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Class 369/91 - Having distinct electrical channels


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter having a separate electrical circuit for
No. of patents: 13
Last issue date: 03/11/2008


NumberTitleIssue Date
7343103Apparatus and method for detecting beam power in optical drive
An apparatus and method for detecting beam power generated by a plurality of light sources, using a single device. The apparatus includes a light-receiving unit that receives the beam power generated by one of a plurality of light sources, and an amplifying unit tha...
03/11/2008
7289633System and method for integral transference of acoustical events
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio...
10/30/2007
7085387Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio...
08/01/2006
7051348Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer
The invention provides an optical information recording medium, for use with a laser irradiating a laser beam having a wavelength of 380 to 500 nm through an objective lens with a numerical aperture of at least 0.7, the optical information recording medium comprisin...
05/23/2006
6967452Operation apparatus with auto correction of position data of electric faders
An operation apparatus is designed for use with a system to deal with operation information of the system. In the operation apparatus, an operation piece is manually operable to move in a linear or circular direction to a position indicative of the operation informa...
11/22/2005
6917575Audio signal processor
An audio signal processor performs a signal processing on the first audio signal and the second audio signal in correspondence with an operation to produce an output. The processor comprises and operation device, a signal processing device and a control device. The ...
07/12/2005
6061321Deck lock mechanism and library apparatus
The present invention automatically limits the number of decks drawable from a large number of decks within one locker. For this purpose, the decks are classified into sets each comprising two decks adjacent to each other. A deck lock mechanism according ...
05/09/2000
5774428Method and apparatus for magneto-optical recording or reproducing using modulated magnetic field
First, a recording magnetic field is generated by a magnetic head using a coil drive current a1, and a first data signal is recorded on a groove of a recording layer of a magneto-optical disk. Thereafter, similarly, a second data signal is reco...
06/30/1998
4455634Audio/video quality monitoring system
Method and means for evaluating the quality of audio and/or video transfer characteristics of a device upon which, or through which, audio and/or video information is contained, or passes, respectively. Both method and apparatus concern the evaluation of ...
06/19/1984
4320486Transferring information signals from a first to a second recording medium
A method and apparatus are disclosed for achieving improved efficiency and economy in the transfer of information signals from a first to a second recording medium utilizing an optical storage medium as an intermediate transfer medium. Information signals...
03/16/1982
4107463Stereophonic noise suppression system
Signal components of one stereo channel are transposed into the other channel dynamically as a function of stereo signal characteristics to cancel noise components. Thus, at low amplitudes monophonic output is produced at reduced noise levels and at highe...
08/15/1978
4087634Dual sound track sensor and calibration strip therefor
A sensing device for use with a motion picture projector for projecting a motion picture having a sound track with two or more sound channels, said projector having a light source for illuminating said sound track, said sensing device having a base or fix...
05/02/1978
4076969Impulse noise reduction system
This invention describes a system and method for detecting unwanted pop and click sound signals caused by mechanical defects on a recording medium. A pair of wholly or partially correlated signals is generated from the recorded sound information by a conv...
02/28/1978
 
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