IT1202746B - Impianto di trasmissione di segnali di pilota - Google Patents
Impianto di trasmissione di segnali di pilotaInfo
- Publication number
- IT1202746B IT1202746B IT23802/78A IT2380278A IT1202746B IT 1202746 B IT1202746 B IT 1202746B IT 23802/78 A IT23802/78 A IT 23802/78A IT 2380278 A IT2380278 A IT 2380278A IT 1202746 B IT1202746 B IT 1202746B
- Authority
- IT
- Italy
- Prior art keywords
- transmission system
- pilot signals
- signals transmission
- pilot
- transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/60—Supervising unattended repeaters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6194077A JPS5412205A (en) | 1977-05-26 | 1977-05-26 | Pilot-signal transmission system |
JP6860277A JPS5412212A (en) | 1977-06-09 | 1977-06-09 | Pilot-signal relaying system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7823802A0 IT7823802A0 (it) | 1978-05-25 |
IT1202746B true IT1202746B (it) | 1989-02-09 |
Family
ID=26403031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23802/78A IT1202746B (it) | 1977-05-26 | 1978-05-25 | Impianto di trasmissione di segnali di pilota |
Country Status (4)
Country | Link |
---|---|
US (1) | US4197496A (it) |
BR (1) | BR7803316A (it) |
IT (1) | IT1202746B (it) |
MX (1) | MX144542A (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912773A (en) * | 1982-09-21 | 1990-03-27 | General Electric Company | Communications system utilizing a pilot signal and a modulated signal |
US4479245A (en) * | 1982-12-21 | 1984-10-23 | Motorola, Inc. | Same frequency repeater for a multiple repeater system |
JPS60103832A (ja) * | 1983-11-11 | 1985-06-08 | Fujitsu Ltd | デジタル無線中継方法 |
JPS60107936A (ja) * | 1983-11-16 | 1985-06-13 | Fujitsu Ltd | デイジタル無線中継装置 |
DE3939484C2 (de) * | 1989-11-29 | 1996-09-26 | Burkhard Wehrmeyer | Verfahren zum Erzeugen eines von Werbetonsignalen unterbrochenen Unterhaltungstonsignales und Vorrichtung zur Durchführung des Verfahrens |
JPH06268574A (ja) * | 1993-03-11 | 1994-09-22 | Hitachi Ltd | セルラ移動通信システム |
US5526343A (en) * | 1994-01-19 | 1996-06-11 | Fujitsu Limited | Auxiliary service channel signal transmission system |
US5712897A (en) * | 1995-12-27 | 1998-01-27 | Nynex Science & Technology | Fault detection in broadband cable systems |
US7020226B1 (en) * | 2002-04-04 | 2006-03-28 | Nortel Networks Limited | I/Q distortion compensation for the reception of OFDM signals |
US8144878B2 (en) | 2006-03-06 | 2012-03-27 | Mediatek Inc. | FM receiver and pilot detector thereof, and method for determining a type of a processed signal |
US20080026441A1 (en) * | 2006-07-26 | 2008-01-31 | Diane Fournier | Production of probiotic bacteria using maple sap |
KR100890634B1 (ko) * | 2006-12-06 | 2009-03-27 | 한국전자통신연구원 | 시분할 이중화 방식의 rf 중계 장치 및 그 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892930A (en) * | 1955-01-10 | 1959-06-30 | Motorola Inc | Communication system |
BE662030A (it) * | 1964-05-04 | 1965-10-05 | ||
NL151596B (nl) * | 1964-10-06 | 1976-11-15 | Philips Nv | Communicatiestelsel voor de tweedraadsoverdracht van signalen tussen een beginpost en een eindpost over een transmissieleiding. |
SE361802B (it) * | 1973-01-31 | 1973-11-12 | Ericsson Telefon Ab L M |
-
1978
- 1978-05-09 MX MX173392A patent/MX144542A/es unknown
- 1978-05-24 US US05/909,084 patent/US4197496A/en not_active Expired - Lifetime
- 1978-05-24 BR BR7803316A patent/BR7803316A/pt not_active IP Right Cessation
- 1978-05-25 IT IT23802/78A patent/IT1202746B/it active
Also Published As
Publication number | Publication date |
---|---|
IT7823802A0 (it) | 1978-05-25 |
US4197496A (en) | 1980-04-08 |
BR7803316A (pt) | 1978-12-19 |
MX144542A (es) | 1981-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970527 |