SE391096B - Sett att senda och mottaga signaler i ett bervagstelefonsystem samt anordning for genomforande avÿsettet - Google Patents
Sett att senda och mottaga signaler i ett bervagstelefonsystem samt anordning for genomforande avÿsettetInfo
- Publication number
- SE391096B SE391096B SE7309843A SE7309843A SE391096B SE 391096 B SE391096 B SE 391096B SE 7309843 A SE7309843 A SE 7309843A SE 7309843 A SE7309843 A SE 7309843A SE 391096 B SE391096 B SE 391096B
- Authority
- SE
- Sweden
- Prior art keywords
- implementing
- sending
- telephone system
- receiving signals
- delivery telephone
- Prior art date
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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (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 |
---|---|---|---|
US00271737A US3804988A (en) | 1972-07-14 | 1972-07-14 | Carrier system for efficient connection of telephone subscribers to central office |
US00271738A US3806655A (en) | 1972-07-14 | 1972-07-14 | System carrier equipment employing phase shift method of ssb generation and reception |
Publications (1)
Publication Number | Publication Date |
---|---|
SE391096B true SE391096B (sv) | 1977-01-31 |
Family
ID=26955095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7309843A SE391096B (sv) | 1972-07-14 | 1973-07-12 | Sett att senda och mottaga signaler i ett bervagstelefonsystem samt anordning for genomforande avÿsettet |
Country Status (11)
Country | Link |
---|---|
US (2) | US3806655A (tr) |
JP (1) | JPS5415721B2 (tr) |
AT (1) | ATA604273A (tr) |
BE (1) | BE802278A (tr) |
CA (1) | CA1030675A (tr) |
DE (1) | DE2334650C3 (tr) |
FR (1) | FR2193294B1 (tr) |
GB (1) | GB1444258A (tr) |
IT (1) | IT998241B (tr) |
NL (1) | NL161946C (tr) |
SE (1) | SE391096B (tr) |
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 (tr) * | 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 US00271738A patent/US3806655A/en not_active Expired - Lifetime
- 1972-07-14 US US00271737A patent/US3804988A/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 SE SE7309843A patent/SE391096B/xx unknown
- 1973-07-12 BE BE133423A patent/BE802278A/xx not_active IP Right Cessation
- 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 |
---|---|
NL7309656A (tr) | 1974-01-16 |
BE802278A (fr) | 1973-11-05 |
CA1030675A (en) | 1978-05-02 |
US3806655A (en) | 1974-04-23 |
AU5781673A (en) | 1975-01-09 |
FR2193294B1 (tr) | 1979-07-13 |
JPS4960111A (tr) | 1974-06-11 |
DE2334650A1 (de) | 1974-02-14 |
GB1444258A (en) | 1976-07-28 |
FR2193294A1 (tr) | 1974-02-15 |
IT998241B (it) | 1976-01-20 |
NL161946B (nl) | 1979-10-15 |
JPS5415721B2 (tr) | 1979-06-16 |
NL161946C (nl) | 1980-03-17 |
DE2334650C3 (de) | 1980-06-26 |
ATA604273A (de) | 1979-10-15 |
DE2334650B2 (de) | 1979-10-11 |
US3804988A (en) | 1974-04-16 |
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