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 |
| 7218753 | Template for watermark decoder synchronization Systems and methods are provided through which a template in the spatial domain is generated and combined with an image. Later, the combined image can be decoded to determine the extent of scaling and or shifting or the combined image. The template comprises at leas... | 05/15/2007 |
| 7197164 | Time-varying video watermark A digital watermark embedder reduces a watermark signal as a function of time varying properties of video such that a watermark that would otherwise be static over frames is selectively reduced to make it imperceptible. The method computes a watermark signal corresp... | 03/27/2007 |
| 7136485 | Packetizing devices for scalable data streaming A device and method thereof for packetizing scalably encoded data. The device can include a receiver adapted to receive a stream of data from an encoding device, wherein at least a first portion of the data is scalably encoded. The device can also include a packetiz... | 11/14/2006 |
| 7079267 | Image processing apparatus, method, computer program and recording medium Provided are an image processing apparatus, method, computer program and recording medium capable of embedding a large quantity of additional information in image information upon dispersing the information in such a manner that it will not be noticeable visually. A... | 07/18/2006 |
| 7072470 | Video scramble/descramble apparatus A video scramble apparatus has a scrambler for scrambling an input video signal, and a video encoder for performing interframe predictive coding of the video signal after scrambling, and the scrambler selects a frame, which is not used as a reference frame for inter... | 07/04/2006 |
| 7062048 | Apparatus and method for single encryption with multiple authorization of distributed content data A content data distribution system uses a single key and multiple program authorization to transmit a plurality of programs in multiplexed data packets such as those used in Digital Video Broadcasting. A receiver has a memory, a descrambler and a processor. Authoriz... | 06/13/2006 |
| 7006655 | Methods, apparatus and systems for an electronic watermark having resistance to scaling The present invention provides methods, apparatus and systems for embedding and detecting an electronic watermark without requiring signals for geometric compensation. A particular embodiment uses a periodic pattern with repetition as an embedded pattern itself, whi... | 02/28/2006 |
| 6975745 | Synchronizing watermark detectors in geometrically distorted signals A method of synchronizing a digital watermark detector divides a watermarked signal into blocks, each block including a portion of a watermark signal. For each block, the method computes a local correlation space comprising a neighborhood of correlation values by co... | 12/13/2005 |
| 6950520 | Method and apparatus for carrying data in a video signal so that the data is not recorded A method and apparatus for modifying a video signal to allow it to carry encoded data which is detectable at a suitably compliant receiver but is not recorded by a conventional video recorder. One application is to carry a descrambling key to prevent useful recordin... | 09/27/2005 |
| 6920190 | System and method for inverting automatic frequency control (AFC) A system and method for inverting automatic frequency control applied to a reference signal used to process an input signal is disclosed. When receiving an input communication signal, a receiver controls the frequency of the reference signal to compensate for freque... | 07/19/2005 |
| 6870931 | Method and system for embedding message data in a digital image sequence A method for embedding message data in a digital image sequence having two or more frames, includes the steps of: providing a dispersed message image representative of the message data; and adding spatially shifted versions of the dispersed message image to successi... | 03/22/2005 |
| 6519340 | Method and apparatus for encryption using partial information A method and apparatus of encrypting optical images using binarization or phase only information is presented with a number of ways to secure the image also being provided. An image to be encrypted is first multiplied by a random phase function. The Fouri... | 02/11/2003 |
| 6175630 | Method and apparatus for level and phase control of a plurality of RF signals A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 01/16/2001 |
| 6148320 | Multichannel digital signal generation method and apparatus A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 11/14/2000 |
| 5864621 | Broadband television scrambling and descrambling system A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 01/26/1999 |
| 5754650 | Simultaneous multichannel television access control system and method A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 05/19/1998 |
| 5430799 | Multichannel television signal scrambling and descrambling system and method A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in ... | 07/04/1995 |
| 4802213 | Sound masking in phase reversal TV scrambling system A TV scrambling system includes means for scrambling a TV signal by phase reversing the carrier at a horizontal rate. A sound masking circuit includes a phase locked loop which operates at five times the horizontal frequency. The program sound signal is u... | 01/31/1989 |
| 4790010 | Enhanced scrambling method and system for TV signals A television signal transmission system includes a cable head-end having a scrambler for scrambling a television signal and a subscriber decoder having an unscrambler for unscrambling the television signal in response to data signals from the transmitter.... | 12/06/1988 |
| 4706284 | Television signal data transmission system A television signal data transmission system comprises means for transmitting a television signal in which the phase of the RF carrier is modified during a periodically recurring interval by a SAW filter having a varying phase response between the video a... | 11/10/1987 |
| 4706283 | Television signal scrambling system A television signal transmission system comprises a headend including a pair of SAW filters having equal delays, one filter having amplitude and normalized phase versus frequency response characteristics continuously varying between about -6 db and 180 de... | 11/10/1987 |
| 4598313 | Television signal scrambling system An encoded television signal is transmitted in the form of an inverted video component amplitude modulating an RF carrier to a selected percentage of modulation and characterized by inverted reference black and white level components. At the receiver, a d... | 07/01/1986 |
| 4467353 | Television signal scrambling system and method A system for encoding or scrambling a television signal and for subsequently decoding or unscrambling the signal for presentation on the viewing screen of a television receiver. Encoding is achieved by suppressing the amplitude and changing the phase of t... | 08/21/1984 |
| 4253114 | High security subscription television system employing real time control of subscriber's program reception A high security subscription television system which includes the feature of dynamic scrambling and descrambling of cable-connected television signals in response to real-time coded control signals. The system also has the ability to precisely tune the fr... | 02/24/1981 |
| 4034402 | Video scrambling system A system for scrambling and descrambling the video portion of a television signal. At the transmitting end, the video is scrambled by shifting the phase angle of the carrier relative to that of the sidebands a constant amount. At each receiving site, the ... | 07/05/1977 |
| 4002825 | System for encoding and decoding amplitude modulated signals A system for encoding or scrambling an amplitude modulated signal, such as the video component of a standard television signal, and for subsequently decoding or unscrambling the signal so as to restore the original message content. Encoding is achieved by... | 01/11/1977 |
| 3999005 | Secure transmission of AM or FM signals A method and system for scrambling amplitude-modulated or frequency-modulated signals at a transmitter and descrambling the scrambled signals at a receiver. The scrambling is effected at the transmitter by shifting the phase of only the carrier component ... | 12/21/1976 |
| 3996418 | Scrambler and decoder for secure television system A scrambler for a television system alternately inverts the phase of the carrier which is modulated by the television signal. A binary coding signal controls the manner of the carrier-phase inversion. Phase inversion is obtained by combining the modulated... | 12/07/1976 |
| 3982062 | Video encription system Encription apparatus for restricting distribution of private (e.g., premium) video programs propagated by a CATV cable network, radiation or the like employs picture carrier isolating, phase shifting and linear combining structure for rendering the transm... | 09/21/1976 |
| 3936593 | Scrambler and decoder for a television signal An improved scrambler and decoder for a television signal is described wherein a television carrier is inverted in phase and subjected to low frequency amplitude modulation to obtain enhanced channel security. The carrier amplitude modulation is obtained ... | 02/03/1976 |
