JPS5526795A - Radio station for collecting information from plural transmission stations - Google Patents
Radio station for collecting information from plural transmission stationsInfo
- Publication number
- JPS5526795A JPS5526795A JP5978679A JP5978679A JPS5526795A JP S5526795 A JPS5526795 A JP S5526795A JP 5978679 A JP5978679 A JP 5978679A JP 5978679 A JP5978679 A JP 5978679A JP S5526795 A JPS5526795 A JP S5526795A
- Authority
- JP
- Japan
- Prior art keywords
- radio station
- collecting information
- transmission stations
- plural transmission
- plural
- Prior art date
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
- H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Mobile Radio Communication Systems (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Burglar Alarm Systems (AREA)
- Superheterodyne Receivers (AREA)
- Communication Control (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7814626 | 1978-05-17 | ||
FR7814626A FR2426367A1 (en) | 1978-05-17 | 1978-05-17 | Receiver for radio beacon signals - uses programmable frequency synthesiser as local oscillator for mixing with satellite signals |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5526795A true JPS5526795A (en) | 1980-02-26 |
JPS6013620B2 JPS6013620B2 (en) | 1985-04-08 |
Family
ID=9208342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54059786A Expired JPS6013620B2 (en) | 1978-05-17 | 1979-05-17 | Wireless device for collecting information from multiple transmitting stations |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6013620B2 (en) |
CA (1) | CA1142237A (en) |
DE (3) | DE2919839C2 (en) |
FR (1) | FR2426367A1 (en) |
NO (3) | NO148505C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016503980A (en) * | 2012-12-14 | 2016-02-08 | タレス | Radio frequency signal receiver designed to be installed on a satellite |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984769A (en) * | 1956-07-26 | 1976-10-05 | American Standard, Inc. | Mixed-base intercept receiver |
FR1605302A (en) * | 1958-08-26 | 1974-08-02 | ||
US3042800A (en) | 1960-07-01 | 1962-07-03 | Hughes Aircraft Co | Selective automatic gain control circuit |
US3173087A (en) * | 1961-04-03 | 1965-03-09 | Collins Radio Co | Radio search and intercept system including serially connected frequency determining units with increasing passbands |
GB1581525A (en) * | 1976-08-04 | 1980-12-17 | Plessey Co Ltd | Frequency synthesis control system |
-
1978
- 1978-05-17 FR FR7814626A patent/FR2426367A1/en active Granted
-
1979
- 1979-05-14 CA CA000327560A patent/CA1142237A/en not_active Expired
- 1979-05-16 DE DE2919839A patent/DE2919839C2/en not_active Expired
- 1979-05-16 NO NO791642A patent/NO148505C/en unknown
- 1979-05-16 DE DE2953957A patent/DE2953957C2/en not_active Expired
- 1979-05-16 DE DE2953958A patent/DE2953958C2/de not_active Expired
- 1979-05-17 JP JP54059786A patent/JPS6013620B2/en not_active Expired
-
1982
- 1982-10-04 NO NO823328A patent/NO823328L/en unknown
- 1982-10-04 NO NO823329A patent/NO823329L/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016503980A (en) * | 2012-12-14 | 2016-02-08 | タレス | Radio frequency signal receiver designed to be installed on a satellite |
Also Published As
Publication number | Publication date |
---|---|
DE2919839A1 (en) | 1979-12-20 |
DE2953958C2 (en) | 1987-04-30 |
FR2426367B1 (en) | 1982-04-09 |
FR2426367A1 (en) | 1979-12-14 |
NO148505C (en) | 1983-10-19 |
NO823328L (en) | 1979-11-20 |
NO823329L (en) | 1979-11-20 |
NO791642L (en) | 1979-11-20 |
JPS6013620B2 (en) | 1985-04-08 |
CA1142237A (en) | 1983-03-01 |
DE2919839C2 (en) | 1983-03-03 |
NO148505B (en) | 1983-07-11 |
DE2953957C2 (en) | 1986-08-07 |
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