Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 5019905 | Encoding and decoding of multiple video sources A system for encoding selected signal position information from a plurality of video signal sources onto the video signals and for selecting a predetermined one of the signals for display by decoding the encoded information. The encoding portion encodes i... | 05/28/1991 |
| 4994916 | Apparatus and method for encoding identification information for multiple asynchronous video signal sources Apparatus for encoding identification information onto video signals provided by a plurality of video signal sources (cameras) comprises a switching arrangement for supplying, in sequence, a plurality of independent video signals, each from one of the vid... | 02/19/1991 |
| 4992867 | Technique for monitoring magazine readers while permitting a greater choice for the reader of possible reading positions A technique for unobtrusively monitoring a person reading a magazine to determine what page of the magazine is being read. It is necessary to monitor both the magazine as well as the reader's eyes for this purpose. However, test results can be skewed if t... | 02/12/1991 |
| 4992866 | Camera selection and positioning system and method An apparatus for a closed circuit television network having a plurality of video cameras producing video signals, a plurality of video display monitors and a video switcher apparatus coupled therebetween, comprising control apparatus coupled to the video ... | 02/12/1991 |
| 4989084 | Airport runway monitoring system A system for monitoring and recording the movement of aircraft and their external characteristics and paths during and after landing and take-off from an airport runway detects malfunctions, pilot error, equipment failure or other evidence that might assi... | 01/29/1991 |
| 4989085 | Apparatus for remote verification and control of close circuit television cameras A closed circuit television apparatus comprises a plurality of transmitters each including a remote-controlled television camera for generating video signals to a central supervisory station and a circuit for generating first code signals corresponding to... | 01/29/1991 |
| 4982092 | 360 Degree optical surveillance system A 360 degree surveillance system for detecting an infrared IR signal coming rom a scene. The IR signal is reflected by the scanning mirror to an imaging lens. The scanning mirror rotates 360 degrees around a vertical axis. The imaging lens images the IR si... | 01/01/1991 |
| 4977449 | Video switching systems using frequency agile modulators and demodulators A broadband (RF) system using frequency agile demodulators or frequency agile modulators for coupling video cameras at remote locations to one or more video monitors at a central location. In a first embodiment, video cameras at remote locations are provi... | 12/11/1990 |
| 4970588 | Video monitoring apparatus with plural inputs Analog-to-digital converters of an image processor dealing with multiple input video signals are each provided with a sync separation circuit for extracting the sync signal from the input video signal and a frequency divider which is reset by the sync sig... | 11/13/1990 |
| 4943854 | Video surveillance system for selectively selecting processing and displaying the outputs of a plurality of TV cameras The multi-video recorder incorporates a multiplexing means permitting selection of the video signal from each of plurality of TV cameras according to a predetermined importance or priority and a priority changed due to occurrence of a new event and transm... | 07/24/1990 |
| 4943864 | Closed circuit television apparatus for supervisory system A closed circuit television camera for a supervisory system includes a number of transmitting devices which generate video signals and are located at each of a number of different places to be observed, a television receiver which receives the video signa... | 07/24/1990 |
| 4928175 | Method for the three-dimensional surveillance of the object space In order to register the space, there are installed two video cameras at certain angles with respect to each other. In this object space there are arranged control points, the object coordinates (Xk, Yk, Zk ; k=1, 2, 3 . .... | 05/22/1990 |
| 4814869 | Video surveillance system A video surveillance system is disclosed in which modulated signals from a plurality of video cameras are multiplexed onto a single path capable of carrying for example up to 36 video channels. One or more such communication paths are provided to a signal... | 03/21/1989 |
| 4777526 | Security monitor system A security monitor system is designed to transmit video signals from a plurality of video information sources via a common transmission line. Video information from respective video information sources is scanned at given timings to check the monitoring a... | 10/11/1988 |
| 4700230 | Modular video control system A modular video switching system for switching a video signal from one of many video cameras to a video monitor. The system includes one or more individual modules each containing a limited set of input channels. The modules can be cascaded with each othe... | 10/13/1987 |
| 4673974 | Image transmission system Plural television cameras situated at monitored sites, each assigned with a particular code, generate image signals of the sites. An image signal transmitting unit receives those signals and transmits an image transmission signal over a transmission a mon... | 06/16/1987 |
| 4577344 | Vision system A system for sensing, processing and analyzing images includes a camera assembly for sensing a workpiece image and generating video signals representing the sensed images. The video signals are fed through a multiplexer to a vision processor and a display... | 03/18/1986 |
| 4462045 | Method of and apparatus for documenting and inspecting a cargo container A method of and system for documenting and inspecting an object comprising an imaging apparatus which takes images of different views of an object positioned at an inspection station are disclosed. Included are apparatus for communicating signals represen... | 07/24/1984 |
| 4453182 | High speed imaging television system A television system for observing an event which provides a composite video output comprising the serially interlaced images the system is greater than the time resolution of any of the individual cameras.... | 06/05/1984 |
| 4337482 | Surveillance system A closed circuit TV surveillance system for business and other types of establishments in which a TV camera is movable along and suspended from a modified T-shaped rail assembly, which assembly is within a partially opaque housing. The view of the camera ... | 06/29/1982 |
| 4308559 | Switching apparatus for closed circuit television monitoring systems A solid state switch assembly for selectively coupling a TV monitor to one of a plurality of TV cameras. A random access memory is utilized to establish the switching sequence. The switch is advanced through the desired sequence by activating an oscillato... | 12/29/1981 |
| 4198656 | Video sequencer-processor Apparatus for selecting a particular signal group from a signal group sequence including a video recorder for sequentially recording the video signals from a plurality of surveillance television cameras, the signal group sequence comprising a sequential r... | 04/15/1980 |
| 4051524 | Sequential video switching system A video surveillance system having a plurality of video cameras and means for reproducing the scenes viewed by a selected by one of the cameras. A switch selectively connects the cameras to the reproducing means. A counter generates a sequence of signals ... | 09/27/1977 |
| 4037250 | Video switcher A closed circuit video surveillance system having a plurality of camera stations which may be connected by entirely random and independent selection to a plurality of monitors located at different viewing stations without degradation of video quality. Eac... | 07/19/1977 |
| 4001881 | Switched video recording system A video surveillance system which records the outputs of a plurality of video cameras in sequence normally operates in a time lapse mode so that video signals are recorded at spaced intervals of time to conserve video recording tape. When an emergency sit... | 01/04/1977 |
| 3971885 | Remote control system for passenger conveyors One monitor pushbuttons for each of two passenger conveyors is pushed to energize a relay through normally closed contacts of a similar relay and monitor pushbutton for the other passenger conveyor to monitor the associated passenger conveyor by a televis... | 07/27/1976 |