| Patents for G02F 7 - Optical analogue/digital converters (344) |
|---|
| 01/10/1991 | DE3920158A1 Optical analogue=digital converter for optical measuring system - uses optical comparator with optical bistable elements coupled to controlled light source |
| 12/25/1990 | US4980548 Digital position sensor for indicating the relative position of relatively movable parts |
| 08/07/1990 | US4947170 All optical analog-to-digital converter |
| 07/04/1990 | EP0376124A2 Optical converter |
| 05/22/1990 | US4928007 Opto-electric A/D converter |
| 05/15/1990 | US4926177 Optical analog-digital converter provided with a nonlinear optical element and an optical feedback system for the output lights of said element |
| 05/02/1990 | EP0365702A1 Digital position generator |
| 12/06/1989 | EP0344739A2 Optoelectronic A/D converter using a plurality of parallel optical waveguide interferometers |
| 07/25/1989 | US4851840 Optical analog to digital converter |
| 06/07/1989 | EP0319286A2 Analogue-to-digital converter |
| 05/16/1989 | US4831376 Optical analog-to-digital converter and transducer |
| 03/16/1989 | DE3729390A1 Wavelength-independent optical digital/analog converter |
| 03/08/1989 | EP0305677A2 Optical arithmetic unit, device for converting residue numbers into positional notation numbers and method of operating the device and the arithmetic unit |
| 02/25/1988 | WO1988001400A1 Interferometric analog-to-digital converter and method for operation |
| 12/08/1987 | US4712089 All-optical A/D conversion using integrated nonlinear guided wave optical circuitry |
| 10/06/1987 | USH353 Extended precision in video bandwidth analog to digital converter using optical techniques |
| 09/15/1987 | US4694276 Interferometric analog-to-digital converter and method for operation |
| 05/06/1987 | EP0220838A2 Optical and acoustic signal processing apparatus |
| 04/15/1987 | CN85107469A Optical shaft encoder |
| 09/23/1986 | US4613204 D/A conversion apparatus including electrooptical multipliers |
| 02/18/1986 | US4571576 High speed analog-to-digital converter |
| 02/04/1986 | US4568911 Method and device for optical D-A conversion |
| 01/28/1986 | US4567355 Method and optical apparatus for converting residue numbers into positionally notated numbers |
| 09/17/1985 | US4542367 Optical digital to analog converter |
| 08/13/1985 | US4535231 Photodetector output circuit |
| 07/30/1985 | CA1191265A1 Method and optical apparatus for converting residue numbers into positionally notated numbers |
| 03/05/1985 | US4503467 Analog-digital converting apparatus |
| 02/26/1985 | US4502037 Analog-digital optical conversion process and apparatus |
| 01/18/1984 | EP0098325A2 Optical arithmetical unit, device for converting residue numbers into positional notation numbers |
| 08/30/1983 | CA1153095A1 Digitally controlled light intensity modulator |
| 07/26/1983 | US4395702 Bulk acoustic wave integrated optical deflector and monolithic A/D converter using such deflector |
| 01/05/1983 | EP0068949A1 Method and device for optical analogue to digital conversion |
| 04/20/1982 | US4325603 Electro-optic analog-to-digital converter |
| 01/06/1982 | EP0042999A2 High-speed analogue-digital and digital-analogue electro-optical converter |
| 09/08/1981 | US4288785 Light intensity modulator with digital control and a digital-analog converter comprising such a modulator |
| 12/10/1980 | EP0020216A1 Digitally controlled optical intensity modulator in integrated optics and digital-analog converter comprising such a modulator |
| 01/22/1980 | US4185274 High-speed electrooptical A/D converter |
| 08/22/1978 | CA1037157A1 Two-dimensional radiant energy array computers and computing devices |
| 08/22/1978 | CA1037147A1 Two-dimensional radiant energy array computers and computing devices |
| 11/15/1977 | US4058722 Electro-optic analog/digital converter |
| 08/30/1977 | US4045792 Analog to digital converter for two-dimensional radiant energy array computers |
| 12/14/1976 | US3997894 Analog-to-digital converter with electro-optical coding |
| 12/07/1976 | US3996455 Two-dimensional radiant energy array computers and computing devices |
| 10/12/1976 | US3985423 Optical digital to analog converter |