专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPH08102749A ATM SWITCH AND PATH REPLACING METHOD BY THE ATM SWITCH 失效
公开(公告)号：JPH08102749A
公开(公告)日：1996-04-16
申请号：JP12270495
申请日：1995-05-22
申请人： FUJITSU LTD
发明人： TOMONAGA HIROSHI , MATSUOKA NAOKI , KAWAI MASAAKI , KATO MASABUMI , WATANABE YOSHIKI , NAKAJIMA HIDENAO , KATO TSUGIO , SOMIYA TOSHIO
IPC分类号： H04Q3/52 , H04L1/22 , H04L12/28 , H04L12/70 , H04L12/801 , H04L12/911 , H04L12/931 , H04Q11/00
摘要： PURPOSE: To provide an ATM switch and a path replacing method by the ATM switch capable of making a hardware amount at the time of small scale small and easily increasing switching modules. CONSTITUTION: The plural switching modules 1 arrayed in plural columns and at least one row switch routes corresponding to route information attached to cells so as to transfer inputted information to a target line by a cell unit. More than one path replacing parts 2 are provided between the switching modules in the two mutually adjacent columns among the switching modules in the plural columns and replace the routes between the respective switching modules 1 provided together in the row direction of one of the columns among the switching modules in the two adjacent columns and the respective switching modules 1 provided together in the row direction of the other column among the switching modules in the two adjacent columns.

2. 发明专利

JPH05251883A 失效
公开(公告)号：JPH05251883A
公开(公告)日：1993-09-28
申请号：JP4861292
申请日：1992-03-05
申请人： FUJITSU LTD
发明人： WATANABE YOSHIKI , YAJIMA HIDEAKI , TAKABUCHI KENJI
IPC分类号： H01L23/36 , H01L23/467 , H05K7/20
摘要： PURPOSE:To evenly cool all highly heat generating electronic circuit parts by providing a fin plate having a V-shaped heat radiating fin. CONSTITUTION:Multiple heat radiating fins 8a are arranged in parallel with specified intervals so that they farm a V-shape in a plane on a square-shaped fin plate 8. To cool a highly heat generating electronic circuit parts 4, a cooling air current is generated and supplied to the fin plate 8 of respective highly heat generating electronic circuit parts 4 from nozzles 7 through a cooling duct. Then, the cooling air current colliding with the fin plate 8, with the help of sucking upward current produced by an exhaust fan 9, goes up along the V-shaped heat radiating fins 8a whose open ends face upward, and at the same time, branches into left and right, and then pushed out of the area of the fin plate 8. Further, it is exhausted out of the system through gaps s that exist between adjoining nozzles 7. As a result, all highly heat generating electronic circuit parts are evenly cooled.

3. 发明专利

JP2000357881A ELECTRONIC APPARATUS 失效
公开(公告)号：JP2000357881A
公开(公告)日：2000-12-26
申请号：JP16850999
申请日：1999-06-15
申请人： NEC CORP , NIPPON TELEGRAPH & TELEPHONE , FUJITSU LTD
发明人： MATSUDA MASAYUKI , SASAKI MASAHARU , UEDA NAOTO , WATANABE YOSHIKI
IPC分类号： H05K5/02
摘要： PROBLEM TO BE SOLVED: To improve the connection strength between unit blocks, with improved anti-earthquake characteristics, and to make maintenance work easier while an installation space is effectively used by forming a recessed part on the upper surface of each case of a plurality of unit blocks, and forming a protruding part at the lower part of the case of the unit block. SOLUTION: Related to each unit block, a recessed part 5 is formed on the upper surface of a case of a unit block 9-2, while a protruding part 4 is formed at the lower part of the case of a unit block 9-1. A projection receiving part 8 is provided which engages a projection part 7 provided at the protruding part 4 with the projection part 7 provided at the recessed part 5. Mounting of the upper unit block 9-1 on the lower unit block 9-2 allows the protruding part 4 of the block 9-1 to surface-contact a recessed part 4 of the block 9-2, causing a guide reception part 2 of the block 9-2 to engage with a guide hole part 3 of the block 9-1, for pressing-in the block 9-1. Thus, the projection part 7 of the block 9-1 engages with the projection receiving part 8 of the block 9-2, preventing overturning of blocks in to-and-fro direction.

4. 发明专利

JPH1187951A EJECTOR FOR PRINTED BOARD 失效
公开(公告)号：JPH1187951A
公开(公告)日：1999-03-30
申请号：JP24105797
申请日：1997-09-05
申请人： KITAGAWA IND CO LTD , NEC CORP , HITACHI LTD , OKI ELECTRIC IND CO LTD , FUJITSU LTD
发明人： MORITA KATSUYUKI , KATO HITOSHI , KAWAZU KOJI , SHONO YOSHITAKA , WATANABE YOSHIKI
IPC分类号： H05K7/14
摘要： PROBLEM TO BE SOLVED: To provide an ejector for printed board, which can be reliably engaged with the ejector and whose engagement with the printed board can be confirmed from the outside. SOLUTION: Two holding parts 21, 31 are provided in the central part of the main body 2 and holding shafts 23, 33 which are cylindrical protrusions are integrally formed beneath the sidewalls of both the holding parts 21, 31. Furthermore, a confirmation hole 20 is provided above both the holding parts 21, 31 (side opposite to the printed board installed side). The confirmation hole 20 has a size sufficiently large to be confirmed from the outside, whether or not the ejector 1 is engaged with the printed board.

5. 发明专利

JPH1140280A CONNECTOR-FIXING STRUCTURE 失效
公开(公告)号：JPH1140280A
公开(公告)日：1999-02-12
申请号：JP19724897
申请日：1997-07-23
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： SATO YOSHIYUKI , TAKANO WATARU , MASUBUCHI YOSHIKATSU , WATANABE YOSHIKI , TOIKAWA KOJI , FURUKAWA SUMIO
IPC分类号： H01R13/73
摘要： PROBLEM TO BE SOLVED: To provide a connector-fixing structure for a connector fitted with cable, which ensures improved connector accessibility, reliability of connections, and neatness in the arrangement. SOLUTION: A connector-fixing structure includes a base 4, which is secured to the body of a device and provided at the main surface with a connector lead-in hole 17 having a smaller width than the width (w) of the connector 1, a pair of sidewalls 14 spread at a spacing wider than the connector width (w) in a direction perpendicular to the main surface, a pair of guide grooves 5 which are provided at the inner bent part at the forefront of each sidewall and guide the inserting/drawout operations of the connector upon engagement with the two sides of the connector, and a leaf spring member 7 which is secured to the main surface and puts the forefront bent part in engagement with the back surface of the connector in its fixed position. Accordingly, if the connector 1 which is fitted in an place outside is intruded into the guide groove 5, the tip bent part of the leaf spring 7 is latched at the back surface of the connector 1, which is thereby fixed. When the latch is set off, it is possible to pull out the connector 1 in a give condition.

6. 发明专利

JPH0897583A MOBILE FAN UNIT 失效
公开(公告)号：JPH0897583A
公开(公告)日：1996-04-12
申请号：JP23136994
申请日：1994-09-27
申请人： FUJITSU LTD
发明人： TAKABUCHI KENJI , WATANABE YOSHIKI , NOGUCHI KAZUYA
IPC分类号： F04D25/16 , F25D1/00 , H05K7/20
摘要： PURPOSE: To provide a fan unit which uses an axial fan and the cooling system of which is improved in efficiency by correcting the ill-balanced distribution of the air flow discharged from the fan unit. CONSTITUTION: A mobile fan unit is composed of a fan unit 1 fitted with a cooling fan 2, moving means which periodically moves the fan unit 1 itself forward and backward in a plane to a wind velocity dropping area on the discharge side, and unit main body 3 which is mounted on a frame enclosure while the main body 3 is mounted with the fan unit 1 and moving means.

7. 发明专利

JPH05243768A 失效
公开(公告)号：JPH05243768A
公开(公告)日：1993-09-21
申请号：JP4109792
申请日：1992-02-27
申请人： FUJITSU LTD
发明人： WATANABE YOSHIKI , YAJIMA HIDEAKI , TAKABUCHI KENJI
IPC分类号： H01L23/467 , H05K7/20
摘要： PURPOSE:To provide an cooling mechanism which allows the maintenance work only for the defective components while normal cooling state is kept and also allows rapid and easy replacement of a fan when it is defective, relating to a collision jet type cooling unit which performs forced cooling by jetting an air current against highly heated electronic circuit components. CONSTITUTION:A plurality of hot electronic circuit components 4 regularly arrayed on the surface of a backboard 3, while adjoing together, are divided into sets consisting of specified numbers of parts. A shelf 10 constituted by arraying housing sections 11 at the positions corresponding to respective sets in a grid is set while facing hot electronic circuit components 4. And in addition, box-like fan units 13 containing built-in individual fans 19 and nozzle parts 16 are slid into the housing sections 11 from a rear side while allowing free mounting/dismounting.

8. 发明专利

JPH07307962A MOUNTING STRUCTURE OF CIRCUIT BOARD 失效
公开(公告)号：JPH07307962A
公开(公告)日：1995-11-21
申请号：JP31141494
申请日：1994-12-15
申请人： FUJITSU LTD
发明人： OTAGURO HIROYUKI , ASHIDA TAKAYUKI , NOKIMURA HITOSHI , NAKAJIMA HIDENAO , WATANABE YOSHIKI , FUJITA SHUHEI
IPC分类号： H04B10/00 , G02B6/00 , G02B6/42 , G02B6/43 , H04L12/70 , H04Q1/14 , H05K7/14 , H05K7/20 , H04L12/28
摘要： PURPOSE:To prevent the degradation of strength of a circuit board, to secure the latitude of wiring design to the board and also to prevent the degradation of the wiring capacity by eliminating drilling to the board when a device using an optical module is mounted on the board. CONSTITUTION:Both ends of the board 101 conduct by means of an electric connector 103, and a second electric connector 107 of an individual part mounting board 102 is connected to the connector 103 on the inner surface side of the board 101. Meanwhile a light/electricity converter device 11 which constructs a subscribe optical module 104 is connected to the connector 103 on the outer surface side of the board 101. An optical connector 105 constructing the module 104 is connected to the device 11. Then a subscriber line optical cable 53 is connected to the connector 105. In such a constitution, the optical signal received from the cable 53 is converted into an electric signal and transmitted to the board 102 without forming any hole for passage of the cable 53.

9. 发明专利

JPH0758468A SHELF UNIT 失效
公开(公告)号：JPH0758468A
公开(公告)日：1995-03-03
申请号：JP20062893
申请日：1993-08-12
申请人： FUJITSU LTD
发明人： YAJIMA HIDEAKI , WATANABE YOSHIKI , NOGUCHI KAZUYA
IPC分类号： H05K7/14
摘要： PURPOSE:To absorb a pressing force, which is generated at the time of insertion of an intermediate package, to a back board and to prevent the generation of the deflection of the back board by a method wherein the intermediate package, which is constituted of an intermediate board, an intermediate connector, a flexible wiring board and a support fitment, is previously kept mounting in a shelf. CONSTITUTION:When a package 50 is inserted in a shelf 34, a package connector pushes a first intermediate connector, therefore an package 40 is pushed to the side of the depths of the shelf 34 and a support fitment 48 is abutted on a bumping fitment 56. In this state, when an injector 54 is made to act and the package 50 is further pushed in, the package connector is fitted in the first intermediate connector and the inserted electronic circuit package 50 is electrically connected to a back board 36 via the package 40. As a pressing force at the time of the push-in of the package 50 is absorbed by the abutment of the fitment 48 on the fitment 56, the generation of the deflection of the back board is prevented and the defective fitting of the already inserted package can be prevented from being generated.

10. 发明专利

JPH06273487A TESTER OF PRINTED WIRING BOARD 失效
公开(公告)号：JPH06273487A
公开(公告)日：1994-09-30
申请号：JP5762693
申请日：1993-03-18
申请人： FUJITSU LTD
发明人： WATANABE YOSHIKI , SHIMIZU NOBUYUKI
IPC分类号： G01R31/28
摘要： PURPOSE:To increase reliability of electric connection between a printed wiring board under test and a shelf, to facilitate insertion and extraction of the printed wiring board, and to prevent a functional decrease or damage of electronic circuit elements due to insufficient cooling with regard to a tester used for test in a state that the printed wiring board is drawn out of the shelf. CONSTITUTION:The following are provided: a printed board 51 which is extractably inserted into a shelf; a guide arm 55 fixed on the printed board 51 so as to project from its top edge to its front side; and a support base 60, where guide rails 65 inserting the bottom edge of a printed wiring board under test 200 are formed in conformity with the respective guide rails 30 of the bottom plate 1A of the shelf 1, and which fixes both mount plates 63 on the right and left of a support plate 61 to a frame to attach it to the front face of the bottom of the shelf 1.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式