FR1279815A - Improvements to magnetic recording systems - Google Patents

Improvements to magnetic recording systems

Info

Publication number
FR1279815A
FR1279815A FR851508A FR851508A FR1279815A FR 1279815 A FR1279815 A FR 1279815A FR 851508 A FR851508 A FR 851508A FR 851508 A FR851508 A FR 851508A FR 1279815 A FR1279815 A FR 1279815A
Authority
FR
France
Prior art keywords
magnetic recording
recording systems
systems
magnetic
recording
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.)
Expired
Application number
FR851508A
Other languages
French (fr)
Inventor
Gerhard Merz
Friedrich Ulrich
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 Standard Electric Corp
Original Assignee
International Standard Electric 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
Priority claimed from DEST16067A external-priority patent/DE1202329B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR851508A priority Critical patent/FR1279815A/en
Application granted granted Critical
Publication of FR1279815A publication Critical patent/FR1279815A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/04—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using cores with one aperture or magnetic loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H04M15/12—Discriminative metering, charging or billing
    • H04M15/18—Discriminative metering, charging or billing according to duration of the call, or the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
FR851508A 1960-02-03 1961-02-02 Improvements to magnetic recording systems Expired FR1279815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR851508A FR1279815A (en) 1960-02-03 1961-02-02 Improvements to magnetic recording systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEST16067A DE1202329B (en) 1960-02-03 1960-02-03 Process for recognizing the polarity of the marking impulses which are given to a cyclically scanned ferrite core memory via special marking lines assigned to the individual cores of the memory
DEST16090A DE1117644B (en) 1960-02-03 1960-02-09 Process for the detection of incoming current pulses over the individual lines of a line bundle
FR851508A FR1279815A (en) 1960-02-03 1961-02-02 Improvements to magnetic recording systems

Publications (1)

Publication Number Publication Date
FR1279815A true FR1279815A (en) 1961-12-22

Family

ID=27212422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851508A Expired FR1279815A (en) 1960-02-03 1961-02-02 Improvements to magnetic recording systems

Country Status (1)

Country Link
FR (1) FR1279815A (en)

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