|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||250/4611 ; 250/4631 ; 116/286|
|우선권정보||JP-0012512 U (1988-02-03); JP-0019231 U (1988-02-18)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 10 인용 특허 : 0|
Disclosed is an improved indicator, which includes a scale plate having a pointer rotatably mounted thereon; an ultraviolet light source for illuminating said scale plate; and indicia arranged on the scale plate for indicating a specific value in cooperation with the pointer, each of the indicia including first and second parts, and in which the second part includes fluorescent brightener ink or paint therein so as to be illuminated when the ultraviolet light source is turned on. When the ultraviolet light source is turned on, particularly at night, the ...
An indicator, comprising: a scale plate having a ground color; a pointer having a rotation axis and being rotatably disposed on said scale plate; an ultraviolet light source of illumination; first indicia means comprising an arrangement of value symbols, for indicating a specific value in cooperation with the pointer, arranged on the plate and arrayed concentrically with respect to the rotation axis of the pointer so as to enable indication of a specific value by said first indicia means, said first indicia means being visible only under the daylight con...