Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7343017 | System for playback of pre-encoded signals through a parametric loudspeaker system A method and system for generating parametric output directly from a prerecorded and error corrected parametric signal for playback in a parametric loudspeaker system. The method includes the step of retrieving a pre-encoded audio signal from an electronically reada... | 03/11/2008 |
| 7289638 | Electroacoustic microphone An electroacoustic capsule or electroacoustic transducer for an electroacoustic device has electrostrictive or magnetostrictive elements connected to a controllable power supply. Dimensional changes of the electrostrictive or magnetostrictive elements cause changes ... | 10/30/2007 |
| 7274430 | Optical arrangement and projection exposure system for microlithography with passive thermal compensation An optical arrangement with a light source includes an optical element that is fastened in a mount. The light source emits radiation and the optical element is acted on thereby such that the heat that results lacks symmetry corresponding to the shape of the optical ... | 09/25/2007 |
| 7221625 | Multi-channel acoustic apparatus with DVD reproduction function In a multi-channel acoustic apparatus with a DVD reproduction function, comprising a DVD reproduction control unit for controlling the reproduction of a DVD, and a system control unit for controlling the overall acoustic apparatus and controlling the reproduction of... | 05/22/2007 |
| 7113351 | Systems and methods for actuating lens assemblies Systems and methods for actuating lens assemblies (e.g., for purposes of zoom and/or focus lens operations) that may be implemented, for example, in any camera lens or other lens application that employs one or more actuatable lenses. ... | 09/26/2006 |
| 6965727 | Information record medium and apparatus for reproducing the same An information record medium (1) is provided with: an audio information recording area on which a plurality of audio information (210) which are different in recording method are recorded; and a control information recording area on which control infor... | 11/15/2005 |
| 6097558 | Digital audio signal transmission apparatus with data blocks of varying sizes Digital audio signal transmission is provided for digitally processing, for transmission in a digital VCR format, audio signals from a plurality of channels into a digitized audio data segmented into blocks having a data size, each block reserved for audi... | 08/01/2000 |
| 5815730 | Method and system for generating multi-index audio data including a header indicating data quantity, starting position information of an index, audio data, and at least one index An audio data recording/reproducing method and apparatus for storing an index containing additional information and position information together with audio data in order to more easily manage the audio data. During reproduction of the audio data, using t... | 09/29/1998 |
| 5347499 | Circuit for selectively setting a monaural playback channel in a stereo audio apparatus A circuit selectively sets a left/right monaural playback channel in a digitally signal-processed stereo audio apparatus. The circuit includes a channel selecting signal generator for generating a channel selecting signal to select the channel correspondi... | 09/13/1994 |
| 5323273 | Audio signal recording and playback apparatus of magnetic recording and playback apparatus An audio signal recording and playback apparatus of a magnetic recording and playback apparatus operates to record and play back multiple audio signals together with a video signal in first and second recording areas formed in correspondence to audio sign... | 06/21/1994 |
| 5276669 | Synchronous recording and playback of left and right stereo channels on separate digital discs A disc recording device for recording left channel signals and right channel signals having a super audio-frequency signal range up to 40 kHz on a left master disc and a right master disc respectively comprises a left disc recording control portion, a rig... | 01/04/1994 |
| 5195075 | Output level controlling apparatus An output level controlling apparatus comprises: a signal attenuating device for attenuating the reproduced output level of a reading/recording signal read from a record medium; a signal level deciding device for comparing the reproduced output level of t... | 03/16/1993 |
| 5189562 | System and method for combining language translation with original audio on video or film sound track An original film or video sound track and a translation of this sound track into another language are separately recorded and a predetermined positioning timewise relative to the original sound track introduced to the output of the translation to make for... | 02/23/1993 |
| 4965674 | Recording and reproducing system with selective matrix conversion An audio signal recording system comprising a first apparatus for generating a sum signal of left and right signals of a stereophonic audio signal and a difference signal of the left and right signals, and a second apparatus for recording on a recording m... | 10/23/1990 |
| 4953212 | Auto voice changing apparatus An auto voice changing apparatus receives music from a stereo or multi-sound, digital or analog recording and either plays the recorded music as is, or uses the recorded music as instrumental accompaniment by eliminating the vocal sounds from the reproduc... | 08/28/1990 |
| 4863819 | Read-only optical data card A data card comprising a self-supporting, wallet size plastic card base upon which is disposed a film substrate layer, a highly reflective layer and an optical storage layer which is a selected photosensitive layer which has been exposed at an actinic wav... | 09/05/1989 |
| 4847816 | Audio information reproducing apparatus An information reproducing apparatus which enables regulation of sound volume levels of signals reproduced from a multiple-audio recording medium in which one of a plurality of audio information signals may be reproduced in conjunction with video informat... | 07/11/1989 |
| 4748669 | Stereo enhancement system A stereo enhancement system (300) is disclosed which provides an enhanced wider stereo image and a wider listening area, and further provides perspective correction for achieving correct stereo sound perspective with speakers at different locations and wi... | 05/31/1988 |
| 4603099 | Method for recording motion picture images and laser written data A method for recording laser written information on motion picture film includes creating a visual image on the film photographically. A laser records sound information on a direct-read-after-write optical storage strip on an edge of the film. In one embo... | 07/29/1986 |
| 4577305 | Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore Discrete four-channel photographic (optical) motion picture sound-tracks are disclosed that are compatible with existing monophonic and stereo variable area (SVA) theatre projection equipment. Six track and four track embodiments are disclosed. In the fou... | 03/18/1986 |
| 4455634 | Audio/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 |
| 4399329 | Stereophonic bilingual signal processor The format of two audio input signals, which may be of either matrixed form wherein each signal comprises two common components or of unmatrixed form wherein each signal comprises a respective independent component, is determined by applying the signals t... | 08/16/1983 |
| 4393489 | Audio processor for single, channel, matrixed two-channel and un-matrixed two-channel signals Audio signals recovered from a video disc record are applied to a dual mode decoder matrix via track and hold circuits which mute the audio signals in response to defect indicating signals and player mode control signals. A selected one of the mode contro... | 07/12/1983 |
| 4388654 | Video disc player with selectively enabled audio signal expander circuitry A video disc player designed to play video disc records having either non compressed monophonic wide band audio signals or video disc records having compressed stereophonic limited band audio signals recorded thereon. The player includes expander circuitr... | 06/14/1983 |
| 4323934 | Dropout compensation circuitry Apparatus for compensating for the absence of signals among a plurality of correlated signals, which occur simultaneously and which have carrier components, is disclosed herein. Such apparatus comprises detector means responsive to the absence of the carr... | 04/06/1982 |
| 4309570 | Dimensional sound recording and apparatus and method for producing the same A sound recording having right and left information channels to drive right and left speakers, respectively. The right information channel has a left main stereo component having a pattern corresponding and similar to a left stereo input signal. In additi... | 01/05/1982 |
| 4309722 | Video disc player noise reduction circuit In a video disc player intermodulation distortion can occur during signal recovery and is manifested as the modulated sound carrier appearing in the baseband video. To reduce such distortion, a portion of the signal recovered from the disc record is filte... | 01/05/1982 |
| 4208634 | Circuit for suppressing noise caused by scratches on a phonograph record A circuit for suppressing pulse-shaped interferences in an audio signal caused by scratches on a phonograph disc, comprising a signal processing section connected between an audio frequency input and an audio frequency output, comprising a noise suppresso... | 06/17/1980 |
| 4202550 | Stereo lead wires and arrangements thereof for connecting pick-up device to amplifier Improved lead wires for use with a stereo record playback system where at least a pair of left channel wires and at least a pair of right channel wires extend from a pick-up device through a tone arm to a stereo amplifier, the lead wires including a groun... | 05/13/1980 |
| 4178489 | Suspension system for disc recording cutter head The disc recording cutter head is carried on the inner end of an arm which is pivoted intermediate its ends. A counterbalance weight on the outer end of the arm exactly counterbalances the cutter head. A direct current torque motor mounted on the pivot ax... | 12/11/1979 |
| 4176252 | Multi-dimensional audio projector Apparatus for projecting movement of audio signals employs a plurality of variable-gain amplifier stages, the gain thereof being controlled by the states of an associated plurality of counters and decoders, to provide a spatial distribution of audio signa... | 11/27/1979 |
| 4074084 | Method and apparatus for receiving sound intended for stereophonic reproduction A method for receiving sound intended for stereophonic reproduction and an apparatus for applying this method. The sound is received by means of two or more microphone pairs of the dummy head type. The microphone pairs are coupled so that signals collecte... | 02/14/1978 |
| 4061889 | Film with light sound track carrying the stereophonic sound information; ribbon light valve for providing the light sound track as well as light sound adapter for reproducing the information recorded on A film with a light-sound track carrying stereophonic sound information and a ribbon light valve for producing the light-sound track, and a light-sound transducer for reproducing the information recorded on the light-sound track. On the film, the sounds o... | 12/06/1977 |
| 4002840 | Angle-modulated signal transmission system An angle-modulated signal transmission system comprises first and second filters for filtering signal components from first and second modulation signals supplied thereto. The filters eliminate a certain frequency band which tends to cause interference di... | 01/11/1977 |
| 3969583 | Method of stereophonic recording An improved technique for recording by means of head-mounted stereophonic microphones is described. The microphones are disposed for detecting waves from a sound source at a reference location within the ears of the listener corresponding to a position sl... | 07/13/1976 |
| 3942190 | Method and apparatus for uninterrupted recording and reproduction in a multichannel mode of information on tape A tape information playback and recording system operating in a multichannel mode is arranged to provide uninterrupted recording or reproduction of information from a tape recorded in a multichannel track configuration mode. The system includes a pair of ... | 03/02/1976 |
