JP4042702B2 - 携帯型情報処理端末装置 - Google Patents
携帯型情報処理端末装置 Download PDFInfo
- Publication number
- JP4042702B2 JP4042702B2 JP2004024431A JP2004024431A JP4042702B2 JP 4042702 B2 JP4042702 B2 JP 4042702B2 JP 2004024431 A JP2004024431 A JP 2004024431A JP 2004024431 A JP2004024431 A JP 2004024431A JP 4042702 B2 JP4042702 B2 JP 4042702B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna coil
- circuit
- substrate
- writer
- integrated circuit
- 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 - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/04—Walls having neither cavities between, nor in, the solid elements
- E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
- E04B2/10—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by filling material with or without reinforcements in small channels in, or in grooves between, the elements
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
- G06K7/10336—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 near field type, inductive coil
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Near-Field Transmission Systems (AREA)
- Support Of Aerials (AREA)
- Credit Cards Or The Like (AREA)
- Details Of Aerials (AREA)
- Telephone Function (AREA)
- Structure Of Receivers (AREA)
- Telephone Set Structure (AREA)
Description
サンプルB Fe(73)-Si(16)-Al(10) +バインダ
サンプルC Fe(78)-Si(20)-Cr(2) +バインダ
(括弧内はatom/%)
図13は、周波数と透磁率の関係を示す図である。ここで、μ’は、透磁率μ(=B(磁界の強さ)/H(磁束密度))の実数部で、Hの変化に同位相で追随するBの部分を表す透磁率であり、μ’’は、Hの変化に対して90°の位相の遅れで追随するBの割合を表す透磁率である。すなわち、μ’’は、エネルギ損失を示している。
サンプルB μ’=77、μ’’=17
サンプルC μ’=55、μ’’=2.2
したがって、エネルギ損失となるμ’’が最も低いサンプルは、サンプルCである。
Claims (3)
- 筐体内に多数の金属部品が配設された携帯型情報処理端末装置において、
一方の面側に略環状のアンテナコイルが設けられた基板と、
上記基板の他方の面側であって、上記アンテナコイルの内側に設けられる信号処理用集積回路素子と、
上記信号処理用集積回路素子の逃げとなる開口部が形成され、少なくとも上記基板の他方の面側であって上記アンテナコイルの設けられた領域上に配設され、上記アンテナコイルが発生する磁界の向きを制御する磁性板と、
上記磁性板の下側に配設され、上記アンテナコイルの共振周波数を粗調整するための更なる磁性板でなる金属板とを備え、
上記基板、磁性板及び金属板は、一体構造とされ、上記筐体内に配設される携帯型情報処理端末装置。 - 上記金属板には、上記磁性板の開口部に対応して上記信号処理用集積回路素子の逃げとなる凹部が形成されている請求項1記載の携帯型情報処理端末装置。
- 上記金属板の下側には、バッテリが配設される請求項1又は2記載の携帯型情報処理端末装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004024431A JP4042702B2 (ja) | 2004-01-30 | 2004-01-30 | 携帯型情報処理端末装置 |
| US11/042,786 US7261240B2 (en) | 2004-01-30 | 2005-01-25 | Portable type information processing terminal device |
| KR1020050007869A KR101064445B1 (ko) | 2004-01-30 | 2005-01-28 | 휴대형 정보 처리 단말 장치 |
| EP05250483.4A EP1560149B1 (en) | 2004-01-30 | 2005-01-28 | Portable type information processing terminal device |
| CNB2005100062009A CN100571291C (zh) | 2004-01-30 | 2005-01-31 | 便携式信息处理终端装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004024431A JP4042702B2 (ja) | 2004-01-30 | 2004-01-30 | 携帯型情報処理端末装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005217946A JP2005217946A (ja) | 2005-08-11 |
| JP4042702B2 true JP4042702B2 (ja) | 2008-02-06 |
Family
ID=34650862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004024431A Expired - Fee Related JP4042702B2 (ja) | 2004-01-30 | 2004-01-30 | 携帯型情報処理端末装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7261240B2 (ja) |
| EP (1) | EP1560149B1 (ja) |
| JP (1) | JP4042702B2 (ja) |
| KR (1) | KR101064445B1 (ja) |
| CN (1) | CN100571291C (ja) |
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| JP4722774B2 (ja) * | 2006-06-19 | 2011-07-13 | 京セラ株式会社 | 電子機器 |
| JP4787945B2 (ja) | 2006-07-14 | 2011-10-05 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 非接触通信回路及び携帯端末 |
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-
2004
- 2004-01-30 JP JP2004024431A patent/JP4042702B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-25 US US11/042,786 patent/US7261240B2/en not_active Expired - Lifetime
- 2005-01-28 EP EP05250483.4A patent/EP1560149B1/en not_active Expired - Lifetime
- 2005-01-28 KR KR1020050007869A patent/KR101064445B1/ko not_active Expired - Fee Related
- 2005-01-31 CN CNB2005100062009A patent/CN100571291C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100571291C (zh) | 2009-12-16 |
| EP1560149A3 (en) | 2009-07-08 |
| US7261240B2 (en) | 2007-08-28 |
| CN1649364A (zh) | 2005-08-03 |
| EP1560149B1 (en) | 2017-03-08 |
| US20050178835A1 (en) | 2005-08-18 |
| KR20050078224A (ko) | 2005-08-04 |
| EP1560149A2 (en) | 2005-08-03 |
| JP2005217946A (ja) | 2005-08-11 |
| KR101064445B1 (ko) | 2011-09-14 |
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