FR82072E - Improvements to magnetic recording systems - Google Patents

Improvements to magnetic recording systems

Info

Publication number
FR82072E
FR82072E FR895861A FR895861A FR82072E FR 82072 E FR82072 E FR 82072E FR 895861 A FR895861 A FR 895861A FR 895861 A FR895861 A FR 895861A FR 82072 E FR82072 E FR 82072E
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
FR895861A
Other languages
French (fr)
Inventor
Gerhard Merz
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 FR895861A priority Critical patent/FR82072E/en
Application granted granted Critical
Publication of FR82072E publication Critical patent/FR82072E/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR895861A 1960-02-03 1962-04-27 Improvements to magnetic recording systems Expired FR82072E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR895861A FR82072E (en) 1960-02-03 1962-04-27 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
FR895861A FR82072E (en) 1960-02-03 1962-04-27 Improvements to magnetic recording systems

Publications (1)

Publication Number Publication Date
FR82072E true FR82072E (en) 1963-12-20

Family

ID=27212423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895861A Expired FR82072E (en) 1960-02-03 1962-04-27 Improvements to magnetic recording systems

Country Status (1)

Country Link
FR (1) FR82072E (en)

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