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Class Information
Number: 342/21
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Base band system
Description: Subject matter wherein a radar signal extends over a broad band of frequencies rather than being at a single carrier frequency.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6373428 |
Self locking dual frequency clock system |
Apr. 16, 2002 |
| 6239741 |
UWB dual tunnel diode detector for object detection, measurement, or avoidance |
May. 29, 2001 |
| 6236352 |
Heterodyned double sideband diplex radar |
May. 22, 2001 |
| 6222481 |
Method of detecting and classifying objects by means of radar |
Apr. 24, 2001 |
| 6211815 |
Coherent radar detection using non-coherent architecture |
Apr. 3, 2001 |
| 6208248 |
Quick response perimeter intrusion detection sensor |
Mar. 27, 2001 |
| 6191724 |
Short pulse microwave transceiver |
Feb. 20, 2001 |
| 6177903 |
System and method for intrusion detection using a time domain radar array |
Jan. 23, 2001 |
| 6140809 |
Spectrum analyzer |
Oct. 31, 2000 |
| 6067039 |
Systems and methods for determining the distance between two locations |
May. 23, 2000 |
| 6012008 |
Method and apparatus for predicting a crash and reacting thereto |
Jan. 4, 2000 |
| 5969663 |
Time domain radio transmission system |
Oct. 19, 1999 |
| 5952956 |
Time domain radio transmission system |
Sep. 14, 1999 |
| 5901172 |
Ultra wideband receiver with high speed noise and interference tracking threshold |
May. 4, 1999 |
| 5896102 |
Swept range gate radar system for detection of nearby objects |
Apr. 20, 1999 |
| 5864313 |
Process for determining the intermediate frequency deviation in frequency pulsed radar systems |
Jan. 26, 1999 |
| 5854603 |
Ultra-wideband swept range gate radar system with variable transmitter delay |
Dec. 29, 1998 |
| 5812081 |
Time domain radio transmission system |
Sep. 22, 1998 |
| 5805101 |
Process for determining the position of a radar target |
Sep. 8, 1998 |
| 5661485 |
Homodyne receiver apparatus and method |
Aug. 26, 1997 |
| 5606737 |
Oscillator mixer and a multiplier mixer for outputting a baseband signal based upon an input and output signal |
Feb. 25, 1997 |
| 5568150 |
Method and apparatus for hybrid analog-digital pulse compression |
Oct. 22, 1996 |
| 5543799 |
Swept range gate radar system for detection of nearby objects |
Aug. 6, 1996 |
| 5517197 |
Modular radar architecture film (FM/CW or pulse) for automobile collision avoidance applications |
May. 14, 1996 |
| 5486833 |
Active signalling systems |
Jan. 23, 1996 |
| 5465094 |
Two terminal micropower radar sensor |
Nov. 7, 1995 |
| 5389933 |
Linear pulse compression radar system and method |
Feb. 14, 1995 |
| 5381151 |
Signal processing for ultra-wideband impulse radar |
Jan. 10, 1995 |
| 5363108 |
Time domain radio transmission system |
Nov. 8, 1994 |
| 5361070 |
Ultra-wideband radar motion sensor |
Nov. 1, 1994 |
| 5283584 |
High power photon triggered ultra-wideband RF radiator with opposite apertures |
Feb. 1, 1994 |
| 5248975 |
Ground probing radar with multiple antenna capability |
Sep. 28, 1993 |
| 5220328 |
Target motion detecting impulse doppler radar system |
Jun. 15, 1993 |
| 5191343 |
Radar target signature detector |
Mar. 2, 1993 |
| 5177486 |
Optically activated hybrid pulser with patterned radiating element |
Jan. 5, 1993 |
| 5157401 |
Jog detector |
Oct. 20, 1992 |
| 5148174 |
Selective reception of carrier-free radar signals with large relative bandwidth |
Sep. 15, 1992 |
| 5134408 |
Detection of radar signals with large radar signatures |
Jul. 28, 1992 |
| 5095312 |
Impulse transmitter and quantum detection radar system |
Mar. 10, 1992 |
| 5049887 |
Target range detector with moving target indication |
Sep. 17, 1991 |
| 4975703 |
High resolution short range radar |
Dec. 4, 1990 |
| 4955038 |
Low-power RF receiver |
Sep. 4, 1990 |
| 4907001 |
Extraction of radar targets from clutter |
Mar. 6, 1990 |
| 4743906 |
Time domain radio transmission system |
May. 10, 1988 |
| 4695752 |
Narrow range gate baseband receiver |
Sep. 22, 1987 |
| 4691204 |
Radar apparatus |
Sep. 1, 1987 |
| 4688041 |
Baseband detector with anti-jam capability |
Aug. 18, 1987 |
| 4510496 |
Baseband radar docking system |
Apr. 9, 1985 |
| 4357610 |
Waveform encoded altitude sensor |
Nov. 2, 1982 |
| 4152701 |
Base band speed sensor |
May. 1, 1979 |
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