SE404744B - Nivaregulator for frekvensmultiplexsystem - Google Patents
Nivaregulator for frekvensmultiplexsystemInfo
- Publication number
- SE404744B SE404744B SE7511211A SE7511211A SE404744B SE 404744 B SE404744 B SE 404744B SE 7511211 A SE7511211 A SE 7511211A SE 7511211 A SE7511211 A SE 7511211A SE 404744 B SE404744 B SE 404744B
- Authority
- SE
- Sweden
- Prior art keywords
- level regulator
- frequency multiple
- plex system
- multiple plex
- frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
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 |
---|---|---|---|
FR7433786A FR2287811A1 (fr) | 1974-10-08 | 1974-10-08 | Regulateur de niveau de type numerique |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7511211L SE7511211L (sv) | 1976-04-09 |
SE404744B true SE404744B (sv) | 1978-10-23 |
Family
ID=9143850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7511211A SE404744B (sv) | 1974-10-08 | 1975-10-07 | Nivaregulator for frekvensmultiplexsystem |
Country Status (12)
Country | Link |
---|---|
US (1) | US4009350A (xx) |
BE (1) | BE833662A (xx) |
CA (1) | CA1065510A (xx) |
DE (1) | DE2544121A1 (xx) |
DK (1) | DK451675A (xx) |
FR (1) | FR2287811A1 (xx) |
GB (1) | GB1480036A (xx) |
IE (1) | IE41748B1 (xx) |
IT (1) | IT1054319B (xx) |
LU (1) | LU73497A1 (xx) |
NL (1) | NL7511828A (xx) |
SE (1) | SE404744B (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE382730B (sv) * | 1975-04-04 | 1976-02-09 | Ericsson Telefon Ab L M | Minnesenhet for pilotmottagaren i ett berfrekvenssystem |
FR2408943A1 (fr) * | 1977-11-15 | 1979-06-08 | Thomson Csf | Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques |
FR2427743A1 (fr) * | 1978-05-29 | 1979-12-28 | Trt Telecom Radio Electr | Dispositif de surveillance d'un transmultiplexeur |
US4251881A (en) * | 1978-06-05 | 1981-02-17 | Storage Technology Corporation | Centralized automatic gain control circuit |
FR2428348A1 (fr) * | 1978-06-08 | 1980-01-04 | Trt Telecom Radio Electr | Regulateur numerique du niveau d'un signal multiplex en frequence |
JPS5544225A (en) * | 1978-09-25 | 1980-03-28 | Nec Corp | Time sharing gain adjustment circuit |
US4285058A (en) * | 1980-02-26 | 1981-08-18 | Fisher Charles B | Waveform correction by sampling |
GB2116793B (en) * | 1982-03-03 | 1986-01-29 | Perkin Elmer Corp | Variable gain amplifier |
US4637064A (en) * | 1985-04-10 | 1987-01-13 | Harris Corporation | Local area network equalization system and method |
JPS6377226A (ja) * | 1986-09-20 | 1988-04-07 | Fujitsu Ltd | 通信方式 |
US5029162A (en) * | 1990-03-06 | 1991-07-02 | Confertech International | Automatic gain control using root-mean-square circuitry in a digital domain conference bridge for a telephone network |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3223783A (en) * | 1960-05-09 | 1965-12-14 | Fuji Tsushinki Seizo Kk | Time-division multiplex voice-frequency discriminator |
GB1072222A (en) * | 1965-01-13 | 1967-06-14 | Gen Electric Co Ltd | Improvements in or relating to electric circuits for supplying direct current electric signals |
AU407352B2 (en) * | 1965-12-29 | 1970-10-15 | Improvements in automatic gain regulators | |
US3863030A (en) * | 1972-06-01 | 1975-01-28 | Gte Automatic Electric Lab Inc | Pcm tone receiver using digital spectrum analysis |
CA984068A (en) * | 1972-08-10 | 1976-02-17 | Alexander D. Proudfoot | Method and apparatus for detecting the presence of signal components of predetermined frequency in a multi-frequency signal |
US3937899A (en) * | 1975-01-30 | 1976-02-10 | Bell Telephone Laboratories, Incorporated | Tone detector using spectrum parameter estimation |
-
1974
- 1974-10-08 FR FR7433786A patent/FR2287811A1/fr active Granted
-
1975
- 1975-09-22 BE BE1006900A patent/BE833662A/xx unknown
- 1975-09-24 IT IT27579/75A patent/IT1054319B/it active
- 1975-09-30 GB GB39928/75A patent/GB1480036A/en not_active Expired
- 1975-10-02 LU LU73497A patent/LU73497A1/xx unknown
- 1975-10-02 DE DE19752544121 patent/DE2544121A1/de not_active Withdrawn
- 1975-10-06 CA CA237,385A patent/CA1065510A/fr not_active Expired
- 1975-10-06 US US05/620,134 patent/US4009350A/en not_active Expired - Lifetime
- 1975-10-07 DK DK451675A patent/DK451675A/da unknown
- 1975-10-07 SE SE7511211A patent/SE404744B/xx unknown
- 1975-10-07 IE IE2191/75A patent/IE41748B1/en unknown
- 1975-10-08 NL NL7511828A patent/NL7511828A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK451675A (da) | 1976-04-09 |
BE833662A (fr) | 1976-03-22 |
GB1480036A (en) | 1977-07-20 |
IE41748L (en) | 1976-04-08 |
LU73497A1 (xx) | 1976-08-19 |
SE7511211L (sv) | 1976-04-09 |
FR2287811A1 (fr) | 1976-05-07 |
NL7511828A (nl) | 1976-04-12 |
US4009350A (en) | 1977-02-22 |
DE2544121A1 (de) | 1976-04-22 |
IE41748B1 (en) | 1980-03-12 |
CA1065510A (fr) | 1979-10-30 |
FR2287811B1 (xx) | 1977-03-18 |
IT1054319B (it) | 1981-11-10 |
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