Abstract: An accessory receiver is adapted for mechanical engagement with a level sensing device such as a carpenter's level or with other similar tools. The accessory receiver provides a receiver body for engagement within a box frame structure by spring action so that surfaces of the receiver and the level are forced into intimate contact. A pair of springs forces a receiver body into a flush position on the face of a box frame. A keyhole slot in the receiver is adapted for receiving a shaft for an accessory and for capturing it with snap-action onto an alignment upset for true alignment of the accessory with the tool.

Abstract: An electrical circuit provides a fixed frequency switching regulator, having improved dynamic response, and a low count of external discrete elements. The circuit can be used at 100% duty cycle and does not require a minimum load or the components usually found in such circuits for compensation. A current source is used to charge a timing capacitor. A comparator is used in conjunction with a hysteresis circuit so that as the timing capacitor is charged the voltage on one input of the comparator rises until reaching a set input voltage level whereupon the timing capacitor is discharged to ground. A PWM latch logic element is used to control output to a control switch, a FET, so that positive going output pulses are received at an output terminal. A divider network between the output terminal and the timing capacitor along with a switch controlled by the PWM latch element are used for slope compensation for maintaining operational synchronization to the oscillator.

Abstract: A transparent vessel containing a fluid and a life-like full scale human brain inserted into the fluid is used for novelty purposes. The vessel is open on its top and sealed on its bottom, and is mounted on a base portion of the device. Air bubbles are produced from an air pump attached to the side of the base portion. A tube connected to the air pump and an outlet port is positioned inside of the vessel, immersed in the liquid to supply air. The transparent, water-tight brain vessel is lit from underneath by a lamp. To enhance an effect of a scientific fiction experiment, the novelty is placed on a stand and has one or more decorative perforated tubes attached for visual effect. The tank is preferably covered with a dome-shaped lid.

Abstract: An apparatus for carrying panel materials adjacent to a truck side panel has a stationary workpiece resting surface mounted on the truck side panel and a movable workpiece clamping and supporting device positioned adjacent to the stationary workpiece resting surface and mounted to the truck. A motive device such as a motor engages the truck and is connected for moving the workpiece clamping and supporting device toward and away from the workpiece resting surface for sandwiching a workpiece between the workpiece resting surface and the workpiece clamping and supporting device for enabling the truck to transport the workpiece.

Abstract: An apparatus comprises a base plate having features enabling mounting on a person's belt or pocket. A cradling device is adapted for receiving a hand tool and for clamping the hand tool A biasing device is adapted for moving the tool clamping device between a tool receiving position and a tool clamping position so as to make the tool available for use and to place the tool within reach when it is needed respectively. When the tool is removed from the clamping device the it is automatically unclamped. When the tool is placed into the clamping device it is automatically clamped in place.

Abstract: A mechanical puppet show apparatus provides a base unit supporting on its upper surface (stage) one or more mechanical puppets. The puppets are interconnected with a circuit for motion actuation in accordance with a stage play that is programmed into a memory device and controlled by a digital control unit. Manual, remote control and verbal signals may be received for interactive action of the puppets with the audience. A method for use of materials downloaded by packet data transfer from the Internet may be employed in programming.

Abstract: A linear joining and locking device comprises a first receiver member providing a first closure surface thereon and a first linear cavity therein, the first closure surface communicating with the first linear cavity along a first linear aperture defined in the first receiver member; a second receiver member providing a linear sealing mounting device; the first closure surface being positionable for aligning the first linear aperture in mutual linearly corresponding adjacency with the linear sealing device mounting device; an elongate linear elastomeric sealing device engaged within the first linear cavity and the linear sealing device, and extensive therebetween; the sealing device providing a first linear channel therein, the linear channel responsive to fluid pressure for expanding the sealing device within the linear cavity so as to enable the first and second receiver members to be mechanically joined when desired.

Abstract: The present invention is a combination baby bottle and amusement device. The baby bottle has a hollow cylindrical body and a bladder that holds the feeding liquid. The device is adapted to frictionally fit into an open end of the cylinder opposite a feeding nipple. The device projects light beams into the liquid filled bladder and also produces a sound show. The device projects a single or multiple light beams that change color, shape, intensity, and blink synchronously with time. The light and sound show entertain the baby while it is feeding and may also pacify and arouse the baby.

Abstract: A linear measurement and control apparatus uses a press roll for directly engraving the surface of a linear control bar and then engaging the control bar which is attached to a machine element, to measure its linear motion and thereby identifying its position. As the machine element moves, the attached control bar transmits its motion to the press roll, inducing rotation. The press roll is attached to a measurement disk having a sensory pickup so that rotation of the press roll is sensed. Light transmission is used for sensing motion of a measurement disk and for counting pulses for determining position.

Abstract: A child's bed mat provides a comfortable sleeping surface which includes vibration devices for soothing a child to sleep. A vertical portion of the mat is strapped in an upright attitude to the vertical rungs of a crib, for instance, and enables the placement of a control box out of reach of the child. The mat is constructed so as to be easily folded for portability.

Abstract: A bubble vial is mounted in a carpenter's level by a pivot rod on one side of the vial and an eccentric cam rod on the other side of the vial. The vial housing is supported in the pivot rod so as to be able to move, due to thermal expansion differences between the box frame of the assembly and the bubble vial assembly, with simple linear translation toward and away from the pivot rod and yet is not subject to twisting, torquing or rotating motions. The cam rod is eccentric so that by its rotation the vial is caused to adjust its attitude relative to the carpenter's level and thus accommodate any out of calibration condition.

Abstract: The present invention provides a spill-proof container having a two-panel cover such that an upper panel is stationary, while a lower panel is enabled for rotational motion relative to the upper panel. As each panel has an aperture in it, and the lower panel provides a device for manual actuation of the rotational motion of the lower panel relative to the upper panel, the invention enables one to reach inside of the container when the lower aperture is positioned by the rotative motion adjacent to the upper aperture. Therefore, the food is held fresh and protected from exposure to the undesirable moisture or dryness of the fresh air, while it is easily accessible without removal of the container's cover. This objective is further enhanced by a resilient, snap-action engagement of an L-shaped annular container cover rim with the top annular rim of the container. Additionally, the lower panel aperture is provided with a flexible surface which is split by radial slits into flexible fingers.

Abstract: A standoff is adapted for mechanical engagement along one side of a level sensing device such as a carpenter's level. The standoff provides a body for interlocking to the level's side by drawing an edge of the level into a V-notch in the standoff so that surfaces of the standoff and the level are forced into intimate contact, thereby aligning the two parts. The standoff provides a magnet and U-shaped magnet support for enabling the standoff to magnetically engage any iron bearing surface such as a steel construction stud or an iron or steel pipe. The U-shaped magnet support is configured for accepting a round surface so that the level sensing device may be used to detect level and plumb conditions on both flat as well as round surfaced objects.

Abstract: A grasping apparatus (10) has multiple fingers (64) joined within slots (56) in the face of a moving piston (50) within a fluid cylinder (20). As the piston (50) moves, cams (62) joined to the fingers (64) are rotated so as to close or open the fingers (64) which are radially mounted. Once actuated the piston (50) is returned to its relaxed position by a spring (70) when fluid pressure is released.

Abstract: A video monitor mounted support shelf or platform has adaptive support legs vertically adjustable for fitting a range of monitors and further provides a clamping device for attachment to the monitor's case without modification of the monitor's case. The adjustable legs are defined in two embodiments as the scissor adjustable type or as laterally displaced V-shaped legs having an adjustable divergent angle.

Abstract: A security method compares a present verbal utterance with a previously recorded verbal utterance by comparing frequency domain representations of the utterances, with multiple repeat utterances forming a basis for determining a variation in repetitious performance by an individual, and similar differences between enrollment and challenge utterances forming a basis for a similar analysis of variance between enrollment and challenge utterances. In one embodiment a set of enrollment data is searched by each challenge until either a match is made, indicating an action, possibly dependent upon the specific match, or no match is made indicating an abort.