BE496495A - - Google Patents
Info
- Publication number
- BE496495A BE496495A BE496495DA BE496495A BE 496495 A BE496495 A BE 496495A BE 496495D A BE496495D A BE 496495DA BE 496495 A BE496495 A BE 496495A
- Authority
- BE
- Belgium
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 |
|---|---|
| BE496495A true BE496495A (en:Method) |
Family
ID=9312527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496495D BE496495A (en:Method) | 1949-06-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2686839A (en:Method) |
| BE (1) | BE496495A (en:Method) |
| CH (2) | CH293315A (en:Method) |
| DE (1) | DE844751C (en:Method) |
| FR (1) | FR1012159A (en:Method) |
| GB (2) | GB701687A (en:Method) |
| NL (4) | NL94324C (en:Method) |
Families Citing this family (4)
| 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 (en:Method) * | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL78385C (en:Method) * | 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 | |
| NL81976C (en:Method) * | 1949-06-02 |
-
0
- NL NL216340D patent/NL216340A/xx unknown
- NL NL86149D patent/NL86149C/xx active
- NL NL737306604A patent/NL154348B/xx unknown
- BE BE496495D patent/BE496495A/xx unknown
- NL NL94324D patent/NL94324C/xx active
-
1949
- 1949-06-21 FR FR1012159D patent/FR1012159A/fr not_active Expired
-
1950
- 1950-05-05 GB GB11162/50A patent/GB701687A/en not_active Expired
- 1950-05-05 GB GB24845/52A patent/GB701738A/en not_active Expired
- 1950-06-20 US US169273A patent/US2686839A/en not_active Expired - Lifetime
- 1950-06-21 DE DEI1221A patent/DE844751C/de not_active Expired
- 1950-06-21 CH CH293315D patent/CH293315A/fr unknown
- 1950-06-21 CH CH320151D patent/CH320151A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE844751C (de) | 1952-07-28 |
| CH293315A (fr) | 1953-09-15 |
| FR1012159A (fr) | 1952-07-07 |
| CH320151A (fr) | 1957-03-15 |
| GB701687A (en) | 1953-12-30 |
| NL86149C (en:Method) | |
| NL216340A (en:Method) | |
| US2686839A (en) | 1954-08-17 |
| GB701738A (en) | 1953-12-30 |
| NL154348B (nl) | |
| NL94324C (en:Method) |