Matches 51 - 74 out of 74 < 1 2


Match Document Document Title
3725890 MOTION SENSITIVE ALARM SYSTEM  
A motion sensitive alarm system having a sensing mechanism for actuating an alarm device in response to rotational motion, i.e., being tilted, as well as in response to linear motion. The alarm...
3721956 THEFT ALARM OPERABLE BY VIBRATION  
An alarm is attached to a device such as a bicycle and operates when the device is moved. The alarm is controlled by a key switch which is turned on when the device is left unattended and must be...
3709030 VIBRATION DETECTION APPARATUS  
Vibration responsive apparatus including novel vibration sensing means. The vibration sensing means includes a light source, a light-sensitive element positioned for receiving light from the light...
3647999 DECELERATION-RESPONSIVE SENSORS  
The invention is a deceleration-responsive sensor particularly adaptable for use with vehicle safety devices of the type comprising an inflatable air bag which inflates at the moment of impact to...
3597753 MOTION-TRIP SECURITY DEVICE  
A motion-trip security device, for transmitting, receiving, and signalling upon occurrence of a breach of security of the object to which the device is affixed, said device being automatically...
3566350 AUTOMOTIVE TAMPER ALARM  
3502832 FORCE RESPONSIVE SWITCH  
3436499 INERTIA-OPERATED SWITCH  
3415960 Trembler switch  
3340522 Entry alarm device  
3256762 Hydraulic die cutting machine having inertia switch means to control hydraulic operation  
3097272 Inertia switch  
3053949 Intermittent electrical switch  
3049700 Vibration responsive burglar alarm apparatus  
2999179 Vibration sensitive diode  
2996586 Magnetic tremble switch  
2959892 Child's flashing toy  
2947830 Vehicle alarm switch  
2916162 Apparatus for damping pendulum motions of the load suspended from a lifting machine  
2897306 Acceleration responsive microswitch  
2885504 Automobile theft alarm  
2872495 Collision safety switch  
2806610 Anti-swing crane  
2805067 Electric weapons  

Matches 51 - 74 out of 74 < 1 2