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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7359459 | System and method for low power clear channel assessment A method is provided for performing a clear channel assessment in a local device. The local device receives signal energy in a wireless channel and splits the received signal energy into a real portion and an imaginary portion. It determines a real portion of a squa... | 04/15/2008 |
| 7310112 | Information recording device and communication method thereof, electronic camera, and communication system An information recording device in which low-noise and clear image or audio information can be recorded by stopping the generation of a carrier in an oscillation section of wireless communication device during an imaging or sound recording process. The information r... | 12/18/2007 |
| 7257323 | Signal-off detection circuit and optical receiving device using the same This invention offers a signal-off detection circuit allowing arbitrary setting of an issuing time (response time) of a signal disconnection alarm without being affected by a time constant of a direct current feedback circuit giving an offset voltage to an amplifier... | 08/14/2007 |
| 7245674 | Method and system for providing low power WLAN receiver A method and system for conserving power in a WLAN receiver is provided by a channel estimator for detecting transmitted errors in a transmitted packet and providing equalization for the detected channel errors; a separate pilot processor for detecting off set error... | 07/17/2007 |
| 7078872 | System and method for conditioning a signal A method of conditioning a signal being communicated between a system to be controlled and a controller may include monitoring an actual output signal and conditioning the actual output signal. The method also includes determining the difference between the actual o... | 07/18/2006 |
| 6803815 | Amplitude modulation demodulation circuit A first automatic phase control (APC) detection circuit generates an APC detection signal having normal polarity from an amplitude modulation signal and APC detection reference signal. A second APC detection circuit generates an APC detection signal having reverse p... | 10/12/2004 |
| 6433631 | RF slipring receiver for a computerized tomography system A computerized tomography (CT) system having an apparatus and method for receiving high data rate communication is disclosed herein. The apparatus includes a controlled variable attenuator for attenuating an encoded digital data signal having a wide range... | 08/13/2002 |
| 5815534 | Detector of carrier loss in a fax modem A detector of a carrier loss in a modem receiver of a fax transmission of a document, of the type includes a first calculator of the receive signal and a first comparator of this energy with respect to a threshold. The detector further includes means for ... | 09/29/1998 |
| 4653073 | Low error rate digital demodulator An on-off keyed carrier signal is demodulated by quadrature sampling of the incoming carrier signal at twice carrier frequency to provide short term digital patterns indicating detection of an incoming signal of carrier frequency. A number of phase counti... | 03/24/1987 |
| 4597082 | Transceiver for multi-drop local area networks A multi-drop local area network utilizes alternating current power lines as a transmission channel. Identical transceivers are used as a master and as up to 255 slaves. Each transceiver comprises modulator and demodulator units and a microprocessor contro... | 06/24/1986 |
| 4519083 | Bilateral digital data transmission system A digital data transmission system for transmitting digital data from digital data handling hardware over a transmission line by analog signal representation and for receiving analog signal representation for reception of digital signals by the digital da... | 05/21/1985 |
| 4315261 | Radar signal detector A sensitive radar signal detector is provided which is operative to reliably detect low level radar radiation characteristic of scattered radiation of very short duration and unknown frequency. Received radar signals which are mixed with a swept frequency... | 02/09/1982 |
| 4177427 | Phase-normalized parallel tuned receiver channel system A system having a plurality of parallel tuned receiver channels, wherein a normalized phase relationship is maintained in the respective channels between amplified pulsed high frequency carrier signals having a given frequency is disclosed. Each of a plur... | 12/04/1979 |
