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Class Information
Number: 375/151
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Receiver > Correlation-type receiver > Having saw or charge-transfer device
Description: Subject matter in which the receiver is implemented using at least one surface acoustic wave or charge-transfer (e.g., CCD) structure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623037 |
Multi-transducer/antenna surface acoustic wave device sensor and tag |
Nov. 24, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7388899 |
Spreading code structure for ultra wide band communications |
Jun. 17, 2008 |
| 7386035 |
Method of compensating for energy loss and eliminating inter-symbol interference and inter-chip interference and rake receiver for WLAN adopting the same |
Jun. 10, 2008 |
| 7356094 |
Digital broadcast receiving apparatus |
Apr. 8, 2008 |
| 7349498 |
Method and system for data and edge detection with correlation tables |
Mar. 25, 2008 |
| 7327780 |
Wireless communications systems and methods for multiple operating system multiple user detection |
Feb. 5, 2008 |
| 7274729 |
Spread spectrum communication device and communication system |
Sep. 25, 2007 |
| 7269207 |
Method of symbol index selection in code division multiple access |
Sep. 11, 2007 |
| 7158763 |
Multi-IDT SAW hybrid communication system |
Jan. 2, 2007 |
| 7090724 |
Langasite single crystal ingot, substrate for piezoelectric device and method for manufacture thereof, and surface acoustic wave device |
Aug. 15, 2006 |
| 6990138 |
Correlated spreading sequences for high rate non-coherent communication systems |
Jan. 24, 2006 |
| 6904107 |
Space-weighted communication path estimation |
Jun. 7, 2005 |
| 6847676 |
All-lag spread-spectrum correlators with rotating references |
Jan. 25, 2005 |
| 6825794 |
Wireless communication system using surface acoustic wave (SAW) second harmonic techniques |
Nov. 30, 2004 |
| 6775318 |
Method and apparatus for code group identification and frame synchronization in DS/CDMA systems |
Aug. 10, 2004 |
| 6697418 |
Spread spectrum communication device and communication system |
Feb. 24, 2004 |
| 6462698 |
Wireless communication system using surface acoustic wave (SAW) single-phase unidirectional transducer (SPUDT) techniques |
Oct. 8, 2002 |
| 6226319 |
Spread spectrum demodulation circuit, spread spectrum communication apparatus, delay-detection-type demodulation circuit, and delay-detection-type communication apparatus |
May. 1, 2001 |
| 6134264 |
Spread spectrum communication device and communication system |
Oct. 17, 2000 |
| 6014373 |
Spread spectrum CDMA subtractive interference canceler system |
Jan. 11, 2000 |
| 5909461 |
Spread spectrum communication apparatus and demodulator surface acoustic wave element and surface acoustic wave parts for spread spectrum communication |
Jun. 1, 1999 |
| 5784403 |
Spread spectrum correlation using saw device |
Jul. 21, 1998 |
| 5488662 |
System and method for identifying an arrival time of a communicated signal |
Jan. 30, 1996 |
| 5483549 |
Receiver having for charge-coupled-device based receiver signal processing |
Jan. 9, 1996 |
| 5454005 |
Reciprocal mode saw correlator method and apparatus |
Sep. 26, 1995 |
| 5434893 |
Component for a differential transmitter-receiver of signals with direct sequence spread spectrum and the corresponding transmitter-receiver |
Jul. 18, 1995 |
| 5355389 |
Reciprocal mode saw correlator method and apparatus |
Oct. 11, 1994 |
| 5353304 |
Surface acoustic wave device, and demodulating apparatus and communication system using the surface acoustic wave device |
Oct. 4, 1994 |
| 5280499 |
Spread spectrum communication system |
Jan. 18, 1994 |
| 5278864 |
Spread spectrum communication device |
Jan. 11, 1994 |
| 5276704 |
SAWC phase detection method and apparatus |
Jan. 4, 1994 |
| 5276705 |
CCD demodulator/correlator |
Jan. 4, 1994 |
| 5272721 |
Spread spectrum receiving device |
Dec. 21, 1993 |
| 5262977 |
Surface acoustic wave convolver |
Nov. 16, 1993 |
| 5148413 |
Narrow band disturbing wave detecting device |
Sep. 15, 1992 |
| 5144639 |
Spread-spectrum communication system |
Sep. 1, 1992 |
| 5132985 |
Spread spectrum receiver |
Jul. 21, 1992 |
| 5127020 |
Bias control device |
Jun. 30, 1992 |
| 5105436 |
Spread spectrum receiver |
Apr. 14, 1992 |
| 5090023 |
Spread spectrum communication system |
Feb. 18, 1992 |
| 5081642 |
Reciprocal saw correlator method and apparatus |
Jan. 14, 1992 |
| 5073898 |
Communication device |
Dec. 17, 1991 |
| 5062121 |
Spread spectrum communication device |
Oct. 29, 1991 |
| 5048052 |
Spread spectrum communication device |
Sep. 10, 1991 |
| 5038363 |
Correlation processing device using a surface acoustic wave convolver |
Aug. 6, 1991 |
| 5038362 |
Spread spectrum receiver |
Aug. 6, 1991 |
| 5022047 |
Spread spectrum correlator |
Jun. 4, 1991 |
| 5016255 |
Asymmetric spread spectrum correlator |
May. 14, 1991 |
| 5008898 |
Carrier modulating device for a spread spectrum communication device |
Apr. 16, 1991 |
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