FR963277A - - Google Patents
Info
- Publication number
- FR963277A FR963277A FR963277DA FR963277A FR 963277 A FR963277 A FR 963277A FR 963277D A FR963277D A FR 963277DA FR 963277 A FR963277 A FR 963277A
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL130519 | 1947-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR963277A true FR963277A (ru) | 1950-07-05 |
Family
ID=19750410
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR961481D Expired FR961481A (ru) | 1947-02-21 | ||
| FR963277D Expired FR963277A (ru) | 1947-02-21 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR961481D Expired FR961481A (ru) | 1947-02-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2496784A (ru) |
| CH (1) | CH265981A (ru) |
| DE (1) | DE841924C (ru) |
| FR (2) | FR963277A (ru) |
| GB (1) | GB656189A (ru) |
| NL (1) | NL69785C (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL80217C (ru) * | 1950-06-15 | |||
| DE931711C (de) * | 1950-08-27 | 1955-08-16 | Lorenz C Ag | Empfaenger fuer Wechselstromimpulse |
| DE973493C (de) * | 1950-09-28 | 1960-03-10 | Philips Nv | Einseitenbandtraegerfrequenzfernsprechsystem |
| NL92529C (ru) * | 1952-04-09 | |||
| DE939820C (de) * | 1952-05-06 | 1956-03-01 | Siemens Ag | Schaltungsanordnung zum Empfang von Spannungen einer oder mehrerer Signalfrequenzen |
| FI104995B (fi) | 1999-01-28 | 2000-05-15 | Halton Oy | Kaasumaista väliainetta kuten ilmavirtausta säätävän venttiilin säädinrakenne |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL26143C (ru) * | 1927-01-04 | |||
| US2018464A (en) * | 1930-06-07 | 1935-10-22 | Bell Telephone Labor Inc | Voice operated transmission circuit |
| FR812623A (fr) * | 1936-01-16 | 1937-05-13 | Applic Telephoniques Soc D | Dispositif pour la réception et la retransmission des signaux dans les lignes téléphoniques à longue distance |
| US2145053A (en) * | 1936-11-18 | 1939-01-24 | Bell Telephone Labor Inc | Signaling system |
| US2199179A (en) * | 1936-11-27 | 1940-04-30 | Rca Corp | Single channel two-way communication system |
| US2251958A (en) * | 1937-01-29 | 1941-08-12 | Hartford Nat Bank & Trust Co | Telephony |
| US2164185A (en) * | 1937-05-22 | 1939-06-27 | Great Lakes Pipe Line Company | Voice operated repeater |
| GB495162A (en) * | 1938-02-22 | 1938-11-08 | Arthur Reginald Albert Rendall | Improvements in and relating to alternating current signalling systems |
| BE434364A (ru) * | 1938-05-16 | |||
| US2371291A (en) * | 1939-08-14 | 1945-03-13 | Transmission system | |
| US2366011A (en) * | 1941-07-23 | 1944-12-26 | Kellogg Switchboard & Supply | Two-way amplifier |
| US2319306A (en) * | 1941-10-31 | 1943-05-18 | Bell Telephone Labor Inc | Signaling system |
-
0
- NL NL69785D patent/NL69785C/xx active
- FR FR961481D patent/FR961481A/fr not_active Expired
- FR FR963277D patent/FR963277A/fr not_active Expired
-
1948
- 1948-01-23 US US3964A patent/US2496784A/en not_active Expired - Lifetime
- 1948-02-19 CH CH265981D patent/CH265981A/de unknown
- 1948-02-19 GB GB4868/48A patent/GB656189A/en not_active Expired
- 1948-12-14 DE DEP24581A patent/DE841924C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE841924C (de) | 1952-06-19 |
| US2496784A (en) | 1950-02-07 |
| FR961481A (ru) | 1950-05-12 |
| NL69785C (ru) | |
| CH265981A (de) | 1949-12-31 |
| GB656189A (en) | 1951-08-15 |