IT946335B - Metodo ed apparato per sintetizza re la produzione di un onda por tante modulata - Google Patents
Metodo ed apparato per sintetizza re la produzione di un onda por tante modulataInfo
- Publication number
- IT946335B IT946335B IT1907772A IT1907772A IT946335B IT 946335 B IT946335 B IT 946335B IT 1907772 A IT1907772 A IT 1907772A IT 1907772 A IT1907772 A IT 1907772A IT 946335 B IT946335 B IT 946335B
- Authority
- IT
- Italy
- Prior art keywords
- synthesizing
- production
- portable wave
- modulated
- modulated portable
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10466871A | 1971-01-07 | 1971-01-07 | |
| US00196288A US3808558A (en) | 1971-11-08 | 1971-11-08 | Method and apparatus for modulation synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT946335B true IT946335B (it) | 1973-05-21 |
Family
ID=26801812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1907772A IT946335B (it) | 1971-01-07 | 1972-01-05 | Metodo ed apparato per sintetizza re la produzione di un onda por tante modulata |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA955334A (it) |
| CH (1) | CH561481A5 (it) |
| DE (1) | DE2200374A1 (it) |
| FR (1) | FR2123307B1 (it) |
| GB (1) | GB1334201A (it) |
| IT (1) | IT946335B (it) |
| NL (1) | NL7200243A (it) |
| SE (1) | SE373710B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3174523D1 (en) * | 1981-11-05 | 1986-06-05 | Hewlett Packard Co | Digital amplitude modulating circuitry |
-
1971
- 1971-12-31 CA CA131,491A patent/CA955334A/en not_active Expired
-
1972
- 1972-01-05 IT IT1907772A patent/IT946335B/it active
- 1972-01-05 DE DE19722200374 patent/DE2200374A1/de active Pending
- 1972-01-05 GB GB45272A patent/GB1334201A/en not_active Expired
- 1972-01-06 CH CH16872A patent/CH561481A5/xx not_active IP Right Cessation
- 1972-01-06 FR FR7200284A patent/FR2123307B1/fr not_active Expired
- 1972-01-07 SE SE16772A patent/SE373710B/xx unknown
- 1972-01-07 NL NL7200243A patent/NL7200243A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA955334A (en) | 1974-09-24 |
| NL7200243A (it) | 1972-07-11 |
| SE373710B (sv) | 1975-02-10 |
| CH561481A5 (it) | 1975-04-30 |
| DE2200374A1 (de) | 1972-08-03 |
| FR2123307A1 (it) | 1972-09-08 |
| GB1334201A (en) | 1973-10-17 |
| FR2123307B1 (it) | 1976-07-23 |
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