FR90390E - Device for telecommunications installations and in particular telephony - Google Patents
Device for telecommunications installations and in particular telephonyInfo
- Publication number
- FR90390E FR90390E FR57164A FR57164A FR90390E FR 90390 E FR90390 E FR 90390E FR 57164 A FR57164 A FR 57164A FR 57164 A FR57164 A FR 57164A FR 90390 E FR90390 E FR 90390E
- Authority
- FR
- France
- Prior art keywords
- particular telephony
- telecommunications installations
- installations
- telecommunications
- telephony
- 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
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR57164A FR90390E (en) | 1964-04-03 | 1966-04-08 | Device for telecommunications installations and in particular telephony |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES90365A DE1235379B (en) | 1964-04-03 | 1964-04-03 | Arrangement for telecommunications switching systems, in particular telephone switching systems |
DES96482A DE1254702B (en) | 1964-04-03 | 1965-04-12 | Arrangement for telecommunications switching systems, in particular telephone switching systems with several switching switching stages connected by intermediate lines |
DES96765A DE1262358B (en) | 1964-04-03 | 1965-04-26 | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, with several switching switching stages connected by intermediate lines |
FR57164A FR90390E (en) | 1964-04-03 | 1966-04-08 | Device for telecommunications installations and in particular telephony |
Publications (1)
Publication Number | Publication Date |
---|---|
FR90390E true FR90390E (en) | 1967-12-01 |
Family
ID=27437573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR57164A Expired FR90390E (en) | 1964-04-03 | 1966-04-08 | Device for telecommunications installations and in particular telephony |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR90390E (en) |
-
1966
- 1966-04-08 FR FR57164A patent/FR90390E/en not_active Expired
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