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Title: Signal element without a lamp

Abstract: A signal element without a lamp for use with signal buttons, toggle switches, control knobs, slide switches and the like which has a moveable member received in the housing member for movement between at least two positions to cause actuation of the part of the element characterized by a fluorescent member consisting of a body of material having an index of refraction > 1 and containing fluorescent particles for fluorescently collecting and scattering incident light to create fluorescent light and means for uncoupling concentrated fluorescent light from the fluorescent member to a point of the element in response to a selected position of the moveable member in the housing member. The moveable member may be a push button, a pivotable rocking member or a slide and the fluorescent member may be carried by the moveable member or may be part of the housing, which receives the moveable member.


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Inventors: Quella, Ferdinand (Gauting, DE)
Pape, Heinz (Munich, DE)

Application Number: 06/161078
Filing Date: 1980-06-19
Publication_date: 1982-07-20
Assignee: SIEMENS AG

Primary Class(es): 250/458.100 250/483.100
Other Classes: G08B5/32; H01H9/16; G08B5/22; F21K2/00; F21V9/16
US Patent Ref:
1420829June, 1922Frank250/462Attachment for electric switches
2032540March, 1936LaHodny250/466Illuminated faceplate for electric switches and the like
2428792October, 1947Evans250/463Illumination system
3037137May, 1962Motson250/458Flexible light source
3237591March, 1966Pichel250/465Pushbuttons
3484607December, 1969McGuire et al.250/458APPARATUS PRODUCING RADIANT ENERGY AT AN EXIT FACE FROM STIMULATION OF A LUMINOPHOR THROUGH THE PHEN
3691985September, 1972Otterlei250/465SPRING BIASING MEANS FOR A SELF-ILLUMINATING PUSHBUTTON
3764200October, 1973Glattli250/462DIGITAL INDICATING DEVICE

Other Refs:
Primary Examiner: Dixon, Harold A.
Assistant Examiner:
Attorney: Hill, Van Santen, Steadman, Chiara & Simpson
Claims: