| Patent Number |
Title Of Patent |
Date Issued |
| 7392272 |
Calculation device and calculation method |
June 24, 2008 |
| An arithmetic unit and an arithmetic method that output no information necessary for decryption or encryption to the outside and can perform a self-protecting function when an illegal attack is made. A command monitoring part (44) monitors input command sequences. In a first sequence |
| 7382699 |
Recording device, playback device, and contents transmission method |
June 3, 2008 |
| An extracting circuit for extracting meta information from information forming contents is provided. The meta information extracted by the extracting circuit is recorded in a recording medium together with the contents and is used as management information. With this configuration, a |
| 7379103 |
Integrated fading and mixing for a picture processing apparatus |
May 27, 2008 |
| The present invention provides a picture synthesizing apparatus comprising a first synthesis means for synthesizing base picture data with mix picture data to be synthesized with said base picture data; a single-color-picture generating means for generating a piece of single-color pi |
| 7350238 |
Data transfer system, data transfer apparatus, data-recording apparatus, data management method |
March 25, 2008 |
| A data transfer system provided by the present invention is capable of executing proper management of content transfers with a high degree of efficiency. In a data transfer apparatus employing a primary recording medium, rights to transfer contents stored in a primary recording medium |
| 7299499 |
Data transfer system, data transfer apparatus, data recording apparatus, data transfer method, a |
November 20, 2007 |
| A SDMI-compliant portable medium and a non-SDMI-compliant portable medium can be selectively connected to a licensed compliant module. When transferring copyright-protected encrypted content data from the licensed compliant module, whether the destination of transfer is the SDMI-comp |
| 7228568 |
Data recording apparatus, data recording method, and data transfer system |
June 5, 2007 |
| The present invention is intended to significantly reduce the content data processing and transfer times by skipping root key checking processing, when transmitting a plurality of pieces of encrypted content data stored in a primary recording medium to a secondary recording medium along |
| 7191346 |
Data transfer system, data transfer apparatus, data recording apparatus, edit controlling method |
March 13, 2007 |
| Disclosed is a method for causing either encrypted first content data or unencrypted second content data, to be selectively recorded to a storage medium in a data recording apparatus. When the data recording apparatus is to return the encrypted first content data to the data transfer |
| 7164767 |
Data transfer system, data transfer apparatus, data recording apparatus, and data transfer metho |
January 16, 2007 |
| It is an object to provide an efficient transfer of content data. In a case of transferring the content data from a data transfer device on a primary recording medium side to a data recording device to record the content data in a secondary recording medium, a data compression system |
| 6959366 |
Device control method, data transfer apparatus and recording medium |
October 25, 2005 |
| A data transfer apparatus for simplifying a module structure for controlling a connected data recording apparatus and improving the processing efficiency. A control code issued by a common application module having a main purpose of check-out/check-in is made a control code correspon |
| 6798455 |
Image pickup apparatus having a common circuit portion for autofocusing and outline emphazising |
September 28, 2004 |
| A luminance signal is extracted from an image pickup signal photographed by a solid state image pickup device and at least a high frequency component in the extracted luminance signal is extracted by a filter. A gain of at least the high frequency component in the luminance signal extrac |
| 6754272 |
Picture signal processing method and apparatus, picture signal recording method and apparatus an |
June 22, 2004 |
| A picture signal processing method and apparatus, a picture signal recording method and apparatus and a recording medium, wherein an interval still picture is realized. To this end, a controller functionally performs the control of reading out from a user data region provided in a video |
| 6700609 |
Clamping device and clamping method |
March 2, 2004 |
| An optical black portion in an output of a CCD image pickup device is extracted and a clamp level of each line is obtained by an integrating and averaging circuit. A difference value of the clamp levels between the front and rear lines and an absolute value of the difference are calc |
| 6388675 |
Image processing apparatus and image processing method |
May 14, 2002 |
| Picture data composed of a color palette storage address and palette number data is read from memory. On the basis of the color palette storage address, a color palette is taken from among one or more color palettes stored in the memory. The picture data is colored according to the e |
| 6356709 |
Device, method, and medium for recording still picture and animation |
March 12, 2002 |
| Picture signals entering a picture input device 4 are compressed by a picture compression device 5 for storing the resulting compressed picture data in a secondary storage device 7 via a primary storage device 6. The picture compression system is switched for recording a moving picture a |
| 5461378 |
Digital signal decoding apparatus |
October 24, 1995 |
| There is provided a decoding apparatus adapted for decoding a coded signal from a coding apparatus adapted to divide an input, digital signal into signals in frequency bands by using at least one filter to divide respective filter outputs into blocks every plural words to carry out a |
| 5381143 |
Digital signal coding/decoding apparatus, digital signal coding apparatus, and digital signal de |
January 10, 1995 |
| A digital signal processing system comprising a compressor, an expander and a scale-down circuit. The compressor includes non-block frequency analyzer that frequency analyzes the digital input digital signal, without dividing it into block, to provide a frequency range signal in each of |
| 5041830 |
Band compression circuit |
August 20, 1991 |
| A band compression device for digital signals in which input digital data are subjected to floating to realize bit reduction and in which a high speed compressing operation is made possible by shifting the input digital data by a number of bits equal to about one half the maximum shift |
| 4649372 |
Analogue to digital converter |
March 10, 1987 |
| An analogue to digital converter comprises first and second switches (21:26) for sampling alternately first and second analogue signals, respectively, first and second integrators (22:27) which are supplied with the first and second analogue signals sampled alternately by the first and |
| 4573039 |
Digital to analog converter |
February 25, 1986 |
| A digital to analog converter for converting alternately supplied first and second channel digital data words to first and second channel analog output signals comprises a current producing circuit for selectively producing currents corresponding to the digital data words, respectively; |
| 4458208 |
Pulse width modulated signal amplifier |
July 3, 1984 |
| A pulse width modulated signal amplifier includes a power source, an integrator supplied with an input signal to be pulse-width-modulated and a carrier signal from a carrier signal oscillator, a comparator connected to the output of the integrator for producing a pulse width modulated si |
