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1. 发明专利

JP2002314963A COMMUNICATION SYSTEM 失效
公开(公告)号：JP2002314963A
公开(公告)日：2002-10-25
申请号：JP2001118954
申请日：2001-04-18
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , KIMURA EIJIYU , WATANABE TAKUMI
IPC分类号： H04N7/14 , G06F3/00 , G06F3/048
摘要： PROBLEM TO BE SOLVED: To provide a communication system capable of providing a sense of existing and a sense of spiritual connection between a certain person and the other party, by allowing them to indirectly share information in the background of their consciousness in the same way, at the time of recognizing the change of an environment without making it necessary to concentrate their consciousness in a computer network. SOLUTION: Surrounding information such as the peripheral environment information of a person or the presence/absence information of a person is always transmitted and received with the other registered party by using a sensor or a camera, and those persons are allowed to indirectly share the information in the background of their consciousness in the same way at the time of recognizing the change of an environment, by using the change of a display device or the change of the operation of an object. Thus, it is possible to provide a communication system for providing a sense of existence or a sense of spiritual connection between a certain person and the other party.

2. 发明专利

JP2002117272A METHOD FOR NET AUCTION AND USER INFORMATION MANAGEMENT SERVER USED FOR THE METHOD 失效
公开(公告)号：JP2002117272A
公开(公告)日：2002-04-19
申请号：JP2000305855
申请日：2000-10-05
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MIYAJIMA ASAMI , MAEDA YUJI , ITO YASUYUKI
IPC分类号： G06F12/14 , G06F12/00 , G06F21/62 , G06Q10/00 , G06Q30/02 , G06Q30/06 , G06Q30/08 , G06Q50/00 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To provide a method for net auction by which a load for inputting work on the side of a user is relived and a user information management server used for the method. SOLUTION: When selling side/buying side users 20-1 to 20-n input information on merchandise sold relating to merchandise desired to be sold, its displaying limit, its selling condition, etc., or information on merchandise bought relating to merchandise desired to be bought, its buying condition, etc., from a user terminal 21, the user information management server 22 installed on the side of a user add characteristic user information unrelated to the merchandise desired to be sold or the merchandise desired to be bought to the information automatically to transmit it to an auction information management server 12. When receiving the information on merchandise sold or the information on merchandise bought and the user information, the server 12 regards the user as a participant to the auction.

3. 发明专利

JPH06216557A ELECTROMAGNETIC SHIELD STRUCTURE 失效
公开(公告)号：JPH06216557A
公开(公告)日：1994-08-05
申请号：JP5321793
申请日：1993-02-19
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , MURAKAWA KAZUO , MASUDA HIDETOSHI , TOKUDA MASAMITSU
IPC分类号： H05K9/00
摘要： PURPOSE:To provide a cheap structure that, while securing air flow around an electronic device, suppresses radiation interference of specific frequency. CONSTITUTION:An electronic device 1 is surrounded with an electromagnetic shield body consisting of a conductive rod 3. The electromagnetic shield body has such shape as will resonate with electromagnetic wave of objective frequency. Radiation interference wave causes induced current at the electromagnetic shield body, and the electromagnetic wave, emitted from the electromagnetic shield body due to the induced current, cancels the radiation interference wave. Thus, while securing air flaw around an electronics device 1, the radiation interference of specific frequency is shielded. The electromagnetic shield body has a simple structure consisting only of the conductive rod 3, and is cheap.

4. 发明专利

JP2002041932A SYSTEM AND METHOD FOR DISTRIBUTING ADVERTISEMENT, COUPON UTILIZING METHOD, RECORDING MEDIUM WITH ADVERTISEMENT DISTRIBUTION PROGRAM RECORDED THEREIN, AND RECORDING MEDIUM WITH COUPON UTILIZING PROGRAM RECORDED THEREIN 失效
公开(公告)号：JP2002041932A
公开(公告)日：2002-02-08
申请号：JP2000227097
申请日：2000-07-27
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , TAJIMA KIMIHIRO , ITO YOSHIHIRO , KONNO MICHIHIRO
IPC分类号： G06Q50/00 , G06Q10/00 , G06Q30/02 , G06Q30/06 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To provide a system and method for distributing electronic advertisement and coupons to users of a network via an advertisement distribution server, a coupon utilizing method, a recording medium with the advertisement distribution program recorded therein, and a recording medium with a coupon utilizing program recorded therein. SOLUTION: Only advertisement requested by the users can be automatically distributed from the advertisement distribution server together with the coupons by completely converting advertisement information, coupon information and attributes of the users into electronic data and distributing via the network to protect paper resources, and automatically collecting and storing the attributes such as tastes of the users. The electronic coupons are stored in a portable terminal and an IC card, and automatically acquired by traders when the coupons are used, and the traders can automatically utilize information on the users utilizing the coupons as customer information by automatically adding user information to the coupons.

5. 发明专利

JP2001160982A BASE STATION LAYOUT DESIGN METHOD FOR WIRELESS COMMUNICATION SYSTEM AND RECORDING MEDIUM WITH BASE STATION LAYOUT DESIGN PROGRAM RECORDED THEREON 失效
公开(公告)号：JP2001160982A
公开(公告)日：2001-06-12
申请号：JP34259199
申请日：1999-12-01
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： TAKATANI KAZUHIRO , MAEDA YUJI
IPC分类号： H04W24/06 , H04B7/26 , H04W16/18 , H04Q7/36
摘要： PROBLEM TO BE SOLVED: To estimate communication area by using reception strength, a delay dispersion, a desired wave versus interference power ratio and signal-to-noise power ratio for evaluation parameters. SOLUTION: The required transmission quality is specified, which is defined by the error rate of a wireless communication system, a minimum reception level satisfying the required transmission quality is specified from an error rate characteristic with respect to the ratio of energy per bit with respect to noise power density, the maximum delay dispersion satisfying the required transmission quality from the delay characteristic of the wireless communication system is specified, the required signal to noise power ratio and the required desired wave versus interference power ratio which satisfies the required transmission quality from the noise characteristic and the interference characteristic of the wireless communication system are respectively specified. Then the communication area is estimated by using the minimum reception level, the maximum delay dispersion, the desired wave versus interference power ratio and the signal to noise power ratio that are specified for evaluation parameters.

6. 发明专利

JP2001094574A RADIO LAN SYSTEM 失效
公开(公告)号：JP2001094574A
公开(公告)日：2001-04-06
申请号：JP27054999
申请日：1999-09-24
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： TAKATANI KAZUHIRO , MAEDA YUJI
IPC分类号： H04L1/16 , H04L12/28 , H04L12/70 , H04L29/08 , H04W24/00 , H04W28/04 , H04W28/18 , H04W84/12 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To actualize a radio LAN system which makes the required S/N small not decreasing the throughput. SOLUTION: The bit error rate in use environment is measured and the number of continuous transmission frames (window size) is controlled according to the bit error rate.

7. 发明专利

JPH07162188A ELECTROMAGNETIC SHIELDING EQUIPMENT 失效
公开(公告)号：JPH07162188A
公开(公告)日：1995-06-23
申请号：JP34038293
申请日：1993-12-09
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , MASUDA HIDETOSHI , YAMANE HIROSHI , TOKUDA MASAMITSU
IPC分类号： H05K9/00
摘要： PURPOSE:To take measures against electromagnetic interferential wave, including treatment of the cable led out of an electronic device, by putting a cover covering the cable and a structure enclosing the device in the same potential level. CONSTITUTION:An electronic device 1 is enclosed with a structure 4 including conductor rods 5, and the cable 3 led out of the electronic device 1 is covered with a conductive cover 7. The end of the cover 7 on the structure side is connected with the plane forming member 6 of the structure 4, and the cover 7 and the place forming member 6 are put in the same potential level. Electromagnetic interferential wave radiated from the electronic device 1 and its cable 3 produce induced current in the structure 4 and the cable 4. The induced current in turn radiates electromagnetic wave. The electromagnetic waves satisfy the boundary condition of electrolysis on the conductor rods 5, plane forming member 6 and cover 7; therefore, they so act as to counteract the electromagnetic interferential wave radiated from the electronic device 1 and its cable 3. This reduces the electromagnetic fields within and around the structure 4.

8. 发明专利

JPH06249899A ESTIMATING METHOD OF ELECTROMAGNETIC FIELD DISTRIBUTION 失效
公开(公告)号：JPH06249899A
公开(公告)日：1994-09-09
申请号：JP5635793
申请日：1993-02-23
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , MURAKAWA KAZUO , IDEGUCHI TAKESHI
IPC分类号： G01R29/08
摘要： PURPOSE:To prevent the generation of an electromagnetic trouble by estimating a countermeasure to interference wave only by the measurement and numeric calculation of the radiated interference wave of an electronic device in a test site for radiated interference wave. CONSTITUTION:A computer 10 controls an antenna tower 22 by use of an antenna driving device 21 to move it in a position where a field strength can be formed in the measuring point on a measuring surface S. The computer 10 then controls the tower 22 by use of the device 21 to rotate a moving antenna 7 in a position as being capable of sensing a field component parallel to a metal ground surface 3. In the measuring point on the measuring surface S, the strength distribution measurement for horizontal polarization component of electric field is conducted. The computer 10 rotates a turn table 4 by use of a turn table driving device 23. When an electronic device 5 is rotated by the table 4, electric fields in N-measuring points in the circumferential direction of the measuring surface S are sensed by the antenna 7, and an interference wave measuring device 9 determines a field strength on the basis of this sensor output.

9. 发明专利

JP2001168812A COMMUNICATION CHARACTERISTIC CONTROL METHOD FOR INDOOR RADIO COMMUNICATION SYSTEM 失效
公开(公告)号：JP2001168812A
公开(公告)日：2001-06-22
申请号：JP34843699
申请日：1999-12-08
申请人： NIPPON TELEGRAPH & TELEPHONE , NTT POWER & BUILDING
发明人： MAEDA YUJI , TAKATANI KAZUHIRO , SHIOKAWA KANYA , OSANAGA AKIHIKO
IPC分类号： H04B17/00 , G01R29/08 , H04B17/391 , H04W16/20 , H05K9/00 , H04Q7/36
摘要： PROBLEM TO BE SOLVED: To provide a communication characteristic control method for indoor radio communication system that can reduce electromagnetic interference caused by a radio wave from a radio base station of other system and an indoor environment, in the case of utilizing the indoor radio communication system such as radio LAN. SOLUTION: This communication characteristic control method is used for the indoor radio communication system, to control a communication characteristic of a radio communication system consisting of a radio base station and one or more terminal stations that are installed in one indoor place. The communication characteristic control method is characterized, in that a radio wave propagation characteristic between the radio base station placed at a specific position and the terminal station or a radio wave propagation characteristic between a radio station belonging to other radio communication system, and the terminal station is obtained through a simulation or a measurement, one or more communication characteristic control positions, requiring absorption of the radio wave in the indoor place are decided on the basis of the obtained radio wave propagation characteristic and a barrier having a radio wave absorbing function, are placed at the communication characteristic control positions.

10. 发明专利

JP2001099880A ELECTROMAGNETIC FIELD ANALYZING METHOD AND RECORD MEDIUM RECORDING ANALYTICAL PROGRAM 失效
公开(公告)号：JP2001099880A
公开(公告)日：2001-04-13
申请号：JP28163699
申请日：1999-10-01
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： MAEDA YUJI , TAKATANI KAZUHIRO
IPC分类号： G01R29/08 , G06F17/00 , G06F17/50 , G06F19/00 , G06Q50/00 , G06Q50/08
摘要： PROBLEM TO BE SOLVED: To provide a method for simulating an electromagnetic field of actual buildings and offices with extremely less labor, by a method wherein structure information of complicated building and offices needs massive labor in encoding strictly for analyzing an electromagnetic field, and a generic construction CAD data is utilized for the structure information. SOLUTION: In an electromagnetic field analyzing method which analytically clarifies a radio wave propagation characteristic, and evaluates electromagnetic environment, a structure information is extracted from a data file of a generic construction CAD, the extracted information is processed to an available form for electromagnetic field analysis, and the electromagnetic field analysis is made based on information processed to the available form, thereby executing the electromagnetic field analyzing method.

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