FR1079055A - Dispositif d'identification de numéros - Google Patents
Dispositif d'identification de numérosInfo
- Publication number
- FR1079055A FR1079055A FR1079055DA FR1079055A FR 1079055 A FR1079055 A FR 1079055A FR 1079055D A FR1079055D A FR 1079055DA FR 1079055 A FR1079055 A FR 1079055A
- Authority
- FR
- France
- Prior art keywords
- identification device
- number identification
- identification
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/40—Branched or multiple-limb main magnetic circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1079055X | 1952-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1079055A true FR1079055A (fr) | 1954-11-25 |
Family
ID=20419692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1079055D Expired FR1079055A (fr) | 1952-02-25 | 1953-02-20 | Dispositif d'identification de numéros |
Country Status (5)
Country | Link |
---|---|
US (1) | US2732434A (fr) |
BE (1) | BE517903A (fr) |
FR (1) | FR1079055A (fr) |
GB (1) | GB731196A (fr) |
NL (1) | NL78568C (fr) |
-
0
- BE BE517903D patent/BE517903A/xx unknown
- US US2732434D patent/US2732434A/en not_active Expired - Lifetime
-
1953
- 1953-02-20 FR FR1079055D patent/FR1079055A/fr not_active Expired
- 1953-02-24 GB GB5152/53A patent/GB731196A/en not_active Expired
- 1953-02-24 NL NL176344A patent/NL78568C/xx active
Also Published As
Publication number | Publication date |
---|---|
NL78568C (fr) | 1955-07-15 |
US2732434A (en) | 1956-01-24 |
GB731196A (en) | 1955-06-01 |
BE517903A (fr) |
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