NL75012C - - Google Patents
Info
- Publication number
- NL75012C NL75012C NL75012DA NL75012C NL 75012 C NL75012 C NL 75012C NL 75012D A NL75012D A NL 75012DA NL 75012 C NL75012 C NL 75012C
- Authority
- NL
- Netherlands
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
- 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
- H04M1/652—Means for playing back the recorded messages by remote control over a telephone line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH286689T | 1950-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL75012C true NL75012C (en:Method) |
Family
ID=4485493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL75012D NL75012C (en:Method) | 1950-11-10 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH286689A (en:Method) |
| NL (1) | NL75012C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498785A1 (fr) * | 1981-01-23 | 1982-07-30 | Duranton Rene | Dispositif de telecommande comportant un recepteur de signaux vocaux transmis sur ligne telephonique |
| US4439638A (en) * | 1982-01-28 | 1984-03-27 | International Mobile Machines Corp. | Sound-activated code-controlled detection system for telephones and the like |
| DE3423326A1 (de) * | 1984-06-23 | 1986-01-02 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Verfahren zur fernsteuerung eines telefonanrufbeantworters |
-
0
- NL NL75012D patent/NL75012C/xx active
-
1950
- 1950-11-10 CH CH286689D patent/CH286689A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH286689A (de) | 1952-10-31 |