CH297626A - Installation téléphonique automatique. - Google Patents
Installation téléphonique automatique.Info
- Publication number
- CH297626A CH297626A CH297626DA CH297626A CH 297626 A CH297626 A CH 297626A CH 297626D A CH297626D A CH 297626DA CH 297626 A CH297626 A CH 297626A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatic telephone
- telephone installation
- installation
- automatic
- telephone
- Prior art date
Links
Classifications
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
 
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR868924X | 1949-10-03 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| CH297626A true CH297626A (fr) | 1954-03-31 | 
Family
ID=9346277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| CH297626D CH297626A (fr) | 1949-10-03 | 1950-09-28 | Installation téléphonique automatique. | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US2660620A (forum.php) | 
| BE (1) | BE498138A (forum.php) | 
| CH (1) | CH297626A (forum.php) | 
| DE (1) | DE868924C (forum.php) | 
| FR (1) | FR1012472A (forum.php) | 
| GB (1) | GB748752A (forum.php) | 
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| BE567178A (forum.php) * | 1952-07-01 | 
- 
        0
        - BE BE498138D patent/BE498138A/xx unknown
 
- 
        1949
        - 1949-10-03 FR FR1012472D patent/FR1012472A/fr not_active Expired
 
- 
        1950
        - 1950-09-22 DE DEI2031A patent/DE868924C/de not_active Expired
- 1950-09-28 CH CH297626D patent/CH297626A/fr unknown
- 1950-09-29 GB GB23879/50A patent/GB748752A/en not_active Expired
- 1950-09-30 US US187718A patent/US2660620A/en not_active Expired - Lifetime
 
Also Published As
| Publication number | Publication date | 
|---|---|
| FR1012472A (fr) | 1952-07-10 | 
| GB748752A (en) | 1956-05-09 | 
| DE868924C (de) | 1953-03-02 | 
| US2660620A (en) | 1953-11-24 | 
| BE498138A (forum.php) | 
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