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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7831044 | Data processing device A data processing device of the invention has an ID creator unit (300) which adds ID information which is set by a CPU and the number of sectors, and outputs a result of the addition as ID information; a scramble SEED value table (103) which produces a... | 11/09/2010 |
| 7813505 | Sequence number synchronization for ciphering Sequence numbers for data packets to be transmitted using bearers having bearer identifiers in a communications system are generated, wherein the sequence numbers are generated independently for each of the bearers used for transmitting the data packets. Last genera... | 10/12/2010 |
| 7715559 | Crypto-synchronization for secure communication An apparatus (213) and corresponding methods (FIG. 7) to facilitate maintaining crypto synchronization while processing communication signals in a communication unit includes a vocoder (215) configured to convert input audio band signals to voco... | 05/11/2010 |
| 7583802 | Method for using a synchronous sampling design in a fixed-rate sampling mode The present application generally relates to apparatuses such as television signal processing apparatus that process radio frequency signals. More specifically, the present application is particularly useful in integrated circuits that must combine circuitry operati... | 09/01/2009 |
| 7545939 | Control 3 signal synthesis A method consistent with certain embodiments, of processing a received encrypted frame signal, wherein the received encrypted frame signal is indicative that a specific video frame is encrypted, involves receiving a video signal including the received encrypted fram... | 06/09/2009 |
| 7502472 | Encryption system and method for encrypting/decrypting sensitive data An encryption system (1) and a method for encrypting and decrypting sensitive data during a data interchange between at least two electronic appliances communicating with one another. The encryption system (1) has a data stream module (2) for pr... | 03/10/2009 |
| 7450718 | One-way synchronization of a two-way QKD system A method of synchronizing the operation of a two-way QKD system by sending a sync signal (SC) in only one direction, namely from one QKD station (ALICE) to the other QKD station (BOB). The one-way transmission greatly reduces the amount of light scattering as compar... | 11/11/2008 |
| 7430585 | Secure processing unit systems and methods A hardware Secure Processing Unit (SPU) is described that can perform both security functions and other information appliance functions using the same set of hardware resources. Because the additional hardware required to support security functions is a relatively s... | 09/30/2008 |
| 7376826 | Methods and apparatus for performing encryption and authentication Methods and apparatus are provided for a cryptography accelerator to efficiently perform authentication and encryption operations. A data sequence is received at a cryptography accelerator. An encrypted authentication code and an encrypted data sequence is provided ... | 05/20/2008 |
| 7356710 | Security message authentication control instruction A method, system and computer program product for computing a message authentication code for data in storage of a computing environment. An instruction specifies a unit of storage for which an authentication code is to be computed. An computing operation computes a... | 04/08/2008 |
| 7352863 | Copy protection for video signal using narrowed horizontal synchronization signals and amplitude modulation Enhancements to a video anticopying process that causes an abnormally low amplitude video signal to be recorded on a illegal copy. The enhancement in one version include a negative going waveform that appears to the television receiver or videotape recorder to be a ... | 04/01/2008 |
| 7324648 | Method and apparatus for secure key delivery for decrypting bulk digital content files at an unsecure site Rather than downloading each content document on demand from the publisher location to the user site, at the publisher location, each content document is encrypted and then multiple encrypted documents are assembled into a distribution archive that is itself encrypt... | 01/29/2008 |
| 7257843 | Command processing system by a management agent In a system where a management application sends commands to a remotely-located agent over a network, the agent maintains a security specification table defining the security level for each combination of the cipher and authentication algorithms of the communication... | 08/14/2007 |
| 7240366 | End-to-end authentication of session initiation protocol messages using certificates End-to-end authentication capability based on public-key certificates is combined with the Session Initiation Protocol (SIP) to allow a SIP node that receives a SIP request message to authenticate the sender of request. The SIP request message is sent with a digital... | 07/03/2007 |
| 7203580 | Electrical control unit and control system comprising plural electrical control units When ENG frames created in an ENG transceiver unit and ECT frames subjected to gateway processing in an ECT gateway processor are transmitted around the same time, a transmission mediating unit alternately transmits each of the ENG frames and the ECT frames. Therefo... | 04/10/2007 |
| 7020638 | System and method for flexible micropayment of low value electronic assets An electronic asset system mints a stick of electronic assets that can be spent by the user with multiple vendors. Assets sticks are issued anonymously or non-anonymously in a way without requiring dedication to a particular vendor, hence allowing the user to spend ... | 03/28/2006 |
| 6654885 | Method for authorization checking and configuration for carrying out the method The system checks whether authorization exists for at least two data processing devices to exchange data with one another. In the preferred embodiment, both data processing devices are of identical design. Check data are simultaneously produced, in respon... | 11/25/2003 |
| 6633982 | Method and process for managing ultra secure electronic distribution of digital movies to commercial exhibitors A method and system for managing electronic distribution of digital movies to commercial exhibitors at warp speed is made ultra secure by utilizing synchronized and concurrent digitally bifurcated data transmissions via both satellite up-links/downlinks a... | 10/14/2003 |
| 6363150 | Billing method for customers having IP telephony service with multiple levels of security A method for initiating a security and billing feature request at the beginning or during an active telephone call. The telephone subscriber can select one of a plurality of security levels that may be required to ensure privacy during a call. Since each ... | 03/26/2002 |
| 5644637 | Method and apparatus for recovering synchronizing signals in scrambled television pictures Suppressed synchronizing signals of a scrambled standard TV picture are recovered and the picture unscrambled by a method including the steps of: separating a video portion having suppressed sync signals from an audio portion of a TV picture at an interme... | 07/01/1997 |
| 5271043 | Device and method for the data transmission or storage optimizing the use of the pass-band A device and a method for the transmission or storage of data optimizing the use of the pass-band. Also, a method for transmission by phase modulation. In order to obtain high data throughput rates, the synchronization of a transmission clock with the rec... | 12/14/1993 |
| 5166976 | System and method for detection of a pulse within a video signal An audiovisual subscription system includes means for aperiodically inverting the lines of a transmitted video signal of a frame-by-frame basis and for decrypting encrypted PCM audio information which is transmitted along with the aperiodically inverted v... | 11/24/1992 |
| 5133009 | Method and apparatus for defeating the operation of an IC built-in noise inverter Apparatus for defeating a noise inverter disposed within the IC includes circuitry for changing the amplitude of the AGC signal applied to an AGC amplifier prior to the noise inverter so as to lower the level of the signal fed to the noise inverter. As a ... | 07/21/1992 |
| 5113440 | Universal decoder A microprocessor based decoder module for television video signals which have been encoded by suppressing sync pulses and/or inverting picture video. The decoder modules generates sync restoration gates and/or video inversion gates developed from timing s... | 05/12/1992 |
| 5113439 | CATV terminal and video apparatus having a noise eliminating circuit In a CATV terminal or a video apparatus such as a TV receiver, noises superimposed on a DC part of a horizontal synchronizing signal of a video signal are eliminated by integrating the DC part or replacing the DC part with an appropriate constant voltage.... | 05/12/1992 |
| 5029340 | CATV terminal unit having an improved descrambling operation A CATV terminal unit descrambling operation is disclosed wherein unrecovered video pulse portions, existing because a scrambling compression period is longer than a descrambling expansion period, are eliminated. The unrecovered pulse portions are eliminat... | 07/02/1991 |
| 4852164 | Pulse generating apparatus Disclosed is a pulse generating apparatus used in a CATV receiving adapter for descrambling the sync signal in the video signal. The pulse generating apparatus comprises a peak detector for sampling the peak in the detected video signal, a half level dete... | 07/25/1989 |
| 4827511 | Automatic gain control circuit for controlling gain of video signal in television receiver An intermediate-frequency automatic gain control circuit generates an IFAGC voltage for controlling the gain of an IF amplifier, in accordance with the level of the output signal of the IF amplifier. An RFAGC voltage provides a voltage for controlling the... | 05/02/1989 |
| 4790011 | Auto clamp for modulator for suppressed sync signals Suppressed sync pulses in a scrambled video signal are restored to their proper level in another video signal that is applied to a clamp circuit for controlling the DC level of an amplifier coupled between the head end encoder and the modulator in a CATV ... | 12/06/1988 |
| 4718086 | AGC in sound channel of system for processing a scrambled video signal A television receiver receives a scrambled television signal of the suppressed sync pulse type. The sync pulse is restored by a decoder which provides a sync restored video signal to video signal processing circuits of the receiver, and to automatic gain ... | 01/05/1988 |
| 4712237 | Method and apparatus for unscrambling sync-suppressed television signals A TV signal decoder including a pair of flipflops, for receiving vertical sync signals identified by a single vertical blanking pulse in field No. 1 and a pair of pulses in field No. 2, includes a time delay circuit for operating the second flipflop only ... | 12/08/1987 |
| 4706285 | Automatic gain control of a scrambled video signal A television receiver receives a scrambled television signal of the suppressed sync pulse type. The sync pulse is restored by a decoder which provides a sync restored video signal to video signal processing circuits of the receiver, and to automatic gain ... | 11/10/1987 |
| 4703354 | Non-linear sync signal processing circuit A non-linear sync signal processor for deriving a sync-like signal from video information with suppressed sync signals includes a differentiating circuit for deriving pulse potentials from the leading and trailing edges of suppressed sync signals, a pair ... | 10/27/1987 |
| 4688097 | D.C.-coupled video clamping circuit A d.c.-coupled video clamping circuit is disclosed for operation with normal video signals and sync suppressed scrambled video signals. For receiving normal video signals, a feedback path detects variations in sync tip level from a reference level and app... | 08/18/1987 |
| 4667232 | Synchronizing pulse restoration circuit A decoder for a television signal encrypted with randomly inverted video and randomly suppressed sync pulses includes inverting and noninverting amplifiers for inverting the inverted video and a sync pulse restoration circuit for restoring suppressed sync... | 05/19/1987 |
| 4571615 | Timing generator for sync suppressed television signals A timing signal generator for recovering timing signals in scrambled video signals in which the synchronizing signals are suppressed includes a tuned detector responsive to the color burst signal contained in the back porch of the suppressed horizontal bl... | 02/18/1986 |
| 4562465 | Adaptive video descrambling system A television signal is scrambled by suppressing horizontal and vertical synchronizing signals while leaving unsuppressed a reference level during a selected reference interval. Descrambling of the received scrambled signal is achieved by comparing the uns... | 12/31/1985 |
| 4558360 | Decoder lockout defeat circuit A suppressed sync television decoder includes a phase locked horizontal oscillator for controlling operation of a suppressed sync detector which supplies a circuit for restoring suppressed sync in a television signal. The restored sync is coupled to the p... | 12/10/1985 |
| 4554581 | STV Decoder with improved data signal recognition capability An addressable subscription television decoder includes an input stage including an IF amplifier for converting a scrambled RF television signal to a composite baseband video signal. The baseband video signal comprises either a nominal sync component or a... | 11/19/1985 |
| 4511919 | Method and apparatus for scrambling and descrambling video signals in a multichannel system A system for scrambling a video signal that includes a vertical blanking interval of equalizing pulses spaced at half line intervals followed by serrations which are, in turn, followed by equalizing pulses spaced at half-line intervals and thereafter by h... | 04/16/1985 |
