Personal identification circuit card device

Claim 2

A personal identification device comprising: means forming a plurality of channels each of which encompasses a series of normally open contact positions; circuit means for defining a circuit path between an indicating means and a source of electric current, which circuit path extends through a preselectable contact position in each of said channels thereby to energize said indicating means when all of the preselected contact positions are bridged. a respective magnetically movable contact bridging member in each channel for bridging a selected contact position in that channel; and manually operable magnet means for individually moving said contact bridging members whereby a person may identify himself by positioning each of said contact bridging members in the preselected position in the respective channel thereby energizing said indicating means.

Claim 3

An identification device as set forth in claim 1 wherein said indicating means is a lamp and said current source is a battery.

Claim 4

An identification device as set forth in claim 1 wherein said circuit means comprises a printed circuit board.

Claim 5

An identification device as set forth in claim 3 wherein said circuit board includes a conductive portion on one surface thereof forming a plurality of series of contact pairs, there being one contact pair for each of said contact position.

Claim 6

An identification device as set forth in claim 4 wherein said circuit board also includes conductive portions forming bus bars between adjacent series of contact pairs whereby a pair in each series can be selected by connecting the corresponding conductive portions to the adjacent bus bars.

Claim 7

An identification device as set forth in claim 5 wherein said contact bridging means comprises a conductive ball in each channel.

Claim 8

An identification device as set forth in claim 6 wherein said device includes a locating panel over said circuit board for permitting each ball to contact the circuit board only at the respective contact positions.

Claim 9

An identification device as set forth in claim 1 wherein said device includes means for storing said magnet means.

Claim 10

An identification device as set forth in claim 1 wherein said device is constructed in the shape of a relatively flat card.

Claim 11

A personal identification device comprising: a circuit board; a cover for said circuit board, said cover defining a plurality of generally parallel channels over said board, said board having conductive portions thereon forming a series of normally open switch contact pairs along each channel and means defining a series circuit extending through a preselected contact pair in each series of contact pairs; a respective magnetically attractable, conductive ball movable along each channel for bridging a selected contact pair in that channel; and a manually operable magnet for individually moving said balls in their respective channels through said cover whereby a person may identify himself by positioning each of said balls so as to bridge the respective preselected contact pair thereby completing said series circuit.

Claim 12

A personal identification device comprising: a circuit board; a cover for said circuit board, said cover defining a plurality of generally parallel channels over said board, said board having conductive portions thereon forming a series of normally open switch contact pairs along each channel and means defining a series circuit extending through a preselected contact pair in each series of contact pairs; a respective magnetically attractable, conductive ball movable along each channel for bridging a selected contact pair in that channel; and a manually operable magnet for individually moving said balls in their respective channels through said cover whereby a person may identify himself by positioning each of said balls so as to bridge the respective preselected contact pair thereby completing said series circuit.

Claim 13

A personal identification device comprising: a solid state lamp; a battery; a circuit board; a cover for said circuit board, said cover defining a plurality of generally parallel channels over said board, said board having conductive portions thereon forming a series of normally open switch contact pairs along each channel and means defining a series circuit extending through a preselected contact pair in each series of contact pairs; a respective magnetically attractable, conductive ball movable along each channel for bridging a selected contact pair in that channel; a locating panel apertured to permit each ball to contact said circuit board only at positions corresponding to each contact pair and to conceal the series circuit linking the selected contact pairs; linking means interconnecting said lamp, said battery and said contact linking circuit for energizing said lamp when all of the selected contact pairs are bridged; and a manually operable magnet for individually moving said balls in their respective channels through said cover whereby a person maY identify himself by positioning each of said balls so as to bridge the respective preselected contact pair thereby completing said series circuit.

Claim 14

A personal identification device comprising: a solid state lamp; a battery; a circuit board; a cover for said circuit board, said cover defining a plurality of generally parallel channels over said board, said board having conductive portions thereon forming a series of normally open switch contact pairs along each channel and means defining a series circuit extending through a preselected contact pair in each series of contact pairs; a respective magnetically attractable, conductive ball movable along each channel for bridging a selected contact pair in that channel; a locating panel apertured to permit each ball to contact said circuit board only at positions corresponding to each contact pair and to conceal the series circuit linking the selected contact pairs; linking means interconnecting said lamp, said battery and said contact linking circuit for energizing said lamp when all of the selected contact pairs are bridged; and a manually operable magnet for individually moving said balls in their respective channels through said cover whereby a person maY identify himself by positioning each of said balls so as to bridge the respective preselected contact pair thereby completing said series circuit.

Claim 15

An identification device as set forth in claim 11 wherein said battery comprises a mercury cell.

Claim 16

An identification device as set forth in claim 11 wherein said lamp is a light-emitting diode.

Claim 17

An identification device as set forth in claim 11 further comprising a base to which said cover is sealed thereby preventing investigation of the preselected combination of contact pairs.

Claim 18

An identification device as set forth in claim 14 further comprising a metallic shielding plate in said base for preventing radiological examination of said circuit board.