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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| JPS6119309 | [Title of the device] Safety pin |
| JP2785891 | [Title of Invention] Card-type switch |
Inventors:
Masao Hosokai
Takayuki Ashida
Rie Takada
Toshio Abe
Setsuko Kojima
Eramura
Hiroyuki Otaguro
Takayuki Ashida
Rie Takada
Toshio Abe
Setsuko Kojima
Eramura
Hiroyuki Otaguro
Application Number:
JP2003323514A
Publication Date:
June 13, 2007
Filing Date:
September 16, 2003
Export Citation:
Assignee:
富士通株式会社
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:
Tadahiko Ito