85results about "Portable traffic signalling" patented technology

A presence detection system comprising, among other things, a radio transmitter and receiver is described herein. The transmitter includes a motion detection circuit, a microprocessor, and a radio frequency modulator. The motion detection circuit is configured to direct a motion detected signal to the microprocessor upon the transmitter being moved in a predetermined manner. The microprocessor is configured to generate an encoded message that includes a preamble denoting a beginning of the encoded message, an identification code denoting a type of transmitter, and a check message (such as a checksum) containing information about content of the encoded message. Finally, the radio frequency modulator is configured to modulate the encoded message at a transmitting frequency.

An improved hand-worn signaling device is disclosed that comprises at least one light-emitting assembly on the palmar side of the hand and at least one light-emitting assembly on the dorsal side of the hand; in one embodiment of the invention, the palmar light-emitting assembly is red and the dorsal light-emitting assembly is green. One embodiment of the device also comprises a controller that detects hand motions by the user and activates the appropriate light-emitting assembly in response. In another embodiment, the controller detects the angle of the user's wrist or knuckles, and activates the appropriate light-emitting assembly depending on the angle of the user's joints. In another embodiment, the controller detects the spatial orientation of the user's hand, and activates the appropriate light-emitting assembly depending on whether the user's hand is positioned vertically with the fingers pointing straight up (the “stop” position) or in any other orientation. An interlock switch that prevents inadvertent activation, and a feedback device that enables the user to tell which light-emitting assembly is on, are also disclosed.

A self-assembling network is configured to automatically and dynamically connect devices used in operations carried out on or near roads bearing vehicle and pedestrian traffic. An automatic, ad hoc network connecting existing and new devices can be used to enhance safety by gathering and exchanging safety critical information. In some cases, existing equipment can be augmented with a network controller and radio frequency communications to permit the devices to join a wireless local network and exchange information over the network. New devices, including wearable devices, can be configured to act as nodes on the wireless local network. Establishing the relative position of vehicles, sensors, wearables, and other nodes on the disclosed ad hoc wireless network allows the coordination of functions based on position.

The invention resides in an alert device, the device including a housing containing one or more flashing light sources and one or more non-flashing light sources, wherein both flashing and non-flashing light sources are arranged to emit light away from the housing, and optionally a detector adapted to detect the movement of an object into an area proximate to the housing, and control circuitry connected or connectable to a power supply, wherein the control circuitry is adapted to light the one or more flashing light sources in response to a signal from the detector indicating that a moving object has been detected.

A warning stanchion that has a vertical support structure, a belt receptacle affixed to the vertical support structure, a tilt sensor, and a warning signal generator in communication with the belt receptacle and the tilt sensor. Typically, a plurality of the warning stanchions are used to created a warning barrier around an object so that the warning signal generates a signal when the warning barrier is breached. The warning signal generator may emit a visual warning, an audio warning, or a frequency signal.

The invention provides a device (10) for identifying a person or an object. The device (10) includes a transparent body (42), and embedded within the transparent body (42), a printed circuit board (PCB) (46), a plurality of light emitting diodes (LEDs) (48) electrically connected to the PCB (46), and a diffuser (16). The diffuser (16) is arranged to diffuse light emitted from the LEDs (48) thereby to illuminate the transparent body (42) to form a light source for identifying a person or an object attached to the device (10).

A system and apparatus for detecting the approach of a vehicle includes an encoded signal which identifies a vehicle or route, and which is used to distinguish from different vehicles and routes. A receiver detects transmission signals above a threshold level, and responsive to reception thereof checks for one or a plurality of codes that identify particular vehicles of interest. When a desired signal is received, an alarm or indicator is generated that alerts a person. When the indicator is terminated, a lock-out period prevents undesired re-activation of the alarm or indicator based upon the same code. Unique headers enable transmission and exchange of additional data, and logical text may be provided which enables more ready viewing of coded information. The present invention has industrial applicability to public and private transportation systems, whether for passengers or other cargo.

A device and method to enhance the visibility and thus the safety of users of open conveyances, such as motorcycle riders, bicyclists, skiers, and the like, is described. The device comprises one or more long, flexible strips containing LEDs or another light source inside of a long, transparent, flexible tube. The tube is worn around the torso that it passes over both shoulders, crosses in the back, and is fastened in the front so that both ends and also the center of tube are secure against the torso. A controller and power source options are provided, in various embodiments, includes ones that use a smart phone and the like, and synchronize multiple users, to cause the illuminated strips to light in a sequence of light, or patterns, wherein these light sequences are visible from all sides of the user.

Electronic light emitting flares and related methods. Flares of the present invention include various features such as self-synchronization, remote control, motion-actuated or percussion-actuated features, dynamic shifting between side-emitting and top-emitting light emitters in response to changes in positional orientation (e.g., vertical vs. horizontal) of the flare; overrides to cause continued emission from side-emitting or top-emitting light emitters irrespective of changes in the flare's positional orientation; use of the flare(s) for illumination of traffic cones and other hazard marking or traffic safety objects or devices, group on / off features, frequency specificity to facilitate use of separate groups of flares in proximity to one another, selection and changing of flashing patterns and others.

A portable traffic sign and safety stand suitable for use directing traffic under changing conditions. The traffic sign may be rotated in the safety stand to change traffic direction to drivers. The safety stand may include safety features such as lighted signs on the sides. In addition, the safety stand is of suitable height for use for stretching, and may have amenities such as cup holders, storage compartments, hand-held radio holders, and hand-held sign holders.

The invention provides a device (10) for identifying a person or an object. The device (10) includes a transparent body (42), and embedded within the transparent body (42), a printed circuit board (PCB) (46), a plurality of light emitting diodes (LEDs) (48) electrically connected to the PCB (46), and a diffuser (16). The diffuser (16) is arranged to diffuse light emitted from the LEDs (48) thereby to illuminate the transparent body (42) to form a light source for identifying a person or an object attached to the device (10).

Systems and methods of a safety belt to be worn by individuals in the course of physical activities such as walking, running, biking, etc. Safety belts of the inventive subject matter include one or more sensors that are used to develop a kinematic status of the individual wearing the safety belt. Kinematic status information can be broadcast out wirelessly, and it can be used to determine whether to generate an alert. Some embodiments of the safety belt can detect the presence of a hazard in the vicinity of an individual wearing the safety belt.

A line-of-sight optical detection system comprises: a plurality of dimmable light sources (11, 12, 13, 14); a controller (30) for controlling the light sources to emit coded light; a detector (21, 22, 23, 24), receiving light from two or more of said light sources. The controller decodes the detector output signal, determines which light source contributes to the light received by the detector and, on the basis of the outcome, determines a location of an object (2). A communication system (100) comprises:—a plurality of dimmable light sources (111, 112, 113, 114); a controller (130) for controlling the light sources to emit coded light; a receiver (200) comprising a CPU (230) and a light detector (211), receiving light from at least one of said light sources. The CPU (230) decodes the detector output signal and, on the basis of the outcome, decides on an action to be taken.

A hand-held apparatus for directing the flow of traffic is disclosed. The palm side of a glove includes multiple high intensity red light emitting diodes (LEDs), and the back side of the glove includes multiple high intensity green LEDs. A control circuit coupled to the red and green high intensity LEDs periodically monitors the state of a motion and position sensor. When the state of the motion and position sensor corresponds to the palm side of the glove being in a vertical position with multiple fingers of the glove pointing skyward to within an acceptance angle of vertical relative to the ground, the control circuit illuminates the high intensity red LEDs. When the state of the motion and position sensor corresponds to the palm side of the glove not being in a vertical position relative to the ground, the control circuit illuminates the high intensity green LEDs.

Accordingly, a primary object of the present invention is to provide a novel safety alert sign which provides a uniquely attention-getting and highly visible warning to oncoming drivers during both daylight, and, particularly twilight and dusk through the nighttime hours.

A safety device, comprising at least one sensor for sensing the presence of an object and a warning system that emits at least one precreated verbal warning message after the sensor senses an object. The warning system includes a control system that allows a user to select at least one of a plurality of precreated verbal warning messages for emission. In another embodiment, a safety device comprises a safety cone, a sensor disposed on the safety cone and that senses an object, and a warning system disposed at the top of the safety cone and that emits at least one warning signal after the sensor senses an object.

A mobile emergency light device includes a casing (1), a moving closure cover (2), a translucent lens (3), an electronic circuit board (5) for control, and a combined reflector (4), in which the combined reflector (4) has an inverted bell shape and is open at both ends, in which the electronic circuit board is securely connected to the combined reflector (4), and provided with a plurality of light-emitting diodes (LED), suitably angled towards the combined reflector (4), and in which the casing (1) forms inside this a cylindrical cavity (13), whose interior houses an automatic switch, driven by the base of the casing approaching a ferromagnetic material.

A system in which a sensor unit in the casing of a lantern detects an impact and generates a wireless alert signal and is powered from the battery used to power the light source of the lantern. The sensor unit can be mounted onto the terminals of a battery and held within the cavity of the lantern housing used to house the battery. In this way the sensor unit can be incorporated with the lantern without any modification to the design of the lantern.

A mechanical cargo shifter is used in cooperation with a mechanical cargo handler, where cargo is organized into cargo positions arranged as rows and columns, and where the cargo handler and cargo are supported upon a platform attached to a truck or trailer. The cargo shifter includes a guide, and a base movable to follow the guide along the platform. The base supports the cargo handler which is fixed to the base. A carriage is attached to the base to be movable in an opposite direction to that of the base. A shifter bar reversibly extends from the carriage to a position adjacent a cargo position. When the carriage is moved, cargo is shifted to create either a cleared position or a loaded position next to the cargo loader, as needed. When a row is fully loaded or emptied, the base moves to the next row area.

Accordingly, a primary object of the present invention is to provide a novel safety alert sign which provides a uniquely attention-getting and highly visible warning to oncoming drivers during both daylight, and, particularly twilight and dusk through the nighttime hours.

A portable traffic control sign that includes a lightweight sign head selectively attachable to a lightweight pole. The sign head includes a thin interior frame sandwiched between two opposite facing, traffic sign panels. The inner support sign frame includes an octagonal outer support frame and an inner support frame. Attached to the opposite surfaces of the outer and inner support frames are two arrays of LED bulbs. The two sign panels each include a thin transparent window. When placed on opposite sides of the interior sign frame, light from the first and second array of LED bulbs is able to be transmitted through the two windows exteriorly. In the preferred embodiment, each panel is made of DOT approved retro-reflective material. The two arrays are connected to a main control unit mounted inside the lightweight pole which also contains the battery pack and optional flasher switches.

A traffic control paddle includes a frame with a handle and a head having two sides. The head has a perimeter, a face inset within the perimeter, a surface on the face carrying literal indicia, and an upstanding lip extending around the perimeter and projecting above the face by a first distance. Two spaced-apart light-emitting diodes in the face are seated in annular projections, each of which projects above the face by a second distance. The handle carries batteries and a switch to provide power to the light-emitting diodes. The light-emitting diodes are spaced above and below the literal indicia on the face and are programmed to blink.

An illuminated road sign has reflective lettering on each side, a plurality of illumination devices, and a battery-powered controller. The illumination devices are arranged along the perimeter of each face of the sign, are powered by the battery or with solar cell in an alternate embodiment, and are controlled by switches located on the handle of the sign assembly. The sign may be supported by a tripod structure portion that enables the sign to be utilized in a stand-alone state.

A system for detecting a vehicle traveling a designated direction of travel on a roadway includes a sign having a front surface and a back surface. The sign may include a sign boundary marker that is different in color than a color of the front surface. One or more light panels such as an LED light panel is affixed to the sign such as to its front surface. The light emitting elements may lie below a top plane of the light panel. A color of a top surface of the light panel matches a color on the front surface of the sign over which the light panel is placed. A vehicle motion detector or proximity detector is oriented in a direction and has a detection zone for detecting moving vehicles in proximity to the sign. The detector illuminates the lights of the light panel after detecting a moving vehicle in proximity to the sign.

This invention relates to electronic wearable articles such as clothing. The invention is an integrated wearable article (e.g. an electronic glove) that allows a user to signal to others the user intent for direction. The electronic glove includes a glove, a chevron-shaped light integrated with the glove that points away from the user when glove is on the hand of the user to indicate intended direction, and an electronic circuit including a switch mechanism with a first contact assembly on the thumb and a second contact assembly on the index finger of the glove, wherein the electronic circuit detects when the first contact assembly touches the second contact assembly to actuate the light, and a battery to power the electronic circuit.