Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5267269 | System and method employing predetermined waveforms for transmit equalization A data communication system employing predetermined equalized waveforms for transmit equalization is disclosed. Serial NRZ data is received from a network controller and utilized to select from memory its equivalent as predistorted and filtered Manchester... | 11/30/1993 |
| 5253272 | Digital data transmission system with adaptive predistortion of transmitted pulses A digital data transmission system includes a transmitter connected to a receiver by a twisted pair. A digital transversal filter, included in the transmitter, supplies output signals to one of four resistor banks, as determined by an automatic selection ... | 10/12/1993 |
| 5120909 | Terminating devices detection and verification circuit A circuit for detecting and verifying a presence of a terminating device for a high speed data transmission line. The circuit contains a first cable detector which generates a first signal if a first cable is present. A second cable detector generates a s... | 06/09/1992 |
| 4887278 | Equalizer for digital transmission systems A post-equalizer and pre-equalizer circuit for use in communicating between nodes in a pulse amplitude modulated digital communication system is described. The post-equalizer circuit comprises a first variable zero circuit, a second variable circuit, and ... | 12/12/1989 |
| 4787094 | Apparatus for transmitting digital signal In a digital signal transmission apparatus for transmitting a digital signal through a transmission system of the type which inherently generates nonlinear distortions, the present invention, by means of digital circuits on the transmitting side, allows a... | 11/22/1988 |
| 4745622 | Equalizer for digital transmission systems A post-equalizer and pre-equalizer circuit for use in communicating between nodes in a Pulse Amplitude Modulated (PAM) digital or analog communication system is described. The post-equalizer circuit comprises a first variable zero circuit, a second variab... | 05/17/1988 |
