"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7116218 | Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus A detection/communication apparatus to be installed on a vehicle having a plurality of tires. The apparatus includes: (a) tire state detectors which are provided on the respective tires and each of which detects a state of a corresponding one of the tires; (b) local... | 10/03/2006 |
| 4494211 | Balanced system for ranging and synchronization between satellite pairs A balanced ranging and synchronization (R&S) system for a master(M)-slave satellite pair including a clock, a transmitter, a receiver, a time difference measuring device and a calculating device on both M and S. Each satellite transmits timing signals sy... | 01/15/1985 |
| 4128003 | Acoustic couplers for horological calibration instruments Apparatus is disclosed which is employed to provide an audible sound at a given repetition rate to enable one to test and calibrate a timing mechanism such as a watch which employs a non-audible frequency source, such as a crystal or quartz oscillator. Th... | 12/05/1978 |
| 4078419 | Method and apparatus for testing the accuracy of an electronic clock An electronic clock, such as a quartz-crystal clock, is tested and may be adjusted by measuring the oscillation frequency of the clock with an active antenna. The oscillation frequency is electrically compared with a reference frequency to determine devia... | 03/14/1978 |
| 4078420 | Digital watch analyzer Disclosed is an analyzer for producing a digital display of the rate of deviation of a solid state wristwatch from a predetermined norm. It comprises a counter and calculator into which are gated a series of high frequency pulses for a period of time depe... | 03/14/1978 |
| 4041767 | Testing apparatus for use in calibrating wristwatches Timing apparatus is provided for use in calibrating a wristwatch whose timing accuracy depends on the oscillation frequency of an electrical oscillator in the wristwatch. Electrical energy radiated from the wristwatch is picked up and in response there is... | 08/16/1977 |