"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 5784796 | Lineal count recorder An engineering drawing copier includes a device for measuring and recording cumulative movement of the copier's paper feed belt only when paper is present at the exposing lamp. A correct cumulative paper length is generated, notwithstanding variations in ... | 07/28/1998 |
| 5546672 | Magnetic mark detection A method and apparatus for detecting magnetic marks on a wireline logging cable and for more accurately making depth measurements during logging is described. The method uses depth-based, rather than time-based, samples and calculations. A Hall Effect sen... | 08/20/1996 |
| 5009242 | Apparatus for monitoring sewer cleaning tool extension A mobile sewer cleaning machine comprises an elongated sewer cleaning tool wound upon a reel mounted in a reel compartment of the machine. A reel control motor is coupled to the reel to rotate the reel in one direction to play out the tool into a sewer by... | 04/23/1991 |
| 4535949 | Length measuring during rolling up of thin material A device for measuring the rolled-up length of web forming a roll when a web break has occurred during formation of the roll employs a web break indicator to indicate a web break. Normal web length measuring is carried out by counting pulses from a pulse ... | 08/20/1985 |
| 4463913 | System and apparatus for controlling the unwinding of coiled material System and apparatus for controlling of coiled material in a rolling line or in a process line, in which an instruction signal is produced at a predetermined moment to decrease the unwinding speed when the coiled material is to be unwound, the system and ... | 08/07/1984 |
| 4156467 | Well drilling system In a well drilling system, a drill bit is raised or lowered through formations surrounding a borehole in response to the movement of a cable onto and off of a drawworks drum. Magnetic markings are affixed to the drum, and a pair of sensors detect rotation... | 05/29/1979 |