DE69232701D1 - Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen - Google Patents
Elektronische Schaltung zum Empfangen von RF modulierten digitalen SignalenInfo
- Publication number
- DE69232701D1 DE69232701D1 DE69232701T DE69232701T DE69232701D1 DE 69232701 D1 DE69232701 D1 DE 69232701D1 DE 69232701 T DE69232701 T DE 69232701T DE 69232701 T DE69232701 T DE 69232701T DE 69232701 D1 DE69232701 D1 DE 69232701D1
- Authority
- DE
- Germany
- Prior art keywords
- receiving
- electronic circuit
- digital signals
- modulated digital
- modulated
- 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
- 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
- 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
- G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- 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
- G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10029—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
- G06K7/10039—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92912571A EP0641450B1 (de) | 1992-05-21 | 1992-05-21 | Elektronisches system und verfahren zur identifizeirung aus der ferne von kodierten gegenständen und ähnlichem |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69232701D1 true DE69232701D1 (de) | 2002-08-29 |
DE69232701T2 DE69232701T2 (de) | 2003-03-13 |
Family
ID=8212392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992632701 Expired - Lifetime DE69232701T2 (de) | 1992-05-21 | 1992-05-21 | Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0917088B1 (de) |
DE (1) | DE69232701T2 (de) |
ES (2) | ES2182218T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1021125C2 (nl) * | 2002-07-22 | 2004-01-23 | Nedap Nv | Schakelende modulator. |
WO2004109583A1 (en) * | 2003-06-06 | 2004-12-16 | Stemco Llc | Wireless communication device, system for communication and communication method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4068232A (en) * | 1976-02-12 | 1978-01-10 | Fairchild Industries, Inc. | Passive encoding microwave transponder |
FR2631725B1 (fr) * | 1988-05-20 | 1990-07-27 | Guena Jean | Systeme radio de transmission de donnees a une extremite passive |
JP3192139B2 (ja) * | 1990-06-14 | 2001-07-23 | 三菱電機株式会社 | 非接触型icカード及び非接触型icカードシステム並びに端末装置と非接触型icカードとの間の信号伝送方法 |
-
1992
- 1992-05-21 DE DE1992632701 patent/DE69232701T2/de not_active Expired - Lifetime
- 1992-05-21 ES ES98203517T patent/ES2182218T3/es not_active Expired - Lifetime
- 1992-05-21 EP EP98203517A patent/EP0917088B1/de not_active Expired - Lifetime
- 1992-05-21 ES ES92912571T patent/ES2139601T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0917088A3 (de) | 1999-11-03 |
ES2182218T3 (es) | 2003-03-01 |
DE69232701T2 (de) | 2003-03-13 |
EP0917088A2 (de) | 1999-05-19 |
EP0917088B1 (de) | 2002-07-24 |
ES2139601T3 (es) | 2000-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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