TWI224561B - Tire inspection system with wireless configuration features - Google Patents

Tire inspection system with wireless configuration features Download PDF

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Publication number
TWI224561B
TWI224561B TW092126594A TW92126594A TWI224561B TW I224561 B TWI224561 B TW I224561B TW 092126594 A TW092126594 A TW 092126594A TW 92126594 A TW92126594 A TW 92126594A TW I224561 B TWI224561 B TW I224561B
Authority
TW
Taiwan
Prior art keywords
signal
tire
low
reset
tire pressure
Prior art date
Application number
TW092126594A
Other languages
English (en)
Other versions
TW200512103A (en
Inventor
Sheng-Shiung Lin
Chang-Hung Lai
Original Assignee
Lite On Automotive Corp
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 Lite On Automotive Corp filed Critical Lite On Automotive Corp
Priority to TW092126594A priority Critical patent/TWI224561B/zh
Priority to JP2004026692A priority patent/JP2005108177A/ja
Priority to US10/778,183 priority patent/US7039508B2/en
Application granted granted Critical
Publication of TWI224561B publication Critical patent/TWI224561B/zh
Publication of TW200512103A publication Critical patent/TW200512103A/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/041Means for supplying power to the signal- transmitting means on the wheel
    • B60C23/0413Wireless charging of active radio frequency circuits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0415Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
    • B60C23/0416Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0435Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
    • B60C23/0438Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender comprising signal transmission means, e.g. for a bidirectional communication with a corresponding wheel mounted receiver
    • B60C23/0442Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender comprising signal transmission means, e.g. for a bidirectional communication with a corresponding wheel mounted receiver the transmitted signal comprises further information, e.g. instruction codes, sensor characteristics or identification data
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0447Wheel or tyre mounted circuits
    • B60C23/0455Transmission control of wireless signals
    • B60C23/0462Structure of transmission protocol
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0479Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Fluid Pressure (AREA)
  • Tires In General (AREA)

Description

1224561 玫、發明說明: 【發明所屬之技術領域】 本發明係為-種胎壓檢測系統’尤指—種具有益線設 定功能,能使胎壓檢測器自動進行檢測信號重置及位置編 碼設定的胎壓檢測系統。 【先前技術】 有鑑於車搞發生機率隨著汽車增加而提升,分析後發 現部份車搞發生係與汽車平時保養不週全有關,由於並非 所p敬者皆能百分之百掌握汽車現況’因而造成自發性 的車:,其中汽車輪胎維護不佳的因素亦不在少數,是以 ,目則部份國家的相關交通法令已規範汽車輪胎内需設置 胎壓檢測器’令駕駛者於駕車前可先行瞭解輪胎狀態,以 確保行車安全。 一般製作胎壓檢測器的廠商,會依照各車㈣定廠牌 規範的胎塵標準,將胎屢標準預設於準備銷售至該車饮的 胎f檢測器中,-旦發現在使用過程中發現其信號不正常 則:進車廠更換。更換的程序即將損壞的月台麼檢測器取出 丟棄,直接更換正常且符合該車款輪胎的 此一來廢雖可達到維修目的,但亦造成维修成本二加 非為 貝惠有效的維修方法。 有4a方、此申清人於先前申請並獲准專利的公告 = 4009 5虎「具重置功能的胎塵檢測器」新型專利案即揭示 :種:便维修人員快速且無需於每次维修即丢棄 亦^此專利案係於胎壓檢測器内的電路板上,置、] 具重置功能的檢測暨信號處理器,並令電路板的接地點與 1224561 金屬氣嘴連接’而該檢測暨哭 一1口跣足里σσ的^谠重置端則外 露於外殼,·當電路板動作 而料 +正$ 使用者即可將金屬齑 嘴與信號重置端連接,今仁啼舌m山 島礼 σ 為^唬重置端即可獲得一低電壓信 號’而使電路板重置而重4 ^ σ 、一 r 置而重新運作,m此—簡單維修以減少 汰換胎壓檢測器的機會。 ^ 隹此專利案仍需維修人員將 胎壓檢測器取出,才能進行重置動作。 、 此外’目前以無線傳送胎壓信號的技術普及,故一般 胎壓檢測器除了會預設 ·又 制^ #值夕卜’亦會設定各胎屢檢 测裔设置於特定輪胎的位 置、、扁馬,以利車内胎壓主 顯示正確輪胎的胎塵數值。又, 制口口 用,m人車輛輪胎若以正常方式使 用 另又來呪,輪胎會在-茧八田> u ^ 禹公里的行程後,仍保有安全 的胎壓,但是由於前輪 ^ ^ r 0月口、、文已較後輪胎紋淺,因此,車 I希望駕.¾者於換新輪胎再 ^ 一禺公里後,進行前、徭 輪胎的對調,如此,可令驾 m… B馬駛者一方面節省支出,而另一 方面維護行車安全。 然而,針對此一對調輪胎的 前、播W r j ^作方式,則同樣要將原 後軏的胎壓檢測器取出, m 〇 ^ 衣入相付位置的輪胎中, 口此,同樣增加了維修者的作業複雜度。 【發明内容】 為此,本發明係提供一種輪 式押制於^ h L榀冽糸統,可以無線方 气工制輪胎内的胎壓檢測器進 ,Μ ^ 仃乜唬重置及位置編碼設定 曰使車廠維修人員於對調輪胎時,&需f | ^ r 匕即可重設胎壓檢測器的位置編碼。 欲達上述目的所使用之主要 及八斗 友術,係令该輪胎檢測系 1224561 統包含有: 一無線設定器,係主要由一信號處理器及一低頻信號 收發器組成,其中該信號處理器内建有複數組位置編碼, 用以處理一设疋化號至該低頻信號收發器中,該設定信號 包含有一重置信號及一組位置編碼資料; 複數組胎壓檢測器,各組胎壓檢測器係主要包含有一 檢測暨信號處理單元、—重置開關及一低頻信號收發器, D亥核測旦彳5唬處理單元係設有一重置端,並與重置開關連 接; 上述無線設定器係裝設一低頻信號收發器,故可針對 車輛其中-輪胎内的胎壓檢測器進行設定,即,該胎壓檢 器會透過低頻信號收發器接收到由無線設定器發出的設 —JU進而驅動重置開關而使該檢測暨信號處理單元的 重置立而重置,亚且將該設定信號内的位置編碼資料取出, 、储存。己L ’之後’ #回傳儲存的信置編碼 設定器,令該益鎳抑宁奖π、,士 、丁 j…、、咏 、、。又付以確認該胎壓檢測器儲存正確 的位置編碼;藉士卜,ρ 、去 了達到々胎壓檢測器無需取出或更 換對應位置之目的,而相當節省維修工時及金錢。 目的係將上述輪胎檢測系統整合於汽車内 勺月α塵主控制器中, & 車内的Ρ 了在兀成對調輪胎後,直接使用汽 ^ U ” „ Μ 可方便車主在拆換!^日± 7 …即可’如此’ 定,#ΗΑ厂 ”可自行對拆換後的輪胎進行設 疋’使胎塵主控制器能顯 進仃。又 r — 隹和胎位置的輪胎狀態。 【貫施方式】 1224561 本發明主要目的係提供—種可以無線方式設定胎屢檢 測器内部位置編碼’並控制該胎職測器進行重置功能的 胎廣檢〉則糸統。
本發明主要由一益绩%令哭12、— A …、、4 ^又夂态及稷數組胎壓檢測器組成 ,夂中該等胎壓檢測哭儲在右士 ^ U存有相互不同的位置編碼,該位 置編瑪則用以代表各胎壓檢測器所裝設輪胎的位置。靖夂 閱第,圖所示’係為本發明的第一較佳實施例的方塊圖“ 僅揭禾一組胎壓檢測器。 該無線设疋為(1 〇 )係包含有·· /U處理☆ ( 1 1 ),係内建有對應胎塵檢測器數 量的數組位置編碼,以順序處理輸出複數個設定信號,該 設定信號包含有一重置信號及一組位置編碼資料; 一低頻信號收發器(1 2 ),係與該信號處理器(工 1 )連接,並連接-低頻天線(工2丄),以發送設定信 號及接收胎壓檢測器、(2 Q )回傳的信號。於本實施例中 ,該低頻信號發射器(1 2 )係使用-低頻天、線,、故令信 號處理器(1 1 )的信號f分次傳送,此外,Φ可增加複 數組不同傳送頻率的低頻天線(121),以同時^射内 建的所有設定信號至其所對應的胎壓檢測器(2 〇 ); ^ 一顯不器(1 3 ),係連接至信號處理器(1 )的 輪出端,以顯示目前發送的設定信號;及 一按鍵組(1 4 ),係連接至信號處理器(【丄)的 读入^ ’供使用者選擇設定特定組別的設定信號。 清再配合第二圖所示,該胎壓檢測器(2 〇 )係包含 1224561 有: 〜檢測暨信號處理單元(未標號),係由處理器(2 1^、信號檢測器(2 2)(如壓力檢測器、溫度檢測器 及电屢檢測器等)及記憶體(2 3 )整合為一特殊規 體7Μ牛,又其設有一重置端; 貝 ^ 、重置開關(3 〇 ),係連接於重置端(RES)及接地 立而間,並包含有一控制端;該重置開關(3 〇 )係可為一 F E 了電晶體; 〜低頻信號收發器(4 〇 ),係連接至該重置開關( 3 〇 )的控制端,係包含有一低頻天線(4丄)一 电路(4 2);於本實施例中該信號放大器電路係 一倍壓電路;及 … 〜射頻發射器(5 0 ) 以傳送信號檢測器所檢測到 胎壓主控制器(6 0 )中, 不再贅述)。 ,係設於該處理器的輪出端, 輪胎内數種狀態信號至車内的 如第三圖所示(此為習知技術 §胎壓檢測器(2 0 )由低頻信號收發器(4 〇 )接 收無線設定器(1 〇 )輸出的設定信號時,會取出該設定 信號所含的重置信號及位置編碼資料;即,由於該設定信 號先包含重置信號,故會令該重置開關(3 〇 )導通而將 重置端連接至接地端一段時間,之後,再判斷並讀取設定 信號之後的位置編碼資料,並將該資料儲入記憶體(2 3 )中,當信號處理器確定接收到完整的資料後,即將此一 資料透過低頻信號收發器(4 〇 )回傳至無線設定器(工 0 ’供無線設定器(1 ο )確認其設定位置編碼無誤, ’子下L壓檢測器發送第二組設定信號,如第三圖所示 測哭由上述可知,本發明以無線設定器(1 0 )對胎壓檢 ;(2 ◦)發出设定信號,如此,即可令胎壓檢測器( 〇 ^自動進行信號重置並重新設定位置編碼。 > θ:閱第四圖及第五圖所示,係為本發明第二較佳實 丄係主要架構與上述實施例相同,惟,該無線設定器 *、、、車内的胎壓主控制器中,由於胎壓主控制器以射 7、、妾收口位置輪胎中胎磨檢測器所檢測到的數值,並 將檢測到的數值顯示於 .....真。。上,因此,本實施例的無線 设定器(1 〇 ‘)包含有: 旦 5虎處理益(1 1 ),係内建有對應胎壓檢測器數 :二組位置編碼’以順序處理輸出複數個設定信號,該 °又疋“虎包含有-重置信號及-組位置編碼資料; 複數低頻信號收發器(12a〜12d),係分別與 该^號處理器(1 1 )遠接, 連接八中各低頻信號收發器(1 a〜1 2 d )係設於其所對應輪胎的附近,並連接有一 低頻天線(1 2 1 ),以發逆Μ宁t咕 哭 ^ ν σ又疋^號至對應的胎壓檢測 為〇 )或接收對應胎塵檢測器(2 〇 )所回傳的信號 , -射頻接收器⑴),係連接至信號處理器(Η 的輸入端,以接收各胎壓檢測器 祙γ 丄 叩A 2 0 )輸出的檢測信 由於各胎塵檢測器(Μ)輸出的檢測信號框内含 1224561 有位置編碼,故信號處理器(1 1 )可判斷出為特定位置 輪胎所回傳的輪胎狀態信號(如胎壓、胎溫、漏氣等狀辦 ),如第六圖所示,其中該信號框包含有D1(起始)、D2 ( 命令)、D3 (位置編碼)、D4 (壓力值)、D5 (溫度值) 、D6 (剩餘電壓)、D7 (加速度值)、D8 (結束),其中 加速度值是用以檢測車速;及 一顯示器(1 3 ),係連接至信號處理器(1丄)的· 輸出端,以顯示目前發送的設定信號;及 一按鍵組(1 4 ),係連接至信號處理器(i 2 )的 輸入端’供使用者選擇設定特定組別的設定信號; 一警不器(1 6 ),係連接至信號處理器(1丄)的 輸出端,用以當信號處理器(1!)商檢測信號框的胎 壓值超出胎壓準標時,即則驅動警示器(丄6 )以提示駕 駛人。 由上述可知,本發明的第二較佳實施例確實可整合於 胎壓主控制器(6 〇 )中。 口、 综上所述,本發明係提供一種無線方式設定胎壓檢測 器内的位置編石馬’並且可將令胎壓檢測器内的信號感測器 進行重置,以恢復出廠之却宁。 、 坆之°又疋。因此,不論是胎壓檢測器 進打重置維修或是調換輪胎的序,— 一 概無需取出胎壓檢 測器’即可以無線方式谁 > 舌 飞進订重置及重新設定其内儲的位 編碼,相當方便。 為此,本發明係符合吝 . 業上利用性、新穎性及進步性 ,菱依法具文提出申請。 1224561 【圖式簡單說明】 (一) 圖式部分 第一圖:係本發明第一較佳實施例的一電路方塊圖, 揭示一無線設定器與一組胎壓檢測器。 第二圖:係本發明胎壓檢測器的電路圖。 第三圖:係本發明第一較佳實施例實際操作示意圖。 第四圖·係本發明弟二較佳貫施例的'一電路方塊圖。 第五圖:係本發明第二較佳實施例實際操作示意圖。 第六圖:係本發明各胎壓檢測器輸出至胎壓主控制器 的一信號標内容。 (二) 元件代表符號 (1 0 )無線設定器 (1 1 )信號處理器 (12) ( 1 2 a )〜(1 2 d )低頻信號收發器 (1 2 1 )低頻天線 (1 3 )顯示器 (1 4;)按鍵組 (1 5 )射頻接收器 (1 6 )警示器 (2 0 )胎壓檢測器 (2 1 )處理器 (2 2 )信號檢測器 (2 3 )記憶體 (3 0 )重置開關 10 1224561 (4 Ο )低頻信號收發器 (4 1 )低頻天線 (4 2 )信號放大電路 (5 0 )射頻發射器 (6 0 )胎壓主控制器

Claims (1)

1224561 拾、申請專利範圍: 1 · -種具無線設定功能的輪胎檢測系統,係包含冑' 一無線設定器,係主要由一信號處理界乃 口口及至少一組低 頻"^號收發器組成’其中該信號處理器内建有斜 乃野應輪胎數 量的複數組位置編碼’以處理一設定信號至該低頻信號收 - 發器中’其中設定信號包含有一重置信號及一組位置編碼 資料; % 複數組胎壓檢測器,各組胎壓檢測器係主要包含有一 鲁 檢測暨信號處理單元、一低頻信號收發器、一重置開關及 一射頻發射器,該檢測暨信號處理單元係設有一重置端, - 以透過重置開關連接至低頻信號收發器。 - 2 ·如申請專利範圍第丄項所述具無線設定功能的輪 胎檢測系統,該無線設定器進一步包含有: 頌示态’係連接至信號處理器的輸出端,以顯示目 W發送的設定信號;及 ? 钕鍵組,係連接至信號處理器的輸入端,供使用者 籲 選擇設定第幾組的設定信號。 ^ 士申巧專利範圍第1或2項所述具無線設定功能 日由⑷台檢測系統,該胎壓檢測器的檢測暨信號處理單元係 处里裔、複數彳§號檢測器及一記憶體組成。 胎、4 \如申請專利範圍第3項所述具無線設定功能的輪 制〜彳系統,该^號檢測器係包含有壓力檢測器、溫度檢 ’、裔及電壓檢測器等。 12 1224561 5 ·如申請專利範圍第3項所述具無線設定功能的輪 胎檢測系統,該檢測暨信號處理單元整合處理器、信號檢 測器及記憶體為一特殊規則積體元件。 6 .如申請專利範圍第1項所述具無線設定功能的輪 胎檢測系統,該重置開關係連接於重置端及接地端間,教 包含有一連接至低頻信號收發器的控制端。 7 -如申請專利範圍第6項所述具無線設定功能的輪 胎檢測系統,該重置開關係可為一 F £ τ電晶體。 8 ·如申請專利範圍第丄項所述具無線設定功能的輪 胎檢測系統,該無線設定器進一步包含有: 複數組低頻信號收發器,各低頻信號收發器係設置於 輪胎附近; ' •-射頻接收器’以接收各胎壓檢測器輪出的檢測信號 …f示器’係連接至信號處理器輸出#,受信號處理 裔控制驅動。 9 ·如申請專利範圍第1項所述 ^ Έ|Ι . ^ 、具無線設定功能的輪 月口核測糸統,該低頻信號收發器 ^ ^^ 田至少一低頻天線及一 L唬放大電路組成。 1 〇 ·如申請專利範圍第8項 輪胎檢測系統,各低頻信號收發器^具無線設U能的 於a ^ 如由—低頻天線及一信 就放大電路組成。 1 1 ·如申請專利範圍第9或 功炉的私1 〇項所述具無線設定 力此的軏胎檢測系統,該信號放大電 ^ 係為一倍慶電路。 13
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CN104502017A (zh) * 2014-02-26 2015-04-08 上海为彪汽配制造有限公司 对多胎压传感器同时进行通讯协议刻录的刻录工具和方法

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