Inventor
GALVIN AARON A
34 patents
⚠️ This page may combine multiple inventors who share the name “GALVIN AARON A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN DISTRICT TELEGRAPH CO
28 patentsUS4206449AJun 3, 1980
Multiple sensor intrusion alarm system
AMERICAN DISTRICT TELEGRAPH CO199 citations97
US4321594AMar 23, 1982
Passive infrared detector
AMERICAN DISTRICT TELEGRAPH CO124 citations96
US4195286AMar 25, 1980
Alarm system having improved false alarm rate and detection reliability
AMERICAN DISTRICT TELEGRAPH CO71 citations96
US4051467ASep 27, 1977
Fluid flow detector for a fire alarm system
AMERICAN DISTRICT TELEGRAPH CO58 citations96
US4636774AJan 13, 1987
Variable sensitivity motion detector
AMERICAN DISTRICT TELEGRAPH CO72 citations95
US4544836AOct 1, 1985
Optically-based access control system
AMERICAN DISTRICT TELEGRAPH CO93 citations95
US4679881AJul 14, 1987
Electrical interconnection apparatus and technique
AMERICAN DISTRICT TELEGRAPH CO42 citations92
US4321592AMar 23, 1982
Multiple sensor intrusion detection system
AMERICAN DISTRICT TELEGRAPH CO29 citations92
US4614968ASep 30, 1986
Contrast smoke detector
AMERICAN DISTRICT TELEGRAPH CO52 citations91
US4538138AAug 27, 1985
Integrated security system having a multiprogrammed controller
AMERICAN DISTRICT TELEGRAPH CO87 citations91
US4427888AJan 24, 1984
Infrared imaging system
AMERICAN DISTRICT TELEGRAPH CO25 citations82
US4131888ADec 26, 1978
Dual projected-beam smoke detector
AMERICAN DISTRICT TELEGRAPH CO20 citations82
US4023156AMay 10, 1977
Alarm system for detecting disturbance of a solid medium
AMERICAN DISTRICT TELEGRAPH CO23 citations82
US3932870AJan 13, 1976
On-line test circuit for intrusion alarm systems
AMERICAN DISTRICT TELEGRAPH CO24 citations82
US4423410ADec 27, 1983
Two-wire multi-zone alarm system
AMERICAN DISTRICT TELEGRAPH CO25 citations81
US4359721ANov 16, 1982
Two-wire multi-zone alarm system
AMERICAN DISTRICT TELEGRAPH CO20 citations81
US4032916AJun 28, 1977
Intrusion alarm cable supervision system
AMERICAN DISTRICT TELEGRAPH CO21 citations77
US4331952AMay 25, 1982
Redundant sensor adapter
AMERICAN DISTRICT TELEGRAPH CO22 citations76
US4383250AMay 10, 1983
System for intrusion detection
AMERICAN DISTRICT TELEGRAPH CO13 citations74
US4491828AJan 1, 1985
Two-wire multi-zone alarm system
AMERICAN DISTRICT TELEGRAPH CO19 citations73
US4024519AMay 17, 1977
Intrusion alarm test system
AMERICAN DISTRICT TELEGRAPH CO7 citations73
US3938118AFeb 10, 1976
Multizone intrusion alarm system
AMERICAN DISTRICT TELEGRAPH CO7 citations73
US4468664AAug 28, 1984
Non-home run zoning system
AMERICAN DISTRICT TELEGRAPH CO14 citations72
US4303908ADec 1, 1981
Electronic sounder
AMERICAN DISTRICT TELEGRAPH CO18 citations72
US4117479ASep 26, 1978
Multi-mode intrusion alarm system
AMERICAN DISTRICT TELEGRAPH CO19 citations69
US4155066AMay 15, 1979
Transducer structure
AMERICAN DISTRICT TELEGRAPH CO9 citations66
US4134110AJan 9, 1979
Transceiver with skewed transducers for low close-in sensitivity
AMERICAN DISTRICT TELEGRAPH CO2 citations63
US3946376AMar 23, 1976
Multiple zone intrusion alarm system
AMERICAN DISTRICT TELEGRAPH CO5 citations63
ADT INC
4 patentsUS4728936AMar 1, 1988
Control and display system
ADT INC104 citations96
US4687924AAug 18, 1987
Modular transceiver with adjustable specular member
ADT INC102 citations93
US4749871AJun 7, 1988
Self-diagnostic projected-beam smoke detector
ADT INC26 citations89
US4823015AApr 18, 1989
Electrical interference free projected beam smoke detector
ADT INC23 citations79