Assignee

TANDBERG DATA

NO95 patents

Top patents by PatentIndex Score

US5542082AJul 30, 1996

Data storage system connected to a host computer system and having removable data storage media and equipped to read a control program from the removable media into storage employing ID comparison scheme

TANDBERG DATA99 citations96

US5452152ASep 19, 1995

Tracking control on longitudinal azimuth tracks using an auxiliary read head

TANDBERG DATA82 citations96

US5438469AAug 1, 1995

Method and apparatus for coarse and fine positioning a magnetic head with three piezoelectric elements arranged in a tripod arrangement

TANDBERG DATA64 citations96

US5294803AMar 15, 1994

System and a method for optically detecting an edge of a tape

TANDBERG DATA54 citations95

US5294791AMar 15, 1994

System and a method for controlling position of a magnetic head relative to a servo track of a tape by optical detection of an edge of the tape

TANDBERG DATA51 citations95

US4690362ASep 1, 1987

Adjustable stand for a visual display unit

TANDBERG DATA143 citations93

US5881960AMar 16, 1999

Method and apparatus for increased mechanical stability of a tape and cartridge

TANDBERG DATA28 citations92

US5457586AOct 10, 1995

Method and arrangement for positioning a magnetic head relative to the storage medium of a magnetic layer storage

TANDBERG DATA37 citations92

US5379165AJan 3, 1995

Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassette

TANDBERG DATA42 citations92

US5357495AOct 18, 1994

Stacker/autoloader system with intelligent media storage magazine control

TANDBERG DATA36 citations92

US5287008AFeb 15, 1994

Electrostatic discharge noise suppression method and system for electronic devices

TANDBERG DATA41 citations92

US5257148AOct 26, 1993

Method and apparatus for positioning a magnetic head in a magnetic layer memory system using tracking by reading a spaced pair of corresponding subtracks

TANDBERG DATA44 citations92

US5229620AJul 20, 1993

System for integrated tape hole detection by detecting an edge of the tape and/or a pattern on the tape

TANDBERG DATA21 citations92

US5162780ANov 10, 1992

Trackball for data entry and control with optimized ball height

TANDBERG DATA26 citations92

US5155353AOct 13, 1992

High dynamic range integrated opto-electronic sensor and MOSFET amplifiers for pulsed light

TANDBERG DATA27 citations92

US4866548ASep 12, 1989

Method and arrangement for precise positioning of a magnetic head to various tracks of a magnetic tape

TANDBERG DATA53 citations92

US4639796AJan 27, 1987

Arrangement for positioning a transducer to at least one track of a tape-shaped recording medium

TANDBERG DATA27 citations92

US4622606ANov 11, 1986

Magnetic tape recorder

TANDBERG DATA28 citations92

US4609959ASep 2, 1986

Device for positioning a magnetic head to various tracks of a magnetic tape

TANDBERG DATA48 citations92

US4476503AOct 9, 1984

Method for the recognition of an edge of a magnetic medium and a device for implementation of the method

TANDBERG DATA27 citations92

US6078463AJun 20, 2000

Method and system for generating a position error signal from recorded servo data tracks containing information represented by longitudinally spaced, magnetic transitions

TANDBERG DATA20 citations91

US5568327AOct 22, 1996

Method for determining the tape position using dedicated servo format

TANDBERG DATA24 citations91

US5394277AFeb 28, 1995

Method for determining servo track pair position and longitudinal tape position for a tape using dedicated servo format

TANDBERG DATA34 citations91

US5375245ADec 20, 1994

Apparatus for automatically reducing the power consumption of a CRT computer monitor

TANDBERG DATA62 citations91

US4395010AJul 26, 1983

Device for the setting up of a data display device on a work surface

TANDBERG DATA95 citations91

US5731935AMar 24, 1998

Magnetic head positioning device for a tape drive

TANDBERG DATA20 citations89

US4679104AJul 7, 1987

Method and arrangement for positioning a magnetic head to various tracks of a magnetic tape

TANDBERG DATA63 citations89

US5343341AAug 30, 1994

Method for seeking the center of a recorded data track

TANDBERG DATA29 citations88

US6972931B2Dec 6, 2005

Write/read head assembly with wear parts

TANDBERG DATA35 citations87

US5243262ASep 7, 1993

Method and apparatus for compensating alternating electrical fields present at the front surface of a cathode picture tube

TANDBERG DATA21 citations85

US5872675AFeb 16, 1999

Method and apparatus for accessing peripheral storages with asychronized individual requests to a host processor

TANDBERG DATA21 citations80

US5982572ANov 9, 1999

Method and apparatus for enabling fast access to a logical block on a tape medium

TANDBERG DATA18 citations79

US7855938B2Dec 21, 2010

Expandable data storage system and method with cartridge pass-through between cartridge handling units

TANDBERG DATA10 citations76

US6266201B1Jul 24, 2001

Multiple channel rewrite system

TANDBERG DATA17 citations76

US6297927B1Oct 2, 2001

Multiple tape cartridge and drive system wherein tapes are extracted from the cartridge

TANDBERG DATA12 citations74

US6206313B1Mar 27, 2001

Tape cartridge allowing concurrent reading/writing on multiple tapes

TANDBERG DATA10 citations74

US5392170AFeb 21, 1995

Magnetic tape storage unit with improved ability to read data by using a set of multiple read elements

TANDBERG DATA18 citations74

US5323280AJun 21, 1994

Three point reference system for a cartridge in a tape drive

TANDBERG DATA12 citations74

US5264972ANov 23, 1993

Method and apparatus for maintaining tape tension in a belt-driven tape cartridge

TANDBERG DATA7 citations74

US4984111AJan 8, 1991

Magnetic tape recorder with capstan cassette transport

TANDBERG DATA15 citations74

US4775910AOct 4, 1988

Arrangement for cleaning a magnetic head in a magnetic tape recorder

TANDBERG DATA8 citations74

US4763216AAug 9, 1988

Cleaning cassette for a magnetic tape recorder means

TANDBERG DATA10 citations74

US4491890AJan 1, 1985

Device for positioning a magnetic head in a magnetic tape device

TANDBERG DATA9 citations74

US4489355ADec 18, 1984

Locking device for a magnetic tape cassette in a magnetic tape device

TANDBERG DATA13 citations74

US4438879AMar 27, 1984

Suspension for the pivotably seated tape drive motor in a cassette magnetic tape device

TANDBERG DATA11 citations74

US6111725AAug 29, 2000

Tape cartridge having a retractable door

TANDBERG DATA10 citations73

US5947410ASep 7, 1999

Tape tensioning device and a method for tape tensioning

TANDBERG DATA7 citations73

Showing the top 50 of 95 patents by PatentIndex Score.

TANDBERG DATA

Top patents by PatentIndex Score

Data storage system connected to a host computer system and having removable data storage media and equipped to read a control program from the removable media into storage employing ID comparison scheme

Tracking control on longitudinal azimuth tracks using an auxiliary read head

Method and apparatus for coarse and fine positioning a magnetic head with three piezoelectric elements arranged in a tripod arrangement

System and a method for optically detecting an edge of a tape

System and a method for controlling position of a magnetic head relative to a servo track of a tape by optical detection of an edge of the tape

Adjustable stand for a visual display unit

Method and apparatus for increased mechanical stability of a tape and cartridge

Method and arrangement for positioning a magnetic head relative to the storage medium of a magnetic layer storage

Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassette

Stacker/autoloader system with intelligent media storage magazine control

Electrostatic discharge noise suppression method and system for electronic devices

Method and apparatus for positioning a magnetic head in a magnetic layer memory system using tracking by reading a spaced pair of corresponding subtracks

System for integrated tape hole detection by detecting an edge of the tape and/or a pattern on the tape

Trackball for data entry and control with optimized ball height

High dynamic range integrated opto-electronic sensor and MOSFET amplifiers for pulsed light

Method and arrangement for precise positioning of a magnetic head to various tracks of a magnetic tape

Arrangement for positioning a transducer to at least one track of a tape-shaped recording medium

Magnetic tape recorder

Device for positioning a magnetic head to various tracks of a magnetic tape

Method for the recognition of an edge of a magnetic medium and a device for implementation of the method

Method and system for generating a position error signal from recorded servo data tracks containing information represented by longitudinally spaced, magnetic transitions

Method for determining the tape position using dedicated servo format

Method for determining servo track pair position and longitudinal tape position for a tape using dedicated servo format

Apparatus for automatically reducing the power consumption of a CRT computer monitor

Device for the setting up of a data display device on a work surface

Magnetic head positioning device for a tape drive

Method and arrangement for positioning a magnetic head to various tracks of a magnetic tape

Method for seeking the center of a recorded data track

Write/read head assembly with wear parts

Method and apparatus for compensating alternating electrical fields present at the front surface of a cathode picture tube

Tape cartridge with integrated mirror tracking mechanism

Magnetic head positioning arrangement

Magnetic data transfer system with dynamic head-to-tape alignment

Method and apparatus for accessing peripheral storages with asychronized individual requests to a host processor

Method and apparatus for enabling fast access to a logical block on a tape medium

Expandable data storage system and method with cartridge pass-through between cartridge handling units

Multiple channel rewrite system

Multiple tape cartridge and drive system wherein tapes are extracted from the cartridge

Tape cartridge allowing concurrent reading/writing on multiple tapes

Magnetic tape storage unit with improved ability to read data by using a set of multiple read elements

Three point reference system for a cartridge in a tape drive

Method and apparatus for maintaining tape tension in a belt-driven tape cartridge

Magnetic tape recorder with capstan cassette transport

Arrangement for cleaning a magnetic head in a magnetic tape recorder

Cleaning cassette for a magnetic tape recorder means

Device for positioning a magnetic head in a magnetic tape device

Locking device for a magnetic tape cassette in a magnetic tape device

Suspension for the pivotably seated tape drive motor in a cassette magnetic tape device

Tape cartridge having a retractable door

Tape tensioning device and a method for tape tensioning