JP4650696B2 - 通信装置 - Google Patents
通信装置 Download PDFInfo
- Publication number
- JP4650696B2 JP4650696B2 JP2007001776A JP2007001776A JP4650696B2 JP 4650696 B2 JP4650696 B2 JP 4650696B2 JP 2007001776 A JP2007001776 A JP 2007001776A JP 2007001776 A JP2007001776 A JP 2007001776A JP 4650696 B2 JP4650696 B2 JP 4650696B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- supply terminal
- touch sensor
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
- B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
Claims (4)
- 一対の通信線と、該通信線に接続され、該通信線を介して供給される直流電圧により作動するとともに、接続されるローカル装置の正極電源端子及び負極電源端子に直流電圧を供給するスレーブコントローラと、該通信線に接続され、該通信線に直流電圧を供給するとともに、該通信線の電圧を互いに逆位相となるようにパルス状に変化させることにより該スレーブコントローラと通信するマスタコントローラとからなる通信装置において、
該ローカル装置は、抵抗と、該抵抗の両端にそれぞれ接続され、反抵抗側の端部に該正極電源端子及び該負極電源端子がそれぞれ構成される線状の一対の導体とからなり、物体が衝突して荷重が加わると、一対の該導体が短絡し、該正極電源端子と該負極電源端子との間の抵抗値が変化するタッチセンサであり、
該スレーブコントローラは、該タッチセンサの該正極電源端子と該負極電源端子との間の電圧を増幅する差動増幅回路と、該通信線の電圧の変化に基づいて、直流電圧が供給される給電状態と、電圧を変化させ通信する通信状態とを判定する状態判定回路と、該状態判定回路が給電状態であると判定したとき、該差動増幅回路の出力を保持する出力保持回路とを有し、該通信線の電圧を該タッチセンサの該正極電源端子及び該負極電源端子にそれぞれ供給することを特徴とする通信装置。 - 前記スレーブコントローラは、前記通信線の電圧を、抵抗を介して前記タッチセンサの前記正極電源端子及び前記負極電源端子にそれぞれ供給することを特徴とする請求項1に記載の通信装置。
- 前記差動増幅回路は、入力端子の入力抵抗が前記タッチセンサの前記抵抗より大きいことを特徴とする請求項1又は2に記載の通信装置。
- 前記タッチセンサは、前記正極電源端子及び前記負極電源端子が線状の配線を介して前記スレーブコントローラに接続されていることを特徴とする請求項1〜3のいずれか1項に記載の通信装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007001776A JP4650696B2 (ja) | 2007-01-09 | 2007-01-09 | 通信装置 |
DE200810003199 DE102008003199B4 (de) | 2007-01-09 | 2008-01-04 | Kommunikationsvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007001776A JP4650696B2 (ja) | 2007-01-09 | 2007-01-09 | 通信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008172364A JP2008172364A (ja) | 2008-07-24 |
JP4650696B2 true JP4650696B2 (ja) | 2011-03-16 |
Family
ID=39510073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007001776A Expired - Fee Related JP4650696B2 (ja) | 2007-01-09 | 2007-01-09 | 通信装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4650696B2 (ja) |
DE (1) | DE102008003199B4 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003018224A (ja) * | 2001-07-02 | 2003-01-17 | Canon Inc | 差動信号伝送方式および差動信号伝送における送信および受信に使用するic |
JP2004156945A (ja) * | 2002-11-05 | 2004-06-03 | Auto Network Gijutsu Kenkyusho:Kk | 車両衝突検出装置 |
JP2006082778A (ja) * | 2004-09-17 | 2006-03-30 | Toyota Motor Corp | 衝突検出装置 |
JP2006287576A (ja) * | 2005-03-31 | 2006-10-19 | Yazaki Corp | 電源重畳多重通信システム |
JP2006282114A (ja) * | 2005-04-04 | 2006-10-19 | Denso Corp | 車両用衝突検出装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2895667B2 (ja) * | 1991-08-13 | 1999-05-24 | 株式会社日本自動車部品総合研究所 | 衝突検出センサ |
JP3673288B2 (ja) * | 1993-12-16 | 2005-07-20 | トヨタ自動車株式会社 | 衝突検知装置 |
JP3410302B2 (ja) * | 1996-09-26 | 2003-05-26 | 富士通テン株式会社 | 通信装置 |
JP4410008B2 (ja) | 2004-03-23 | 2010-02-03 | 株式会社デンソー | 電源電力給電型通信線を有する通信装置 |
JPWO2006040869A1 (ja) * | 2004-10-14 | 2008-05-15 | 松下電器産業株式会社 | フィルタ回路、及びそれを搭載する差動伝送システムと電源装置 |
JP4918998B2 (ja) * | 2006-05-10 | 2012-04-18 | 株式会社デンソー | 通信装置 |
-
2007
- 2007-01-09 JP JP2007001776A patent/JP4650696B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-04 DE DE200810003199 patent/DE102008003199B4/de not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003018224A (ja) * | 2001-07-02 | 2003-01-17 | Canon Inc | 差動信号伝送方式および差動信号伝送における送信および受信に使用するic |
JP2004156945A (ja) * | 2002-11-05 | 2004-06-03 | Auto Network Gijutsu Kenkyusho:Kk | 車両衝突検出装置 |
JP2006082778A (ja) * | 2004-09-17 | 2006-03-30 | Toyota Motor Corp | 衝突検出装置 |
JP2006287576A (ja) * | 2005-03-31 | 2006-10-19 | Yazaki Corp | 電源重畳多重通信システム |
JP2006282114A (ja) * | 2005-04-04 | 2006-10-19 | Denso Corp | 車両用衝突検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102008003199A1 (de) | 2008-07-17 |
DE102008003199B4 (de) | 2011-12-08 |
JP2008172364A (ja) | 2008-07-24 |
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