram signal analyzing apparatus includes an amplifier module, a microcontroller, a display, a radio module and a housing having conductive contacts. The earphone sensing apparatus includes an earphone and an electrode. The electrode is disposed in the earphone, and can be electrically connected to the subject for collecting the weak electrocardiogram signal at the head of the subject. By contacting the body surface of the testee with the housing having conductive contacts and the electrode, a basic loop for collecting the electrocardiogram signals is formed. The earphone sensor system can be associated with commercial gadgets and used for musical treatments and bio-feedback.

Abstract: A miniature wireless apparatus for collecting physiological signals of animals includes a connector, an amplifier module, a microcontroller, a radio module and a power supply. The connector is attached to an animal to be tested by buckling a joint of the connector to a joint of a connector on the animal to be tested, so as to collect various physiological signals. The amplifier module amplifies each of the physiological signals by an appropriate gain to generate an amplified physiological signal. The microcontroller performs analog-to-digital conversion and data compression on the amplified physiological signal to generate a digital physiological signal. The radio module modulates the digital physiological signal, and then transmits the modulated digital physiological signal to a remote receiver in a wireless transmission manner. The radio module receives remote wireless signals as well. The power supply is configured to provide power to the above circuits.

Abstract: A miniature wireless apparatus for collecting physiological signals comprises an electrode pair, an amplifier module, a microcontroller, a wireless module, and a battery. The electrode pair collects a pair of physiological signals of a person under test. The amplifier module amplifies the pair of physiological signals. The microcontroller performs an analog-to-digital conversion and a data compression for an amplified physiological signal generated by the amplifier module. The wireless module modulates a digital physiological signal generated by the microcontroller and transmitting the modulated digital physiological signal to a receiver at the far end. The apparatus can be implemented by a structure of multilayered circuit boards. With the progress of semiconductor technology, all the components of the miniature wireless apparatus can be further integrated to one circuit board, or even one chip.