FR2080581B1 - - Google Patents
Info
- Publication number
- FR2080581B1 FR2080581B1 FR7100142A FR7100142A FR2080581B1 FR 2080581 B1 FR2080581 B1 FR 2080581B1 FR 7100142 A FR7100142 A FR 7100142A FR 7100142 A FR7100142 A FR 7100142A FR 2080581 B1 FR2080581 B1 FR 2080581B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/04—Adaptation for subterranean or subaqueous use
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
- G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for forming integrals of products, e.g. Fourier integrals, Laplace integrals or correlation integrals; for analysis or synthesis of functions using orthogonal functions
- G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for forming integrals of products, e.g. Fourier integrals, Laplace integrals or correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/203—Leaky coaxial lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/28—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Waveguide Aerials (AREA)
- Communication Cables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE85381 | 1970-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2080581A1 FR2080581A1 (OSRAM) | 1971-11-19 |
| FR2080581B1 true FR2080581B1 (OSRAM) | 1974-10-11 |
Family
ID=3841321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7100142A Expired FR2080581B1 (OSRAM) | 1970-02-18 | 1971-01-05 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS553855B1 (OSRAM) |
| BE (1) | BE746177A (OSRAM) |
| CA (1) | CA931238A (OSRAM) |
| DE (1) | DE2104467C3 (OSRAM) |
| FR (1) | FR2080581B1 (OSRAM) |
| GB (1) | GB1327864A (OSRAM) |
| LU (1) | LU62476A1 (OSRAM) |
| NL (1) | NL149047B (OSRAM) |
| ZA (1) | ZA71950B (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE834291A (fr) * | 1975-10-07 | 1976-02-02 | Systeme de radiocommunications pour milieux confines | |
| DE3004882A1 (de) * | 1980-02-09 | 1981-08-20 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Abstrahlendes koaxiales hochfrequenz-kabel |
| GB2212985A (en) * | 1987-12-01 | 1989-08-02 | Alison Microsystems Limited | Slotted antenna |
| GB2235336B (en) * | 1989-06-23 | 1994-05-11 | Hunting Eng Ltd | Communication via leaky cables |
| FR2659512B1 (fr) * | 1990-03-09 | 1994-04-29 | Cogema | Installation de communication en hyperfrequences. |
| GB2415544B (en) * | 2004-06-25 | 2006-11-29 | Motorola Inc | RF communication device and method of using it and antenna and antenna construction for use in the device and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2455224A (en) * | 1944-06-16 | 1948-11-30 | Buchwalter Louise | Antenna |
| US3364489A (en) * | 1964-09-17 | 1968-01-16 | Melpar Inc | Traveling wave antenna having radiator elements with doubly periodic spacing |
-
1970
- 1970-02-18 BE BE746177D patent/BE746177A/xx not_active IP Right Cessation
-
1971
- 1971-01-05 FR FR7100142A patent/FR2080581B1/fr not_active Expired
- 1971-01-22 LU LU62476D patent/LU62476A1/xx unknown
- 1971-01-29 CA CA104079A patent/CA931238A/en not_active Expired
- 1971-02-01 DE DE2104467A patent/DE2104467C3/de not_active Expired
- 1971-02-15 NL NL717101966A patent/NL149047B/xx not_active IP Right Cessation
- 1971-02-15 ZA ZA710950A patent/ZA71950B/xx unknown
- 1971-02-18 JP JP731471A patent/JPS553855B1/ja active Pending
- 1971-04-19 GB GB2198071A patent/GB1327864A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2104467C3 (de) | 1978-09-07 |
| GB1327864A (en) | 1973-08-22 |
| FR2080581A1 (OSRAM) | 1971-11-19 |
| CA931238A (en) | 1973-07-31 |
| LU62476A1 (OSRAM) | 1971-08-11 |
| JPS553855B1 (OSRAM) | 1980-01-28 |
| DE2104467A1 (de) | 1971-08-26 |
| ZA71950B (en) | 1971-12-29 |
| DE2104467B2 (de) | 1973-04-05 |
| BE746177A (fr) | 1970-08-18 |
| NL7101966A (OSRAM) | 1971-08-20 |
| NL149047B (nl) | 1976-03-15 |