JPS6419806A - Modulating method - Google Patents

Modulating method

Info

Publication number
JPS6419806A
JPS6419806A JP17477087A JP17477087A JPS6419806A JP S6419806 A JPS6419806 A JP S6419806A JP 17477087 A JP17477087 A JP 17477087A JP 17477087 A JP17477087 A JP 17477087A JP S6419806 A JPS6419806 A JP S6419806A
Authority
JP
Japan
Prior art keywords
coil
card
electromagnetic field
modulated
amplitude
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.)
Granted
Application number
JP17477087A
Other languages
English (en)
Japanese (ja)
Other versions
JPH053164B2 (enrdf_load_stackoverflow
Inventor
Kunitaka Arimura
Kunio Igai
Yasumasa Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arimura Giken KK
Original Assignee
Arimura Giken KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arimura Giken KK filed Critical Arimura Giken KK
Priority to JP17477087A priority Critical patent/JPS6419806A/ja
Publication of JPS6419806A publication Critical patent/JPS6419806A/ja
Publication of JPH053164B2 publication Critical patent/JPH053164B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplitude Modulation (AREA)
JP17477087A 1987-07-15 1987-07-15 Modulating method Granted JPS6419806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17477087A JPS6419806A (en) 1987-07-15 1987-07-15 Modulating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17477087A JPS6419806A (en) 1987-07-15 1987-07-15 Modulating method

Publications (2)

Publication Number Publication Date
JPS6419806A true JPS6419806A (en) 1989-01-23
JPH053164B2 JPH053164B2 (enrdf_load_stackoverflow) 1993-01-14

Family

ID=15984366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17477087A Granted JPS6419806A (en) 1987-07-15 1987-07-15 Modulating method

Country Status (1)

Country Link
JP (1) JPS6419806A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4560744B2 (ja) * 2008-03-18 2010-10-13 ソニー株式会社 通信システム、通信方法、データ処理装置、およびデータ処理方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010906A (enrdf_load_stackoverflow) * 1973-05-28 1975-02-04
US3944928A (en) * 1974-07-01 1976-03-16 Microlab/Fxr Harmonic communication system
JPS52150937A (en) * 1976-06-09 1977-12-15 Matsushita Electric Ind Co Ltd Data card and its reading system
JPS56158556A (en) * 1980-05-13 1981-12-07 Canon Inc Digital communication system
JPS60153589A (ja) * 1983-12-06 1985-08-13 マース，インコーポレーテツド 代用貨幣及び代用貨幣取扱い装置
JPS62169292A (ja) * 1986-01-13 1987-07-25 アボツト　ラボラトリ−ズ 電子的デ−タ貯蔵・伝送・取り出し装置およびその方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010906A (enrdf_load_stackoverflow) * 1973-05-28 1975-02-04
US3944928A (en) * 1974-07-01 1976-03-16 Microlab/Fxr Harmonic communication system
JPS52150937A (en) * 1976-06-09 1977-12-15 Matsushita Electric Ind Co Ltd Data card and its reading system
JPS56158556A (en) * 1980-05-13 1981-12-07 Canon Inc Digital communication system
JPS60153589A (ja) * 1983-12-06 1985-08-13 マース，インコーポレーテツド 代用貨幣及び代用貨幣取扱い装置
JPS62169292A (ja) * 1986-01-13 1987-07-25 アボツト　ラボラトリ−ズ 電子的デ−タ貯蔵・伝送・取り出し装置およびその方法

Also Published As

Publication number Publication date
JPH053164B2 (enrdf_load_stackoverflow) 1993-01-14

Similar Documents

Publication Publication Date Title
US5430278A (en) Bar code, as well as process and apparatus for reading the same
US6094173A (en) Method and apparatus for detecting an RFID tag signal
US5570086A (en) Data carrier system
DE3679585D1 (de) System zur abwicklung von geschaeften.
ATE171323T1 (de) Einrichtung zur übertragung von elektrischer energie und von datensignalen
GB2197107B (en) Data-storing devices
JPS643787A (en) Electronic data communication system
JPS6446675A (en) Apparatus for non-contact data exchange
JPH0690743B2 (ja) Ｉｃカードの処理装置およびｉｃカード
US5198807A (en) Method and apparatus for producing a subcarrier signal for transmission by an inductively coupled transponder
DK0492569T3 (da) System og fremgangsmåde til datatransmission uden kontakt
JPS6419806A (en) Modulating method
DE68916879D1 (de) System zur gegenseitigen Informationsübertragung zwischen einem tragbaren Gegenstand, insbesondere einem Schlüssel, und einem anderen Datenträger.
DE59706626D1 (de) Datenübertragungsschaltung mit einer station und mit einer antwortschaltung
GB2187916A (en) Transponder presence indicator
US5877706A (en) Ferromagnetic object detector
ATE21198T1 (de) Vorrichtung zur induktiven uebertragung und auswertung von signalen von einer bewegbaren einrichtung zu einer auswertestelle.
JP3014142B2 (ja) 誘導性結合された情報検索システム
JP3006784B2 (ja) 無線による移動局識別装置
EP2154791B1 (en) Method and system for inductively transmitting energy and information
JPS59202581A (ja) 識別カ−ド
JPS6419490A (en) Collating device
SU1192007A1 (ru) Устройство дл измерени нажатий щетки на коллектор электрических машин
EP1512118B1 (en) Passive data carrier with signal evaluation means for evaluating information of a self-clocking signal
SU853757A1 (ru) Умножитель частоты