Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
  • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
  • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F11/00—Error detection; Error correction; Monitoring
  • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
  • G06F11/16—Error detection or correction of the data by redundancy in hardware
  • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
  • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Quality & Reliability (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Recording Or Reproducing By Magnetic Means (AREA)
• Digital Magnetic Recording (AREA)
• Magnetic Heads (AREA)
• Liquid Crystal Display Device Control (AREA)
• Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=25062467

Family Applications (1)

Country Status (9)

Families Citing this family (4)

Family Cites Families (4)

• 1968
  • 1968-09-23 US US761522A patent/US3576573A/en not_active Expired - Lifetime
• 1969
  • 1969-08-18 BE BE737592D patent/BE737592A/xx unknown
  • 1969-08-19 FR FR6928454A patent/FR2018621A1/fr not_active Withdrawn
  • 1969-08-20 CH CH1260269A patent/CH495029A/de not_active IP Right Cessation
  • 1969-08-20 GB GB41443/69A patent/GB1222047A/en not_active Expired
  • 1969-08-26 ES ES370865A patent/ES370865A1/es not_active Expired
  • 1969-08-26 NL NL6912971.A patent/NL162497C/nl not_active IP Right Cessation
  • 1969-09-18 DE DE1947198A patent/DE1947198C3/de not_active Expired
  • 1969-09-18 SE SE12852/69A patent/SE360942B/xx unknown

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