| Patent Number |
Title Of Patent |
Date Issued |
| 6041215 |
Method for making an electronic book for producing audible sounds in response to visual indicia |
March 21, 2000 |
| An apparatus for producing audible sounds in response to visual indicia in the nature of an electronic book. The electronic book is constructed from a plurality of leaves which may be formed from a continuous accordion folded sheet or individual modular folded sheets joined back-to-back |
| 5888070 |
Electronic aid for reading practice |
March 30, 1999 |
| A learning aid is provided which allows the user to selectively mute one part of a prerecorded multipart drama and substitute his or her voice for that muted part. A recorded copy of a composite of the unmuted prerecorded portions of the drama, the user's voice, and additional sound effe |
| 5803748 |
Apparatus for producing audible sounds in response to visual indicia |
September 8, 1998 |
| An apparatus for producing audible sounds in response to visual indicia in the nature of an electronic book. The electronic book is constructed from a plurality of leaves which may be formed from a continuous accordion folded sheet or individual modular folded sheets joined back-to-back |
| 4857683 |
Membrane switchcores with key cell contact elements connected together for continuous path testi |
August 15, 1989 |
| Flexible membrane switchcores (100, 100a,100b) including a conductive first circuit (180) having first traces (171-178;194;196) and a conductive second circuit (185) having second traces (186-192;195;197), first contact elements (107a-162a) formed as nonbranched integral sections of the |
| 4730146 |
Folded electroluminescent lamp assembly |
March 8, 1988 |
| A folded electroluminescent lamp assembly (37,65, 87) including an electroluminescent lamp panel (10,41,74, 89) joined to a flexible circuit panel (4,42,73, 88) folded over and joined to the lamp panel. A tail (5,43,79, 90) extends from the circuit panel. Conductive tracks (30-35,56- |
| 4683360 |
Membrane switch combined with electroluminescent lamp panel |
July 28, 1987 |
| An assembly combining a membrane switch and an electroluminescent lamp panel in which the lamp panel is attached to a circuit layer of the membrane switch. |
