BE471228A - - Google Patents
Info
- Publication number
- BE471228A BE471228A BE471228DA BE471228A BE 471228 A BE471228 A BE 471228A BE 471228D A BE471228D A BE 471228DA BE 471228 A BE471228 A BE 471228A
- Authority
- BE
- Belgium
Links
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 |
|---|---|
| BE471228A true BE471228A (en:Method) |
Family
ID=10250007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471228D BE471228A (en:Method) | 1940-04-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE471228A (en:Method) |
| CH (1) | CH268344A (en:Method) |
| FR (1) | FR939459A (en:Method) |
-
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 |
|---|---|
| FR939459A (fr) | 1948-11-16 |
| CH268344A (fr) | 1950-05-15 |