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1. 发明专利

JPH075147A TASTE SENSOR AND ORGANIC FILM THEREFOR 失效
公开(公告)号：JPH075147A
公开(公告)日：1995-01-10
申请号：JP26954192
申请日：1992-09-12
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO , SATO KATSUSHI
IPC分类号： G01N27/333
摘要： PURPOSE:To obtain taste information, especially of sweet taste, in which measurement error is suppressed by arranging a molecule group of bitter taste substance while covering the entire surface of an electrode on the side coming into contact with a liquid to be measured so that sum of charges at the hydrophilic part directing toward the contacting part will be zero. CONSTITUTION:Molecule groups 61, 62 of a bitter taste substance are arranged on a base film 9 formed on a substrate 1 while directing the hydrophilic part outward over the entire surface of an electrode 2 on the side coming into contact with a liquid to be measured thus forming a single molecule film. In this regard, the molecule group 61 to be charged positive in an aqueous solution is mixed with the molecule group 62 to be charged negative at such ratio as the total charge will be zero thus substantially nullifying the reaction of an electrolyte, for detecting the acid and salty tastes, on the anion and cation. Since a taste sensor having conditioned surface charge is employed, taste information is increased and the sensor can be employed effectively even in case of sweet taste. For example, the weight of sweet taste term is increased in the simultaneous equations of taste in order to suppress measurement error of sweet taste.

2. 发明专利

JPH0464053A DETECTING METHOD OF TASTE 失效
公开(公告)号：JPH0464053A
公开(公告)日：1992-02-28
申请号：JP17658490
申请日：1990-07-04
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , TACHIKAWA RIEKO
IPC分类号： G01N27/416 , G01N33/00 , G01N33/14 , G01N33/487
摘要： PURPOSE:To make reproducibility of a measured value excellent and to enable attainment of a taste standing comparison with the one of a human being, by a method wherein a taste sensor is immersed sufficiently in a reference liquid approximating to a sample liquid to be measured, a stimulus is given in each measurement, and measurement is conducted when an inner-membrane potential changes slowly after a surface potential becomes stable. CONSTITUTION:After a taste sensor using a lipid membrane is immersed for a sufficient time in a reference liquid which is a water solution of a substance of a basic taste of the same kind with a sample liquid to be measured and approximates thereto in a taste, a stimulus is given to the sensor by putting it in and taking it out of a reference liquid for washing, and then measurement is made by a reference liquid for measurement. This operation is repeated and thereby the sample liquid is made stable so that a difference between them be a prescribed value or below. After the washing is conducted likewise by a sample liquid to be measured which is used for washing, subsequently, measurement is executed by the sample liquid for measurement. In this way, nonuniformity is reduced by lessening the difference between the reference liquid and the sample liquid to be measured, a measuring time is shortened by conducting measurement when an inner-membrane potential changes slowly after a surface potential becomes stable and, in addition, the change of the inner-membrane potential. can be canceled by repetition of the measurement. By this method, measurement can be conducted with excellent reproducibility.

3. 发明专利

JPH03163351A TASTE DETECTING SYSTEM 失效
公开(公告)号：JPH03163351A
公开(公告)日：1991-07-15
申请号：JP30375089
申请日：1989-11-22
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU
IPC分类号： G01N33/483 , G01N27/327 , G01N27/416
摘要： PURPOSE:To make it possible to evaluate and analyze taste objectively and automatically by receiving a plurality of outputs from taste sensors, and outputting the intensities of plural kinds of basic tastes from a neuron circuit network. CONSTITUTION:The formation of a taste detecting system utilizing the response characteristic for the output of a state sensor using a lipid film, e.g. the basic material of taste in a film potential, is intended. Then, the response characteristics when a plurality of the basic materials of tastes are mixed are classified. These response characteristics are stored in a neuron network for leading. As the leading means, the samples of the basic testers and the mixed tastes whose contents are known are prepared. The output of a sensor for each solution is inputted into the neuron network. The coupling coefficient between the neuron elements in the neuron network is changed so that the error between the output at this time and the intended output becomes zero. Then, the arbitrary taste (the mixed taste and the taste having the different concentration) formed of the basic material of the taste in detected quantatively.

4. 发明专利

JPH0354446A TASTE SENSOR AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH0354446A
公开(公告)日：1991-03-08
申请号：JP19081989
申请日：1989-07-24
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
IPC分类号： G01N27/327 , G01N27/333 , G01N27/416 , G01N33/00 , G01N33/487
摘要： PURPOSE:To provide a function similar to the taste of a human being by forming a film using the principal constituent of a taste receptive film said to be lipid as a material and detecting the electrical characteristics possessed by the film. CONSTITUTION:This sensor is constituted of a lipidic molecule group having a hydrophobic region extending in the longitudinal direction in atomic arrangement and the hydrophilic region present in the atomic arrangement so as to extend in the longitudinal direction and the film having the matrix capable of receiving the lipidic molecule group on the surface thereof. At least a part of the lipidic molecule group is received in the matrix of the film so that the hydrophilic region thereof is arranged to the surface of the film. Then, a film is formed by using the pricipal constituent of a taste receptive film said to be lipid as a material and the electrical characteristics possessed by the film are detected. By this method, the function similar to the taste of a human being can be provided.

5. 发明专利

JP2001004583A TASTE SENSOR 失效
公开(公告)号：JP2001004583A
公开(公告)日：2001-01-12
申请号：JP2000159270
申请日：2000-05-29
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO , SATO KATSUSHI , MINATOGUCHI TADASHI , KOBAYASHI YUZURU , TAKASUGI KAZUHIRO
IPC分类号： G01N27/404 , G01N27/333 , G01N27/416
摘要： PROBLEM TO BE SOLVED: To fully exhibit the function of a taste sensor for a long time by installing a through hole that is open to the fresh air at an electrode or near it, allowing gas to escape through a film for detecting taste into the fresh air through the through hole, and preventing the gas from being accumulated between the film and the electrode. SOLUTION: A cylinder made of acryl with a thickness of approximately 3 mm is used as a substrate 1. One end of the cylinder is covered with a lid 1a made of an acryl plate so that no solution to be measured enters the cylinder. A hole 2 (3 mmϕ) is punched into a substrate 1, a round rod made of silver with a through hole 6 of 1 mmϕ inserted axially into the hole 2 as an electrode 3. Terahydrofuran is dripped onto one end of the electrode 3 and an acryl plate around it as an adhesive to paste a square film 4 for detecting taste whose one side is approximately 10 mm and is prepared in advance so that the electrode 3 is covered. A lead wire 5 is soldered to the other end of the electrode 3. Gas through the film 4 for detection passes through the inside of the acryl cylinder as the substrate 1 and escapes into the fresh air. In this manner, the created taste sensor is capable of measurement for one month.

6. 发明专利

JPH075146A ORGANIC SEMICONDUCTOR FILM AND SENSOR EMPLOYING THE SAME 失效
公开(公告)号：JPH075146A
公开(公告)日：1995-01-10
申请号：JP29783092
申请日：1992-10-09
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： HAYASHI KENJI
IPC分类号： G01N27/327 , G01N27/416
摘要： PURPOSE:To realize an organic semiconductor film in which the surface state of film can be measured and information can betaken out separately from a part of the film. CONSTITUTION:The film is composed of a lipidic molecule group 2 the state of which is changed by a chemical substance, e.g. a taste substance, an organic semiconductor particle group 1 generating a signal upon irradiation with light, acceptors doped to the organic semiconductor particle group 1 in order to promote propagation of thus generated signal through the particle group 1, and a bonding material for forming a film including the lipidic molecule group 2, the organic semiconductor particle group 1 and the acceptors.

7. 发明专利

JPH04324351A SENSOR 失效
公开(公告)号：JPH04324351A
公开(公告)日：1992-11-13
申请号：JP12263691
申请日：1991-04-24
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO , SATO KATSUSHI
IPC分类号： G01N27/00 , G01N27/12 , G01N27/327 , G01N27/416
摘要： PURPOSE:To improve orienting property and endurance while enabling a non- electrolytic measurement by arranging a group of hydrophobic groups each bonded chemically to a substrate electrode to cover the entire surface thereof contacting a solution to be measured of the substrate electrode. CONSTITUTION:A functional group is introduced into the surface of a substrate electrode 1 comprising a carbon-based electrode and a metal electrode or a metal oxide semiconductor electrode. A hydrophobic group 2 of an amphipathic substance or a bitter substance for various sensors is modified using a normal organic chemical reaction so that the group of hydrophobic groups 2 is bonded 3 chemically to the substrate electrode 1 immediately. This enables the producing of a taste sensor using a monomolecular film made of the group of hydrophobic groups 2, amphipathic substance or the like having endurance, excellent orienting propery and limited variations in quality and moreover, a sensor highly sensitive to non-electrolyte such as sugar.

8. 发明专利

JPH04297863A TASTE MEASURING METHOD 失效
公开(公告)号：JPH04297863A
公开(公告)日：1992-10-21
申请号：JP8759891
申请日：1991-03-27
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO , SATO KATSUSHI
IPC分类号： G01N27/416 , G01N33/00
摘要： PURPOSE:To achieve an accurate measurement of taste with a simple signal processing by reducing the number of learning data even in the measurement of taste with a gustation sensor using a lipid film or the like. CONSTITUTION:This utilizes that relationship between an output of a gustation sensor and intensity of individual basic taste becomes linear in a certain limited range. Sensitivities of respective sensors for the individual basic tastes are determined using a matter with the taste thereof being similar or identical to the object to be measured as reference. The sensitivities obtains are used to formulate simultaneous equations for an output when the object to be measured is measured with the respective gustation sensors and for the intensity of the individual basic tastes. The equations are solved to determine the intensities of the individual taste.

9. 发明专利

JPH04238263A TASTE SENSOR AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH04238263A
公开(公告)日：1992-08-26
申请号：JP2045091
申请日：1991-01-21
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO
IPC分类号： G01N27/02 , G01N27/327 , G01N27/416
摘要： PURPOSE:To obtain a membrane for a stable taste sensor having good reproducibility and little dispersion in the measurement of a flavor in place of the taste of a human by utilizing both an amphipathic material containing a lipid which has been difficult to be utilized in the conventional lipid membrane structure and a bitter material which has not been considered to be utilized so far as the material of a taste sensor. CONSTITUTION:A uniform layer of an amphipathic molecule group 3 or a bitter material molecule group 3 with a hydrophilic group arranged on the outside is formed on a substrate 1 stuck with an amphipathic material or a material 2 affinitive with the hydrophobic group of the bitter material such as a glass flat plate dipped in stearic acid or polyvinyl chloride containing a plasticizer.

10. 发明专利

JPH04303755A TASTE SENSOR 失效
公开(公告)号：JPH04303755A
公开(公告)日：1992-10-27
申请号：JP9315791
申请日：1991-03-29
申请人： ANRITSU CORP , SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI
发明人： SANTO KAORU , TOKO KIYOSHI , HAYASHI KENJI , IKEZAKI HIDEKAZU , HIGASHIKUBO RIEKO
IPC分类号： G01N27/416
摘要： PURPOSE:To realize a taste sensor using a single monomolecular film such as amphiphilic material whose time characteristic is excellent and quality dispersion is less. CONSTITUTION:This sensor comprises a monomolecular film 3 such as an amphiphilic material, a base film 2 for supporting the monomolecular film 3 such as amphiphillc material, a substrate 1 whose surface is covered with the base film 2, an electrode 5 which is inserted into a hole penetrating the substrate 1 and measures a film potential and a buffer layer 4 which is provided between the base film 2 and the electrode 5.

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