CH325742A - Installation de téléphonie automatique - Google Patents
Installation de téléphonie automatiqueInfo
- Publication number
- CH325742A CH325742A CH325742DA CH325742A CH 325742 A CH325742 A CH 325742A CH 325742D A CH325742D A CH 325742DA CH 325742 A CH325742 A CH 325742A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatic telephony
- telephony installation
- installation
- automatic
- telephony
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR932804X | 1951-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH325742A true CH325742A (fr) | 1957-11-15 |
Family
ID=9455302
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH307141D CH307141A (fr) | 1951-04-11 | 1952-04-09 | Installation de téléphonie automatique. |
CH325742D CH325742A (fr) | 1951-04-11 | 1952-05-31 | Installation de téléphonie automatique |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH307141D CH307141A (fr) | 1951-04-11 | 1952-04-09 | Installation de téléphonie automatique. |
Country Status (6)
Country | Link |
---|---|
US (2) | US2761907A (fr) |
BE (2) | BE510605A (fr) |
CH (2) | CH307141A (fr) |
DE (1) | DE932804C (fr) |
FR (2) | FR1035311A (fr) |
GB (1) | GB735109A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB746942A (en) * | 1952-05-27 | 1956-03-21 | British Telecomm Res Ltd | Improvements in or relating to telephone or like systems |
NL178596B (nl) * | 1953-05-23 | Hoechst Ag | Werkwijze voor het bereiden van een geneesmiddel met antiflogistische en/of analgetische werking, alsmede werkwijze voor het bereiden van daarin als geneeskrachtige verbindingen te gebruiken 5-methylisoxazool-4-carbonzuuraniliden. | |
CN108983596B (zh) * | 2018-08-08 | 2021-08-03 | 太原理工大学 | 基于广义互熵算法的orc***单神经元控制器控制方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB328314A (en) * | 1928-12-20 | 1930-04-22 | Standard Telephones Cables Ltd | Improvements in or relating to telephone systems |
US2585904A (en) * | 1948-10-29 | 1952-02-19 | Bell Telephone Labor Inc | Crossbar telephone system |
US2633498A (en) * | 1948-12-29 | 1953-03-31 | Bell Telephone Labor Inc | Selecting and two-way translating system |
US2587103A (en) * | 1949-11-26 | 1952-02-26 | Kellogg Switchboard & Supply | Path-selection control arrangement for primary-secondary switching systems |
-
0
- US US2735894D patent/US2735894A/en not_active Expired - Lifetime
- BE BE511771D patent/BE511771A/xx unknown
- BE BE510605D patent/BE510605A/xx unknown
-
1951
- 1951-04-11 FR FR1035311D patent/FR1035311A/fr not_active Expired
- 1951-05-31 FR FR61724D patent/FR61724E/fr not_active Expired
-
1952
- 1952-03-31 US US279624A patent/US2761907A/en not_active Expired - Lifetime
- 1952-04-04 GB GB8689/52A patent/GB735109A/en not_active Expired
- 1952-04-09 CH CH307141D patent/CH307141A/fr unknown
- 1952-04-10 DE DEI5720A patent/DE932804C/de not_active Expired
- 1952-05-31 CH CH325742D patent/CH325742A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US2761907A (en) | 1956-09-04 |
BE510605A (fr) | |
DE932804C (de) | 1955-09-08 |
CH307141A (fr) | 1955-05-15 |
BE511771A (fr) | |
FR1035311A (fr) | 1953-08-21 |
US2735894A (en) | 1956-02-21 |
FR61724E (fr) | 1955-05-17 |
GB735109A (en) | 1955-08-17 |
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