Patents
Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746)
06/1983
06/01/1983EP0080256A2 Information recording/reproducing apparatus
05/1983
05/31/1983US4386380 Tape player control device
05/31/1983US4386379 Videotape cue control and display apparatus
05/31/1983US4385959 Splicing tape dispenser-applicator
05/31/1983CA1147458A1 Recording system and cassette for such a recording system
05/26/1983WO1983001859A1 Track identification code recording method
05/25/1983EP0079669A1 Optical type information read/write apparatus
05/24/1983US4385228 Display device for tape recorder with automatic shut off and reset inhibiting
05/24/1983CA1147058A1 Record carrier with sector address sections
05/24/1983CA1147054A1 Buffered recording
05/17/1983US4384308 Apparatus for recording and detecting a cue signal
05/17/1983US4384284 Keyboard operated audio visual system
05/10/1983US4383285 Memory error signal devices for tape cassettes with memory
05/10/1983US4383280 Recorder with timing channel
05/10/1983US4383279 Reproduction of special purpose information on a video disc
05/10/1983US4383276 Video disc player with a freeze frame feature
05/04/1983EP0078218A1 Method for the identification of illicit sound recordings, and duplicator using the method
05/04/1983EP0078060A1 Method and apparatus for recovering information from a selected track on a record disc
04/1983
04/28/1983WO1983001533A1 Three beam optical memory system
04/28/1983WO1983001532A1 Preformatted optical media for use in an optical memory system
04/27/1983EP0077692A2 Editing control methods and apparatus for video tape recorders
04/27/1983EP0077686A2 Video tape editing control systems
04/27/1983EP0077642A2 Three beam optical memory system
04/27/1983EP0077641A2 Method for improved focusing control in an optical memory system
04/26/1983US4381089 Wound-tape radius detection system for a tape recorder
04/26/1983CA1145464A1 Programmed video record disc and related playback apparatus
04/19/1983US4380732 Signal spectrum display apparatus
04/19/1983CA1145036A1 Method of addressing and/or locating information on a record carrier
04/19/1983CA1145035A1 Magnetic tape cassettes provided with memory circuits for storing information
04/13/1983EP0076347A1 Optical track segment intercept apparatus
04/12/1983US4380029 Data recording format and method and apparatus for producing same
04/12/1983US4380015 Recording system for recording information on record medium by using energy beam
04/12/1983CA1144641A1 Method for recording multiple data segments on a storage disc
04/06/1983EP0075909A2 Signal recording and/or reproducing apparatus for indicating lengths of tape portions carrying information
03/1983
03/29/1983US4378577 Method and apparatus for recording and detecting indicating signals in a recording and/or reproducing device
03/29/1983US4378573 Magnetic recording and reproducing system with noise cancellation
03/23/1983EP0074841A2 Recording and using cue data
03/22/1983US4377826 Method for detecting a specific recording position on a recording medium and an apparatus using this method
03/22/1983US4377824 Multi-channel longitudinal video tape recording
03/22/1983CA1143473A1 Record carrier with servo areas for speed correction
03/17/1983WO1983000971A1 Reciprocating recording method and apparatus for editing commercial messages from television signals
03/15/1983US4376959 Address signal generator for prerecorded signal sources
03/15/1983US4376876 DC Supply for an electronic signalling device
03/15/1983US4376874 Real time speech compaction/relay with silence detection
03/09/1983EP0073519A2 Optical disc player
03/08/1983US4376292 Apparatus for erasing and reproducing audio signals
03/08/1983CA1142664A1 Method of recording and reproducing a message with an indication of a time instance
03/07/1983EP0042861A4 Automated conversation system.
02/1983
02/23/1983EP0072704A2 Method and apparatus for optically recording and reproducing information
02/22/1983US4375101 System for formatting data on video tape for high accuracy recovery
02/22/1983US4375093 Intermusic detecting circuit for automatic music selecting device
02/22/1983US4375091 Method and apparatus for information retrieval from an optically readable storage medium
02/22/1983US4375083 Signal sequence editing method and apparatus with automatic time fitting of edited segments
02/16/1983EP0071936A2 Telephone interfaced recording and playback apparatus
02/16/1983EP0071618A1 Digital television tape recording.
02/15/1983US4374323 Focusing apparatus for use in a system for recovering information from an optically-readable storage medium
02/08/1983CA1141026A1 Method and apparatus for editing digital signals
02/08/1983CA1141025A1 Code signal reading apparatus
02/01/1983US4371894 Video disc transducer system and method
01/1983
01/26/1983EP0070677A2 Video printing apparatus
01/25/1983US4370684 Tape recorder with automatic tape end stopping and alarm generation
01/25/1983US4370549 Electronic counter circuit for tape recorder
01/12/1983EP0069548A1 Data record with pre-recorded transducer positioning signals, and system for utilizing same
01/11/1983CA1139442A1 System, method and record medium for reproducing pictures and related audio information
01/11/1983CA1139436A1 Positioning system and formatting scheme for magnetic tape media
01/11/1983CA1139432A1 Magnetic recording and reproducing device
01/05/1983EP0068803A1 A method of and apparatus for, generating a unique index mark from the commutation signal of a d.c. brushless motor
01/04/1983US4367499 Tape searching device in PCM recording and reproducing apparatus
01/04/1983US4367498 Interval detection for automatic cueing control systems
01/04/1983CA1139027A1 Pushbutton radiotuner with illuminated pushbutton display
12/1982
12/28/1982US4366514 Magnetic reproducing apparatus
12/28/1982US4366512 Method and apparatus for dividing a track on a magnetizable information storage disc into sectors
12/28/1982US4366510 Video signal recording and/or reproducing device
12/28/1982US4366471 Variable speed digital reproduction system using a digital low-pass filter
12/28/1982US4366371 Method and apparatus for controlling tape transport apparatus for cassettes
12/21/1982US4365313 Cue control apparatus
12/21/1982US4365278 Device for detecting non-recorded portions on magnetic tape
12/21/1982US4365277 Device for detecting the position of a tape in a magnetic tape recording and/or reproducing apparatus
12/15/1982EP0066776A1 Device for controlling consecutive recording of video information signals from video camera
12/15/1982EP0066590A1 Reading information stored in multiple frame format.
12/14/1982US4364096 Apparatus for reproducing PCM magnetic recording tape
12/07/1982US4363117 Video disc with dynamic stylus cleaning
12/07/1982US4363116 Method, apparatus and record carrier body for optically writing information
12/07/1982US4363055 Control system for audio-visual projector
12/07/1982US4363054 Apparatus and method for oscillating the tape of a tape player
12/07/1982US4363049 Method and apparatus for editing digital signals
12/07/1982US4363048 Time counting clock generator
12/07/1982US4363043 Circuit arrangement for skipping marked portions of a recording tape
12/07/1982US4363039 Automatic operation control apparatus for a PCM recording and reproducing system
11/1982
11/30/1982US4361898 Digital synchronizing system
11/30/1982US4361849 Video disc vari-speed playback system
11/23/1982US4360843 Apparatus and method for determining time code addresses at low tape speed
11/23/1982US4360842 Data processor for recording and reading out check data and true data in a cassette tape
11/23/1982US4360841 Data correction circuit
11/23/1982US4360824 Systems for recording both information and pilot signals directly on recording medium
11/23/1982CA1136269A1 Video tape reproducing apparatus with various tape speeds
11/17/1982EP0064897A1 Information carrier disc with angular coding and rotation drive system for such a disc
11/17/1982EP0064750A2 Gapless splicing of pitch altered waveforms
11/17/1982EP0064674A1 Digital display for dictation transcriber
11/17/1982EP0064539A1 Time reversal imaging apparatus for displaying x-ray images or the like