FR2018621A1 - - Google Patents

Info

Publication number
FR2018621A1
FR2018621A1 FR6928454A FR6928454A FR2018621A1 FR 2018621 A1 FR2018621 A1 FR 2018621A1 FR 6928454 A FR6928454 A FR 6928454A FR 6928454 A FR6928454 A FR 6928454A FR 2018621 A1 FR2018621 A1 FR 2018621A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6928454A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2018621A1 publication Critical patent/FR2018621A1/fr
Withdrawn legal-status Critical Current

Links

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 OR CALCULATING; 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)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Liquid Crystal Display Device Control (AREA)
FR6928454A 1968-09-23 1969-08-19 Withdrawn FR2018621A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76152268A 1968-09-23 1968-09-23

Publications (1)

Publication Number Publication Date
FR2018621A1 true FR2018621A1 (fr) 1970-06-26

Family

ID=25062467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6928454A Withdrawn FR2018621A1 (fr) 1968-09-23 1969-08-19

Country Status (9)

Country Link
US (1) US3576573A (fr)
BE (1) BE737592A (fr)
CH (1) CH495029A (fr)
DE (1) DE1947198C3 (fr)
ES (1) ES370865A1 (fr)
FR (1) FR2018621A1 (fr)
GB (1) GB1222047A (fr)
NL (1) NL162497C (fr)
SE (1) SE360942B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427928A (en) * 1972-04-19 1976-03-10 Rca Corp Control signal apparatus for detecting signal presence or absence
JPS527708A (en) * 1975-07-08 1977-01-21 Sony Corp Tape recorder
US4011586A (en) * 1975-11-28 1977-03-08 Minnesota Mining And Manufacturing Company Voice logging recorder for use with preloaded cassettes
WO2013131071A1 (fr) * 2012-03-02 2013-09-06 Silicon Light Machines Corporation Circuit de commande pour modulateur spatial de lumière mems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL242718A (fr) * 1958-08-29 1900-01-01
US3147462A (en) * 1961-01-03 1964-09-01 Gen Precision Inc Control system for magnetic memory drum
US3451042A (en) * 1964-10-14 1969-06-17 Westinghouse Electric Corp Redundant signal transmission system
US3409877A (en) * 1964-11-27 1968-11-05 Bell Telephone Labor Inc Automatic maintenance arrangement for data processing systems

Also Published As

Publication number Publication date
DE1947198B2 (de) 1978-04-13
NL162497C (nl) 1980-05-16
SE360942B (fr) 1973-10-08
US3576573A (en) 1971-04-27
CH495029A (de) 1970-08-15
NL6912971A (fr) 1970-03-25
ES370865A1 (es) 1971-07-01
DE1947198C3 (de) 1978-12-14
BE737592A (fr) 1970-02-02
DE1947198A1 (de) 1970-03-26
GB1222047A (en) 1971-02-10
NL162497B (nl) 1979-12-17

Similar Documents

Publication Publication Date Title
AU428130B2 (fr)
AU5184069A (fr)
AU6168869A (fr)
AU6171569A (fr)
FR2018621A1 (fr)
AU429879B2 (fr)
AU416157B2 (fr)
AU4811568A (fr)
AU421558B1 (fr)
AU4744468A (fr)
AU3789668A (fr)
AU3224368A (fr)
AU479393A (fr)
BE725635A (fr)
BE728067A (fr)
BE727786A (fr)
BE727740A (fr)
BE709484A (fr)
BE727606A (fr)
AU2889368A (fr)
AU463027A (fr)
AU4558658A (fr)
BE727158A (fr)
BE727156A (fr)
BE727028A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse