Searching US Patent Collection...
Results of Search in US Patent Collection db for:
(((AUDIO AND AUTOMATIC) AND DEPENDENT) AND SURVEILLANCE): 780 patents.
Hits 751 through 780
out of 780
| PAT. NO. | | Title |
751 |
4,369,467 |
|
Video camera monitoring system
|
752 |
4,347,618 |
|
Apparatus for processing weather radar information
|
753 |
4,335,383 |
|
Method and apparatus for digitally determining the speed of a target
vehicle while the radar platform vehicle is in motion
|
754 |
4,319,289 |
|
Movable head automatic position acquisition circuit and method |
755 |
4,318,142 |
|
Automatically compensated movable head servo circuit and method
|
756 |
4,308,560 |
|
Method of operating a signal reproducing apparatus for effecting
synchronous reproduction of recorded signals
|
757 |
4,286,336 |
|
Automatic shutdown arrangement for stand-alone television modulator
|
758 |
4,275,385 |
|
Infrared personnel locator system
|
759 |
4,250,470 |
|
Syllabic compander with logarithmic chain
|
760 |
4,215,362 |
|
Track selection method and apparatus
|
761 |
4,197,564 |
|
Automatically calibrated RF envelope detector circuit
|
762 |
4,163,993 |
|
Continuous slow motion automatic tracking system
|
763 |
4,155,040 |
|
Frequency programmable RF communications
|
764 |
4,112,818 |
|
Surveillance and weapon system
|
765 |
4,107,465 |
|
Automatic audiometer system
|
766 |
4,106,022 |
|
Radio position-determining system
|
767 |
4,097,025 |
|
Electronic fence surveillance apparatus
|
768 |
4,068,096 |
|
Pressure monitoring system
|
769 |
RE29,401 |
|
Method and apparatus for digitally measuring speed
|
770 |
4,039,761 |
|
Electronic apparatus for the permanent storage and automatic dialing of
telephone numbers
|
771 |
3,984,803 |
|
Seismic intrusion detector system
|
772 |
3,936,824 |
|
Method and apparatus for digitally measuring speed
|
773 |
3,921,175 |
|
Method of monopulse angle gating for computer
|
774 |
3,816,648 |
|
SCENE INTRUSION ALARM
|
775 |
3,697,972 |
|
METAL DETECTION AND ALARM SYSTEMS
|
776 |
3,683,111 |
|
TELEVISION BANDWIDTH COMPRESSION AND EXPANSION SYSTEM
|
777 |
3,668,307 |
|
TWO-WAY COMMUNITY ANTENNA TELEVISION SYSTEM
|
778 |
3,643,257 |
|
DOPPLER RADAR AUTOMATIC SIGNAL DETECTION APPARATUS
|
779 |
3,641,266 |
|
SURVEILLANCE AND INTRUSION DETECTING SYSTEM
|
780 |
3,582,557 |
|
BURGLAR AND FIRE ALARM
|