NL65337C - - Google Patents
Info
- Publication number
- NL65337C NL65337C NL65337DA NL65337C NL 65337 C NL65337 C NL 65337C NL 65337D A NL65337D A NL 65337DA NL 65337 C NL65337 C NL 65337C
- 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
- H04M1/652—Means for playing back the recorded messages by remote control over a telephone line
-
- 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
- H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2489638X | 1944-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL65337C true NL65337C (xx) |
Family
ID=4569601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL65337D NL65337C (xx) | 1944-12-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2489638A (xx) |
| AT (1) | AT163570B (xx) |
| BE (1) | BE460890A (xx) |
| CH (1) | CH257252A (xx) |
| FR (1) | FR913552A (xx) |
| NL (1) | NL65337C (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2601393A (en) * | 1948-05-27 | 1952-06-24 | Jr John Hays Hammond | Selective remote control system |
| NL225651A (xx) * | 1951-05-10 | |||
| NL232402A (xx) * | 1957-10-23 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL11285C (xx) * | 1920-12-20 | |||
| FR543176A (fr) * | 1921-03-22 | 1922-08-29 | Radio Electr Soc Fr | Sélecteur d'appel |
| US1595241A (en) * | 1923-11-26 | 1926-08-10 | Robert O Nelson | Automatic phonograph |
| US1888904A (en) * | 1928-10-16 | 1932-11-22 | Brauer Ernst | Station calling device |
| US2072079A (en) * | 1933-10-13 | 1937-03-02 | Gen Railway Signal Co | Centralized traffic controlling system for railroads |
| US2141551A (en) * | 1936-08-01 | 1938-12-27 | Gen Railway Signal Co | Centralized traffic controlling system for railroads |
| US2194559A (en) * | 1937-04-28 | 1940-03-26 | Rca Corp | Frequency responsive relay |
| US2276646A (en) * | 1939-01-18 | 1942-03-17 | Westinghouse Electric & Mfg Co | Supervisory control system |
| US2230486A (en) * | 1939-06-15 | 1941-02-04 | Lyndon A Durant | Selector mechanism |
| US2238976A (en) * | 1940-07-29 | 1941-04-22 | Carl F Huebotter | Remote control sound record reproducing system |
| US2306654A (en) * | 1941-05-28 | 1942-12-29 | Rock Ola Mfg Corp | Phonograph |
| US2368826A (en) * | 1942-05-11 | 1945-02-06 | Gen Railway Signal Co | Centralized traffic controlling system for railroads |
| US2399738A (en) * | 1944-03-29 | 1946-05-07 | Gen Railway Signal Co | Centralized traffic controlling system for railroads |
-
0
- NL NL65337D patent/NL65337C/xx active
- BE BE460890D patent/BE460890A/xx unknown
-
1944
- 1944-12-11 CH CH257252D patent/CH257252A/de unknown
-
1945
- 1945-03-20 US US583696A patent/US2489638A/en not_active Expired - Lifetime
- 1945-08-22 FR FR913552D patent/FR913552A/fr not_active Expired
-
1946
- 1946-11-09 AT AT163570D patent/AT163570B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| AT163570B (de) | 1949-07-25 |
| CH257252A (de) | 1948-09-30 |
| FR913552A (fr) | 1946-09-13 |
| BE460890A (xx) | |
| US2489638A (en) | 1949-11-29 |