JP2005312005A5 - - Google Patents

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Publication number
JP2005312005A5
JP2005312005A5 JP2004221367A JP2004221367A JP2005312005A5 JP 2005312005 A5 JP2005312005 A5 JP 2005312005A5 JP 2004221367 A JP2004221367 A JP 2004221367A JP 2004221367 A JP2004221367 A JP 2004221367A JP 2005312005 A5 JP2005312005 A5 JP 2005312005A5
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JP
Japan
Prior art keywords
transmission
timing signal
transmission timing
reference clock
generation unit
Prior art date
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Pending
Application number
JP2004221367A
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Japanese (ja)
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JP2005312005A (en
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Publication date
Application filed filed Critical
Priority to JP2004221367A priority Critical patent/JP2005312005A/en
Priority claimed from JP2004221367A external-priority patent/JP2005312005A/en
Publication of JP2005312005A publication Critical patent/JP2005312005A/en
Publication of JP2005312005A5 publication Critical patent/JP2005312005A5/ja
Pending legal-status Critical Current

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Claims (5)

通信機器であって、
基準クロックを発生するための基準クロック発生部と、
送信データを発生するための送信データ発生部と、
前記基準クロックに基づいて、送信間隔を変化させた送信タイミング信号を発生する送信タイミング信号発生部と、
単一の通信チャネルで、前記送信タイミング信号に応じて前記送信データを無線送信する送信部と、を有し、
前記送信タイミング信号発生部は、無線通信が可能な通常モードと省電力により動作を行うスリープモードを有し、前記基準クロックに基づいて前記スリープモードから前記通常モードに復帰し、前記通常モード時において送信間隔を変化させた前記送信タイミング信号を発生する、
ことを特徴とする通信機器。 Communication equipment,
A reference clock generation unit for generating a reference clock;
A transmission data generation unit for generating transmission data;
A transmission timing signal generator for generating a transmission timing signal with a transmission interval changed based on the reference clock;
A transmission unit that wirelessly transmits the transmission data in accordance with the transmission timing signal in a single communication channel ,
The transmission timing signal generation unit has a normal mode in which wireless communication is possible and a sleep mode in which operation is performed with power saving, and returns from the sleep mode to the normal mode based on the reference clock. Generating the transmission timing signal with the transmission interval changed;
Communication equipment characterized by this. 前記送信タイミング信号発生部は、前記通常モード時において、前記基準クロック発生部を第１の周期でリセットすることにより、前記送信タイミング信号の送信間隔を変化させる、請求項１に記載の通信機器。 2. The communication device according to claim 1 , wherein the transmission timing signal generation unit changes a transmission interval of the transmission timing signal by resetting the reference clock generation unit in a first cycle in the normal mode . 前記送信タイミング信号発生部は、前記通常モード時において、前記送信タイミング信号の発生間隔を第２の周期毎に半周期ずらすことによって、前記送信タイミング信号の送信間隔を変化させる、請求項１に記載の通信機器。 2. The transmission timing signal generation unit changes the transmission interval of the transmission timing signal by shifting the generation interval of the transmission timing signal by a half period for each second period in the normal mode. Communication equipment. 前記送信タイミング信号発生部は、前記スリープモードから前記通常モードへ復帰する条件を、第３の周期毎に、前記基準クロックの立ち上がりから立ち下りへ、または、前記基準クロックの立ち下りから立ち上がりへ、変更することによって、前記送信タイミング信号の送信間隔を変化させる、請求項１〜３の何れか一項に記載の通信機器。The transmission timing signal generation unit sets the condition for returning from the sleep mode to the normal mode, from the rising edge of the reference clock to the falling edge, or from the falling edge of the reference clock to the rising edge, every third period. The communication device according to any one of claims 1 to 3, wherein a transmission interval of the transmission timing signal is changed by changing the transmission timing signal. 通信機器であって、
基準クロックを発生するための基準クロック発生部と、
送信データを発生するための送信データ発生部と、
前記基準クロックに基づいて、送信間隔を変化させた送信タイミング信号を発生する送信タイミング信号発生部と、
単一の通信チャネルで、前記送信タイミング信号に応じて前記送信データを無線送信する送信部と、を有し、
前記送信タイミング信号発生部は、前記基準クロックに基づいて、送信間隔をランダムに変化させた前記送信タイミング信号を発生させ、
前記送信タイミング信号発生部が前記送信間隔をランダムに変化させた変化量を、常に、前記送信部が前記送信データを送信するための送信時間より長く設定される、
ことを特徴とする通信機器。 Communication equipment,
A reference clock generation unit for generating a reference clock;
A transmission data generation unit for generating transmission data;
A transmission timing signal generator for generating a transmission timing signal with a transmission interval changed based on the reference clock;
A transmission unit that wirelessly transmits the transmission data in accordance with the transmission timing signal in a single communication channel ,
The transmission timing signal generation unit generates the transmission timing signal in which a transmission interval is randomly changed based on the reference clock,
The amount of change in which the transmission timing signal generation unit randomly changes the transmission interval is always set longer than the transmission time for the transmission unit to transmit the transmission data.
Communication equipment characterized by this.
JP2004221367A 2004-03-25 2004-07-29 Communication apparatus Pending JP2005312005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004221367A JP2005312005A (en) 2004-03-25 2004-07-29 Communication apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004089398 2004-03-25
JP2004221367A JP2005312005A (en) 2004-03-25 2004-07-29 Communication apparatus

Publications (2)

Publication Number Publication Date
JP2005312005A JP2005312005A (en) 2005-11-04
JP2005312005A5 true JP2005312005A5 (en) 2007-09-13

Family

ID=35440205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004221367A Pending JP2005312005A (en) 2004-03-25 2004-07-29 Communication apparatus

Country Status (1)

Country Link
JP (1) JP2005312005A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333010A (en) * 1986-07-28 1988-02-12 Matsushita Electric Works Ltd Variable frequency pulse generating circuit
JPH06326685A (en) * 1993-05-14 1994-11-25 Hitachi Ltd Equipment system
JP2002009684A (en) * 2000-06-16 2002-01-11 Ando Electric Co Ltd Transmission timing variable circuit
JP2002163031A (en) * 2000-11-28 2002-06-07 Matsushita Electric Ind Co Ltd Clock supply system
JP2003084858A (en) * 2001-09-11 2003-03-19 Seiko Epson Corp Information processing device
JP4067812B2 (en) * 2001-11-19 2008-03-26 長野日本無線株式会社 Small power security system
JP2004064885A (en) * 2002-07-29 2004-02-26 Omron Corp Power supply management system using solar cell as power supply, and information apparatus using the same

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