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| Number | Title | Issue Date |
| 5198901 | Derivation and use of motion vectors in a differential pulse code modulation system A differential pulse code modulation system having bidirectional motion estimation for blocks in bidirectionally-predicted frames, B frames, that is derived from the motion vector of a block in an anchor frame whose projection along its motion vector has ... | 03/30/1993 |
| 5063298 | Irradiator for dosimeter badges An irradiator is disclosed for irradiating dosimeters type used to monitor environmental exposure or exposure of personnel to radiation. The irradiated dosimeters are used as standards against which dosimetry analysis equipment is calibrated. The inventio... | 11/05/1991 |
| 3967069 | Compatible four channel FM system A four channel FM system is described. In one embodiment the usual 19 kHz pilot signal is employed to switch between front and rear information, while in another, a 76 kHz switching signal is employed for this purpose.... | 06/29/1976 |
| 3931637 | Dual channel automatic picture sharpness control A video shaping control circuit is utilized to control a video shaping network in a television receiver for controlling the sharpness of the image displayed on a television picture tube. The video shaping control circuit is responsive to an AGC signal suc... | 01/06/1976 |
