FR2193294B1 - - Google Patents
Info
- Publication number
- FR2193294B1 FR2193294B1 FR7325874A FR7325874A FR2193294B1 FR 2193294 B1 FR2193294 B1 FR 2193294B1 FR 7325874 A FR7325874 A FR 7325874A FR 7325874 A FR7325874 A FR 7325874A FR 2193294 B1 FR2193294 B1 FR 2193294B1
- 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
- H04J1/18—Frequency-division multiplex systems in which all the carriers are amplitude-modulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00271738A US3806655A (en) | 1972-07-14 | 1972-07-14 | System carrier equipment employing phase shift method of ssb generation and reception |
| US00271737A US3804988A (en) | 1972-07-14 | 1972-07-14 | Carrier system for efficient connection of telephone subscribers to central office |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2193294A1 FR2193294A1 (US07321065-20080122-C00160.png) | 1974-02-15 |
| FR2193294B1 true FR2193294B1 (US07321065-20080122-C00160.png) | 1979-07-13 |
Family
ID=26955095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7325874A Expired FR2193294B1 (US07321065-20080122-C00160.png) | 1972-07-14 | 1973-07-13 |
Country Status (11)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045624A (en) * | 1976-04-02 | 1977-08-30 | Carrier Telephone Corporation Of America, Inc. | Continuous monitoring in carrier telephone systems |
| FR2363244A1 (fr) * | 1976-08-26 | 1978-03-24 | Thomson Csf | Systeme de transmission bilaterale entre une station principale et des stations secondaires |
| US4049914A (en) * | 1976-08-30 | 1977-09-20 | Rockwell International Corporation | Frequency division multiplex voice communication apparatus with hierarchy of stations |
| GB1540907A (en) * | 1976-12-07 | 1979-02-21 | Standard Telephones Cables Ltd | System for obtaining data from a plurality of condition responsive optical devices |
| US4230910A (en) * | 1978-08-11 | 1980-10-28 | Tii Corporation | Signalling and channel loop test circuits for station carrier telephone system |
| US4234950A (en) * | 1979-04-25 | 1980-11-18 | Sidney Browne | Telephone station carrier system |
| JPS60101769A (ja) * | 1983-11-09 | 1985-06-05 | Hitachi Ltd | 信号伝送装置 |
| US5159613A (en) * | 1990-04-02 | 1992-10-27 | William Beaumont Hospital | Side-band generator |
| FR2667750A1 (fr) * | 1990-10-05 | 1992-04-10 | Philips Electro Grand Public | Reseau cable et dispositif modulateur-demodulateur pour un tel reseau. |
| US5247515A (en) * | 1991-01-28 | 1993-09-21 | Rockwell International Corporation | Apparatus for extracting one from many multiplexed signals |
| DE4228407C2 (de) * | 1992-08-26 | 1994-06-30 | Ant Nachrichtentech | Teilnehmer für eine Gesellschaftsleitung sowie Verfahren zum Aufbau einer Verbindung zwischen Teilnehmern einer Gesellschaftsleitung |
| SE519541C2 (sv) * | 1996-10-02 | 2003-03-11 | Ericsson Telefon Ab L M | Förfarande och anordning för transformering av en reell digital bredbandig bandpassignal till en uppsättning digitala basbandssignaler med I- och Q-komponenter |
| US6546061B2 (en) | 1996-10-02 | 2003-04-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal transformation method and apparatus |
| DE10154995A1 (de) * | 2001-11-08 | 2003-06-05 | Eads Deutschland Gmbh | Mischerschaltung mit Vorverstärker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721897A (en) * | 1951-01-13 | 1955-10-25 | Bell Telephone Labor Inc | Carrier wave communication system |
| GB946249A (en) * | 1960-12-02 | 1964-01-08 | Ass Elect Ind | Improvements relating to circuit arrangements for frequency translating a.c. signals |
| DE1256709B (de) * | 1964-08-17 | 1967-12-21 | Standard Elektrik Lorenz Ag | Verfahren zur Frequenzstabilisierung der Traeger durch Mituebertragen einer Steuerfrequenz in Traegerfrequenzsystemen |
| US3475561A (en) * | 1965-09-29 | 1969-10-28 | Superior Continental Corp | Telephone carrier system having selfcontained independently attachable line tap units |
| US3450842A (en) * | 1965-10-22 | 1969-06-17 | Nasa | Doppler frequency spread correction device for multiplex transmissions |
| US3550131A (en) * | 1967-12-27 | 1970-12-22 | Bell Telephone Labor Inc | Digitalized phase locked loop double carrier transmission system |
| FR1592098A (US07321065-20080122-C00160.png) * | 1968-03-15 | 1970-05-11 | ||
| US3548106A (en) * | 1969-07-24 | 1970-12-15 | Anaconda Wire & Cable Co | Rural subscriber telephone system |
-
1972
- 1972-07-14 US US00271737A patent/US3804988A/en not_active Expired - Lifetime
- 1972-07-14 US US00271738A patent/US3806655A/en not_active Expired - Lifetime
-
1973
- 1973-07-07 DE DE2334650A patent/DE2334650C3/de not_active Expired
- 1973-07-10 GB GB3291573A patent/GB1444258A/en not_active Expired
- 1973-07-10 AT AT604273A patent/ATA604273A/de not_active Application Discontinuation
- 1973-07-11 NL NL7309656.A patent/NL161946C/xx not_active IP Right Cessation
- 1973-07-12 BE BE133423A patent/BE802278A/xx not_active IP Right Cessation
- 1973-07-12 SE SE7309843A patent/SE391096B/xx unknown
- 1973-07-12 CA CA176,269A patent/CA1030675A/en not_active Expired
- 1973-07-13 FR FR7325874A patent/FR2193294B1/fr not_active Expired
- 1973-07-14 JP JP7895373A patent/JPS5415721B2/ja not_active Expired
- 1973-07-16 IT IT26632/73A patent/IT998241B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1030675A (en) | 1978-05-02 |
| SE391096B (sv) | 1977-01-31 |
| FR2193294A1 (US07321065-20080122-C00160.png) | 1974-02-15 |
| NL161946B (nl) | 1979-10-15 |
| DE2334650B2 (de) | 1979-10-11 |
| JPS5415721B2 (US07321065-20080122-C00160.png) | 1979-06-16 |
| AU5781673A (en) | 1975-01-09 |
| NL161946C (nl) | 1980-03-17 |
| DE2334650C3 (de) | 1980-06-26 |
| IT998241B (it) | 1976-01-20 |
| NL7309656A (US07321065-20080122-C00160.png) | 1974-01-16 |
| ATA604273A (de) | 1979-10-15 |
| DE2334650A1 (de) | 1974-02-14 |
| US3804988A (en) | 1974-04-16 |
| JPS4960111A (US07321065-20080122-C00160.png) | 1974-06-11 |
| BE802278A (fr) | 1973-11-05 |
| US3806655A (en) | 1974-04-23 |
| GB1444258A (en) | 1976-07-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |