Electric push-button switch with lighting arrangement

Details Electric push-button switch with lighting arrangement Electric push-button switch with lighting arrangement

2008-07-01

2008-07-01

Luebke, Renee S (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07394034

ABSTRACT:
An electric push-button switch (10) includes a housing (22), a push-button (12). The push-button switch (10) further includes a symbol lighting arrangement to illuminate a transparent region (16) of the push-button (12). The transparent region (16) symbolizes the functional unit to be operated by the push-button switch (10) or an actual function of the functional unit. The push-button switch (10) further includes a function lighting arrangement to indicate the operating status of the functional unit. The symbol lighting arrangement comprises a first light source (32), and the function lighting arrangement comprises a second light source (34) and an off-partitioned light conducting section to a light outlet area (18) which is integrated into the push-button (12). Both lighting arrangements are accommodated in a structural space defined by the housing (22).

REFERENCES:
patent: 4683359 (1987-07-01), Wojtanek
patent: 5252798 (1993-10-01), Kamada
patent: 5403984 (1995-04-01), Ogawa
patent: 7026563 (2006-04-01), Miyako et al.
patent: 2002/0021562 (2002-02-01), Tholin et al.
patent: 3133134 (1983-03-01), None
patent: 3817797 (1991-05-01), None
patent: 4414981 (1995-11-01), None
patent: 19840070 (2000-03-01), None
patent: 1107268 (2001-06-01), None
patent: 1179828 (2002-02-01), None

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