Abstract: An image sensor includes n light receiving elements including first to n-th light receiving elements, each of the light receiving elements generating photoelectric conversion signals, n sequencers including first to n-th sequencers, each of the sequencers having both a sequencer input terminal to which a k-th horizontal control signal is input, and a sequencer output terminal from which a (k+1)-th horizontal control signal is output, and n switches including first to n-th switches, each of the switches having a switch input terminal to which a signal corresponding to the photoelectric conversion signal is input, a switch control terminal to which a k-th pixel control signal is input, and a switch output terminal which is electrically connected to the switch input terminal, wherein n is a natural number of 2 or more, and k is a natural number of 1 to n.

Abstract: To provide a fibrillation detector and a defibrillator that are capable of correctly detecting within a short time a ventricular fibrillation (VF) that shows an irregular amplitude or shape, an R-wave detection unit R_DETECT_MEAN converts power of a frequency component making up an R wave of an electrocardio signal ECG into an approximately DC component, and outputs the converted power as R-wave power V_R. A T-wave detection unit T_DETECT_MEAN converts power of a frequency component making up a T wave of the electrocardio signal ECG into an approximately DC component, and outputs the converted power as T-wave power V_T. The R-wave power V_R and the T-wave power V_T are input to a comparison unit CMP, and the comparison unit CMP outputs a magnitude comparison result between the R-wave power V_R and the T-wave power V_T as a comparison signal sig_comp.

Abstract: A biological signal detecting apparatus includes a BPF to which a biological signal is input via a lead directly connected to a subcutaneous tissue that emits the biological signal including a predetermined signal of a first frequency and which outputs a filtered biological signal by filtering a biological event signal of a predetermined frequency including the first frequency; and a peak detecting means to which at least the filtered biological signal is input and which detects a peak location of the biological event signal. The BPF includes a first order HPF which filters a frequency higher than a second frequency and a first order LPF which filters a frequency lower than a third frequency. The HPF and the LPF are connected in series between the lead and the peak detecting means. A difference between the second frequency and the third frequency is less than or equal to 10 Hz.

Abstract: A bioelectrical impedance measuring apparatus may include an impedance measuring unit configured to provide an inspection current based on a predetermined current to a living body, and obtain an inspection voltage corresponding to an impedance of the living body, an amplification unit configured to amplify the inspection voltage with reference to a correction voltage, an AD converter configured to AD-convert an output of the amplification unit, and a control unit configured to control the inspection current and the correction voltage based on an AD-converted result of the AD converter such that the output of the amplification unit is within an input dynamic range of the AD converter, and calculate an impedance average of the living body and an impedance variation of the living body based on the predetermined current, the correction voltage and the AD-converted result.

Abstract: To provide a fibrillation detector and a defibrillator that are capable of correctly detecting within a short time a ventricular fibrillation (VF) that shows an irregular amplitude or shape, an R-wave detection unit R_DETECT_MEAN converts power of a frequency component making up an R wave of an electrocardio signal ECG into an approximately DC component, and outputs the converted power as R-wave power V_R. A T-wave detection unit T_DETECT_MEAN converts power of a frequency component making up a T wave of the electrocardio signal ECG into an approximately DC component, and outputs the converted power as T-wave power V_T. The R-wave power V_R and the T-wave power V_T are input to a comparison unit CMP, and the comparison unit CMP outputs a magnitude comparison result between the R-wave power V_R and the T-wave power V_T as a comparison signal sig_comp.

Abstract: A chopper stabilized amplifier may include a modulation circuit that performs a digital conversion on an input signal so as to convert the input signal into a first modulated signal by using a modulation signal, the modulation signal being a rectangular wave having a predetermined frequency, an operational amplifier circuit that amplifies the first modulated signal so as to convert the first modulated signal into a second modulated signal, and a demodulation circuit that performs analog conversion on the second modulated signal so as to convert the second modulated signal into an output signal by using a demodulation signal, the demodulation signal having a waveform that corresponds to the differences between frequency components of the first modulated signal and the second modulated signal.

Abstract: A bioelectrical impedance measuring apparatus may include an impedance measuring unit configured to provide an inspection current based on a predetermined current to a living body, and obtain an inspection voltage corresponding to an impedance of the living body, an amplification unit configured to amplify the inspection voltage with reference to a correction voltage, an AD converter configured to AD-convert an output of the amplification unit, and a control unit configured to control the inspection current and the correction voltage based on an AD-converted result of the AD converter such that the output of the amplification unit is within an input dynamic range of the AD converter, and calculate an impedance average of the living body and an impedance variation of the living body based on the predetermined current, the correction voltage and the AD-converted result.

Abstract: A chopper stabilized amplifier may include a modulation circuit that performs a digital conversion on an input signal so as to convert the input signal into a first modulated signal by using a modulation signal, the modulation signal being a rectangular wave having a predetermined frequency, an operational amplifier circuit that amplifies the first modulated signal so as to convert the first modulated signal into a second modulated signal, and a demodulation circuit that performs analog conversion on the second modulated signal so as to convert the second modulated signal into an output signal by using a demodulation signal, the demodulation signal having a waveform that corresponds to the differences between frequency components of the first modulated signal and the second modulated signal.

Abstract: A front curtain is biased by a biasing force so as to move from a third position on an optical path of an optical system to a fourth position at which the front curtain does not block a subject image being imaged by the optical system in a direction parallel to an imaging surface of an imaging element IMG. A rear curtain is biased by a biasing force so as to move from the third position on the optical path of the optical system to the fourth position at which the rear curtain does not block the subject image being imaged by the optical system in a direction parallel to the imaging surface of the imaging element IMG. A multiocular lens is moved by one or both of a front curtain driving mechanism and a rear curtain driving mechanism between a first position on the optical path of the optical system and a second position at which the multiocular lens does not block the subject image being imaged by the optical system in a direction parallel to the imaging surface of the imaging element IMG.

Abstract: A focus detection device having a pair of light receiving sections (a first and second light receiving sections) which receive subject images observed from different view fields having parallax to accumulate charges is disclosed. The accumulation of the charges in the pair of light receiving sections is ended selectably based on an accumulation level of the charges at one light receiving section and an accumulation levels of the charges at both light receiving sections. Moreover/alternatively, the light receiving section has a plurality of light receiving units, and signals to end the accumulation of the charges at the respective light receiving units are sent to the first and second light receiving sections. In this case, a combination of the light receiving unit of the first light receiving section and the light receiving unit of the second light receiving section to which the signals are to be sent can be switched.

Abstract: There is disclosed a focus detection device having a light receiving section in which charges are generated and accumulated based on quantities of received lights and a charge accumulating section in which the charges accumulated in the light receiving section are transferred and accumulated. The focus detection device starts the accumulation of the charge in the light receiving section, when the charge accumulating section retains a reset state, and the device cancels the reset state of the charge accumulating section at a predetermined timing before the charges accumulated in the light receiving section are transferred to the accumulating section Moreover/alternatively, a focus detection device using a plurality of photo sensors is disclosed. A phase of a reading signal of a part of the photo sensors is different from that of a reading signal of another part.

Abstract: An adhesive layer is interposed between a head slider and a support member for fixing the head slider to the support member. A deformation body is interposed between the head slider and the support member. The deformation body has a coefficient of thermal expansion larger than that of the adhesive layer. The deformation body expands in response to rise in temperature. An internal force is induced in the head slider so as to distance the head slider away from the support member. Since the adhesive layer serves to fix the head slider to the support member, the internal force is transformed into stress in the head slider. The thermal expansion induces stress in the head slider in response to the rise in temperature. The stresses are balanced with each other, so that the head slider is prevented from deformation.