Abstract:
PROBLEM TO BE SOLVED: To provide a microphone device which can detect voice output from a sound source located on the main surface side of an electronic apparatus accurately while removing noise.SOLUTION: An MEMS microphone 110 (microphone device) includes a differential vibration part 14 which detects a sound wave based on the difference of sound pressure arriving through a first sound hole 201 and a second sound hole 202, respectively. The first sound hole 201 and second sound hole 202 are provided to extend toward the side face 22 intersecting the main surface 21 of a cellular phone 100 internally mounting the differential vibration part 14. One end 201a of the first sound hole 201 and one end 202a of the second sound hole 202 are arranged so that the vertical distances from the main surface 21 of a cellular phone 100 are different from each other.
Abstract:
PROBLEM TO BE SOLVED: To provide a driving method of a memory element, enabling more stable switching operations.SOLUTION: A memory element 10 comprises: an insulating substrate 1; a first electrode 2 and a second electrode 3 arranged on the insulating substrate; and an electrode gap portion 4 with a nanometer-order gap to cause a change in resistance value between the first electrode and the second electrode. In a driving method of the memory element 10 which can shift from a predetermined low resistance state to a predetermined high resistance state and can shift from the high resistance state to the low resistance state, a current pulse is applied to the memory element from a constant current circuit for shifting from the high resistance state to the low resistance state.
Abstract:
PROBLEM TO BE SOLVED: To provide a three-terminal switching element composed of a simpler structure and capable of stably performing switching operation. SOLUTION: The switching element 100 includes an insulating substrate 10, a first electrode 20 and a second electrode 30 set on the insulating substrate, an inter-electrode clearance 40 formed between the first electrode and second electrode and having a nanometer order clearance making a switching phenomenon of resistance occur by applying a predetermined voltage between the first electrode and the second electrode, and a sealing member 50 sealing at least the inter-electrode clearance with gaseous oxygen filled in the inter-electrode clearance. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To achieve high speed display and high speed erasing of high quality images without having a partition wall in an electrochromic display device of a passive matrix drive. SOLUTION: In the electrochromic display device 100 of the passive matrix drive, a first electrode 20 is a plurality of electrodes extending in parallel. A second electrode 40 is a plurality of transparent display electrodes extending in parallel to a direction orthogonal to the first electrode 20. Pixels 60 are formed on a region in which the first electrode 20 and the second electrode 40 are three-dimensionally intersected. When executing display, the first electrode 20 forming selected pixels 60 is a negative electrode, the second electrode 40 forming the selected pixels 60 is a positive electrode, and a voltage of a first potential difference is applied across the electrodes. Just after it, the first electrode 20 is a positive electrode, the second electrode 40 is a negative electrode, and a voltage of a second potential difference of equal or above to the first potential difference is applied between the electrodes. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a carrier which can achieve a higher rate reaction with a reactant supported on the carrier, to provide a reactant complex having the carrier, and to provide a method for producing the carrier. SOLUTION: This carrier 10 for supporting the reactant 20 selectively reacting with a specific substance comprises a substrate 11 having a plurality of mutually parallel through-holes 11a, and hollow fiber silica structures 12 formed along the inner walls 11a1 of the through-holes 11a in the through-holes 11a, wherein each silica structure 12 has a plurality of nanometer order size fine pores 12a in the wall surface, and the reactant 20 is immobilized to the insides of the fine pores 12a. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a voice input apparatus which is made compact and has high performance. SOLUTION: The voice input apparatus 2 includes a first housing 51 and a microphone unit 1 arranged in the first housing 51. The microphone unit 1 further includes: a second housing 11 in which a first sound hole 111 and a second sound hole 112 are arranged; a diaphragm 122 arranged in the second housing 11; and an electric circuit part 13 for processing an electric signal generated based on the vibration of the diaphragm 122. The voice input apparatus 2 includes a first sound guide space 513 for guiding sound outside the first housing 51 from a first opening 511 to a first surface 122a of the diaphragm 122 and a second sound guide space 514 for guiding the sound from a second opening 512 to a second surface 122b of the diaphragm 122. The electric circuit part 13 is arranged in the first sound guide space 513, and the voice input apparatus 2 includes an acoustic resistance part 52 for adjusting the frequency characteristics of the first sound guide space 513. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a microphone unit wherein an vibrating film is disposed at a position shifted from an opening part of a housing and no acoustic characteristic deteriorates even if a sidewall part and the housing come close or come into contact with each other. SOLUTION: A microphone unit 110A has a housing 611 including a first space in an inside. A housing 113 includes a housing opening part 611A communicating with the first space and the outside. The microphone unit 110A is further provided with a vibrating film 113 disposed inside the first space, an electrical circuit part 240 which outputs an electrical signal based on the vibration of the vibrating film 113 and a sidewall part 112A which is disposed inside the first space and is thicker than the vibrating film 113. The sidewall part 112A is disposed shifting the vibrating film 113 from below the housing opening part 611A by supporting a periphery of the vibrating film 113. The sidewall part 112A includes a sidewall opening part 112B communicating with a second space above the vibrating film 113 and an outside. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a sensor system capable of extending the life of a matrix sensor and capable of reducing troublesomeness at the time of detection. SOLUTION: The sensor system includes the matrix sensor 10 having a plurality of sensor parts 20 arranged in a two-dimensional matrixlike form and a sealing member 17 for cutting off a plurality of the respective sensor parts 20 from the outside and constituted so that the predetermined sensor part 20 of a plurality of the sensor parts 20 is specified and the sealing member 17 corresponding to the specified sensor part 20 is removed to acquire the detection data by the specified sensor part 20. COPYRIGHT: (C)2010,JPO&INPIT