FR1013615A - Systèmes de télécommunication comprenant des lignes groupées dites pbx - Google Patents
Systèmes de télécommunication comprenant des lignes groupées dites pbxInfo
- Publication number
- FR1013615A FR1013615A FR1013615DA FR1013615A FR 1013615 A FR1013615 A FR 1013615A FR 1013615D A FR1013615D A FR 1013615DA FR 1013615 A FR1013615 A FR 1013615A
- Authority
- FR
- France
- Prior art keywords
- telecommunications systems
- lines called
- called pbx
- grouped lines
- grouped
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL678319X | 1949-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1013615A true FR1013615A (fr) | 1952-07-31 |
Family
ID=19802353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1013615D Expired FR1013615A (fr) | 1949-02-09 | 1950-02-09 | Systèmes de télécommunication comprenant des lignes groupées dites pbx |
Country Status (4)
-
0
- NL NL656502227A patent/NL144773B/xx unknown
- BE BE493791D patent/BE493791A/xx unknown
- NL NL72168D patent/NL72168C/xx active
-
1950
- 1950-02-03 GB GB2829/50A patent/GB678319A/en not_active Expired
- 1950-02-09 FR FR1013615D patent/FR1013615A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE493791A (US20020095090A1-20020718-M00002.png) | |
NL144773B (nl) | |
GB678319A (en) | 1952-09-03 |
NL72168C (US20020095090A1-20020718-M00002.png) |
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