Abstract: A semiconductor structure includes a first tier, a redistribution circuit structure, and a second tier. The first tier includes at least one first die. The redistribution circuit structure is disposed on the first tier and electrically coupled to the at least one first die, where the redistribution circuit structure has a multi-layer structure and includes a vertical connection structure continuously extending from a first side of the redistribution circuit structure to a second side of the redistribution circuit structure, and the first side is opposite to the second side along a stacking direction of the first tier and the redistribution circuit structure. The second tier includes a plurality of second dies, and is disposed on and electrically coupled to the redistribution circuit structure.

Abstract: A bioelectrical impedance measurement apparatus is provided. A power signal and a frequency regulation signal for driving a measurement unit of the bioelectrical impedance measurement apparatus to perform bioelectrical impedance measurement are provided through a first sound channel output terminal and a second sound channel output terminal of a host device, and a bioelectrical impedance measurement result is received by a microphone input terminal of the host device.

Abstract: A bioelectrical impedance measurement method is provided. A power signal and a frequency regulation signal for driving a measuring unit to perform bioelectrical impedance measurement are provided from a first sound channel output terminal and a second sound channel output terminal according to a measuring mode of a host device, and a signal measured and mixed is received by a microphone input terminal of the host device, and a bioelectrical impedance measurement result is analyzed and displayed by the host device.

Abstract: A bioelectrical impedance measurement apparatus is provided. A power signal and a frequency regulation signal for driving a measurement unit of the bioelectrical impedance measurement apparatus to perform bioelectrical impedance measurement are provided through a first sound channel output terminal and a second sound channel output terminal of a host device, and a bioelectrical impedance measurement result is received by a microphone input terminal of the host device.

Abstract: An ultrasonic gas flow measurement device includes a dumbbell-shaped tube, a first ultrasonic transceiver, a second ultrasonic transceiver, a first cover part, a second cover part and a control unit. The dumbbell-shaped tube includes a central tube part, a first cone part, a first tube part, a second cone part and a second tube part, wherein the first tube part has a flow inlet, the second tube part has a flow outlet, the central tube part connects to the first tube part through the first cone part, and connects to the second tube part through the second cone part. The first ultrasonic transceiver installed inside the first tube part is used for transmitting or receiving ultrasonic signals. The second ultrasonic transceiver installed inside the second tube part is used for transmitting or receiving ultrasonic signals. The control unit is used to control the first and second transceivers.

Abstract: An ultrasonic gas flow measurement device includes a dumbbell-shaped tube, a first ultrasonic transceiver, a second ultrasonic transceiver, a first cover part, a second cover part and a control unit. The dumbbell-shaped tube includes a central tube part, a first cone part, a first tube part, a second cone part and a second tube part, wherein the first tube part has a flow inlet, the second tube part has a flow outlet, the central tube part connects to the first tube part through the first cone part, and connects to the second tube part through the second cone part. The first ultrasonic transceiver installed inside the first tube part is used for transmitting or receiving ultrasonic signals. The second ultrasonic transceiver installed inside the second tube part is used for transmitting or receiving ultrasonic signals. The control unit is used to control the first and second transceivers.

Abstract: A digital logic module of oximeter sensor probe includes a detection probe, an operation circuit, and an integrated circuit. This digital logic module of oximeter sensor probe is provided with the light source driving function and the light source capturing function for reducing loading of the microprocessor, so that a cheaper microprocessor can be used in the oximeter sensor for reducing the development cost of the oximeter.

Abstract: A multi-parameter physical audio signal decoding system includes an audio capturing device, a signal pre-processor, a signal decoder, a data modulator and a display device. The audio capturing device receives audio signals, and transforms them into digital signals in real time. The digital signals are transmitted to the signal pre-processor. The signal decoder decodes the digital signals. The data modulator removes signal noises. The display device displays the modulated digital signals. In a non-real-time decoding process, an audio file recorded with physical signals is transmitted to the pre-processor to proceed the decoding process.

Abstract: A multi-channel bio-med electric signals capturing device includes: a detection channel unit, a control unit, a voice signal generator and a computer device. The detection channel unit is provided to detect bioelectric signals produced from human body and amplify the same. The control unit is provided to capture the amplified bio-med electric signals based on a frequency conforming to a computer acceptable audient signal. The voice signal generator transmits the captured amplified bio-med electric signals to a microphone of the computer device, whereby a recording program built in the computer device records the input audient signal as a voice file. Accordingly, the user is able to monitor the bio-med electric signals by easily and simply using a computer device.

Abstract: A portable multi-parameter physiological monitoring and recording device includes multiple sensors, multiple detection channel units, a multiplexer, a clock generator, a controller, an analog switch, a recording unit and a storage unit. The sensors are attached on the body of a person for sensing physiological parameter signals. The detection channel units amplify the received physiological parameter signals. The multiplexer captures the amplified physiological parameter signals. The clock generator generates clock signals in the audio-frequency range. The controller controls the multiplexer to capture the amplified physiological parameter signals based on the clock signals generated by the clock generator. The analog switch outputs the amplified physiological parameter signals as an audio signal. The recording unit records the audio signals as an audio file. The storage unit stores the audio file.

Abstract: A planar lightwave apparatus includes a planar lightwave circuit (PLC) chip, a fiber array block (FAB) assembled to one face of the PLC chip, and a casing with one opening, wherein one end of the FAB extends out of the opening of the casing. The PLC chip includes an input optical waveguide, a plurality of output optical waveguides and a beam splitter for connecting the input optical waveguide and the output optical waveguides. The input optical waveguide and the output optical waveguides are arranged on the same face of the PLC chip. Therefore, the PLC chip needs only one-time coupling process with the FAB. The coupling process can be simplified and the packaging cost is reduced.

Abstract: A multi-channel bio-med electric signals capturing device includes: a detection channel unit, a control unit, a voice signal generator and a computer device. The detection channel unit is provided to detect bioelectric signals produced from human body and amplify the same. The control unit is provided to capture the amplified bio-med electric signals based on a frequency conforming to a computer acceptable audient signal. The voice signal generator transmits the captured amplified bio-med electric signals to a microphone of the computer device, whereby a recording program built in the computer device records the input audient signal as a voice file. Accordingly, the user is able to monitor the bio-med electric signals by easily and simply using a computer device.

Abstract: A system for monitoring heart and lung functions comprises an audio signal sensing unit, an audio signal processing unit, an electrocardiogram signal sensing unit, an electrocardiogram signal processing unit, and a microprocessor unit. The audio signal sensing unit senses audio signals, including a heart sound and a lung sound. The audio signal processing unit is connected to the audio signal sensing unit and processes the audio signals to obtain the heart sound and the lung sound. The electrocardiogram signal sensing unit senses an electrocardiogram signal. The electrocardiogram signal processing unit is connected to the electrocardiogram signal sensing unit and processes the electrocardiogram signal. The microprocessor unit is connected to the audio signal processing unit, the electrocardiogram signal processing unit and a computer host, and processes the heart sound, the lung sound and the electrocardiogram signal to be data that can be identified by the computer host.

Abstract: A wide passband optical interleaver includes a first optical splitter, having a first output terminal and a second output terminal. A first optical route is coupled to the first output terminal. A second optical route is coupled to the second output terminal. A delay is coupled on the second optical route. A second optical splitter having two input terminals is receiving the first optical route and the second optical route. A plurality of optical filter respectively having transmission coefficients ?i is coupled to the first optical route and the second optical route. The transmission coefficients ?i are determined by satisfying a desired quantity of effective group delay ratio T, defined as T = ? i ? S i ? 1 - ? i 1 + ? i , where ? ? S i ? ? is + 1 ? ? or - 1. where Si is +1 or ?1.

Abstract: A digital logic module of oximeter sensor probe includes a detection probe, an operation circuit, and an integrated circuit. This digital logic module of oximeter sensor probe is provided with the light source driving function and the light source capturing function for reducing loading of the microprocessor, so that a cheaper microprocessor can be used in the oximeter sensor for reducing the development cost of the oximeter.

Abstract: A wide passband optical interleaver includes a first optical splitter, having a first output terminal and a second output terminal. A first optical route is coupled to the first output terminal. A second optical route is coupled to the second output terminal. A delay is coupled on the second optical route. A second optical splitter having two input terminals is receiving the first optical route and the second optical route. A plurality of optical filter respectively having transmission coefficients ?i is coupled to the first optical route and the second optical route. The transmission coefficients ?i are determined by satisfying a desired quantity of effective group delay ratio T, defined as T = ? i ? S i ? 1 - ? i 1 + ? i , where ? ? S i ? ? is + 1 ? ? or - 1. where Si is +1 or ?1.

Abstract: An optical coupler is provided, which includes at least one first-type delay part having a delay quantity; at least one second-type delay part having a basic delay quantity and an adjustable delay quantity; and a plurality of optical splitting units. The plurality of optical splitting units is connected to the first-type delay part and the second-type delay part between an input end and an output end, for example, connected in a cascade manner, so as to obtain a stable effective coupling ratio. Alternatively, any desired stable effective coupling ratio may also be obtained by a set of the adjustable delay quantity.

Abstract: A refrigerator is disclosed. The refrigerator with a body fat meter calculates a body fat rate according to an impedance of a human body when the user touches both of the body fat detecting buttons, displays the body fat rate on a screen, and keeps a historical record of the detected body fat rate. According to the historical record of the detected body fat rate, the user may be aware of the increase of the body fat rate.

Abstract: A dynamic power equalizer comprises an array waveguide grating having an input waveguide and an output waveguide at one end, and an input waveguide group and an output waveguide group at the other end. The double loops are composed of the input waveguide and the output waveguide group, and the input waveguide group and the output waveguide are used to process the input optical signal components having different powers into the output optical signal having a single and equalized optical power through wavelength-division de-multiplexing and wavelength-division multiplexing, thus achieving dynamic optical power equalization.