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21. 发明专利

JP2001265537A EXTERNAL STORAGE DEVICE 失效
公开(公告)号：JP2001265537A
公开(公告)日：2001-09-28
申请号：JP2000079949
申请日：2000-03-22
申请人： HITACHI TELECOMM TECH
发明人： ARAKAWA RIKIYA , SATO TAKESHI
IPC分类号： G06F3/00 , G06F3/06 , G11B19/00 , G11B19/02
摘要： PROBLEM TO BE SOLVED: To prolong service life of the entire hard disk by autonomously making the hard disk motor stop and to save power consumption. SOLUTION: In an external storage device 10 constituted of a storage device control part 12 and the hard disk 7 as a storage device part, the storage device control part 12 autonomously stops the motor of the hard disk 7 in the case that no access from a host device 1 is performed even when a preset time elapses.

22. 发明专利

JP2001253430A PACKING BOX 失效
公开(公告)号：JP2001253430A
公开(公告)日：2001-09-18
申请号：JP2000064345
申请日：2000-03-09
申请人： HITACHI TELECOMM TECH
发明人： KOBAYASHI RYUICHI , SAITO HIROAKI , HASEGAWA MUTSUO
IPC分类号： B65D5/50 , B65D5/10 , B65D85/86
摘要： PROBLEM TO BE SOLVED: To provide a packing box which can suppress the warp by the self weight of a printed circuit board, and straighten the warp of the substrate generated in a manufacturing step. SOLUTION: When the printed circuit board B is stored in the box body 1 turning its parts mounting surface B-1 upside, a location B-3 of the printed circuit board B having no right and left parts mounted thereon is placed on receiving portions 11, 15, edges 23a, 26a of right and left pressing plates 23, 26 of a lid body 2 press the right and left locations B-3 of the printed circuit board B from the top, and the printed circuit board B is fixed to the box body 1 while holding the pressed condition by a pressing and holding means.

23. 发明专利

JP2001237924A COMMUNICATION TERMINAL DEVICE AND ITS DISPLAY SWITCHING METHOD 失效
公开(公告)号：JP2001237924A
公开(公告)日：2001-08-31
申请号：JP2000043102
申请日：2000-02-21
申请人： HITACHI TELECOMM TECH
发明人： NAKAMURA YOSHINORI
IPC分类号： H04M1/00
摘要： PROBLEM TO BE SOLVED: To resolve the problem that it is difficult for some users to operate a communication terminal device because plural language display specifications cannot be arbitrarily selected. SOLUTION: A dealing terminal device 2 is connected to and communicates with a telephone exchange system 1 and is provided with a plasma display device 13 on which a line name or the like is displayed as a picture, and this device 2 is provided with a RAM 26 where Japanese-language name data 26e and English name data 26d are stored, a key operation detection function 41 which detects key operation of a display switching key 14, a display selection control function 43 which selects Japanese-language name data 26e or English name data 26d corresponding to this key operation from the RAM 26, a picture display control function 45 which switches the display picture on the plasma display device 13 to Japanese or English on the basis of selected Japanese- language name data 26e or English name data 26d, and a lamp state display function 44 which drives and controls the display state of a lamp 15 on the basis of a display mode which is set at present.

24. 发明专利

JP2001230779A ATM COMMUNICATION EQUIPMENT 失效
公开(公告)号：JP2001230779A
公开(公告)日：2001-08-24
申请号：JP2000037061
申请日：2000-02-15
申请人： HITACHI TELECOMM TECH
发明人： TANABEYA KANJI , HIROKAWA MASAHITO , SATO NOBUHITO , MASUDA HIROAKI , YUMINE KOJI
IPC分类号： H04L29/14 , H04L12/26 , H04L12/28
摘要： PROBLEM TO BE SOLVED: To provide ATM communication equipment that can conduct a test for object ports by generating a test cell and traffic. SOLUTION: The ATM communication equipment 1 that has a data terminal port P1, an ATM channel port P2 to transmit a cell via a transmission line installed between the data terminal port and the ATM channel port, is provided with a test cell generating means 141 that generates a test cell on the basis of configuration information of an object port, a means 12 that transmits the test cell to the transmission line via the data terminal port or the ATM channel port, and a discrimination means 146 that receives the test cell returned from the transmission line to discriminate whether or not the test cell is normally returned.

25. 发明专利

JP2001211223A TERMINAL ADAPTOR FOR PLURAL BULK COMMUNICATIONS, AND METHOD FOR PLURAL BULK COMMUNICATIONS 失效
公开(公告)号：JP2001211223A
公开(公告)日：2001-08-03
申请号：JP2000020395
申请日：2000-01-28
申请人： HITACHI TELECOMM TECH
发明人： TERAO MASARU , SAITO SATORU
IPC分类号： H04J3/00 , H04L29/04
摘要： PROBLEM TO BE SOLVED: To provide a terminal adaptor whose communication speed can be revised and that can conduct communication by easily adding/deleting number of channels for leased line bulk communication while effectively utilizing a PRI band. SOLUTION: The communication method employs a means that selects a mode, where plural bulk communications are conducted with connection of plural terminal adaptors 1 each conducting bulk communication employing plural high-speed digital leased line interfaces 51 for a basic interface for the bulk communication for the transmission of communication data, a mode where a master terminal adaptor 1A-1 contains a linear group speed interface, or a mode where slave terminal adaptors 1A-2 to 1A-4 are connected to the master terminal adaptor 1A-1, without containing the linear group speed interface. When the mode of conducting plural bulk communication is selected, communication data from the linear group speed interface are distributed to the slave terminal adaptors 1A-2 to 1A-4, which respectively conducts bulk communication.

26. 发明专利

JP2001168900A SYSTEM FOR TESTING MAINTENANCE BETWEEN LAN CONNECTION DEVICES AND LAN CONNECTION DEVICE 失效
公开(公告)号：JP2001168900A
公开(公告)日：2001-06-22
申请号：JP2000298779
申请日：2000-09-29
申请人： HITACHI TELECOMM TECH
发明人： YOSHIDA HISAHIRO , GOKAN SHINICHI , SATO TAKESHI
IPC分类号： H04L12/46
摘要： PROBLEM TO BE SOLVED: To perform the operation test of a route between communication terminating devices, between repeaters or between the communication terminating device and the repeater and to perform the operation test of the communication terminating device or the repeater by a signal level or a code level, by which recognition is performed by a protocol up to the layer 2 of OSI in a LAN connection device, such as a bridge, a switch or a repeater having no protocol up to the layer 3 of OSI. SOLUTION: The LAN connection device which can be connected to LAN and is connected to an opposite device by lines 202 and 203, with an optical fiber as a physical medium, is provided with a communication data control part 208 for executing normal LAN communications in the terminal end of physical communication or the terminal end of logical communication, a maintenance data control part 218 for executing a test concerning communications and an optical collector 211 and an optical distributor 213, which are for separating the input/output wavelength of the parts 208 and 218. The test concerning communications is executed arbitrarily by the part 218.

27. 发明专利

JP2001160870A TELEPHONE EXCHANGE SYSTEM 失效
公开(公告)号：JP2001160870A
公开(公告)日：2001-06-12
申请号：JP34440299
申请日：1999-12-03
申请人： HITACHI TELECOMM TECH
发明人： YANAI KOUICHI , MIYAMURA HIROYUKI
IPC分类号： H04M15/00
摘要： PROBLEM TO BE SOLVED: To speedily and precisely calculate a telephone charge when the access dials of a telecommunication company are increased. SOLUTION: In this telephone exchange system where a charging device 118 is connected to a private branch exchange device 100 as a shared device, call-originating dial information dialed when extension terminal equipment 107-1 executes call-originating operation is recognized by the device 118 and when dial conversion data exists as the result of referring to dial conversion data stored in a storing means, dial conversion is executed to calculate the telephone charge.

28. 发明专利

JP2001145137A TELEPHONE EXCHANGE SYSTEM 失效
公开(公告)号：JP2001145137A
公开(公告)日：2001-05-25
申请号：JP2000308642
申请日：2000-10-10
申请人： HITACHI TELECOMM TECH
发明人： DOMOTO YOSHIHISA , WADA YASUO
IPC分类号： H04M3/51 , H04M3/42 , H04Q3/58
摘要： PROBLEM TO BE SOLVED: To provide a telephone exchange system which can accommodate many trunks and is improved in reliability, and to provide capability of call connection processing. SOLUTION: This telephone exchange system is equipped with communication terminal devices 8 and switching devices 1A and 1B, which are connected to those devices directly by lines and perform switching operations and each communication terminal device 8 is equipped with handsets 8-1-1 and 8-1-2, a speech switch 8-30 which sets a channel by connecting the handsets 8-1-1 and 8-1-2 to the lines, and a storage device 8-16, which stores state information regarding the states of the switching devices 1A and 1B, and the state information of the switching devices 1A and 1B is stored in the storage device 8-16. When originating or terminating answer operation is done, a controller 8-14 performs speech connecting operation according to the state information.

29. 发明专利

JP2001077918A PRIVATE BRANCH OF TELEPHONE EXCHANGE SYSTEM AND PRIVATE BRANCH OF TELEPHONE EXCHANGE 失效
公开(公告)号：JP2001077918A
公开(公告)日：2001-03-23
申请号：JP24706799
申请日：1999-09-01
申请人： HITACHI TELECOMM TECH
发明人： SAITO HIROYOSHI , MATSUURA KAZUHIRO
IPC分类号： H04M3/22 , H04Q3/545 , H04Q3/58
摘要： PROBLEM TO BE SOLVED: To provide a private branch of telephone exchange system and a private branch of telephone exchange in which a standby system exchange is selected automatically on the occurrence of a hindrance causing hindrance in an active system exchange, the switching can easily be made from a remote place without affecting on a connected call. SOLUTION: In this private branch of telephone exchange system, that is provided with a plurality of private branch of telephone exchanges A, B used for an active system exchange or a standby system exchange and where the standby system exchange B is selected on the occurrence of a fault in the active system exchange, the private branch of telephone exchanges A, B are connected with common line interface circuits 19, 29 via which call information of the active system exchange A is transmitted to the standby system exchange B at all times. The active system, exchange A (standby system exchange B) is provided with a fault notice means 16 (26), that informs the standby system exchange about the occurrence of the fault in the active system exchange A.

30. 发明专利

JP2001057592A TELEPHONE EXCHANGE 失效
公开(公告)号：JP2001057592A
公开(公告)日：2001-02-27
申请号：JP2000222419
申请日：2000-07-24
申请人： HITACHI TELECOMM TECH
发明人： SUGAWARA YOSHINOBU , TOMIZUKA MITSUO
IPC分类号： H04M3/533 , H04M3/00 , H04M3/42 , H04Q3/58
摘要： PROBLEM TO BE SOLVED: To efficiently transmit a voice guidance to many customers. SOLUTION: A voice recording reproduction trunk 18 record a voice signal. When an incoming call comes from a public network 12 and the trunk 18 connects to it, the trunk 18 reproduces the recorded voice signal and transmits the voice signal to the public network 12. In this case, a storage means 114 stores a reproduction time of the voice signal, and when the voice signal is reproduced and start of reproduction of the voice signal is recognized, the voice signal is reproduced for a reproduction time stored in the storage means 114 and when the end of the reproduction signal is discriminated, the voice recording reproduction trunk 18 and the public network 12 are released.

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