JPS538113A - Recording density judgement system for magnetic tape - Google Patents

Recording density judgement system for magnetic tape

Info

Publication number
JPS538113A
JPS538113A JP8189476A JP8189476A JPS538113A JP S538113 A JPS538113 A JP S538113A JP 8189476 A JP8189476 A JP 8189476A JP 8189476 A JP8189476 A JP 8189476A JP S538113 A JPS538113 A JP S538113A
Authority
JP
Japan
Prior art keywords
recording density
magnetic tape
judgement system
density judgement
read
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8189476A
Other languages
Japanese (ja)
Inventor
Tetsuo Nagabori
Kazuo Kumagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP8189476A priority Critical patent/JPS538113A/en
Publication of JPS538113A publication Critical patent/JPS538113A/en
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To carry out an automatic reference to the correcat "read" method by reading data with the assistance of the other recording density when difficult to read data by the recording density of an identification recording signal.
COPYRIGHT: (C)1978,JPO&Japio
JP8189476A 1976-07-12 1976-07-12 Recording density judgement system for magnetic tape Pending JPS538113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8189476A JPS538113A (en) 1976-07-12 1976-07-12 Recording density judgement system for magnetic tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8189476A JPS538113A (en) 1976-07-12 1976-07-12 Recording density judgement system for magnetic tape

Publications (1)

Publication Number Publication Date
JPS538113A true JPS538113A (en) 1978-01-25

Family

ID=13759139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8189476A Pending JPS538113A (en) 1976-07-12 1976-07-12 Recording density judgement system for magnetic tape

Country Status (1)

Country Link
JP (1) JPS538113A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115119A (en) * 1978-02-28 1979-09-07 Nec Corp Recording type detector of magnetic tapes
JPS57191810A (en) * 1981-05-21 1982-11-25 Nec Corp Magnetic tape device capable of discriminating recording format
JPS60224150A (en) * 1984-04-20 1985-11-08 Panafacom Ltd Disk control system
JPS60256986A (en) * 1984-05-31 1985-12-18 Mitsubishi Electric Corp Reproducing device
WO1986006535A1 (en) * 1985-04-23 1986-11-06 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card
JPS61253672A (en) * 1985-05-02 1986-11-11 Toshiba Corp Recording mode automatic switching system of auxiliary memory device
US4970712A (en) * 1985-04-23 1990-11-13 Dai Nippon Insatsu Kabushiki Kaisha Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards
JPH05210893A (en) * 1991-08-30 1993-08-20 Internatl Business Mach Corp <Ibm> System and method of storage on tape of various tape thickness and recording format

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115119A (en) * 1978-02-28 1979-09-07 Nec Corp Recording type detector of magnetic tapes
JPS57191810A (en) * 1981-05-21 1982-11-25 Nec Corp Magnetic tape device capable of discriminating recording format
JPS60224150A (en) * 1984-04-20 1985-11-08 Panafacom Ltd Disk control system
JPS60256986A (en) * 1984-05-31 1985-12-18 Mitsubishi Electric Corp Reproducing device
WO1986006535A1 (en) * 1985-04-23 1986-11-06 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card
EP0231380A1 (en) * 1985-04-23 1987-08-12 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card
US4970712A (en) * 1985-04-23 1990-11-13 Dai Nippon Insatsu Kabushiki Kaisha Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards
EP0231380B1 (en) * 1985-04-23 1994-01-19 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card
JPS61253672A (en) * 1985-05-02 1986-11-11 Toshiba Corp Recording mode automatic switching system of auxiliary memory device
JPH05210893A (en) * 1991-08-30 1993-08-20 Internatl Business Mach Corp <Ibm> System and method of storage on tape of various tape thickness and recording format

Similar Documents

Publication Publication Date Title
JPS538113A (en) Recording density judgement system for magnetic tape
JPS52116209A (en) System for reproducing magnetic recording tape
JPS53100214A (en) Magnetic recording system
JPS5414114A (en) Video tape for automatic edit
JPS527619A (en) Magnetic tape record playback system
JPS53118915A (en) Storage reproducing system
JPS5277713A (en) Signal recording and reproduction system
JPS5250131A (en) Information recording system
JPS5275306A (en) Signal recording position retrieval apparatus
JPS5378818A (en) Magnetic disc system
JPS53142815A (en) Storage recording system for transmission signal
JPS5376808A (en) Arbitrarily position-selecting system for magnetic recorder
JPS5373127A (en) Data read out circuit
JPS51114911A (en) Regenerating method for phase coding system recording signals
JPS5424522A (en) Storage recording system
JPS52106705A (en) Magnetic tape position signal reproducer
JPS52113217A (en) Magnetic recording and reproducing apparatus
JPS5373126A (en) Recording information reading system of magnetic tape apparatus
JPS5245316A (en) Reading system for magnetic tape device
JPS5349925A (en) Information searching device
JPS5436914A (en) Recording-reproducing system of digital data signals
JPS5276825A (en) Information reading system of tape reader
JPS5312313A (en) Control method for magnetic recorder
JPS5291413A (en) Magnetic recorder/reproducer unit
JPS5421712A (en) Magnetic recorder-reproducer