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Class Information
Number: 342/137
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > With pulse modulation > With variable pulse repetition frequency (prf) or pulse width
Description: Subject matter including changing the rate of the pulse transmission or the width of the pulse transmissions from the radar source.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4219817 |
Protection device for pulsed radar |
Aug. 26, 1980 |
| 4214242 |
Method and apparatus for eliminating multiple-time echoes in pulse Doppler radars |
Jul. 22, 1980 |
| 4194204 |
High resolution microwave seeker |
Mar. 18, 1980 |
| 4158840 |
3-D Radar comprising 2-D radar with height finding attachment |
Jun. 19, 1979 |
| 4153899 |
MTI radar system and method |
May. 8, 1979 |
| 4137532 |
VIP doppler filter bank signal processor for pulse doppler radar |
Jan. 30, 1979 |
| 4106019 |
Range resolving doppler radar system |
Aug. 8, 1978 |
| 4053884 |
High prf unambiguous range radar |
Oct. 11, 1977 |
| 4049953 |
Complex pulse repetition frequency generator |
Sep. 20, 1977 |
| 4040057 |
Clutter filter for Pulse Doppler Radar |
Aug. 2, 1977 |
| 4015261 |
Time sharing circuit for guard radar receiver in radar ranging system |
Mar. 29, 1977 |
| 3987443 |
Radar |
Oct. 19, 1976 |
| 3975729 |
Target detecting system |
Aug. 17, 1976 |
| 3955196 |
Marine radar transmission and reception system |
May. 4, 1976 |
| 3952305 |
Marine radar transmission and reception system |
Apr. 20, 1976 |
| 3950749 |
Doppler frequency impulse radar system with displaced pulse sequence |
Apr. 13, 1976 |
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