Abstract: To provide an infrared sensor that allows heat to be efficiently transferred from an insulating film to a heat sensitive element and has a good responsivity. The infrared sensor according to the present invention includes an insulating film 2; a pair of first adhesive electrodes 3A that is patterned on either surface of the insulating film; a pair of first terminal electrodes 4A that is patterned on either surface of the insulating film; a first heat sensitive element 5A that is provided on either surface of the insulating film and is connected to the pair of first adhesive electrodes; a pair of first pattern wiring parts 6A that is patterned on either surface of the insulating film with one end thereof being connected to the pair of first adhesive electrodes and the other end thereof being connected to the pair of first terminal electrodes; and a heat transfer film 7.

Abstract: To provide an infrared sensor that allows heat to be efficiently transferred from an insulating film to a heat sensitive element and has a good responsivity. The infrared sensor according to the present invention includes an insulating film 2; a pair of first adhesive electrodes 3A that is patterned on either surface of the insulating film; a pair of first terminal electrodes 4A that is patterned on either surface of the insulating film; a first heat sensitive element 5A that is provided on either surface of the insulating film and is connected to the pair of first adhesive electrodes; a pair of first pattern wiring parts 6A that is patterned on either surface of the insulating film with one end thereof being connected to the pair of first adhesive electrodes and the other end thereof being connected to the pair of first terminal electrodes; and a heat transfer film 7.

Abstract: The infrared sensor according to the present invention includes an insulating film; a pair of first terminal electrodes; a pair of second terminal electrodes; a first heat sensitive element; a second heat sensitive element; a pair of first pattern wiring parts and a pair of second pattern wiring parts that are patterned on either surface of the insulating film; an infrared-receiving region that is provided on the other surface of the insulating film so as to oppose to the first heat sensitive element; and an infrared reflection film that is formed on the other surface of the insulating film so as to avoid the infrared-receiving region and to cover at least the portion immediately above the second heat sensitive element, wherein the infrared reflection film has a thermal coupling part in proximity to a portion of the first pattern wiring part.

Abstract: Provided are an infrared sensor and an infrared sensor device that are less susceptible to effects from the casing and lead wires, can be surface-mounted, and can measure the temperature of the object to be measured in a more accurate manner. This invention has: an insulating film; a first and a second heat sensitive element provided on the insulating film; a first and a second wiring film that are respectively connected to the heat sensitive elements; an infrared reflecting film; a terminal support body, arranged on the one face; and a plurality of mounting terminals provided to the terminal support body, wherein the mounting terminals have support convex parts protruding upward, the support convex parts are connected to the corresponding first and second wiring films, and the insulating film is supported such that a gap is provided between the terminal support body and the insulating film.

Abstract: To provide an infrared sensor apparatus that has a small profile and has a small heat capacity of the light guiding path member, and therefore can measure a temperature with high accuracy. The present infrared sensor apparatus includes: an infrared sensor body and a light guiding path member that is provided so as to surround at least the infrared receiving surface of the infrared sensor body and that has an opening immediately above the infrared receiving surface, wherein the light guiding path member is made of a plate material and at least one of the surfaces surrounding the infrared receiving surface is an infrared reflecting surface that is composed of an inclined plate part with the surface thereof on the infrared receiving surface side being inclined towards the opening side.

Abstract: To provide a temperature detection circuit that can detect the high-temperature anomaly of a fuser roller or the like with high accuracy over a wider range of temperature. The temperature detection circuit includes a differential output detection circuit portion C1 having a detection thermistor and a compensation thermistor configured to amplify a difference between an output of the detection thermistor and an output of the compensation thermistor and to detect it as a first differential output; a second differential amplifier portion C2 configured to amplify a difference between the first differential output and the output of the compensation thermistor and to output it as a second differential output; and an AD converter portion C3 configured to convert the output of the compensation thermistor and the second differential output into digital values.

Abstract: The infrared sensor according to the present invention includes an insulating film; a pair of first terminal electrodes; a pair of second terminal electrodes; a first heat sensitive element; a second heat sensitive element; a pair of first pattern wiring parts and a pair of second pattern wiring parts that are patterned on either surface of the insulating film; an infrared-receiving region that is provided on the other surface of the insulating film so as to oppose to the first heat sensitive element; and an infrared reflection film that is formed on the other surface of the insulating film so as to avoid the infrared-receiving region and to cover at least the portion immediately above the second heat sensitive element, wherein the infrared reflection film has a thermal coupling part in proximity to a portion of the first pattern wiring part.

Abstract: An abnormal temperature detection circuit according to the present invention includes: a differential output detection circuit portion C1 having a detection thermistor and a compensation thermistor configured to detect a differential output between an output of the detection thermistor and an output of the compensation thermistor; a threshold setting circuit portion C2 that is an analog circuit configured to change a determination threshold for determining whether a temperature detected by the detection thermistor is an abnormal temperature in accordance with the output of the compensation thermistor and to output the changed determination threshold; and an abnormal temperature determination circuit portion C3 configured to output an abnormal temperature detection signal when the differential output is lower than the determination threshold that has been output.

Abstract: Provided is an infrared sensor which is capable of measuring a temperature of an object to be measured with high accuracy even when lead wires are connected to one side thereof. The infrared sensor includes an insulating film; a first and a second heat sensitive element which are provided on one face of the insulating film; a first and a second wiring film that are respectively connected to the first and the second heat sensitive element; an infrared reflecting film; a plurality of terminal electrodes; and a thermal resistance adjusting film which is provided on the other face of the insulating film, is in opposition to at least a portion of the longer one of the first or the second wiring film in wiring distance from the terminal electrodes, and is formed of a material with greater heat dissipation than the insulating film.

Abstract: Provided are an infrared sensor and an infrared sensor device that are less susceptible to effects from the casing and lead wires, can be surface-mounted, and can measure the temperature of the object to be measured in a more accurate manner. This invention has: an insulating film; a first and a second heat sensitive element provided on the insulating film; a first and a second wiring film that are respectively connected to the heat sensitive elements; an infrared reflecting film; a terminal support body, arranged on the one face; and a plurality of mounting terminals provided to the terminal support body, wherein the mounting terminals have support convex parts protruding upward, the support convex parts are connected to the corresponding first and second wiring films, and the insulating film is supported such that a gap is provided between the terminal support body and the insulating film.

Abstract: Provided is an infrared sensor which is capable of measuring a temperature of an object to be measured with high accuracy even when lead wires are connected to one side thereof. The infrared sensor includes an insulating film; a first and a second heat sensitive element which are provided on one face of the insulating film; a first and a second wiring film that are respectively connected to the first and the second heat sensitive element; an infrared reflecting film; a plurality of terminal electrodes; and a thermal resistance adjusting film which is provided on the other face of the insulating film, is in opposition to at least a portion of the longer one of the first or the second wiring film in wiring distance from the terminal electrodes, and is formed of a material with greater heat dissipation than the insulating film.

Abstract: The present invention provides an audio/visual data communication system including an audio/visual data reproducing device capable of changing the type of data to be transmitted. Further, the present invention provides an audio/visual data transmitting device and an audio/visual data reproducing device forming the audio/visual data communication system. An audio data reproducing speaker 3 includes an instruction input unit 33 that inputs an instruction to change data transmitted from an audio data transmitting device, a message generating unit 32 that generates a message for requesting to change data on the basis of the instruction, and a message transmitting unit 31 that transmits the message.

Abstract: The personal computer adaptor device is provided with an adaptor-side signal input terminal connectable to a headphone terminal for audio signals of a personal computer, a control signal output terminal connectable to a microphone terminal of the personal computer, a plug unit connectable to an outlet jack of a power line, a digital converter for converting audio signals inputted from the adaptor-side signal input terminal into digital signals, an adaptor-side power line communication transmitting unit for transmitting audio signals via the power line connected to a plug unit, an adaptor-side power line communication receiving unit for receiving control signals of the personal computer transmitted from the output device connected to the power line via the power line connected to the plug unit, and an analog converter for converting control signals into analog signals and outputting them from the control signal output terminal.

Abstract: There is provided a data communication system that performs power line communication having satisfactory communication quality by disposing data in channels where notches or noises do not exist in a distributed manner.

Abstract: The power line communications system of the present invention comprises a power line L that has a plurality of branch lines LB1 to LBn branched at a branch point; communications devices T1 to Tn that are connected to the branch lines LB1 to LBn and perform sending and receiving of data via the branch lines LB1 to LBn; and a relay device 1 that is disposed at the branch point and relays sending of the data. It is also provided with a branching device Y that consists of a plurality of couplers K1 to Kn that couple the relay device 1 and the plurality of branch lines LB1 to LBn and have different resonance frequencies for each of the respective branch lines LB1 to LBn, with the relay device 1 performing sending of data by changing the communication frequency to the resonance frequency of the branch lines LB1 to LBn through which the data are sent.

Abstract: The invention provides a data communication system in which synchronization is taken between devices transmitting and receiving continuously reproduced data such as audio signals or visual signals by using a power line, and data delay is compensated for, a data reproducing device, and a method of reproducing data. The data reproducing device includes an audio data receiving unit 31 that receives data transmitted by a data transmitting device, a data buffer 32 that temporarily accumulates the received data, and a data amount monitoring unit 33 that monitors an amount of the accumulated data. Further, the data reproducing device includes a voltage control oscillator 34 that outputs an electric signal such that when the monitored data amount is ‘greater’, ‘equal’, or ‘smaller’ than a threshold value within a predetermined range, an oscillation frequency is ‘increased’, ‘maintained’, or ‘decreased’.

Abstract: The present invention provides an audio/visual data communication system including an audio/visual data reproducing device capable of changing the type of data to be transmitted. Further, the present invention provides an audio/visual data transmitting device and an audio/visual data reproducing device forming the audio/visual data communication system. An audio data reproducing speaker 3 includes an instruction input unit 33 that inputs an instruction to change data transmitted from an audio data transmitting device, a message generating unit 32 that generates a message for requesting to change data on the basis of the instruction, and a message transmitting unit 31 that transmits the message.

Abstract: A wireless temperature sensor that is attached to the patient's skin in order to measure the patient's temperature, thereby adopting a patient moving in the facilities as a measuring object. The wireless sensor is a wireless temperature sensor?having a function of wirelessly transmitting measured data through a chip antenna, and the chip antenna has a length of a shortening coefficient so as to be received in a container, and is received in the container. In addition, the invention provides a wireless interface device in which a wireless communication function is provided to a wireless communication card having a low carrier frequency, a small antenna, an enlarged communication distance, and low power consumption. Furthermore, the invention provides a wireless sensor system in which the sensor notifies a patient of surrounding environment information by a wireless communication device whereby a base station collects the environment information from a plurality of sensors.

Abstract: The present invention relates to a radio server system. The communications service area of this radio server system is made of a plurality of zones and the radio server system connects to the Internet via a radio server in which a mobile radio is connected to a base station radio by carrying out data communications between base station radios in each of the zones and a plurality of mobile radios such that the base station radio continuously sends data and the mobile radio sends a burst signal to the base station radio, wherein the base station radio communicates using a single frequency that is different from the frequency used by neighboring base station radios, and each mobile radio detects the frequency used by the base station radio in the base station radio's zone and communicates with the base station radio using the detected frequency.

Abstract: The present invention relates to a radio server system. The communications service area of this radio server system is made of a plurality of zones and the radio server system connects to the Internet via a radio server in which a mobile radio is connected to a base station radio by carrying out data communications between base station radios in each of the zones and a plurality of mobile radios such that the base station radio continuously sends data and the mobile radio sends a burst signal to the base station radio, wherein the base station radio communicates using a single frequency that is different from the frequency used by neighboring base station radios, and each mobile radio detects the frequency used by the base station radio in the base station radio's zone and communicates with the base station radio using the detected frequency.