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    • 81. 发明专利
    • MATRIX BOARD
    • JPH0998454A
    • 1997-04-08
    • JP25359395
    • 1995-09-29
    • OKI ELECTRIC IND CO LTDNIPPON TELEGRAPH & TELEPHONE
    • FUKUDA HARUYUKITAKAYAMA JUNJIOINUMA MOTOMU
    • H01H27/00H04Q1/14H05K1/00
    • PROBLEM TO BE SOLVED: To quicken construction by providing a polarity inversion part for inverting polarity between a terminal to be an input side and the terminal to be an output side by the replacement of connection pins on a matrix board. SOLUTION: When the connection pin 5 is inserted to a through-hole 9b for inversion, a contact 5a is brought into contact with first and third lines 8a and 11a for the inversion. Thus, the third line 11a for the inversion connects a first X line 2a and the terminal 7b through the first line 8a for the inversion, the through-hole 9b and the contact 5a. Also, the contact 5b is brought into contact with the first and third lines 8b and 11b for the inversion. Thus, the third line 11b for the inversion connects a second X line 2b and the terminal 7a through the first line 8b for the inversion, the through-hole 9b and the contact point 5b. In such a manner, depending on whether to insert the connection pin 5 to the through-hole 9a for the inversion or to insert the connection pin 5 to the through-hole 9b for the inversion, the connection relation of the second X line 2b and the terminals 7a and 7b is inverted.
    • 84. 发明专利
    • AUTOMATIC MDF DEVICE
    • JPH0951556A
    • 1997-02-18
    • JP19864195
    • 1995-08-03
    • NIPPON TELEGRAPH & TELEPHONE
    • MOTONO TOMOHARUHAMASATO KAZUO
    • H01H27/00G05B19/08H04Q1/14
    • PROBLEM TO BE SOLVED: To actualize a small-sized large-scale matrix by using screw driven type multicontact switches, reducing the size with the matrix switch and a simple mechanism part, and facilitate installing construction. SOLUTION: This device include as a constituent element a screw driven type multicontact switch 5 which drives the movable contact of a multicontact slide switch with a screw from a switch end surface and a plurality of screw driven type multicontact switches 5 are arranged while having their driving screws 6 in array to constitute the matrix switch. Then the screw driven type multicontact switch 5 and a substrate are so connected as to constitute a network, and this device has a rotary mechanism part 18 which turns the driving screw 6, a mechanism part 19 which moves the rotary mechanism part 18 in the array direction of the screw driven type multicontact switches 5, and a moving mechanism part 19 which couples the rotating mechanism 18 with the driving screws 16.
    • 88. 发明专利
    • MATRIX BOARD
    • JPH08306267A
    • 1996-11-22
    • JP11047595
    • 1995-05-09
    • FUJITSU LTD
    • MITAMURA FUMIOABE TOSHIOTAKAGI HIROFUMI
    • H01H27/00H04Q1/14H05K1/00
    • PURPOSE: To reduce the manhours of the work so as to improve the yield, to lower the cost, and to facilitate the insertion of a connecting pin into a cross point pin hole by overlapping and fixing a four-layered printed wiring board and a guide board with a mechanical means. CONSTITUTION: A guide board 20 is laminated on the surface side of a four- layered printed wiring board 40, and fixed to the printed board 40 by a mechanical fixing means 90. A cross point hole 3 is drilled in each cross point, in which an A-line X-directional pattern 1-1 (B-line X-directional pattern 1-2) and an A-line Y-directional pattern 2-1 (B-line Y-directional pattern 2-2) three- dimensionally cross each other. A part of this hole 3 in the surface side of the board 20 is formed into the taper-shaped hole for enlargement so that a connecting pin 15 is easily inserted. When the connecting pin 15 is inserted into the hole 3, the pattern 1-1 and the pattern 2-1 are connected to each other through a ring-like conductor 15A, and the pattern 1-2 and the pattern 2-2 are connected to each other through a ring-like conductor 15B. The manhours of the work is thereby reduced, and the pin 15 can be easily inserted into the hole 3.