CN1084937C - 薄型接收装置和发送装置 - Google Patents
薄型接收装置和发送装置 Download PDFInfo
- Publication number
- CN1084937C CN1084937C CN 96121392 CN96121392A CN1084937C CN 1084937 C CN1084937 C CN 1084937C CN 96121392 CN96121392 CN 96121392 CN 96121392 A CN96121392 A CN 96121392A CN 1084937 C CN1084937 C CN 1084937C
- Authority
- CN
- China
- Prior art keywords
- loop antenna
- housing
- stray capacitance
- msub
- mrow
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 121
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 abstract description 50
- 238000013459 approach Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 16
- 230000001939 inductive effect Effects 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 12
- 230000011664 signaling Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
Landscapes
- Support Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
- Burglar Alarm Systems (AREA)
- Transmitters (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7335182A JP3046233B2 (ja) | 1995-12-22 | 1995-12-22 | 薄型受信装置並びに送信装置 |
| JP335182/95 | 1995-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1158014A CN1158014A (zh) | 1997-08-27 |
| CN1084937C true CN1084937C (zh) | 2002-05-15 |
Family
ID=18285681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96121392 Expired - Lifetime CN1084937C (zh) | 1995-12-22 | 1996-12-21 | 薄型接收装置和发送装置 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3046233B2 (ja) |
| CN (1) | CN1084937C (ja) |
| FI (1) | FI965170A (ja) |
| GB (1) | GB2308745B (ja) |
| TW (1) | TW362306B (ja) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9806612D0 (en) * | 1998-03-28 | 1998-05-27 | Philips Electronics Nv | Communication device |
| JP3643488B2 (ja) * | 1998-10-30 | 2005-04-27 | 株式会社日立製作所 | Ｉｃカード |
| NO313975B1 (no) * | 2000-02-08 | 2003-01-06 | Q Free Asa | Antenne for transponder |
| GB0115023D0 (en) * | 2001-06-20 | 2001-08-08 | Univ Belfast | Improvements relating to antennas |
| JP2004013427A (ja) * | 2002-06-05 | 2004-01-15 | Toshiba Corp | 無線カード |
| US7748344B2 (en) * | 2003-11-06 | 2010-07-06 | Axcelis Technologies, Inc. | Segmented resonant antenna for radio frequency inductively coupled plasmas |
| US7421973B2 (en) | 2003-11-06 | 2008-09-09 | Axcelis Technologies, Inc. | System and method for performing SIMOX implants using an ion shower |
| JP3790249B2 (ja) | 2004-01-13 | 2006-06-28 | 株式会社東芝 | ループアンテナ及びループアンテナを備えた無線通信機 |
| US7239290B2 (en) | 2004-09-14 | 2007-07-03 | Kyocera Wireless Corp. | Systems and methods for a capacitively-loaded loop antenna |
| US20080048867A1 (en) * | 2006-01-18 | 2008-02-28 | Oliver Ronald A | Discontinuous-Loop RFID Reader Antenna And Methods |
| DE602007014410D1 (de) * | 2007-01-12 | 2011-06-16 | Aida Ct S L | Eigenresonante elektrische kleine antenne |
| KR101058988B1 (ko) * | 2007-06-29 | 2011-08-23 | 후지쯔 가부시끼가이샤 | 루프 안테나 |
| RU2503100C2 (ru) * | 2007-09-06 | 2013-12-27 | Дека Продактс Лимитед Партнершип | Система и способ rfid |
| KR100906915B1 (ko) * | 2007-10-15 | 2009-07-08 | 엘지이노텍 주식회사 | 안테나 |
| DE202007015189U1 (de) * | 2007-10-31 | 2009-03-12 | Kiontke, Siegfried, Dr. | Niederfrequente magnetische Breitbandantenne |
| JP4314592B2 (ja) * | 2007-12-11 | 2009-08-19 | 日立化成工業株式会社 | Ｉｃカード |
| JP4314591B2 (ja) * | 2007-12-11 | 2009-08-19 | 日立化成工業株式会社 | Ｉｃカード |
| JP2008090863A (ja) * | 2007-12-11 | 2008-04-17 | Hitachi Chem Co Ltd | Ｉｃカード |
| JP4556002B2 (ja) * | 2008-10-14 | 2010-10-06 | 日立化成工業株式会社 | 非接触式ｉｃカード |
| JP2010277609A (ja) * | 2010-09-01 | 2010-12-09 | Hitachi Chem Co Ltd | Ｉｃカード |
| DE212020000747U1 (de) | 2020-04-27 | 2022-06-16 | Murata Manufacturing Co., Ltd | Antennenvorrichtung und RFID-Etikett-Kommunikationsvorrichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004228A (en) * | 1974-04-29 | 1977-01-18 | Integrated Electronics, Ltd. | Portable transmitter |
| GB2100063B (en) * | 1981-06-05 | 1985-03-13 | Tokyo Shibaura Electric Co | Antenna |
| JPH0777324B2 (ja) * | 1988-03-23 | 1995-08-16 | セイコーエプソン株式会社 | 腕装着型無線機 |
-
1995
- 1995-12-22 JP JP7335182A patent/JP3046233B2/ja not_active Expired - Fee Related
-
1996
- 1996-12-09 TW TW085115218A patent/TW362306B/zh active
- 1996-12-13 GB GB9625970A patent/GB2308745B/en not_active Expired - Lifetime
- 1996-12-20 FI FI965170A patent/FI965170A/fi not_active Application Discontinuation
- 1996-12-21 CN CN 96121392 patent/CN1084937C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2308745B (en) | 1997-12-10 |
| GB2308745A (en) | 1997-07-02 |
| TW362306B (en) | 1999-06-21 |
| JPH09181520A (ja) | 1997-07-11 |
| GB9625970D0 (en) | 1997-01-29 |
| JP3046233B2 (ja) | 2000-05-29 |
| FI965170A (fi) | 1997-06-23 |
| FI965170A0 (fi) | 1996-12-20 |
| CN1158014A (zh) | 1997-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20020515 |
|
| EXPY | Termination of patent right or utility model |