Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs
Miniaturized calculator keyboard switch assembly having universally pivoted key actuators
Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold
Flexible keyboard switch with integral spacer protrusions Patent #: 4145584
ApplicationNo. 06/001237 filed on 01/05/1979
US Classes:200/5A, With independent operators200/292, Printed circuit200/512, Membrane type200/517, Including additional actuator200/6A, Universally pivoted handle273/148B, All video game accessories341/20BODILY ACTUATED CODE GENERATOR
ExaminersPrimary: Scott, J. R.
Attorney, Agent or Firm
International ClassesG06F 3/033 (20060101)
G06F 3/02 (20060101)
H01H 1/40 (20060101)
H01H 1/12 (20060101)
H01H 13/70 (20060101)
H01H 13/702 (20060101)
H01H 25/04 (20060101)
AbstractA switch apparatus having first and second surfaces with conductive pattern segments thereon in proximate spaced overlying relation, each of the patterns being generally identical and having a circular array of alternating solid and interleaved conductive portion, one pattern being movable toward the other by tilting of a disc for providing a plurality of discrete signals.