CH268344A - Installation de télécommunication. - Google Patents
Installation de télécommunication.Info
- Publication number
- CH268344A CH268344A CH268344DA CH268344A CH 268344 A CH268344 A CH 268344A CH 268344D A CH268344D A CH 268344DA CH 268344 A CH268344 A CH 268344A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunications installation
- telecommunications
- installation
- Prior art date
Links
- 238000009434 installation Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
-
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB268344X | 1940-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH268344A true CH268344A (fr) | 1950-05-15 |
Family
ID=10250007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH268344D CH268344A (fr) | 1940-04-09 | 1947-03-11 | Installation de télécommunication. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE471228A (enrdf_load_stackoverflow) |
CH (1) | CH268344A (enrdf_load_stackoverflow) |
FR (1) | FR939459A (enrdf_load_stackoverflow) |
-
0
- BE BE471228D patent/BE471228A/xx unknown
-
1946
- 1946-12-27 FR FR939459D patent/FR939459A/fr not_active Expired
-
1947
- 1947-03-11 CH CH268344D patent/CH268344A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE471228A (enrdf_load_stackoverflow) | |
FR939459A (fr) | 1948-11-16 |
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