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
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)
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 (xx) | 1949-06-21 | ||
NL94324D NL94324C (xx) | 1949-06-21 | ||
NL737306604A NL154348B (nl) | 1949-06-21 | Magnetisch registratiemedium. | |
NL86149D NL86149C (xx) | 1949-06-21 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL216340D NL216340A (xx) | 1949-06-21 | ||
NL94324D NL94324C (xx) | 1949-06-21 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL86149D NL86149C (xx) | 1949-06-21 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2686839A (xx) |
BE (1) | BE496495A (xx) |
CH (2) | CH293315A (xx) |
DE (1) | DE844751C (xx) |
FR (1) | FR1012159A (xx) |
GB (2) | GB701738A (xx) |
NL (4) | NL86149C (xx) |
Families Citing this family (3)
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 |
NL184264B (nl) * | 1953-01-12 | Hepworth Iron Co Ltd | Werkwijze en inrichting voor het vervaardigen van een pijpkoppeling. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL78385C (xx) * | 1946-06-20 | |||
US2619548A (en) * | 1948-05-15 | 1952-11-25 | Int Standard Electric Corp | Electronic switching apparatus for telephone systems |
BE494825A (xx) * | 1949-03-29 | |||
NL81976C (xx) * | 1949-06-02 |
-
0
- BE BE496495D patent/BE496495A/xx unknown
- NL NL216340D patent/NL216340A/xx unknown
- NL NL94324D patent/NL94324C/xx active
- NL NL737306604A patent/NL154348B/xx unknown
- NL NL86149D patent/NL86149C/xx active
-
1949
- 1949-06-21 FR FR1012159D patent/FR1012159A/fr not_active Expired
-
1950
- 1950-05-05 GB GB24845/52A patent/GB701738A/en not_active Expired
- 1950-05-05 GB GB11162/50A patent/GB701687A/en not_active Expired
- 1950-06-20 US US169273A patent/US2686839A/en not_active Expired - Lifetime
- 1950-06-21 CH CH293315D patent/CH293315A/fr unknown
- 1950-06-21 DE DEI1221A patent/DE844751C/de not_active Expired
- 1950-06-21 CH CH320151D patent/CH320151A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE496495A (xx) | |
NL94324C (xx) | |
CH293315A (fr) | 1953-09-15 |
US2686839A (en) | 1954-08-17 |
NL216340A (xx) | |
NL86149C (xx) | |
CH320151A (fr) | 1957-03-15 |
GB701738A (en) | 1953-12-30 |
GB701687A (en) | 1953-12-30 |
FR1012159A (fr) | 1952-07-07 |
DE844751C (de) | 1952-07-28 |
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