NL61751C - - Google Patents
Info
- Publication number
- NL61751C NL61751C NL61751DA NL61751C NL 61751 C NL61751 C NL 61751C NL 61751D A NL61751D A NL 61751DA NL 61751 C NL61751 C NL 61751C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
- H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech
-
- 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
- H04M1/658—Means for redirecting recorded messages to other extensions or equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Toys (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB201139X | 1936-11-04 | ||
| GB190837X | 1937-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL61751C true NL61751C (https=) |
Family
ID=26253826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL61751D NL61751C (https=) | 1936-11-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2161525A (https=) |
| BE (1) | BE424390A (https=) |
| CH (1) | CH201139A (https=) |
| GB (1) | GB484308A (https=) |
| NL (1) | NL61751C (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB589160A (en) * | 1945-03-15 | 1947-06-12 | Alfred Samuel Horace Picking | Improvements in or relating to automatic alarm systems |
| FR956829A (https=) * | 1946-09-03 | 1950-02-08 | ||
| GB682276A (en) * | 1950-06-07 | 1952-11-05 | Samuel Dunseith Mckellen | Improvements in or relating to automatic alarm devices |
| US2769032A (en) * | 1951-03-12 | 1956-10-30 | Strother John | Telephone alarm |
| US2661394A (en) * | 1951-08-16 | 1953-12-01 | Carsten J Munch | Burglary and fire alarm |
| US2883460A (en) * | 1953-07-14 | 1959-04-21 | Anatol N Andrews | Automatic transmission alarm |
-
0
- BE BE424390D patent/BE424390A/xx unknown
- NL NL61751D patent/NL61751C/xx active
-
1936
- 1936-11-04 GB GB30014/36A patent/GB484308A/en not_active Expired
-
1937
- 1937-11-02 US US172461A patent/US2161525A/en not_active Expired - Lifetime
- 1937-11-03 CH CH201139D patent/CH201139A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE424390A (https=) | |
| US2161525A (en) | 1939-06-06 |
| GB484308A (en) | 1938-05-04 |
| CH201139A (de) | 1938-11-15 |