公开(公告)号：US3717870A

公开(公告)日：1973-02-20

申请号：US3717870D

申请日：1972-02-14

Applicant: LITTON SYSTEMS INC

Inventor： MATHEWS J ,  KAELIN G

IPC: G06F3/023 ,  G08C9/00

CPC classification number: G06F3/0238

Abstract: A plurality of individually folded cards, each bearing indicia relating to the location of individual switches of a switch array, is hingedly attached to a housing. Selection means is provided for selecting one of the cards so that the certain of the cards become stacked in a region of the housing and the selected card unfolds across the switch array. Registration means may be provided for fixedly positioning the selected card with respect to the switch array. The cards may be translucent so that light emitting indicators associated with the switches may be viewed through the selected card.

Abstract translation: 多个单独折叠的卡，每个承载与开关阵列的各个开关的位置有关的标记，铰接地附接到壳体。 提供选择装置用于选择卡中的一个，使得某些卡变得堆叠在壳体的区域中，并且所选择的卡在整个开关阵列上展开。 可以提供登记装置用于相对于开关阵列固定地定位所选择的卡。 卡可以是半透明的，使得可以通过所选择的卡观看与开关相关联的发光指示器。