© Brooke Clarke,
N6GCE
3769585
Method and Aparatus for Earth-Space Range Measurements
Employing
Correction for Ionospheric Group Delay Oct. 30, 1973 342/386;
324/76.52;
324/76.54; 370/252; 455/67.16 (SRI)
3941984
4030100 Multipurpose submarine antenna
343/709; 343/725; 343/895
4114155 Position determining apparatus and method
342/394
4318063 Crystal oscillator compensated for g-sensitivity 331/158;
331/116R
4329690 Multiple shipboard antenna configuration 343/709;
343/725; 343/885
4335433 Method for correcting navigation errors due to water
currents June 15, 1982 701/200; 73/178R; 701/217 (sec of Navy)
4359733 Satellite-based vehicle position determining system
342/36; 342/44; 342/357.01; 342/456; 701/207
438429 Apparatus and method for providing pointing information
342/352; 89/41.03; 89/41.19
4426712 Correlation system for global position receiver 375/343;
370/515; 375/367
4445118 Navigation system and method 342/357.09; 342/356
4457006 Global positioning system receiver 375/333; 375/344;
455/264; 455/316 - designed for microprocessor use
4463357 Method and apparatus for calibrating the ionosphere and
application to surveillance of geophysical events 342/460; 342/26;
342/352
4468793 Global position system (GPS) multiplexed receiver August
28,
1984 375/344; 342/357.12; 342/418; 375/326 (TI)
4485383 Global position system (GPS) multiplexed receiver
342/352; 370/324; 375/365 - L1 L2 mux while maintaining lock on each SV
4532637 Differential receiver 375/226; 324/76.79; 342/394; 375/373
4559613 Digital frequency synthesizer circuit 708/103; 377/48 -
p-code circuit
4575861 Quadrature multiplexed post correlation IF channel
375/343; 375/327; 375/367
4578678 High
dynamic global positioning system receiver March 25,
1986
342/357.12;
342/418 (U.S.A.)
4599620 Method for determining the orientation of a moving
platform 342/357.11; 701/4; 701/21; 701/213; 702/150
4613977 Digital Navstar receiver 375/344; 342/420; 375/326;
375/367; 375/371
4660048 Microstrip patch antenna system 343/700MS; 343/830
4667203 Method and system for determining position using signals
from
satellites May 19, 1987
342/357.06;
342/357.08; 342/357.12; 342/418; 342/429; 342/450Counselman, III;
Charles
C.(Aero Service Div, Western Geophysical) - surveying use of GPS
4701934 Method of doppler searching in a digital GPS receiver
375/147; 342/357.15; 342/418; 702/77
Motorola uses FFT for processing GPS signals. Searches code
delay and doppler space much faster than prior receivers reducing cold
start time.
Referenced by:
| 1 |
6577271 |
Signal
detector employing coherent integration |
| 2 |
6560536 |
System
and method for rapid telepositioning |
| 3 |
6542823 |
Information
transfer in a multi-mode global positioning system used
with wireless networks |
| 4 |
6542821 |
GPS
receiver and method for processing GPS signals |
| 5 |
6531982 |
Field
unit for use in a GPS system |
| 6 |
6526322 |
Shared
memory architecture in GPS signal processing |
| 7 |
6519466 |
Multi-mode
global positioning system for use with wireless networks |
| 8 |
6519277 |
Accelerated
selection of a base station in a wireless communication
system |
| 9 |
6512479 |
Signal
acquisition using data bit information |
| 10 |
6496145 |
Signal
detector employing coherent integration |
| 11 |
6480788 |
System
and method for fast acquisition reporting using communication
satellite range measurement |
| 12 |
6480150 |
Autonomous
hardwired tracking loop coprocessor for GPS and WAAS
receiver |
| 13 |
6466161 |
Location
services system that reduces auto-correlation or
cross-correlation in weak signals |
| 14 |
6462708 |
GPS-based
positioning system for mobile GPS terminals |
| 15 |
6448925 |
Jamming
detection and blanking for GPS receivers |
| 16 |
6437739 |
Methods
and systems for monitoring multiple channels in a very high
frequency omni-directional range receiver |
| 17 |
6421002 |
GPS
receiver utilizing a communication link |
| 18 |
6407699 |
Method
and device for rapidly extracting time and frequency parameters
from high dynamic direct sequence spread spectrum radio signals under
interference |
| 19 |
6400314 |
GPS
receiver utilizing a communication link |
| 20 |
6389291 |
Multi-mode
global positioning system for use with wireless networks |
| 21 |
6348744 |
Integrated
power management module |
| 22 |
6347113 |
Global
positioning system receiver for monitoring the satellite
transmissions and for reducing the effects of multipath error |
| 23 |
6327473 |
Method
and apparatus for increasing the sensitivity of a global
positioning satellite receiver |
| 24 |
6327471 |
Method
and an apparatus for positioning system assisted cellular
radiotelephone handoff and dropoff |
| 25 |
6307504 |
Method
and system for using altitude information in a satellite
positioning system |
| 26 |
6304216 |
Signal
detector employing correlation analysis of non-uniform and
disjoint sample segments |
| 27 |
6282231 |
Strong
signal cancellation to enhance processing of weak spread
spectrum signal |
| 28 |
6278403 |
Autonomous
hardwired tracking loop coprocessor for GPS and WAAS
receiver |
| 29 |
6272430 |
GPS
receiver and method for processing GPS signals |
| 30 |
6259720 |
Versatile
digital signal processing system |
| 31 |
6259399 |
GPS
receivers and garments containing GPS receivers and methods for
using these GPS receivers |
| 32 |
6236845 |
System
and method for radio signal reconstruction using signal
processor |
| 33 |
6236673 |
Receiver
for receiving signals of a statellite nagivation system |
| 34 |
6236354 |
Reducing
satellite signal interference in a global positioning system
receiver |
| 35 |
6208290 |
GPS
receiver utilizing a communication link |
| 36 |
6185427 |
Distributed
satellite position system processing and application
network |
| 37 |
6169514 |
Low-power
satellite-based geopositioning system |
| 38 |
6154171 |
Low-power
satellite-based geopositioning system |
| 39 |
6147642 |
Method
and apparatus for limiting access to satellite communication
signals |
| 40 |
6141372 |
Digital
downconverter/despreader for direct sequence spread spectrum
CDMA communications system |
| 41 |
6133873 |
Method
and apparatus for adaptively processing GPS signals in a GPS
receiver |
| 42 |
6133871 |
GPS
receiver having power management |
| 43 |
6111540 |
Combined
GPS positioning system and communications system utilizing
shared circuitry |
| 44 |
6104340 |
GPS
receiver and method for processing GPS signals |
| 45 |
6094162 |
Low-power
satellite-based geopositioning system |
| 46 |
6075987 |
Stand
alone global positioning system (GPS) and method with high
sensitivity |
| 47 |
6064336 |
GPS
receiver utilizing a communication link |
| 48 |
6061018 |
Method
and system for using altitude information in a satellite
positioning system |
| 49 |
6049720 |
Link
delay calculation and compensation system |
| 50 |
6016119 |
Method
and apparatus for determining the location of an object which
may have an obstructed view of the sky |
| 51 |
6005889 |
Pseudo-random
noise detector for signals having a carrier frequency
offset |
| 52 |
6002363 |
Combined
GPS positioning system and communications system utilizing
shared circuitry |
| 53 |
5978411 |
Synchronizer
for receiver of spread spectrum communication apparatus |
| 54 |
5953649 |
Signal
acquisition in a satellite telephone system |
| 55 |
5884214 |
GPS
receiver and method for processing GPS signals |
| 56 |
5874914 |
GPS
receiver utilizing a communication link |
| 57 |
5864754 |
System
and method for radio signal reconstruction using signal
processor |
| 58 |
5841396 |
GPS
receiver utilizing a communication link |
| 59 |
5831574 |
Method
and apparatus for determining the location of an object which
may have an obstructed view of the sky |
| 60 |
5825327 |
GPS
receivers and garments containing GPS receivers and methods for
using these GPS receivers |
| 61 |
5805200 |
System
for determining position from pseudorandomly modulated radio
signals |
| 62 |
5781156 |
GPS
receiver and method for processing GPS signals |
| 63 |
5696797 |
Demodulator
with baseband doppler shift compensation and method |
| 64 |
5692014 |
Subsampled
carrier recovery for high data rate demodulators |
| 65 |
5663734 |
GPS
receiver and method for processing GPS signals |
| 66 |
5630218 |
Radio
receiving device for measuring an electric field level of a
receiving channel and adjacent channels using common components |
| 67 |
5535278 |
Global
positioning system (GPS) receiver for recovery and tracking of
signals modulated with P-code |
| 68 |
5530452 |
Method
of synchronizing spread spectrum radio transmitters |
| 69 |
5526389 |
Spread
spectrum open loop data recovery processor |
| 70 |
5519718 |
Remote
unit for use with remote pager |
| 71 |
5499266 |
Low-power
frequency-hopped spread spectrum acknowledgement paging
system |
| 72 |
5461921 |
Direct-sequence
spread-spectrum ultrasonic testing device |
| 73 |
5459473 |
GPS
receiver |
| 74 |
5450612 |
Communication
system for communicating with a plurality of selective
call receivers and method therefor |
| 75 |
5430759 |
Low-power
frequency-hopped spread spectrum reverse paging system |
| 76 |
5418843 |
Method
for estimating traffic density in mobile telephone networks |
| 77 |
5418538 |
Rapid
satellite signal acquisition in a satellite positioning system |
| 78 |
5347284 |
System
and method for a digital navigation satellite receiver |
| 79 |
5335246 |
Pager
with reverse paging facility |
| 80 |
5271034 |
System
and method for receiving and decoding global positioning
satellite signals |
| 81 |
5265121 |
Spread
spectrum coherent processor |
| 82 |
5223843 |
High
performance global positioning system receiver means and method |
| 83 |
5185761 |
GPS
receiver |
| 84 |
4841545 |
Synchronous
tracking device for direct spread spectrum receiver |
| 85 |
4841544 |
Digital
direct sequence spread spectrum receiver |
| 86 |
4821294 |
Digital
signal processor and processing method for GPS receivers |
| 87 |
4800577 |
GPS
receiver |
| 88 |
4748636 |
Method
and apparatus of transmitting image data in a satellite system |
| 89 |
4972431 |
P-code-aided
global positioning system receiver |
| 90 |
4972430 |
Spread
spectrum signal detector |
| 91 |
4965757 |
Process
and device for decoding a code signal |
| 92 |
4959656 |
Efficient
detection and signal parameter estimation with application to
high dynamic GPS receiver |
| 93 |
4926130 |
Synchronous
up-conversion direct digital synthesizer |
| 94 |
4905177 |
High
resolution phase to sine amplitude conversion |
| 95 |
4903279 |
Receiver
for spread spectrum communication and receiving method for the
same |
| 96 |
4894842 |
Precorrelation
digital spread spectrum receiver |
| 97 |
4879726 |
Spread
spectrum communications system |
Calls:
4711152 Apparatus for transmititng data to a projectile
positioned within a gun tube 89/6.5
4754465 Global positioning system course acquisition code
receiver
375/376; 455/3.02; 455/13.2 - Trimble Navigation oldest patent
calls:
| 3681697 |
Aug., 1972 |
Moroney |
455/302. |
| 4203070 |
May., 1980 |
Bowles et al. |
375/115. |
| 4232395 |
Nov., 1980 |
Yokogawa |
455/173. |
| 4247939 |
Jan., 1981 |
Stromswold et al. |
375/1. |
| 4384357 |
May., 1983 |
de Buda et al. |
455/208. |
| 4429418 |
Jan., 1984 |
Hooper |
455/314. |
| 4485477 |
Nov., 1984 |
Nossen |
375/1. |
| 4530103 |
Jul., 1985 |
Mosley, Jr. et al. |
375/1. |
| 4531236 |
Jul., 1985 |
Ishihara |
455/330. |
Called By:
| 1 |
6577271 |
Signal
detector employing coherent integration |
| 2 |
6574558 |
GPS
receiver with cross-track hold |
| 3 |
6542823 |
Information
transfer in a multi-mode global positioning system used
with wireless networks |
| 4 |
6531982 |
Field
unit for use in a GPS system |
| 5 |
6526322 |
Shared
memory architecture in GPS signal processing |
| 6 |
6522682 |
Triple
multiplexing spread spectrum receiver |
| 7 |
6519466 |
Multi-mode
global positioning system for use with wireless networks |
| 8 |
6519277 |
Accelerated
selection of a base station in a wireless communication
system |
| 9 |
6496145 |
Signal
detector employing coherent integration |
| 10 |
6493378 |
Methods
and apparatuses for reducing multipath errors in the
demodulation of pseudo-random coded signals |
| 11 |
6480150 |
Autonomous
hardwired tracking loop coprocessor for GPS and WAAS
receiver |
| 12 |
6466612 |
Multipath
processing for GPS receivers |
| 13 |
6466161 |
Location
services system that reduces auto-correlation or
cross-correlation in weak signals |
| 14 |
6463091 |
Spread
spectrum receiver using a pseudo-random noise code for ranging
applications in a way that reduces errors when a multipath signal is
present |
| 15 |
6462708 |
GPS-based
positioning system for mobile GPS terminals |
| 16 |
6448925 |
Jamming
detection and blanking for GPS receivers |
| 17 |
6421609 |
GPS
receiver with cross-track hold |
| 18 |
6400753 |
Pseudo-noise
correlator for a GPS spread spectrum receiver |
| 19 |
6393046 |
Spread
spectrum receiver with multi-bit correlator |
| 20 |
6389291 |
Multi-mode
global positioning system for use with wireless networks |
| 21 |
6348744 |
Integrated
power management module |
| 22 |
6327471 |
Method
and an apparatus for positioning system assisted cellular
radiotelephone handoff and dropoff |
| 23 |
6307439 |
Voltage
controlled oscillator with adaptive closed loop coarse tune |
| 24 |
6304216 |
Signal
detector employing correlation analysis of non-uniform and
disjoint sample segments |
| 25 |
6295449 |
Data
messaging in a communications network using a feature request |
| 26 |
6292749 |
GPS
receiver with cross-track hold |
| 27 |
6282231 |
Strong
signal cancellation to enhance processing of weak spread
spectrum signal |
| 28 |
6278403 |
Autonomous
hardwired tracking loop coprocessor for GPS and WAAS
receiver |
| 29 |
6259401 |
Global
positioning system receiver with improved multipath signal
rejection |
| 30 |
RE37256 |
System
and method for generating precise position determinations |
| 31 |
6249542 |
Multipath
processing for GPS receivers |
| 32 |
6240295 |
Data
messaging in a communications network using a feature request |
| 33 |
6236937 |
GPS
receiver with cross-track hold |
| 34 |
6198765 |
Spread
spectrum receiver with multi-path correction |
| 35 |
6188956 |
Navigation
device and method for selectively displaying thoroughfare
names |
| 36 |
6148202 |
Vehicle
locating and communicating method and apparatus |
| 37 |
6125325 |
GPS
receiver with cross-track hold |
| 38 |
6088635 |
Railroad
vehicle accident video recorder |
| 39 |
6084484 |
Programmable
precise frequency divider |
| 40 |
6076039 |
Navigation
device and method for displaying cartographic markers |
| 41 |
6061558 |
Method
and apparatus for a nation-wide cellular telephone network |
| 42 |
6047017 |
Spread
spectrum receiver with multi-path cancellation |
| 43 |
6046687 |
Clandsetine
location reporting for missing vehicles |
| 44 |
6041280 |
GPS
car navigation system |
| 45 |
6040798 |
Satellite
radiodetermination |
| 46 |
6018784 |
PCI
card for receiving a GPS signal |
| 47 |
6018704 |
GPS
receiver |
| 48 |
6009330 |
Method
and apparatus for call delivery to a mobile unit |
| 49 |
5995818 |
Low
noise block downconverter |
| 50 |
5987377 |
Method
and apparatus for determining expected time of arrival |
| 51 |
5983108 |
Method
and apparatus for a nation-wide cellular telephone network |
| 52 |
5970481 |
Method
and apparatus for determining tax of a vehicle |
| 53 |
5963582 |
Mitigation
of multipath effects in global positioning system receivers |
| 54 |
5953367 |
Spread
spectrum receiver using a pseudo-random noise code for ranging
applications in a way that reduces errors when a multipath signal is
present |
| 55 |
5913170 |
Locating
system and method using a mobile communications network |
| 56 |
5901171 |
Triple
multiplexing spread spectrum receiver |
| 57 |
5897605 |
Spread
spectrum receiver with fast signal reacquisition |
| 58 |
5884221 |
Vehicle
locating and communicating method and apparatus |
| 59 |
5832394 |
Vehicle
locating and communicating method and apparatus |
| 60 |
5815539 |
Signal
timing synchronizer |
| 61 |
5812591 |
Dual
conversion GPS frequency converter and frequency plan for same |
| 62 |
5809064 |
Pseudorandom
noise ranging receiver which compensates for multipath
distortion by dynamically adjusting the time delay spacing between
early and late correlators |
| 63 |
5808582 |
Global
positioning system receiver with improved multipath signal
rejection |
| 64 |
5771455 |
Data
messaging in a communications network using a feature request |
| 65 |
5734981 |
Method
and apparatus for call delivery to a mobile unit |
| 66 |
5724243 |
Method
and apparatus for determining expected time of arrival |
| 67 |
5699275 |
System
and method for remote patching of operating code located in a
mobile unit |
| 68 |
5694322 |
Method
and apparatus for determining tax of a vehicle |
| 69 |
5689245 |
Integrated
communications terminal |
| 70 |
5652707 |
Vehicle
locating and communicating method and apparatus |
| 71 |
5583513 |
System
and method for generating precise code based and carrier phase
position determinations |
| 72 |
5579376 |
Phantom
mobile-identification number method and apparatus |
| 73 |
5572218 |
System
and method for generating precise position determinations |
| 74 |
5564098 |
Ultra
low-power integrated circuit for pseudo-baseband down-conversion
of GPS RF signals |
| 75 |
5548293 |
System
and method for generating attitude determinations using GPS |
| 76 |
5544225 |
Data
messaging in a cellular communications network |
| 77 |
5539810 |
Data
messaging in a communications network |
| 78 |
5519760 |
Cellular
network-based location system |
| 79 |
5519621 |
Vehicle
locating and communicating method and apparatus |
| 80 |
5513111 |
Vehicle
locating and communicating method and apparatus |
| 81 |
5495499 |
Pseudorandom
noise ranging receiver which compensates for multipath
distortion by dynamically adjusting the time delay spacing between
early and late correlators |
| 82 |
5455823 |
Integrated
communications terminal |
| 83 |
5422813 |
No-outage
GPS/commercial RF positioning system |
| 84 |
5414729 |
Pseudorandom
noise ranging receiver which compensates for multipath
distortion by making use of multiple correlator time delay spacing |
| 85 |
5398190 |
Vehicle
locating and communicating method and apparatus |
| 86 |
5390207 |
Pseudorandom
noise ranging receiver which compensates for multipath
distortion by dynamically adjusting the time delay spacing between
early and late correlators |
| 87 |
5343210 |
Satellite
radionavigation receiver |
| 88 |
5343209 |
Navigation
receiver with coupled signal-tracking channels |
| 89 |
5313491 |
Acquisition
method for DSSS communications |
| 90 |
5313490 |
Acquisition
apparatus for DSSS communications |
| 91 |
5303393 |
Integrated
radio satellite response system and method |
| 92 |
5299132 |
Vehicle
locating and communicating method and apparatus using cellular
telephone network |
| 93 |
5223843 |
High
performance global positioning system receiver means and method |
| 94 |
5192957 |
Sequencer
for a shared channel global positioning system receiver |
| 95 |
5155491 |
Satellite
radio signal tracking method for GPS receivers |
| 96 |
5148452 |
Global
positioning system digital receiver |
| 97 |
5101416 |
Multi-channel
digital receiver for global positioning system |
| 98 |
5068872 |
Apparatus
and method for short cycling sequences of a p-code generator |
| 99 |
5008898 |
Carrier
modulating device for a spread spectrum communication device |
| 100 |
4998263 |
Generation
of trigger signals |
| 101 |
4933916 |
Phase
measurements using pseudo-random code |
| 102 |
4862178 |
Digital
system for codeless phase measurement |
| 103 |
4847862 |
Global
positioning system course acquisition code receiver |
4807256
Global position system receiver February 21, 1989375/344; 342/357.12
(TI)
4847862 Global positioning system course acquisition code
receiver 375/376; 370/317
5108334 Dual down conversion GPS receiver with single local
oscillator
April 28, 1992
455/314; 331/22; 455/318
5202694 P-code generation April 13, 1993 342/357.12; 380/46;
708/250
5663735 GPS receiver using a radio signal for improving time to
first fix September 2, 1997 Trimble
Multipath Reduction
6278407 Dual-frequency choke-ring ground planes, Javad Ashjaee (Topcon Positioning Systems), Aug 21, 200,
343/700MS ; 343/785; 343/848
Calls:
3434146 Low Profile Open-ended Waveguide Antenna with Dielectric Disc Lens, Louis G. Petrich (Army), Mar 18 1969,
343/753 ; 343/772; 343/783; 343/785
used on the Nike missile to provide an isotropic X-band antenna
Calls:
2742640 Aerial Systems, D.E. Cronin (GE), Apr 17 1956,
343/772
Calls:
2322971Shielded Antenna Feeder or Line, H.O. Roosenstein (), Jun 29 1843,
333/12 ; 174/28; 174/36; 333/207; 333/243
has 1/4 wave sections of coax coaxial with the normal coax line
2407068 Wave Transmetting System, M.D. Fiske (GE), - waveguide termination to act as antenna
2451876 Radio Frequency Joint, W.W. Salisbury (Navy), -
Chokes applied to coax and waveguide to get low impedance connection including rotary joints and flanges
2459768 Apparatus for Radiation or Reception of Electromagnetic Waves,
E.C. Cork (GB), uses 1/4 wave choke to block exterior currents
2549783 Antenna, L.A. DeRosa (Fed Tel & Radio), Apr 24 1951, - slot antenna
2557951 Antenna System, L.A. DeRosa (Fed Tel & Radio), Jun 26 1951, - slot antennas
2584399 Rotatable Waveguide Joint, W.M. Preston (Navy), - choke ring flanges
2597143 Wave Guide Joint, W.A. Aron (Navy), - circular choke that's not a full circle
talks about choke to flange and choke
to choke waveguide joints and the off center frequency reasonances of
choke to choke joints
Calls:
2451876 <see above>
2476621Cavity Joint, E.C. Okress (Westinghouse), July 19 1949 - choke flange to replace threaded or soldered joints
2921309 Surface Wave Omnidirectional Antenna, R.S. elliott (Hughes), Jan 1960,
References:
"An Annular Corrugated-surface Antenna", by E.M.T. Jones, Proceedings of the I.R.E, Vol 40, Nbr. 6 June 1952
2761138 Isotropic Radiator, D.R. Sherman (Navy), - uses circular
polarization to achieve both horizontal and vertical polarization at
the same time
Counselman GPS Patents
| 5194871 |
System
for simultaneously deriving position information from a plurality of
satellite transmissions |
| 5014066 |
System
for simultaneously deriving position information from a plurality of
satellite transmissions |
| 4894662 |
Method
and system for determining position on a moving platform, such as a
ship, using signals from GPS satellites |
| 4870422 |
Method
and system for determining position from signals from satellites |
| 4809005 |
Multi-antenna
gas receiver for seismic survey vessels |
| 4667203 |
Method
and system for determining position using signals from satellites |
| 4647942 |
Circularly polarized antenna for satellite
positioning systems |
Differential Corrections Inc
5477228 Differential global positioning system using radio data system, (Differential Corrections Inc.)
342/357.03 ; 455/12.1
Calls:
4751512 Differential navigation system for remote mobile users (Oceanonics, Inc.), Jun 14, 1988
5311194 GPS precision approach and landing system for aircraft (NAVSYS Corp), May 10, 1994
5323322 Networked differential GPS system (Trimble), Jun 21, 1994
Calls:
4646096 Enhanced global positioning system Delta-Range processing (Litton Sys), Feb 24, 1987
4751512 Differential navigation system for remote mobile users (Oceanonics) Jun 14, 1988
4797677 Method and apparatus for deriving pseudo range from earth-orbiting satellites (Istac, Inc) Jan 10, 1989
5155490 Geodetic surveying system using multiple GPS base stations (GPS Technology Corp) Oct 13, 1992
5202829
Exploration system and method for high-accuracy and high-confidence
level relative position and velocity determinations (Trimble) Apr 13,
1993
5225842 Vehicle tracking system employing global positioning system (GPS) satellites (NAVSYS Corp) Jul 6, 1993
Magnavox, Torrance, CA Patents
| 5177489 |
Pseudolite-aided
method for precision kinematic positioning |
| 5072227 |
Method
and apparatus for precision attitude determination |
| 4972431 |
P-code-aided global positioning system receiver
375/150;
342/357.12; 380/258 |
| 4963889 |
Method
and apparatus for precision attitude determination and kinematic
positioning |
| 4384293 |
Apparatus
and method for providing pointing information |
3475558
|
Time Gated Pseudonoise Multiplexing System Oct.
28,
1969 370/312; 370/335; 375/142; 375/145; 375/149; 375/150
-
PN CDMA
|
There are 505 as of 31 July 2003. Not all are directly GPS,
but realted.
5640452 Location-sensitive decryption of an encrypted message,
Michael D. Murphy (trimble), Jun 17, 1997, 380/5; 380/20 - Direct Broadcast TV application
There are 375 as of 31 July 2003
There are 38 as of 31 July, 2003.
contain Conexant:
6636178 Signal detector employing correlation analysis of non-uniform and disjoint ...
6496145 Signal detector employing coherent integration
6850557 Signal detector and method employing a coherent accumulation system to ...
6917331 Signal detector employing coherent integration
6952440 Signal detector employing a Doppler phase correction system
6931055 Signal detector employing a doppler phase correction system
7002516 Signal detector employing correlation analysis of non-uniform and disjoint ...
10151471 System and method for receiving digital satellite radio and GPS
Rockwell Collins
contain Conexant:
6067503 Method and apparatus for compensating
unexpected frequency shifts in Positioning Receivers - sense
temperature and shock to allow faster recovery
5920283 Receiver engine for global positioning system - aimed at embedding GPS into App (cell phone, game, etc)
6114992 Satellite acquisition and measurement system
and process - method of reducing the size of the acquisition search
space for doppler based on a prior lock
6031302 Battery management system with current
measurement across on-resistance of semiconductor Cutout Switch - uses
the On resistance of a MOSFET switch instead of sense resistor
6327471 Method and an apparatus for positioning system assisted cellular radiotelephone handoff and dropoff -
6100670 Multi-functional battery management module operable in a charging mode and a ...
6348744 Integrated power management module
6385460 Power management system for a mobile unit by reduced neighbor cell scanning
6044105 Doppler corrected spread spectrum matched filter - faster and less power
6412081 System and method for providing a trap and patch function to low power, cost ... - a way of patching errors in a ROM by providing a alternate memory such as EEPROM
6448925 Jamming detection and blanking for GPS receivers methods of detecting jamming based
on changed in correlator output changes (Why Conexant?)
6208844 System and process for shared functional block communication transceivers ...
6304216 Signal detector employing correlation analysis of non-uniform and disjoint ...
6628605 Method and apparatus for efficiently transmitting multiple data signals
6297771 Signal detector employing coherent integration
9728351 Phase noise tracker with a delayed rotator
7028134 Crossbar integrated circuit with parallel channels for a communication device
6484096 Wireless vehicle monitoring system (Satellite Devices Limited)
6484095 Vehicle operation and position recording system incorporating GPS (Satellite Devices Limited)
6665611 System for discovering and maintaining geographic location information in a ... (Cisco)
7206323 Interfacing 622.08 MHz line interface to a 77.76 MHz SONET framer
11035065 Power management for wireless direct link
11695838 Minimum processor instruction for implementing weighted fair queuing and ...
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