FR959719A - - Google Patents
Info
- Publication number
- FR959719A FR959719A FR959719DA FR959719A FR 959719 A FR959719 A FR 959719A FR 959719D A FR959719D A FR 959719DA FR 959719 A FR959719 A FR 959719A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2426222X | 1941-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959719A true FR959719A (xx) | 1950-04-04 |
Family
ID=9685332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959719D Expired FR959719A (xx) | 1941-10-27 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2426222A (xx) |
| FR (1) | FR959719A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3875339A (en) * | 1972-09-05 | 1975-04-01 | I I Communications Inc | Variable bandwidth voice and data telephone communication system |
| DE3735781A1 (de) * | 1987-10-22 | 1989-05-03 | Grundig Emv | Verfahren zur sprachverschluesselung mit gleichzeitiger datenuebertragung in schmalbandigen uebertragungssystemen |
| HU201179B (en) * | 1989-08-16 | 1990-09-28 | Akkumulator Es Szarazelemgyar | Method for making active mass of improved quality from the wastes of active mass of the production of lead-accumulator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1998824A (en) * | 1932-06-10 | 1935-04-23 | Bell Telephone Labor Inc | Method and system of speech transmission |
| US2150241A (en) * | 1935-02-23 | 1939-03-14 | Ibm | Communication system |
| US2106352A (en) * | 1935-03-15 | 1938-01-25 | Bell Telephone Labor Inc | Teletypewriter station |
| US2121287A (en) * | 1937-03-03 | 1938-06-21 | American Telephone & Telegraph | Composite set |
| US2300775A (en) * | 1940-08-31 | 1942-11-03 | Bell Telephone Labor Inc | Communication system |
| US2323880A (en) * | 1940-12-26 | 1943-07-06 | Zenith Radio Corp | Wave amplitude limiting device |
| US2332494A (en) * | 1942-04-23 | 1943-10-26 | Bell Telephone Labor Inc | Signaling system |
-
0
- FR FR959719D patent/FR959719A/fr not_active Expired
-
1943
- 1943-02-12 US US475687A patent/US2426222A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2426222A (en) | 1947-08-26 |