GB8803870D0 - Communication system - Google Patents
Communication systemInfo
- Publication number
- GB8803870D0 GB8803870D0 GB888803870A GB8803870A GB8803870D0 GB 8803870 D0 GB8803870 D0 GB 8803870D0 GB 888803870 A GB888803870 A GB 888803870A GB 8803870 A GB8803870 A GB 8803870A GB 8803870 D0 GB8803870 D0 GB 8803870D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- communication system
- communication
- 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.)
- Pending
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
- G06K19/0723—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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K11/00—Marking of animals
- A01K11/006—Automatic identification systems for animals, e.g. electronic devices, transponders for animals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
- B61L25/045—Indicating or recording train identities using reradiating tags
-
- 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
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
- G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
- G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
-
- 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
- G06K19/0724—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 the arrangement being a circuit for communicating at a plurality of frequencies, e.g. for managing time multiplexed communication over at least two antennas of different types
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Radar, Positioning & Navigation (AREA)
- Environmental Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Birds (AREA)
- Biodiversity & Conservation Biology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Systems (AREA)
- Noise Elimination (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK110387A DK110387A (en) | 1987-03-03 | 1987-03-03 | COMMUNICATION SYSTEM |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8803870D0 true GB8803870D0 (en) | 1988-03-23 |
GB2202108A GB2202108A (en) | 1988-09-14 |
Family
ID=8101033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08803870A Pending GB2202108A (en) | 1987-03-03 | 1988-02-19 | Transponder identification |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS63229924A (en) |
DE (1) | DE3805343A1 (en) |
DK (1) | DK110387A (en) |
GB (1) | GB2202108A (en) |
NL (1) | NL8800514A (en) |
SE (1) | SE8800724L (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE464844B (en) * | 1989-08-23 | 1991-06-17 | Henoch Bengt | PROCEDURE TO CONTACT TRANSFER TRANSFER INFORMATION BETWEEN A TRANSMITTER / RECEIVER UNIT AND A TRANSPONDER |
JP3018708B2 (en) * | 1992-01-31 | 2000-03-13 | 神鋼電機株式会社 | Wireless communication device |
US5317330A (en) * | 1992-10-07 | 1994-05-31 | Westinghouse Electric Corp. | Dual resonant antenna circuit for RF tags |
US5477215A (en) * | 1993-08-02 | 1995-12-19 | At&T Corp. | Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices |
EP0670558B1 (en) * | 1994-03-04 | 2000-05-03 | NCR International, Inc. | Modulated backscatter wireless communication system having an extended range |
FR2723238B1 (en) * | 1994-07-27 | 1996-09-13 | Suisse Electronique Microtech | COMMUNICATION SYSTEM BETWEEN A BASE STATION AND A PASSIVE TRANSPONDER |
US6650230B1 (en) | 1998-11-19 | 2003-11-18 | Ncr Corporation | Modulated backscatter wireless communication system having an extended range |
DE10021394A1 (en) * | 2000-05-03 | 2001-11-15 | Sab Service Und Fertigung Von | Automatic door for passing animal through has detector of identity device worn by animal within defined range of door, actuator for opening door in response to presence of identity device |
DE102005061438A1 (en) * | 2005-12-22 | 2007-07-05 | Atmel Germany Gmbh | Transponder and method for operating a transponder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3137847A (en) * | 1959-11-04 | 1964-06-16 | Link Aviation Inc | Signalling system |
GB1085704A (en) * | 1964-10-30 | 1967-10-04 | Nat Res Dev | Apparatus for detecting an object |
GB1297279A (en) * | 1969-07-09 | 1972-11-22 | ||
GB1257692A (en) * | 1969-07-28 | 1971-12-22 |
-
1987
- 1987-03-03 DK DK110387A patent/DK110387A/en not_active Application Discontinuation
-
1988
- 1988-02-19 GB GB08803870A patent/GB2202108A/en active Pending
- 1988-02-20 DE DE19883805343 patent/DE3805343A1/en not_active Withdrawn
- 1988-02-29 NL NL8800514A patent/NL8800514A/en not_active Application Discontinuation
- 1988-03-01 JP JP4943988A patent/JPS63229924A/en active Pending
- 1988-03-02 SE SE8800724A patent/SE8800724L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8800724L (en) | 1988-09-04 |
DK110387A (en) | 1988-09-04 |
DK110387D0 (en) | 1987-03-03 |
NL8800514A (en) | 1988-10-03 |
JPS63229924A (en) | 1988-09-26 |
SE8800724D0 (en) | 1988-03-02 |
GB2202108A (en) | 1988-09-14 |
DE3805343A1 (en) | 1988-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2229064B (en) | An area communications system | |
GB8628497D0 (en) | Communication system | |
GB8623763D0 (en) | Communication system | |
IL83168A (en) | Secure communication system | |
EP0283295A3 (en) | Data communication system | |
EP0281111A3 (en) | Mobile communication system | |
GB2212954B (en) | Communication control system | |
EP0297914A3 (en) | Radio communication system | |
GB2236423B (en) | Communication system | |
GB8820024D0 (en) | Radio communication system | |
EP0282158A3 (en) | Communication system | |
GB8803870D0 (en) | Communication system | |
AU2366888A (en) | Subscriber-concentrated communication system | |
GB8604052D0 (en) | Communication system | |
GB8704476D0 (en) | Communication system | |
YU217587A (en) | Radio communication system | |
GB2200017B (en) | Communication system | |
GB2213969B (en) | Data communication system | |
GB8721211D0 (en) | Communication system | |
GB8812335D0 (en) | Communication system | |
GB8614453D0 (en) | Communication systems | |
ZA872125B (en) | Communication system | |
GB8703910D0 (en) | Communication system | |
GB8719515D0 (en) | Communication system | |
GB8826626D0 (en) | Communication system |