Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7296176 | Method and apparatus for limiting the number of asynchronous events that occur during a clock cycle One embodiment of the present invention provides a system that limits a maximum repetition rate of an asynchronous circuit. The system operates by receiving a clock signal at a rate-controlling circuit for the asynchronous circuit from a source external to the async... | 11/13/2007 |
| 7106761 | Multiplexing method and apparatus suitable for transmission of overhead data arriving from many communication lines Data arriving from a plurality of channels asynchronously to each other are respectively stored in separate FIFOs (10). A controller (12) monitors the status of the FIFOs (10), retrieves the stored data in a predetermined order, and multiplexes ... | 09/12/2006 |
| 6907090 | Method and apparatus to recover data from pulses Methods and corresponding apparatus to recover data from a signal comprising groups of pulses generated in response to analog waveforms are described. Data recovery in accordance with the invention is based on parameters characterizing the groups of pulses. These pa... | 06/14/2005 |
| 6791953 | Interface apparatus An interface apparatus includes a pulse generating unit which detects the change of reading target data and generates a start pulse, an adjusting unit which generates an adjusting signal that changes from a first signal level to a second signal level in response to ... | 09/14/2004 |
| 6463092 | System and method for sending and receiving data signals over a clock signal line The system preferably includes a unique transmitter that sends both clock and data signals over the same transmission line. The receiver uses the same transmission line to send data signals back to the transmitter. The transmitter comprises a clock genera... | 10/08/2002 |
| 5987560 | Integrated programmable logic circuit for conditioning received input signals, detecting transitions of conditioned signals, and generating an associated interrupt respectively A flexible general input/output function utilizes a programmable logic circuit in conjunction with general purpose input/output pins. A programmable logic circuit receives the input signals from the input terminals. The programmable logic circuit program ... | 11/16/1999 |
| 5889781 | Asynchronous timing generator The asynchronous timing generator is comprised of a clock signal generator that generates a master clock signal. The master clock signal is used by a master clock counter to generate a bit clock. The master clock counter divides the master clock signal's ... | 03/30/1999 |
| 5450349 | Computer system performance evaluation system and method A system for evaluating the performance of a computer system having a processor that passes through a plurality of processor states during operation and an associated system memory includes an operating unit for receiving a request to monitor specific pro... | 09/12/1995 |
| 5412644 | Serial bus system with a single-wire line A method and circuit arrangement for a single-wire bus system wherein a commercially available processor reads data from a transmitter. The transfer of the data over a single-wire line is controlled exclusively by the processor. The processor generates a ... | 05/02/1995 |
| 4498167 | TDM Communication system A time division multiplex digital data communication system with reduced band width. The system operates on independent digital signals so they can be multiplexed by encoding the time of transition of the digital data on each channel and transmitting seri... | 02/05/1985 |
| 4358845 | Process for the compression of signalling data or the like transmitted in a train of multiplexed PCM information A process for the compression of signalling data or the like transmitted in a stream of digital PCM information organized in multiplexing frames, the signalling data being inserted in a specific time slot of the PCM frames, the signalling binary digits tr... | 11/09/1982 |
| 4353128 | Synchronous/asynchronous data communication arrangement A data communication arrangement is disclosed for multiplexing an asynchronous binary data signal with a synchronous binary data signal by the timely insertion of an extra data bit in selected synchronous data words and by delaying the transmission of the... | 10/05/1982 |
| 4234949 | Multiplexer and time duration measuring circuit A multiplexer device is provided for multiplexing data in the form of randomly developed, variable width pulses from a plurality of pulse sources to a master storage. The device includes a first multiplexer unit which includes a plurality of input circuit... | 11/18/1980 |
| 4175214 | Apparatus and method for a pulse regeneration system A pulse regeneration system for the sampling of a number of asynchronous pulse sources and for transmission of these pulses over a common data channel to a remote location. The transmitted pulses are delayed in time, but their width is reproduced with a h... | 11/20/1979 |
| 4119795 | System for transmitting asynchronous bit transitions of data signals using time-division multiplexing A circuit arrangement for facilitating the transmission of asynchronously occurring binary data values is described. According to prior art systems, each binary value change is assigned a multibit pulse group by means of channel units. These channel units... | 10/10/1978 |
| 3984632 | Circuit arrangement for the time division multiplex transmission of asynchronously occurring binary values of data A circuit arrangement for facilitating the transmission of asynchronously occurring binary data values is described. Each binary value change is assigned a multi-bit pulse group in the frame of a coarse scanning pulse train. A pulse discriminator, upon th... | 10/05/1976 |
| 3934093 | Transit exchange for asynchronous data with unknown structure The present invention relates to a transit exchange for the transmission of asynchronous data signals having an unknown character structure and data rate with the aid of a control equipment including a processor and a sampling device which is common to a ... | 01/20/1976 |