NL154348B - Magnetisch registratiemedium. - Google Patents

Magnetisch registratiemedium.

Info

Publication number
NL154348B
NL154348B NL737306604A NL154348DA NL154348B NL 154348 B NL154348 B NL 154348B NL 737306604 A NL737306604 A NL 737306604A NL 154348D A NL154348D A NL 154348DA NL 154348 B NL154348 B NL 154348B
Authority
NL
Netherlands
Prior art keywords
magnetic recording
recording media
media
magnetic
recording
Prior art date
Application number
NL737306604A
Other languages
English (en)
Dutch (nl)
Original Assignee
Minnesota Mining & Mfg
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.)
Publication of NL154348B publication Critical patent/NL154348B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electrotherapy Devices (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
NL737306604A 1949-06-21 Magnetisch registratiemedium. NL154348B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844751X 1949-06-21

Publications (1)

Publication Number Publication Date
NL154348B true NL154348B (nl)

Family

ID=9312527

Family Applications (4)

Application Number Title Priority Date Filing Date
NL216340D NL216340A (forum.php) 1949-06-21
NL94324D NL94324C (forum.php) 1949-06-21
NL86149D NL86149C (forum.php) 1949-06-21
NL737306604A NL154348B (nl) 1949-06-21 Magnetisch registratiemedium.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
NL216340D NL216340A (forum.php) 1949-06-21
NL94324D NL94324C (forum.php) 1949-06-21
NL86149D NL86149C (forum.php) 1949-06-21

Country Status (7)

Country Link
US (1) US2686839A (forum.php)
BE (1) BE496495A (forum.php)
CH (2) CH293315A (forum.php)
DE (1) DE844751C (forum.php)
FR (1) FR1012159A (forum.php)
GB (2) GB701738A (forum.php)
NL (4) NL154348B (forum.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960575A (en) * 1952-04-10 1960-11-15 Int Standard Electric Corp Automatic telecommunication systems
US2725428A (en) * 1953-01-06 1955-11-29 Itt Multi-group primary-secondary-spread crossbar telephone system
NL108191C (forum.php) * 1953-01-12
USD320798S (en) 1990-04-23 1991-10-15 Holt Richard A Earring clearance telephone handset earpiece or similar article

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78385C (forum.php) * 1946-06-20
US2619548A (en) * 1948-05-15 1952-11-25 Int Standard Electric Corp Electronic switching apparatus for telephone systems
US2583711A (en) * 1949-03-29 1952-01-29 Scowen
BE496069A (forum.php) * 1949-06-02

Also Published As

Publication number Publication date
NL94324C (forum.php)
GB701738A (en) 1953-12-30
NL86149C (forum.php)
CH320151A (fr) 1957-03-15
GB701687A (en) 1953-12-30
US2686839A (en) 1954-08-17
FR1012159A (fr) 1952-07-07
CH293315A (fr) 1953-09-15
BE496495A (forum.php)
NL216340A (forum.php)
DE844751C (de) 1952-07-28

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