| Patent Number |
Title Of Patent |
Date Issued |
| 8077600 |
Mobile communication system |
December 13, 2011 |
| To provide a method and an apparatus for achieving a cell redundancy. Base stations, to which different frequency bands are assigned, have active base-station transmitter-receivers with a predetermined number of wireless zones repeated. Some base stations also have standby base-stati |
| 7881659 |
Radio frequency repeater |
February 1, 2011 |
| A radio frequency repeater equipment in a radio communication system is disclosed. An indoor space exists under a radio base station of the radio communication system, and a mobile terminal in the indoor space performs radio communications with the radio base station via the radio freque |
| 6378982 |
Printing apparatus and a printing method |
April 30, 2002 |
| In a multipass printing using a print head which has a plurality of staggered columns of print elements, one and the same print line is formed by using nozzles (k1-129, k2-1) of different nozzle columns (k1, k2) to disperse the directivity of landing deviations of dots in the same print |
| 6231156 |
Ink-jet printing apparatus and ejection recovery method of printing head |
May 15, 2001 |
| In an ink-jet printing apparatus for performing printing of an image using a plurality of printing heads for ejecting an ink and a printing head for ejecting a processing liquid making the ink insoluble, a rebounding mist to be generated by ejection of the ink and the processing liquid i |
| 5768321 |
Automatic frequency control unit which detects a frame pattern in a phase modulation signal |
June 16, 1998 |
| An automatic frequency controller synchronizes a received carrier signal with a simulated carrier signal to automatically control a center frequency of the simulated carrier signal. The received carrier signal has a first synchronous code pattern inserted into a plurality of frame pe |
| 5457710 |
Method and circuit for detecting burst signal |
October 10, 1995 |
| A phase angle .theta. of a received signal is calculated according to a formula .theta.=tan.sup.-1 (Q/I), where I and Q are magnitudes of baseband signals obtained by quadrature detection of the received signal. An angular velocity .DELTA..theta. of the phase angle .theta. is also ca |
| 5448508 |
Quasi-moving average circuit |
September 5, 1995 |
| A quasi-moving average circuit constituted without use of a conventional shift register, and constituted by a subtracter which subtracts output data at the preceding sampling time from input data at the sampling time at present and outputs subtraction data; an accumulator unit which adds |
| 5440266 |
Demodulating apparatus having quick pull-in synchronization facility at instantaneous disconnect |
August 8, 1995 |
| A demodulating apparatus, which includes an up/down counter which counts up and down in accordance with a phase detection signal from a phase detector, an addition/subtraction unit which adds and subtracts the value (.DELTA.F1, .DELTA.F2) of the synchronization pull-in range to the count |
