Bizarre Patents
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 |
| 7243261 | Supply control apparatus and power supply control method In a power supply control apparatus for controlling turn-on/turn-off of power of a main power supply to a load via a switch section, a drive signal producing section produces a drive signal for controlling ON/OFF operations of the switch section, based on an activat... | 07/10/2007 |
| 7235935 | Passive compensation of focus tracking utilizing winding and capacitor A video display apparatus includes a cathode ray tube and a high voltage transformer. The high voltage transformer incorporates a high voltage winding for producing an anode voltage in the cathode ray tube. The high voltage winding has a tap which provides a focus v... | 06/26/2007 |
| 7111099 | Information handling system with improved bus system An information handling system comprises a first bus system comprising a plurality of connection pins wherein at least one pin is unused, at least one control line for controlling or communication with devices of the system, a controllable coupling/de-coupling unit ... | 09/19/2006 |
| 7093141 | Power aware adaptive polling A method for adapting the periodicity of polling for pending service requests, by polling system devices for pending service requests, recording whether or not there was a pending service request and, based on accumulated data, determining whether or not the system ... | 08/15/2006 |
| 7054125 | X-ray protector The present X-ray protector requires no raising of a voltage to be impressed to a cathode ray tube (CRT) and no complicated control procedure for testing the X-ray protector's operation. The voltage applied to the CRT is detected by a detection winding of a flyback ... | 05/30/2006 |
| 7006161 | Bus operation with integrated circuits in an unpowered state A circuit configuration applicable to systems such as consumer electronics devices enables communication between components such as integrated circuits connected to the bus. According to an embodiment, the RUN power supplies are turned to an OFF state in response to... | 02/28/2006 |
| 7000127 | Power saving circuit for display system An information handling system comprises a data processing unit providing at least one control signal and a constant voltage signal, a monitor coupled with the data processing unit, wherein the monitor comprises a power saving circuitry receiving the at least one co... | 02/14/2006 |
| 6970203 | Automatic cut-off system The automatic cut-off system includes a video data processing circuit, a cut-off control circuit, a drive circuit, and a level control section. The video data processing circuit adds a cut-off reference pulse having a predetermined level to primary-color signals of ... | 11/29/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6897900 | Display apparatus comprising a cathode ray tube (CRT) A display apparatus, for instance a television receiver, comprises a cathode ray tube, a first circuit for providing a high voltage to the cathode and a second circuit receiving a gross signal and providing on at least an output at least a luminance signal controlli... | 05/24/2005 |
| 6847404 | Video display protection circuit An apparatus and a method for protecting a video display device, having an anode and a cathode, against excessive beam current conditions. In particular, the present invention protects the video display device against zero-biasing of the device, wherein the cathode ... | 01/25/2005 |
| 6563495 | Automatic screen saver A method and system for implementing a screen saver function is described. A peak value of a characteristic such as beam current magnitude of a video signal being processed is determined. An average value of the same characteristic of the video signal is ... | 05/13/2003 |
| 6498630 | X-ray protection circuit An x-ray protection circuit for a video processor, to disable a horizontal output pulse when a voltage level on the x-ray input exceeds a reference voltage. The x-ray protection circuit comprises a comparator and a bistable device, and incorporates a rese... | 12/24/2002 |
| 6473078 | Method and device for power consumption management of an integrated display unit A method and a device for power management regarding an integrated display unit including a video display and at least one peripheral device, wherein the video display uses horizontal and vertical sync signals for the synchronization of the display images... | 10/29/2002 |
| 6396222 | Cathode ray tube protection system A cathode ray tube protection system for protecting a cathode ray tube from maintenance of high voltage residual occurring when power is turned on or off or due to abnormal operation in a projection-type television is provided. The cathode ray tube protec... | 05/28/2002 |
| 6313878 | Method and structure for providing an automatic hardware-implemented screen-saver function to a display product A hardware-implemented screen-saver prevents burn-in of an image displayed on a screen of a display product by automatically reducing the video gain, and therefore the contrast, of the image when the portion of the image within a two-dimensional detection... | 11/06/2001 |
| 6211908 | Television apparatus with supplementary kinescope blanking and spot burn protection circuitry Supplementary grid blanking and spot burn protection are provided in a receiver/monitor (10) by a grid bias control circuit (50) including a blanking signal generator (60) that produces a blanking output signal (S1) devoid of any picture representative co... | 04/03/2001 |
| 6034729 | Monitor protection system A monitor protection system comprise a display power management signaling (DPMS) operating unit for performing a predetermined power control; a horizontal deflection detecting circuit for detecting a horizontal deflection signal from a horizontal deflecti... | 03/07/2000 |
| 5903111 | CRT protective circuit A CRT protective circuit capable of eliminating spots during a mode conversion operation includes a microprocessor for generating a mute signal according to externally-provided horizontal and vertical sync signals, and a high voltage generating section fo... | 05/11/1999 |
| 5856730 | Scan loss detector A display system includes a kinescope. A horizontal scan detector is coupled to a source of a horizontal scan current signal and detects a loss of horizontal scanning. In addition, a vertical scan detector is coupled to a source of a vertical scan current... | 01/05/1999 |
| 5714843 | CRT spot killer circuit responsive to loss of vertical synchronizing signal An improved spot elimination circuit for a monitor capable of Display Power Management Signaling function prevents an occurrence of a focused beam spot from the phosphor screen of a cathode ray tube in the monitor by suddenly dropping the potential level ... | 02/03/1998 |
| 5671017 | Display unit including circuit for controlling connection to a power source based on presence or absence of a sync signal A display unit comprises a video amplifying circuit for amplifying a video signal and outputting the amplified video signal to a cathode-ray tube, a sync separation circuit, a deflection circuit, a high-voltage circuit, a synchronizing signal control circ... | 09/23/1997 |
| 5671016 | High voltage discharge circuit for CRT In a high voltage discharge circuit for a CRT, a power-off detecting circuit detects turning off of a power switch and outputs a power-off detection signal, to activate a luminance increasing section to increase the luminance of a video signal being outpu... | 09/23/1997 |
| 5493336 | Picture tube screen device having waiting state function For preserving and, thus, for extending the useful life of a picture tube of a picture tube screen device having a waiting state function. The filament current of the picture tube in the waiting state of the picture tube screen device is reduced by at lea... | 02/20/1996 |
| 5327172 | Polling for detection of power supply or other failures of a digital circuit A television receiver includes a standby power supply, and an operational or run mode power supply. A microprocessor coupled to the standby power supply controls switching between a run mode, where the standby and run mode power supplies are operative, an... | 07/05/1994 |
| 5268615 | Device for the [servo-] control of the cut-off voltage of a cathode-ray tube by measurement of luminance The disclosure relates to cathode-ray tubes that have to be used at a low level of luminance. A zone of the screen of the tube is covered with a luminophore of high sensitivity and is associated with a luminance sensor by an optic fiber that measures the ... | 12/07/1993 |
| 5184225 | Television receiver with spot burn protection and after-glow suppression A television receiver includes a high voltage kinescope driver amplifier having an input for receiving a video signal and a further input for receiving a character input signal from a low voltage character amplifier. When switching from a "run" mode to a ... | 02/02/1993 |
| 5111122 | Video display high voltage protection circuit A television receiver high voltage generator includes a high voltage transformer for developing an ultor accelerating potential at an ultor output terminal. A flyback voltage produced in a winding of the transformer is rectified to produce an ultor accele... | 05/05/1992 |
| 4855864 | High voltage shutdown circuit with brightness tracking A high voltage shutdown circuit that tracks with brightness changes in the CRT. An ABL (automatic brightness level) signal is applied to adjust the conduction point of a latch transistor that is connected in a trigger arrangement with a zener diode and dr... | 08/08/1989 |
| 4797771 | Television fault detection and protection apparatus A phase-lock-loop circuit of a deflection apparatus generates a first signal at the horizontal frequency during normal operation. The first signal is coupled to a phase-control-loop circuit that maintains the deflection current timing in phase with the fi... | 01/10/1989 |
| 4754206 | Shutdown circuit for CRT high voltage system A shutdown circuit for a CRT deflection and high voltage system includes a magnetic core having a one turn sensing coil in series with the emitter-collector of the horizontal output transistor that supplies the CRT deflection means and high voltage genera... | 06/28/1988 |
| 4749919 | Shutdown circuit for video monitor In a horizontal drive circuit for a video display, means are provided for sensing the horizontal output pulse used to energize the high voltage sweep transformer and, in turn, the electrodes and deflection coils in a cathode ray tube (CRT). Horizontal out... | 06/07/1988 |
| 4731655 | Protection circuit for improper line voltage A video display apparatus includes a protection circuit for preventing damage due to the application of excessively high line voltage. The video display apparatus includes a start-up circuit that provides power to initiate operation of a switching voltage... | 03/15/1988 |
| 4562508 | Regulator fault protection circuit A protection circuit for a video display apparatus causes shutdown to occur at substantially the same high voltage level for all fault conditions. The video display apparatus incorporates an SCR regulator and a high voltage transformer tuned to the third ... | 12/31/1985 |
| 4544954 | Television receiver with high voltage protection circuit A high voltage generator in a television receiver responds to horizontal deflection rate signals from a horizontal oscillator which normally responds to a horizontal sync signal derived from the television signal. A sync validity detector provides a contr... | 10/01/1985 |
| 4484229 | Automatic kinescope bias control system with selectively disabled signal processor A system for automatically controlling the bias of a kinescope in a television receiver comprises an input sampling amplifier, and an input clamping network including a clamp capacitor. A reference voltage developed on the clamp capacitor is applied to th... | 11/20/1984 |
| 4435731 | Television receiver disabling circuit A television receiver incorporates a common mechanism for disabling the receiver via the high voltage or fault protection circuit and via the remote control during normal operation. In one embodiment, the protection circuit is energized by the remote cont... | 03/06/1984 |
| 4414578 | Flyback transformer A flyback transformer comprising a low voltage coil wound on a first bobbin, a high voltage coil wound on a second bobbin, and a voltage detecting coil wound on a third bobbin. The first bobbin is formed of a hollow portion, in which a core is inserted. T... | 11/08/1983 |
| 4400653 | Resonant scan deflection circuit with flyback voltage limiting This invention is designed to protect a resonant scan deflection transistor in a deflection circuit from extremely high flyback voltage pulses. The deflection transistor is protected against high flyback voltage pulses even though: the B+ voltage on the d... | 08/23/1983 |
| 4389676 | Television receiver high voltage protection circuit In a television receiver horizontal deflection circuit, the deflection circuit oscillator includes an LC resonant tank network that is excited into sustained oscillation to develop an oscillator alternating output signal. A high voltage generator is respo... | 06/21/1983 |
