Abstract: The present invention is a dual-mode alarm apparatus for sports equipment. The two modes of the alarm apparatus are a first motion detect mode and a second separation detect mode. In the first motion detect mode, the alarm can be triggered when the device is moved from a set initial position which could be any orientation. In the second separation detect mode, the alarm can be triggered by the disconnection of a tether cord that changes the position of a tether switch, to help the user to locate his sporting equipment. The alarm fits in a compact housing to fit neatly on the sporting equipment, with an accessible key switch and a flashing LED to indicate the system is armed.

Abstract: A door looking device has an adjustable length shaft portion of an arcuate shape, a non-skid end portion mounted on a lower end of the shaft portion, and a door handle engaging bracket affixed to an end of the shaft portion opposite the end portion. The bracket has a generally U-shaped configuration. The shaft has an adjustable slide member formed therein. The slide member is affixed to the end portion and is movable so as to move the end portion relative to the shaft portion. The non-skid shaft portion is a pivot pad rotatably connected to the shaft portion. The pivot pad is of generally trapezoidal cross-section. The bracket has a prong formed interior of the configuration and extending upwardly from the shaft portion. An alarm device is mounted on the shaft portion and is responsive to shocks affecting the door handle above a threshold value.

Abstract: The invention is a monitoring device used to monitor bending of the back and spinal column that counts and displays the number of bends of the back beyond a predetermined angle during a specified time of operation, and also provides the option to emit an audible tone each time the predetermined angle is exceeded.

Abstract: An earthquake detector is provided for mounting on a structural member of a building or the like, which is resistant to false alarms arising from door slamming, traffic, running, sonic booms, etc., and yet which is sensitive to earthquakes and especially to P-waves which often precede destructive S-waves. The apparatus includes a motion detector for generating an alarm signal, which is responsive only to vibrations below a frequency of about 14 Hz, to avoid false alarms from non-earthquake vibrations. The detector can include a cantilevered beam device with a weight on its free end, and which generates a signal as the weight moves up and down, and a filtering circuit that passes primarily signal components of a frequency between 3 and 14 Hz. The beam device preferably is highly damped so its response is only slightly higher at its resonance frequency than at other frequencies.

Abstract: An alarm actuating sensor device for use in a picket barrier intrusion detection and location system including a generally t-shaped rocker element for rigid attachment to the upper end of a picket and for disposition within the upper longitudinally extending rail providing support for the picket, an elongated rocker spring pivotally engaged at its mid-point by a pin passed through the end of the picket and including downwardly turned end legs for engaging the lower wall of the rail and for exerting a biasing force on the picket pending to resist downward translation thereof, and a length of dual conductor "tape switch" the longitudinal axis of which extends generally along the longitudinal axis of the rail and passes between the rocker element and the rocker spring, whereby downward forces applied to the picket, or lateral forces tending to bend to the picket, cause the tape switch to be pinched between at least one extremity of the rocker spring and a portion of the rocker element thereby creating an electri