BE508994A - - Google Patents
Info
- Publication number
- BE508994A BE508994A BE508994DA BE508994A BE 508994 A BE508994 A BE 508994A BE 508994D A BE508994D A BE 508994DA BE 508994 A BE508994 A BE 508994A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/4872—Non-interactive information services
- H04M3/4876—Time announcements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US724278XA | 1951-02-13 | 1951-02-13 | |
| US210733A US2776341A (en) | 1951-02-13 | 1951-02-13 | Time announcing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508994A true BE508994A (en) |
Family
ID=34840744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508994D BE508994A (en) | 1951-02-13 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2776341A (en) |
| BE (1) | BE508994A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2905769A (en) * | 1955-08-30 | 1959-09-22 | Gen Telephone Lab Inc | Time announcing system |
| US2913538A (en) * | 1956-10-16 | 1959-11-17 | Genevay Jacques | Automatically repeating talking machine |
| US3117184A (en) * | 1960-08-26 | 1964-01-07 | Automatic Elect Lab | Switching arrangements for announcing systems |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1227523A (en) * | 1913-07-07 | 1917-05-22 | Automatic Electric Co | Phonographic time-announcer. |
| US1936700A (en) * | 1932-04-11 | 1933-11-28 | John W Wells | Method of and apparatus for giving audible time signals |
| US2213631A (en) * | 1937-10-25 | 1940-09-03 | Heller | Method of and apparatus for magnetically recording sound |
| US2297187A (en) * | 1939-05-09 | 1942-09-29 | Manfred J Johnson | Potentiometer |
| US2306614A (en) * | 1940-10-01 | 1942-12-29 | Gray Mfg Co | Correction, comment, and finish marking system for dictation machines |
| US2396409A (en) * | 1944-06-23 | 1946-03-12 | Stanley Arndt | System for selecting recorded messages |
| BE467579A (en) * | 1945-08-03 | |||
| US2670212A (en) * | 1946-02-23 | 1954-02-23 | Heller | Sound recording and reproduction system |
| FR960018A (en) * | 1947-01-23 | 1950-04-12 | ||
| US2488482A (en) * | 1947-10-15 | 1949-11-15 | David S Swarthout | Recording and transcribing mechanism |
| USRE23522E (en) * | 1949-01-28 | 1952-07-15 | Time announcing system | |
| US2611037A (en) * | 1949-04-28 | 1952-09-16 | Soundseriber Corp | Dictating machine with combined hand microphone and control means |
| US2641654A (en) * | 1949-05-31 | 1953-06-09 | Raymond W Gregg | Combination chronometer and sound reproducing instrument |
-
0
- BE BE508994D patent/BE508994A/xx unknown
-
1951
- 1951-02-13 US US210733A patent/US2776341A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2776341A (en) | 1957-01-01 |