Communications: electrical – Systems – Signal box type
Patent
1999-06-14
2000-08-08
Lefkowitz, Edward
Communications: electrical
Systems
Signal box type
G08B 2500
Patent
active
061007897
ABSTRACT:
In a fire control and indicating equipment, a printed circuit board is so formed as to be larger in plane than an operation panel, engagement holes are defined in the printed circuit board, and engagement portions corresponding to the engagement holes are disposed on the back surface side of the operation panel. The engagement of the engagement holes with the engagement portion allows the printed circuit board and the operation panel to be integrated together in a state where the operation panel is mounted on the printed circuit board to form a unit body. The printed circuit board of the unit body is fixed onto a printed-board fixing section.
REFERENCES:
patent: 4724629 (1988-02-01), Walton
patent: 5461367 (1995-10-01), Altavela et al.
patent: 5982275 (1999-11-01), Kosich
Lefkowitz Edward
Nohmi Bosai Ltd.
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