103results about How to "Avoid desensitization" patented technology

A CMOS image sensor includes column-parallel ADCs. Each of the ADCs includes a comparator and an up/down counter. With this configuration, digital values of pixels in a plurality of rows can be added without using additional circuits, such as an adder and a line memory device, and the frame rate can be increased while maintaining constant sensitivity.

A semiconductor device including a pixel region in which one or more pixels are formed and a DRAM cell region in which one or more DRAM cells for storing output signals from the pixels are formed, characterized in that the layers constituting the pixel region and the DRAM cell region are formed in the same semiconductor process.

Disclosed herein is a system to stimulate at least a part of the vestibular system of a patient to induce a sensation of anorexia to promote weight loss. The system can include a thermal element, a power source, a conduit, and a control unit configured to regulate the temperature of the thermal element, the duration in which the thermal element is applied, the duration in between thermal stimuli, and/or the number of stimulus cycles to promote a sensation of anorexia in a patient while avoiding or minimizing undesirable side effects such as nausea, vomiting, nystagmus, or vertigo. Methods of using the system are also disclosed.

A photoelectric conversion device comprising a photo-electric conversion part including a first electrode layer, a second electrode layer and a photoelectric conversion layer provided between the first electrode layer and the second electrode layer, wherein light is made incident from an upper part of the second electrode layer into the photoelectric conversion layer; the photoelectric conversion layer generates a charge containing an electron and a hole corresponding to the incident light from the upper part of the second electrode layer; and the first electrode layer works as an electrode for extracting the hole.

An imaging device includes: a semiconductor substrate; a photoelectric converting film that is forms on the semiconductor substrate and that generates charges corresponding to an incident light; a plurality of pixel portions that receive the charges from the photoelectric converting film, a floating gate that is electrically connected to the photoelectric converting film; and a transistor that fluctuates a threshold voltage so as to start to increase a drain current when an electric potential of the floating gate changes.

The present invention provides a catalytic combustion type hydrogen gas sensor of a simple structure, which is capable of inhibiting the degradation of the sensitivity thereof over a long period of time even in the presence of a silicon compound being a catalyst poison. This hydrogen gas sensor is equipped with a detection element 1 having a sensing part 2 and a silicon trapping body 3. The sensing part 2 has a function of being heated by Joule heat generated by energization of the sensing part 2, a function of combusting hydrogen gas while being heated, and a function of outputting a change in electrical resistance of the sensing part 2 indicative of hydrogen gas concentration, the change in electrical resistance being caused by an increase in temperature of the sensing part 2 caused by the combustion heat of the hydrogen gas. The silicon trapping body 3 covering the sensing part 2 contains a silicon-trapping material that functions to trap a silicon compound from a gaseous matter passing through the silicon trapping body 3.

First inner gas holes 134a and first outer gas holes 144a of a gas sensor are formed so that the following conditions are satisfied: a first-inner-hole count Nin≧3, 0<an inner/outer hole count ratio Nr≦0.5, and 0<an inner/outer hole-area ratio Ar≦0.25, where the first-inner-hole count Nin represents the number of first inner gas holes 134a, a first-inner-hole average area Ain [mm²] represents (the total opening area of the first inner gas holes 134a)/(the first-inner-hole count Nin), a first-outer-hole count Nout represents the number of the first outer gas holes 144a, a first-outer-hole average area Aout represents (the total opening area of the first outer gas holes 144a)/(the first-outer-hole count Nout), the inner/outer hole count ratio Nr represents the first-inner-hole count Nin/the first-outer-hole count Nout, and the inner/outer hole-area ratio Ar represents the first-inner-hole average area Ain/the first-outer-hole average area Aout.

A magnetic head having a spin-valve type giant magnetoresistive film in which a non-magnetic high conductive oxidized stopper layer and an oxide protective layer with favorable magnetic characteristic for attaining high output, as well as a magnetic recording apparatus are provided, in which an additional non-magnetic high conductance oxidized stopper layer and an oxide film protective layer are laminated successively on the side of the surface adjacent to the soft magnetic free layer thereby increasing the giant magnetoresistive effect more than existent spin valve to prepare a high power magnetic head.

Orthogonal frequency division multiplexing (OFDM) has become a popular transmission method for high speed wireless radio transmission, due to its potential for low complexity of transmitters and receivers. A method and apparatus are contemplated for cancelling additive sinusoidal disturbances of a known frequency in OFDM receivers which arise e.g. from clock signals that are present for frequency reference, mixer control, and A/D converter control, as well as harmonics and mixing products of those periodic signals, coupling into some point in the receiver chain and appearing as rotating complex exponentials superimposed to complex baseband receive signals. According to the inventive method and apparatus an estimation of an amplitude and phase of a disturbing superimposed tone with a known frequency is obtained and the amplitude and phase estimation is used to cancel the spurious tone preventing a degradation of receiver sensitivity while achieving low implementation complexity.

A solid-state imaging device includes a silicon substrate, and a photoelectric conversion layer arranged on the silicon substrate and lattice-matched to the silicon substrate, the photoelectric conversion layer being composed of a chalcopyrite-based compound semiconductor of a copper-aluminum-gallium-indium-sulfur-selenium-based mixed crystal or a copper-aluminum-gallium-indium-zinc-sulfur-selenium-based mixed crystal.

A device for detecting particulates includes: a filter; a filter container; an upstream pipe; a downstream pipe; an upstream detecting unit; and a downstream detecting unit. The upstream detecting unit has a branch flow route for receiving gas from the upstream pipe, a trapping portion, a transmitting portion for transmitting an electromagnetic wave to the trapping portion, and a receiving portion for receiving an electromagnetic wave from the trapping portion. The downstream detecting unit has a branch flow route for receiving gas from the downstream pipe, a trapping portion, a transmitting portion for transmitting an electromagnetic wave to the trapping portion, and a receiving portion for receiving an electromagnetic wave from the trapping portion. The amount of the particulates trapped in the filter is detected based on a difference between detection values of the mass of the particulates trapped in the upstream and downstream trapping portions.

Disclosed a SQUID (Superconducting QUantum Interference Device) sensor using an auxiliary sensor, including: a SQUID sensing unit having a SQUID and a first feedback coil for creating a magnetic field at a periphery of the SQUID; an auxiliary sensor having a lower magnetic sensitivity and a higher operation range than the SQUID sensing unit; and a sensor reading unit for operating the SQUID sensing unit and the auxiliary sensor to read out a signal of the SQUID and at the same time, supplying the SQUID sensing unit with an offset magnetic field through the first feedback coil.

The invention provides a new nano fluorescence biosensor with a biological release control function as well as a preparation method and application thereof, wherein gold nano particles are used as an orifice cap of a gold nano cage. The sensor has the following characteristics: a DNA hybridization technology is adopted, and the gold nano particles are assembled on the surface of the gold nano cage to form an orifice cap switch to realize blocking of matters in the gold nano cage. The nano biosensor provided by the invention has the characteristics of simple structure, sensitive signal, strong controllability and the like. By adopting the nano fluorescence biosensor provided by the invention, high-sensitivity detection of ATP can be realized in a range of 1.0*10<-9>-1.0*10<-7>M; and the nano fluorescence biosensor has the advantages of sensitivity, economy, easiness in operation and the like, gains relatively great application potential and broad application prospects in the fields such as biomedicine and life science, and provides a new way and method for early diagnosis and treatment of serious diseases and particularly for the study and application of tumor-targeted drugs and photo-thermal therapy based on the nano carrier release control technology.

A touch sensor includes a base layer, sensing electrodes arranged on the base layer, a bridge electrode and a connecting portion. The sensing electrode layer includes first sensing electrodes arranged along a first direction parallel to a top surface of the base layer, and second sensing electrodes arranged along a second direction parallel to the top surface of the base layer. The bridge electrode is disposed on the sensing electrodes to electrically connect the first sensing electrodes neighboring in the first direction to each other. The bridge electrode includes an extension portion and expanded portions formed both ends of the extension portion. The expanded portion has a width greater than that of the extension portion. The connecting portion electrically connects the second sensing electrodes neighboring in the second direction and includes at least one etched region.

The present invention provides a solid-state imaging device in which sensitivity is prevented from lowering even when signals of pixels are mixed. The solid-state imaging device 1 includes a plurality of pixel units 11 and 11b each of which has a photoelectric conversion element, and is capable of summing signals corresponding to respective outputs of the photoelectric conversion elements of the pixel units. The device includes: a plurality of capacitors C2a and C2b, each of which individually accumulates electric charges corresponding to a signal outputted from the associated photoelectric conversion element; and a plurality of MOS transistors Qa and Qb which are alternately connected with the associated capacitor C2a or C2b. By disconnecting the MOS transistor Qa or Qb, the electric charges of the signal outputted from each of the photoelectric conversion elements are accumulated in each associated capacitor C2a or C2b, and by conducting the MOS transistors Qa and Qb to sum the signals of the pixel units, the capacitors C2a and C2b are connected in series.

The invention discloses a flame detector with the angle convenient to adjust. The flame detector comprises a detector body, a cooling portion and a fixing portion. The detector body comprises an outer shell, the outer shell is of a barrel-shaped structure, and the two ends of the cooling portion are connected to the open end of the outer shell of the detector body and the fixing portion respectively. The cooling portion comprises an air pipe and an air inlet formed in any position of the air pipe. The fixing portion comprises a mounting plate, a rolling ball and a ball seat, a ball-shaped cavity is formed in the ball seat, the ball seat is in bolted connection or threaded connection with the mounting plate, the rolling ball is located in the cavity, and the two ends of the air pipe are fixedly connected with the open end of the outer shell of the detector body and the rolling ball respectively. An air outlet is formed in the outer shell of the detector body. The flame detector is simple in structure, the detector body has the good angle adjusting performance relative to a monitoring point, and the angle can be conveniently adjusted in the mounting and using process of the flame detector. Meanwhile, the long-time sensitivity and the good cooling effect of the flame detector can be guaranteed through the structure of the flame detector.

The invention provides an infrared touch control method and system for an extractor hood. The infrared touch control method for the extractor hood comprises the following steps that S1, an infrared emitting device emits infrared light to a light filter periodically; S2, an infrared receiving sensor acquires infrared light reflected by the light filter, converts a light signal into an electric signal and sends the electric signal to an infrared touch controller, and the infrared touch controller judges the action of an infrared touch key on the light filter according to the received signal and electrically sends a corresponding control signal to a motor or a lighting lamp of the extractor hood; S3, the motor or the lighting lamp of the extractor hood receives the control signal sent by the infrared touch controller and gives a corresponding response. According to the infrared touch control method and system for the extractor hood, the infrared light emitting device emits infrared light to the light filter periodically so as to drive the infrared touch controller to control the extractor hood, compared with a capacitive touch type switch, the influence of oil water is small, long-term operation of the infrared emitting device is not needed, and stand-by power consumption and heating quantity are kept low.

The invention relates to a C2 front-end hydrogenation catalyst containing a carrier with two peaks pore size distribution and a preparation method. the C2 front-end hydrogenation catalyst comprises the following components by taking the mass of the carrier as 100%, 0.02-0.15 parts of palladium and silver, the mass ratio of silver to palladium is 9-1:1. by taking element mass of palladium and silver, the carrier of the catalyst is an alumina carrier with two peaks pore size distribution, and the carrier has the following physical properties: the bulk density is 0.7 to 1.1g/ml, the pore volume is 0.3 to 0.6ml/g, the specific surface area is 3 to 40m<2>/g, the average pore size is 80 to 400nm; and the carrier has two peaks when the pore size is 80 to 160nm and 400 to 590nm. The invention also discloses the preparation method of the hydrogenation catalyst.