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| Number | Title | Issue Date |
| 4149147 | Luminescent character display device A luminescent character display device having an insulating base plate, a pattern display section formed on the base plate and composed of a plurality of subsections, one for each digit, the sub-section being formed of a plurality of anodes disposed in a ... | 04/10/1979 |
| 4145685 | Image display devices An image display device comprising a plurality of elements which can be made luminous is described. The elements are arranged in a matrix formed by rows and columns, and each column of the matrix is piloted by as many outputs of a delay line of the charge... | 03/20/1979 |
| 4137551 | Cathode addressing system In an image having a plurality of cathode stripes, individual cathodes may be addressed using a system having a first resistor at one end of each of the cathodes and a second resistor at the other end of each of the cathode stripes. The first resistors ar... | 01/30/1979 |
| 4114070 | Display panel with simplified thin film interconnect system An electro-optic display panel is described in which thin film electronic circuitry is associated with individual display medium elements disposed upon a substrate. Rows and columns of interconnecting bus bars are minimized by utilizing the bus bars on a ... | 09/12/1978 |
| 4112466 | Flat television screen A television screen comprising an electroluminescent sheet sandwiched with electroconductive sheets. Electrical pulse signals responsive to a horizontal sweep input are applied to the sides of two of the electroconductive sheets, and pulse signals respons... | 09/05/1978 |
| 4103208 | Fluorescent tube display calculators In one preferred form of calculators, a multi-digit fluorescent display tube and an LSI semiconductor chip together are disposed on a printed circuit flexible film. More particularly, individual components of the multi-digit fluorescent display tube (that... | 07/25/1978 |
| 4087792 | Electro-optic display system An electro-optic display system is detailed in which an electro-optic display panel is driven by varying the on-time duty cycle during which the display medium is excited to generate the grey-scale brightness for an individual display element.... | 05/02/1978 |
| 4068148 | Constant current driving circuit A constant current driving circuit for driving light emitting diodes, wherein a variation detecting circuit comprising a resistor and a field effect transistor is provided and the output voltage of the detecting circuit is effectively used to control the ... | 01/10/1978 |
| 4006383 | Electroluminescent display panel with enlarged active display areas An improved electroluminescent display panel having an X-Y array of display elements upon a planar insulating substrate. Integral thin film transistor circuit elements and drive signal buses are interconnected on the panel with individual electroluminesce... | 02/01/1977 |
| 3988536 | Scanning apparatus for television display or pick-up A scanning apparatus having a sequential linear array of electroluminescent devices which are controlled to be successively illuminated by having a pulsed electrical signal applied thereto by means of connections between said devices which insure that onl... | 10/26/1976 |
