FR2624677B1 - TWO-WAY HERTZIAN LINK SYSTEM - Google Patents
TWO-WAY HERTZIAN LINK SYSTEMInfo
- Publication number
- FR2624677B1 FR2624677B1 FR8717219A FR8717219A FR2624677B1 FR 2624677 B1 FR2624677 B1 FR 2624677B1 FR 8717219 A FR8717219 A FR 8717219A FR 8717219 A FR8717219 A FR 8717219A FR 2624677 B1 FR2624677 B1 FR 2624677B1
- Authority
- FR
- France
- Prior art keywords
- way
- link system
- hertzian
- hertzian link
- way hertzian
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Near-Field Transmission Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8717219A FR2624677B1 (en) | 1987-12-10 | 1987-12-10 | TWO-WAY HERTZIAN LINK SYSTEM |
FR8914048A FR2653955A2 (en) | 1987-12-10 | 1989-10-26 | Alternate bi-directional (half-duplex) radio link system with sub-carrier modulation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8717219A FR2624677B1 (en) | 1987-12-10 | 1987-12-10 | TWO-WAY HERTZIAN LINK SYSTEM |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2624677A1 FR2624677A1 (en) | 1989-06-16 |
FR2624677B1 true FR2624677B1 (en) | 1994-04-01 |
Family
ID=9357725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8717219A Expired - Lifetime FR2624677B1 (en) | 1987-12-10 | 1987-12-10 | TWO-WAY HERTZIAN LINK SYSTEM |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2624677B1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650905B1 (en) * | 1989-08-08 | 1994-08-26 | Guena Jean | RADIO SYSTEM FOR TRANSMITTING DATA TO A LOW COST PASSIVE END |
JPH03113387A (en) * | 1989-09-27 | 1991-05-14 | Nippon Soken Inc | Transponder for moving body identifying device |
EP0425382A1 (en) * | 1989-10-26 | 1991-05-02 | Societe De Fabrication D'instruments De Mesure (S.F.I.M.) | Alternated bi-directional radio link system using a modulated subcarrier |
JPH03147085A (en) * | 1989-11-01 | 1991-06-24 | Toshiba Corp | Portable information recording medium and information processor |
FR2660438B1 (en) * | 1990-03-27 | 1992-08-07 | Thomson Composants Microondes | ACTIVE TWO-WAY TRANSMISSION ANTENNA. |
FR2663145B1 (en) * | 1990-06-06 | 1994-05-13 | Fontaine Sa | REMOTE IDENTIFICATION "HANDSFREE" DEVICE. |
FR2669475B1 (en) * | 1990-11-16 | 1993-01-22 | Thomson Composants Microondes | MODEM FOR MICROWAVE BADGE WITH REFLECTION AMPLIFIER. |
IT1244988B (en) * | 1991-01-10 | 1994-09-13 | Green Bit S N C Di Bargero Pao | INTELLIGENT CARD FOR TRANSCEIVING INFORMATION, AND ITS USE IN A SYSTEM OF MANAGEMENT OF MULTI-PURPOSE STRUCTURES |
US5550358A (en) * | 1991-01-31 | 1996-08-27 | Tait; Robert A. R. | Non-contacting transaction system |
DE4107803A1 (en) * | 1991-03-11 | 1992-09-17 | Ant Nachrichtentech | ARRANGEMENT FOR LOCALIZING OBJECTS AND EXCHANGING DATA WITH THESE OBJECTS |
US5552790A (en) * | 1992-01-23 | 1996-09-03 | Saab-Scania Combitech Aktiebolag | Device for wireless transfer of information |
DE4307214A1 (en) * | 1993-03-08 | 1994-09-15 | Sel Alcatel Ag | Road toll charging system |
AT400775B (en) * | 1993-05-03 | 1996-03-25 | Skidata Gmbh | SINGLE DEVICE ON A PASSAGE |
FR2706056B1 (en) * | 1993-06-04 | 1995-08-11 | Decaux Jean Claude | Payment system for transport network. |
ATE190404T1 (en) * | 1993-08-23 | 2000-03-15 | Siemens Schweiz Ag | METHOD AND CIRCUIT ARRANGEMENTS FOR DATA TRANSMISSION BETWEEN AN INQUIRY STATION AND A RESPONSIVE STATION |
FR2726385B1 (en) * | 1994-10-28 | 1997-01-03 | Hello | MICROCIRCUIT CARD ACCESS CONTROL SYSTEM, PARTICULARLY FOR MANAGING ACCESS TO URBAN AREAS WITH LIMITED MOTOR VEHICLE CIRCULATION |
DE19831767C2 (en) | 1998-07-15 | 2002-03-28 | Skidata Ag | Passage control device for contactless data carriers |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001822A (en) * | 1974-05-28 | 1977-01-04 | Rca Corporation | Electronic license plate for motor vehicles |
GB1500289A (en) * | 1974-06-03 | 1978-02-08 | Rca Corp | Homodyne communication system |
DE3050223A1 (en) * | 1980-02-29 | 1982-06-03 | E Shapiro | METHOD OF TRANSMISSION OF COMMUNICATIONS FROM A TRANSPONDER TO AN INTERROGATOR AND SECONDARY RADAR SYSTEM FOR ITS IMPLEMENTATION |
EP0170716B1 (en) * | 1984-08-08 | 1990-10-24 | Kabushiki Kaisha Toshiba | Information medium |
-
1987
- 1987-12-10 FR FR8717219A patent/FR2624677B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2624677A1 (en) | 1989-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |