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Title:
CONTACT PIN, CONTACT PIN MANUFACTURING METHOD AND MATRIX SWITCHBOARD
Document Type and Number:
Japanese Patent JP3927529
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To easily manufacture a contact pin and to reduce crosstalk between lines at low cost regarding the contact pin, a contact pin manufacturing method and a matrix switchboard.
SOLUTION: The matrix switchboard for connecting and cutting off the line between a switchboard and a subscriber has a board formed of an insulating member, and through holes provided to electrically connect first and second wiring patterns formed on the front and rear faces of the board so as to intersect each other.


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Inventors:
Hosogai, Masao
Ashida, Takayuki
Takada, Michiaki
Abe, Toshio
Kojima, Setsuo
Nokimura, Hitoshi
Otaguro, Hiroyuki
Application Number:
JP2003000323514
Publication Date:
June 13, 2007
Filing Date:
September 16, 2003
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
H01H27/00; H04Q1/04; (IPC1-7): H01H27/00; H04Q1/04
Domestic Patent References:
JP62120279U
JP4035356U
JP4031268U
JP60049693A
JP55006456Y1
JP57011101B1
JP2052272U
JP5298939A
JP55072782U
JP7022572U
JP61184279U
Attorney, Agent or Firm:
伊東 忠彦