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1. 发明申请

WO1988009600A1 ARRANGEMENT FOR HOLDING A PRINTED CIRCUIT BOARD FIXED TO A FRAME 审中-公开
标题翻译：将印刷电路板固定在框架上的布置
公开(公告)号：WO1988009600A1
公开(公告)日：1988-12-01
申请号：PCT/SE1988000252
申请日：1988-05-18
申请人： TELEFONAKTIEBOLAGET L M ERICSSON , OLSSON, Rolf, Torbjörn , KASSMAN, Björn, Ture , OLSSON, Karl-Gustaf , ERNOLF, Stig, Carl-Oskar
发明人： TELEFONAKTIEBOLAGET L M ERICSSON
IPC分类号： H05K07/14
CPC分类号： H05K7/1439
摘要： The invention relates to an arrangement for retaining a printed circuit board (1) at a frame (5, 6). Connectors (2) are mounted on the PCB (1) and have electrical connection pins (3) connected to electrical conductors in the PCB (1). The connectors (2) are elongate and have end portions (4) bearing against the front of the PCB. In accordance with the invention, the frame (5, 6) has holders (7, 8, 9) coacting with the end portions (4), these holders retaining the connectors (2) and PCB (1). The frame (5, 6) has a tongue (7) engaging against the front of the end portion (4), and a movable support (8) is kept in engagement against the back of the PCB (1) behind the tongue (7) with the aid of a screw (9). The forces occuring when a means complementary to the connector (2) is connected to the connector are transferred to the frame (5) by the connector (2), and the invention thus allows the PCB to be made thin. This has, inter alia, the advantage that the capacitance between the different conducting layers of the PCB will be large, and the PCB will be well impedance-adapted and can have a high packing density of conductors without cross talk problems.
摘要翻译：本发明涉及一种用于将印刷电路板（1）保持在框架（5,6）处的布置。连接器（2）安装在PCB（1）上，并具有连接到PCB（1）中电导体的电连接引脚（3）。连接器（2）是细长的并且具有抵靠PCB前部的端部（4）。根据本发明，框架（5,6）具有与端部（4）共同作用的保持器（7,8,9），这些保持器保持连接器（2）和PCB（1）。框架（5,6）具有与端部（4）的前部接合的舌部（7），并且可动支撑件（8）保持与舌片（7）后面的PCB（1）背面接合）借助于螺钉（9）。当与连接器（2）互补的装置连接到连接器时发生的力通过连接器（2）传送到框架（5），因此本发明使得PCB变薄。这尤其具有以下优点：PCB的不同导电层之间的电容将很大，并且PCB将具有良好的阻抗适应性并且可以具有高的堆积密度，而不会出现串扰问题。

2. 发明申请

WO1986007497A1 EARTHING SYSTEM FOR AN APPARATUS CABINET 审中-公开
标题翻译：装置柜接地系统
公开(公告)号：WO1986007497A1
公开(公告)日：1986-12-18
申请号：PCT/SE1986000231
申请日：1986-05-16
申请人： TELEFONAKTIEBOLAGET LM ERICSSON , OLSSON, Rolf, Torbjörn , ANDERSSON, Hans, Olov, Wilhelm
发明人： TELEFONAKTIEBOLAGET LM ERICSSON
IPC分类号： H01R04/64
CPC分类号： H01R4/64 , H05K9/0016
摘要： An earthing system for apparatus cabinets containing electronic equipment is made up from vertical bars (2), horizontal bars (3) and connection bars (11) between the horizontal bars, all the bars being made from aluminium. At the connection points between the bars there are mounted contact-making, spring-biased contact plates (4). The contact plate (4) is rectangular and provided with contact tongues (6) arranged in rows projecting from either face of the plate.

3. 发明申请

WO1988010015A1 A PIN FASTENED TO A PRINTED CIRCUIT BOARD BY SOLDERING 审中-公开
标题翻译：通过焊接紧固在印刷电路板上的PIN
公开(公告)号：WO1988010015A1
公开(公告)日：1988-12-15
申请号：PCT/SE1988000253
申请日：1988-05-18
申请人： TELEFONAKTIEBOLAGET L M ERICSSON , OLSSON, Rolf, Torbjörn , KASSMAN, Björn, Ture , OLSSON, Karl-Gustaf , ERNOLF, Stig, Carl-Oskar
发明人： TELEFONAKTIEBOLAGET L M ERICSSON
IPC分类号： H01R09/09
CPC分类号： H01R12/58 , H05K3/3447 , H05K3/3468 , H05K2201/10303 , H05K2201/10871 , H05K2203/1147 , H05K2203/304
摘要： The invention relates to a pin (21) for connecting an electrical conductor (2) to a PCB (4). The pin has a first part (24) thrust into a hole in th PCB and a second part (26), to which the electrical conductor (2) is connected by a sliding contact (8). The cross-sectional dimension (d2) of the second part (26) is greater than the cross-sectional dimension (d1) of the first part (24), and between these parts the pin (21) has a shoulder (27) with sharp edges. The hole in the circuit board is coated with metal which is connected via tabs (22) to electrical conductors (3) of the PCB (4). The pin (21) is soldered in the hole with the aid of soldering metal (25) and flux. When the flux is heated it creeps along the surface of the pin. During soldering, the shoulder (27) with the edges prevents the flux reaching the second part (26) of the pin (21), the second part having contact surfaces (29) on the pin (21) against the sliding contact (8) and where the flux would be a contact resistance. The pin (21) has the advantage that its first part (24) is narrow and that the tabs (22) can have a small outside diameter. There is thus created room for a large number of conductors (3) between two adjacent pins (21).

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