201200875 六、發明說明： 【發明所屬之技術領域】 本發明有關於朝向（Ausrichtung)的測定，特別是本發明 關於供一彳5號的方法與裝置，該信號指示一可攜帶之琴 具的空間朝向》 【先前技術】 可攜帶的器具，如手機或個人數位助手（PDA)有一顯示 器，它可依器具在空間的朝向而定將一預定的内容作不同 的顯示。例如一容可在顯示器上呈高度格式（直格式） (H〇chf0rmat)(“肖像”）或呈橫格式（Querf〇rmat)(“風景，，）方 式顯示，各依使用者是否將該器具用度格式或橫格式拿住 而定。 美專利US 2006/0204232 A1提到一種攝影機，具有一 方向感測器以測定該器具在空間的朝向，俾依此器具的一 疋位置和一定之空間朝向利用一虛擬鍵盤輸入。 用於測定習知器具的空間朝向的器具一般所用的感測 器會受到不同的干擾影響，因此一提供的信號（它指示該器 具的空間朝向）往往不能忽視。為了根據所提供的信號充分 準確地測定該可攜帶器具的朝向，故各感測器可針對干擾 值個別地校準（kalibrieren)。在此該感測器施以一已知之加 速度及一已知干擾值，並接收由感測器產生的值與一修正 值之間的差。對多數干擾值作這種測定，並由多數如此測 疋的差值產生一特性線（Kennlinie) ’在作測量時，將特性線 3 201200875 的一值與各個由感測器產生的值根據一定的溫度為基礎相 關聯，據此可測定一正確的測量值，這種所謂的「感測器 的校準」由於在感測器生產時有製造誤差，因此須對各感 測器個別地作，這點很繁複且花錢。 【發明内容】 本發明的目的在提供一種較佳的提供朝向信號的技 術。 這種目的達成之道係利用一種具有申請專利範圍第1 項的特點的本發明的方法，及一種具有申請專利範圍第7 項的特點的本發明的裝置，及—種具有中請專利範圍第 項的特點的本發明的器|。中請專利範圍附屬項為有利的 實施例。 為了提供一信號（它指示一可攜帶器具的空間朝向），首 疋方式（地球重力加速度由此方向作用到該器具）。然 將測定的方向與-確定的參考方向㈣，當依比較結果提 :信號。在此要確定此參考方向，係將一個影響方向的測 定的值檢出，並依此有影響作用的值確定參考方向。也可 不用此影響方向測定的I ’而使用影響方向敎之準確性 的值。 因此可避免一種裝置的繁複校準作業（利用它測定重力 ，作用到該器具上的方向），如此生產成本可降低。舉例 該有衫響作用的值以及其對於方向測定的影響之間 的關係可廉價地用經驗對多數測定襄置實施，因此可使用 201200875 以確定參考方 一般情形或最惡劣情形中預期的影響的值 向0 了使用一個不同的參考方向，其中比較 二個參考方向通過該一定方,、、·。果取決於 迴这疋方式的序列順序。這 較: = 後現象)(HyStereSe)比較或史密㈣ 參考方向之間的不同(磁滞)可與該影響作用的值(特別 疋該影響性的值與一固定之參 ' 可值的差有關，該確定的參 表示-種條件，在此條件下，該測定裝置可利用該 值最佳化或校準或補償成儘量小的影響。 用此方式，如果該值對方向測定的影響报小，則磁滞 可保持很小，且如果該值對方向測定的影響大，則磁滯可 加大，在最有利的狀況，換言之’當該值對方向測定的影 響很大或該有影響作用的值與確定之參考值之間的差很 大’固然、信號相對對於器具空間朝向的變化的敏感性降 „同時該測定作用的強固性(Robustheit，英:r〇bustness) 提高，因此可避免由於該有影響作用的值的干擾造成不想 要的信號變化。也可用相關的方式將對於方向測定的準確 F生的影響模型化（modellieren)。 要測定從該器具的一確定之「空間朝向」過渡到另一 個確疋的「空間朝向」的過渡作用，可根據該測定的方向 測疋a亥器具的傾斜角度。此傾斜角度可將一多維的朝向映 射（abbilden ’英：imaging)到單一值，因此進一步的處理〔例 如與一臨限值（當作參考值）比較〕可簡化。 此有影響性的值可為一溫度，特別是該用於測定方向 201200875 的測定裝置的溫度。-有利方式係將測定裝置與—严度感 測器整合。該有影響作用的值可表示該溫度與—確定的參 考溫度之間的差’其中該參考溫度可對應於-室溫。此測 定裝置可包含一加速度感測器，以對於三個成對互相線性 獨立的空間方向作感測，因此可在一個三維的空間中測定 地球重力加速度的方向。 此信號可代表該器具的數個確定之離散的空間朝向中 的一個朝向。一種有利方式，可由此信號直接導出該器具 的一顯示模組或操作模組，例如「高（直）格式」「橫格式」 或「平躺」。 、 」 本發明另一標的為一測定信號的測定裝置以及一個具 有此測定裝置的器具。 以下配合附圖詳細說明本發明的實施例。 【實施方式】 圖1顯示一可攜帶器具（100)的一方塊圖，此可攜帶器 具（100)包含一處理裝置（110)、一顯示器（12〇)、一輸入裝置 (130)、一加速度感測器（140)及一溫度感測器（15〇)。此處理 裝置（110)與各上述元件（12〇)(13〇)(140)(150)連接。此加速 度感測器測定至少一維的加速度，且宜用MEMS技術建構 成微電機械系統形式。加速度感測器（140)宜為一個三維加 速度感測器’它將一個三維的笛卡爾（kartesisch)坐標系統中 的加速度檢出。此加速度感測器（14〇)提供一測量值，它可 推斷器具軸與空間軸之間的一個或數個角度。為此，加速 6 201200875 度感測器可直接測定繞器具軸的角度或由該沿器具軸的重 力加速度的值推斷該角度’例如：利用α= c〇s-1(Fz)(在一維 的情形）或利用a=tan'1 (Fz λ/Ϊλ：2 +Fz2 )(在二維的情形，其中 Fx、Fy及Fz表示沿X軸、y軸、z軸的地球重力加速度。 這種換算成角度的作業也可利用處理裝置（11〇)實施。最 好’溫度感測器（1 50)做成與加速度感測器（14〇)整合。 顯示器（1 20)設計成將一要顯示的内容用不同格式，例 如高度皮或橫格式輸出。如不用此方式，也可由顯示器（12〇) 或由處理裝置（110)對應地配合要輸出的内容。 處理裝置（110)設計成用於提供一信號，該信號表示器 具（100)的一空間朝向。舉例而言，此信號可為一電信號或 一軟體 h 號呈一信號燈（Semaphor)、一中斷（interrupt)、一 多次使用的變數、一功能呼叫、或類似物的形式，特別是 可提供一種應用（Applikation)的信號，此應用依信號而定將 一内容顯示在顯示器（120)上或在顯示前作處理。此應用可 同樣地在處理裝置（11〇)上進行。 圖2顯不圖1的器具（1〇〇)的一度空間朝向。器具（丨〇〇) 有一縱軸y、一橫軸x及一高度軸z，它們呈笛卡爾坐標形 式。為了 一目瞭然起見，在器具（100)旁並不從原點（Ursprung) 而在0的頂點（Scheitelpunkt)表示。器具（100)繞2軸在空間 中轉動的朝向，使重力加速度Fg對縱軸y呈一角度α作用 到器具（100)。此外顯示二個對縱軸y的參考方向％，心， 它們夾成一角度0。 在圖1的益具（1 〇〇)中，在第—實施例中的信號係可藉 201200875 著將角度α的參考方向α,或a比較而測定。各依器具（1〇〇) 繞z軸的轉動情形而定，一第一空間朝向A可利用α> %， 一第二空間朝向Β可利用αι>α>α2, 一第三空間朝向c可 利用/<α2定義。在一第二實施例，器具0〇〇)繞z軸朝向 可藉著將角度α與二參考方向α丨，％比較依—磁滯方式測 定。各依α以何種順序通過參考方向％及％而定可描述 第四朝向D-第五朝向£的⑷及化的—區域（見圖句。 舉例而言’朝向C肖D可-高度格式，而朝向八與£可代 表圖1:的顯示器(120)的橫格式，其他可能的朝向包含一 顛倒的高度格式及一顛倒的橫格式。 圖3顯示圖i的器具(1〇〇)的一種二維的朝向在圖中 :導線架—ltter’英：wirefr叫形式。器糾 其X軸及繞其y軸旋轉，使重力加速度&與器具（⑽）的2 軸夾-角度…圖示的圓錐體⑽)在參考方向％及％之間 2開口角度Θ。在圖中，圓錐體⑽)呈旋轉對稱方式繞z 二二Γ也可沿轴…作不同的定義。器具_ m统為了 —目瞭然起見，在器具（1〇〇)旁不 用原點，而在圓錐體（210)的尘 燒其…y軸的傾斜二表度：:表示器具_ 其2轴的朝向。 肖度“外表示器具(100)繞 此處器具（_繞其1 _ . M . y神的工間朝向」F(圖4 不）定義如下：角度《位於 -. 士 丨及心的界限内。在圖中，女 果重力加逮度Fg在示之相對於 . ;器”（1 〇〇)固定的圓錐體（21丨 内延伸，則器具（100)就沿朝 遛（ 的方向朝向。如果器具（1〇〇 8 201200875 平平臥在冑子上’舉例而言，空間朝向F可被器具(1 〇〇) 4住對應於此，器具（1 〇〇)繞其X轴及y袖的朝向G(圖未 示）可利用一角度α在界限％及％外定義。因此如果重力 加速度Fg在圓錐體（210)外延伸時。 為了將具不同臨限值的磁滯（如圖2所示）作實施 (implementieren)。可定義二個具不同開口角度及—致的尖 端的圓錐體。磁滯的值0就測定為圓錐體的開口角度差的 -半。為了將不同空間度量的磁滞及，或臨限值作不同的 空間設計，舉例而言’可在圓錐體的位置經由橢圓形使用。 在使用一磁滯時，器具的朝向-如下文圖4的說明作測定。 圖4顯示圖2及圖3的角“以及圖u器具陶提 供的信號之間的關係圖。角度《係在水平方向’在垂直方 向為圖…具⑽)的信號。圖2的二個不同之例示的離 ^空間朝向〇與E作圖示。其他朝向也可使用，特別是維 者，如圖3中所述之朝向F與 丹u丄軲圖（4〇〇)中的圖形（4丨〇) 係一磁滯回路’如果角度《的值從其最小值（最左邊）到其最 =值（最右邊）’則當角度"超過參考方向的時刻，則信 ^從朝向D切換到朝向Ε。如果角度^通過其最大值（最右 邊）到最小值（最左邊）的值，則當角度“小於參考方向 信號才會從朝向Ε切換回到朝向D。此參考方向⑷及^在 上述說明中的範圍也可交換(vertauschen)，這 2 應於沿所示箭頭的磁滯回路的轉一圈。 ^對 用此以可料擾„〔㈣會造成肖度 向…的範圍内波動〕造成…間的信號不當地:動： 201200875 磁滯0越大，則器具（100)之相鄰空間朝向的切換性質 的敏感性越小，但同時測定作業對於信號或空間朝向之不 想要的變化的強固性提高。磁滞θ之由二參考方向叫及α2 的差所予的值相當於圖2及圖3的參考方向^的差。 圖5顯不® 1的器具（1〇〇)之與溫度有關的一個坐標 圖。上方之坐標圖表示例示個別的加速度感測器⑻）〜⑽) 之典型之與溫度有關的誤差的關係、，而下方的坐標圖表示 圖2圖3 ’圖4的磁滯0與加速度感測器〇 4〇)的溫度之間 的關係。 在二坐標圖(510)(52〇)中溫度的係為水平方向圖示溫 度Τ〇為參考溫度，舉例而言，它等於室内空氣溫度（約 25 C ) T。對應於—溫度，對此溫度，上方坐標圖（則）的感 /則器（S1) (S4)在操作時作最佳化，在圖示之溫度走勢中， 感測器S1〜S4有+同之線性誤差及偏差誤差]旦一致地在 此T〇的範圍有較小的誤差，實際的加速度感測器1)〜(S句 的誤差可饭设為與溫度有關的絕對值，可高達〇 2g。 利用一個所予之感測器（S1)〜（S4)—般不能知道溫度 對角度測定作業的絕對影響。然而可藉著觀察多數感測器 (S1)〜（S4)而測定知道溫度對感測器（S1)〜句的準確度 (平均誤差）的典型方式有什麼影響，因此可根據這種平均數 值而评估或推定該感測器之可預期的準確度。 在下方坐標圖（520)中的磁的值相當於在各溫度時，在 上方的坐標圖（51〇)中感測器（S1)〜（S4)的相關之最小誤差 和相關之最大誤差之間的差值。最好，該磁滯a的值之在 10 201200875 下方坐標圖（520)中所示的走勢根據夠大數目例子的加速度 感測器（S1)〜（S4)的測量利用蒙地卡羅（M〇nte-CarIo)方法 測定。 圖ό顯示在圖！的器具（1〇〇)内提供信號的方法（6〇〇)。 此方法（600)包含狀態（61〇)〜（67〇)，在狀態（“ο)中方法 (600)係在起始狀態。然後在狀態（62〇)中利用溫度感測器 (1 50)測定加速度感測器(i 4〇)的溫度。然後在步驟(63〇)中根 據測定的溫度敎磁滯Θ的值，它在上文中利用圖2〜圖5 說明。然後在步驟(640)根據磁滯0的值測定參考方向“丨及 …比較(在該圖4所述之磁滯比較的範疇中比較)。最後在步 驟(67〇)中對應於此比較結果提供一信號，此信號表示器具 二：空間朝向。最後將程序(_)回轉到起始狀態“㈣ 且可重新進行。 利用本發明’可將一可攜帶 離散"“ 的（特別是確定的） 向可靠地測定，並依干擾值而定，在測定作 用者可將器ί細靈敏度之間選擇良好的折衷，目此對-使 用者了將Is具整體上調整成較佳的操作性 個別的加速感測器(14〇)的實際溫度 ’“不須測定 【圖式簡單說明】 圖 圖 圖 圖 1係—可攜帶器具的一方塊圖； 2係圖1的器具的一維空間朝向； 3係圖1的器具的二維空間朝向. 傾斜角度之 4係圖丨的器具的一朝向與該器具之 11 201200875 間的關係示意圖； 圖5係圖1的器具的溫度與參數之間的關係的示意圖； 圖6係圖1的器具中測定信號的方法。 【主要元件符號說明】 (100) 可攜帶器具 (110) 處理裝置 (120) 顯示器 (130) 輸入裝置 (140) 加速度感測器 (150) 溫度感測器 (210) 圓錐體 (510) 上方坐標圖 (520) 下方坐標圖 (600) 方法 (610) 狀態（步驟） (620) 狀態（步驟） (630) 狀態（步驟） (640) 狀態（步驟） (650) 狀態（步驟） (660) 狀態（步驟） (670) 狀態（步驟） A 第一空間朝向 B 第二空間朝向 12 201200875 c 第三空間朝向 D 第四空間朝向 E 第五空間朝向 F 空間朝向 Fg 重力加速度 SI 感測器 S2 感測器 S3 感測器 S4 感測器 X 空間方向 y 空間方向 z 空間方向 a 角度 〇ii (角度α的）參考方向 Oil (角度α的）參考方向 Θ 磁滯（滯後作用） 13201200875 VI. Description of the Invention: [Technical Field] The present invention relates to the measurement of the orientation, and in particular to the method and apparatus of the present invention for providing a portable device, the signal indicating the space of a portable instrument Orientation [Prior Art] A portable device, such as a cell phone or a personal digital assistant (PDA), has a display that can display a predetermined content differently depending on the orientation of the device. For example, a device can be displayed in a high format (straight format) (H〇chf0rmat) ("portrait") or in a horizontal format (Querf〇rmat) ("landscape,") on the display, depending on whether the user has the device U.S. Patent No. 2006/0204232 A1 discloses a camera having a directional sensor for determining the orientation of the device in space, accommodating a position of the device and a certain spatial orientation. Input by a virtual keyboard. The sensor used to measure the spatial orientation of a conventional device is generally affected by different disturbances, so a provided signal (which indicates the spatial orientation of the appliance) is often not negligible. The provided signal sufficiently accurately measures the orientation of the portable device, so that each sensor can be individually calibrated for the interference value. Here the sensor applies a known acceleration and a known interference value. And receiving the difference between the value generated by the sensor and a correction value. This determination is made for most of the interference values, and a characteristic line is generated from the majority of the differences thus measured (Ken Nlinie) 'When making measurements, correlate a value of characteristic line 3 201200875 with each value generated by the sensor based on a certain temperature, from which a correct measured value can be determined. The calibration of the detector" has to be made individually for each sensor because of manufacturing errors in the production of the sensor, which is complicated and costly. SUMMARY OF THE INVENTION It is an object of the present invention to provide a preferred technique for providing an orientation signal. This object is achieved by using a method of the present invention having the features of the first item of the patent application, and a device of the present invention having the features of claim 7 of the patent application, and Item of the present invention. The subsidiary of the patent scope is an advantageous embodiment. In order to provide a signal (which indicates the spatial orientation of a portable device), the first mode (the earth's gravitational acceleration acts in this direction to the appliance). However, the direction of the measurement is determined with the -determined reference direction (four), when the comparison results are: signal. Here, to determine the reference direction, a measured value that affects the direction is detected, and the reference direction is determined according to the influential value. It is also possible to use a value that affects the accuracy of the direction I without using I ′ which affects the direction measurement. Therefore, a complicated calibration operation of a device (using it to measure the gravity and acting on the device) can be avoided, so that the production cost can be reduced. For example, the relationship between the value of the shirting effect and its effect on the direction measurement can be implemented empirically for most of the assays, so 201200875 can be used to determine the general or worst-case effects of the reference. The value is 0 to use a different reference direction, where the two reference directions are compared by the certain square, , , . It depends on the sequence order of the way back. This compares with: = post-phenomenon) (HyStereSe) comparison or Smith (4) The difference between the reference directions (hysteresis) can be related to the value of the effect (especially the difference between the value of the influence and the value of a fixed parameter) In this case, the determined parameter indicates a condition under which the measuring device can be optimized or calibrated or compensated to have as little influence as possible. In this way, if the value has a small influence on the direction measurement , the hysteresis can be kept small, and if the value has a large influence on the direction measurement, the hysteresis can be increased, in the most favorable condition, in other words, when the value has a great influence on the direction measurement or has an influence The difference between the value and the determined reference value is large. Of course, the sensitivity of the signal relative to changes in the orientation of the instrument space decreases. The robustness of the measurement (Robustheit, r:bustness) increases and can therefore be avoided. The unwanted signal changes due to the interference of the influential values can also be modeled in a relevant manner in a relevant way. To determine a certain "space" from the appliance The transition from "transition to another" "space orientation" can be measured according to the direction of the measurement. The angle of inclination can map a multi-dimensional orientation (abbilden '英:imaging) To a single value, further processing (eg compared to a threshold (as a reference)) can be simplified. The influential value can be a temperature, in particular the temperature of the measuring device used to measure direction 201200875 An advantageous way is to integrate the assay device with a -sense sensor. The influential value can represent the difference between the temperature and the determined reference temperature, wherein the reference temperature can correspond to - room temperature. The measuring device may comprise an acceleration sensor for sensing three spatially independent spatial directions in pairs, so that the direction of the earth's gravitational acceleration can be determined in a three-dimensional space. This signal can represent several of the instruments. Determining a direction of the discrete spatial orientation. In an advantageous manner, a display module or an operation module of the appliance can be directly derived from the signal, such as "high" The present invention is directed to a measuring device for measuring signals and an apparatus having the measuring device. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 shows a block diagram of a portable device (100). The portable device (100) includes a processing device (110), a display (12〇), an input device (130), and a sense of acceleration. a measuring device (140) and a temperature sensor (15〇). The processing device (110) is connected to each of the above components (12〇) (13〇) (140) (150). The acceleration sensor measures at least one Dimensional acceleration, and should be constructed using MEMS technology to form a micro-electromechanical system. The acceleration sensor (140) is preferably a three-dimensional acceleration sensor 'detecting the acceleration in a three-dimensional kartesch coordinate system. This acceleration sensor (14〇) provides a measurement that infers one or more angles between the appliance axis and the spatial axis. To this end, the acceleration 6 201200875 degree sensor can directly determine the angle around the axis of the appliance or infer the angle from the value of the gravitational acceleration along the axis of the appliance 'eg: using α = c〇s-1 (Fz) (in one dimension) Or a = tan'1 (Fz λ / Ϊ λ: 2 + Fz2 ) (in the case of two dimensions, where Fx, Fy and Fz represent the gravitational acceleration of the Earth along the X, y, and z axes. The conversion to angle can also be performed using a processing device (11〇). Preferably, the 'temperature sensor (1 50) is integrated with the acceleration sensor (14〇). The display (1 20) is designed to be an The displayed content is output in a different format, such as a high-level or horizontal format. If this is not the case, the content to be output can be correspondingly matched by the display (12〇) or by the processing device (110). The processing device (110) is designed to be used Providing a signal indicating a spatial orientation of the appliance (100). For example, the signal can be an electrical signal or a software h-number is a semaphor, an interrupt, a multiple use a variable, a functional call, or the like, especially An application (Applikation) signal that displays a content on a display (120) or processes it prior to display depending on the signal. This application can be similarly performed on a processing device (11A). The appliance (1〇〇) has a spatial orientation. The appliance (丨〇〇) has a longitudinal axis y, a horizontal axis x and a height axis z, which are in Cartesian coordinates. For the sake of clarity, in the appliance (100) The side is not represented from the origin (Ursprung) at the apex of 0. The orientation of the instrument (100) rotating in space around the two axes causes the gravitational acceleration Fg to act on the appliance at an angle α to the longitudinal axis y ( 100). In addition, two reference directions % to the longitudinal axis y, the heart, are displayed at an angle of 0. In the benefit tool (1 〇〇) of Fig. 1, the signal system in the first embodiment can be borrowed from 201200875 The reference direction α of the angle α, or a is compared and determined. Depending on the rotation of the instrument (1〇〇) around the z-axis, a first space orientation A can utilize α > %, and a second space orientation Using αι>α>α2, a third space toward c can be utilized /<α2 In a second embodiment, the appliance 0〇〇) about the z-axis direction by the angle α may be the second reference direction α Shu,% by comparison - measured hysteresis mode. The order in which α depends on the reference directions % and % can describe the (4) and the - region of the fourth direction D-fifth direction £ (see the example sentence. For example, 'direction C Xiao D can be - height format And the orientation of eight and £ may represent the horizontal format of the display (120) of Figure 1: the other possible orientations include an inverted height format and an inverted horizontal format. Figure 3 shows the appliance of Figure i (1〇〇) A two-dimensional orientation in the figure: lead frame - ltter 'English: wirefr called form. The device corrects its X axis and rotates around its y axis, so that the gravitational acceleration & and the appliance ((10)) 2 axis clamp - angle... The illustrated cone (10)) has an opening angle Θ between the reference directions % and %. In the figure, the cone (10) is defined in a rotationally symmetrical manner around z 2 Γ and along the axis. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The orientation. Xiaodu "outside means the appliance (100) around this instrument (_ around its 1 _. M. y god's work orientation) F (Figure 4 no) is defined as follows: angle "located within -. within the boundaries of the gentry and heart In the figure, the female fruit gravity gain Fg is shown relative to the fixed cone of the device (1 〇〇) (the inside of the 21 延伸 extends, then the appliance (100) is oriented in the direction of the 遛. If the appliance (1〇〇8 201200875 is lying flat on the rafter), for example, the space orientation F can be accommodated by the appliance (1 〇〇) 4, and the appliance (1 〇〇) around its X-axis and y-sleeve The orientation G (not shown) can be defined by an angle α outside the limits % and %. Therefore, if the gravitational acceleration Fg extends outside the cone (210), in order to have hysteresis with different thresholds (as shown in Fig. 2) It can be implemented to define two cones with different opening angles and the same tip. The value of hysteresis is determined as the half of the opening angle difference of the cone. Hysteresis, or threshold, for different spatial designs, for example, 'can be used at the location of the cone via an ellipse. When a hysteresis is used, the orientation of the appliance is determined as described below with reference to Figure 4. Figure 4 shows the relationship between the angles of Figures 2 and 3 and the signals provided by Figure U. The angle is in the horizontal direction. 'The signal in the vertical direction is the figure (10). The two different examples of Figure 2 are shown in the direction of the space 〇 and E. Other orientations can also be used, especially for the dimension, as described in Figure 3. The pattern in the direction F and the dan u丄轱 diagram (4〇〇) is a hysteresis loop 'if the angle's value is from its minimum value (leftmost) to its most = value (far right) 'When the angle" exceeds the reference direction, the letter ^ switches from the direction D to the direction Ε. If the angle ^ passes its maximum (rightmost) to minimum (leftmost) values, then the angle is "less than the reference" The direction signal will switch from heading Ε back to direction D. The reference direction (4) and ^ in the above description can also be exchanged (vertauschen), which should be rotated one turn around the hysteresis loop of the arrow shown. Between the use of this to disturb the „[(4) will cause the fluctuation of the range of ... No.: Action: 201200875 The larger the hysteresis 0 is, the less sensitive the switching property of the adjacent space orientation of the appliance (100) is, but at the same time the robustness of the measurement operation to unwanted changes in signal or spatial orientation is improved. The value of the hysteresis θ from the difference between the two reference directions and α2 corresponds to the difference between the reference directions ^ of Fig. 2 and Fig. 3. Fig. 5 shows the temperature-dependent of the appliance (1〇〇) A coordinate graph. The upper coordinate graph shows the typical temperature-dependent error relationship of the individual acceleration sensors (8))~(10)), and the lower graph shows the hysteresis of FIG. Relationship with the temperature of the acceleration sensor 〇4〇). In the two-graph (510) (52 〇), the temperature is shown in the horizontal direction as the reference temperature, for example, it is equal to the indoor air temperature (about 25 C) T. Corresponding to the temperature, the temperature/sense (S1) of the upper graph (S) is optimized during operation. In the temperature trend shown, the sensors S1 to S4 have + The same linear error and deviation error have a small error in the range of T〇, the actual acceleration sensor 1) ~ (S sentence error can be set to the absolute value related to temperature, can be as high as 〇2g. The absolute influence of temperature on the angle measurement operation cannot be known by a given sensor (S1)~(S4). However, it can be determined by observing the majority of sensors (S1)~(S4). The effect of temperature on the typical manner of sensor (S1)-sentence accuracy (mean error), so the expected accuracy of the sensor can be evaluated or estimated based on this average value. The value of the magnetic force in (520) corresponds to the difference between the correlation minimum error and the associated maximum error of the sensors (S1) to (S4) in the upper graph (51〇) at each temperature. Preferably, the value of the hysteresis a is based on the trend shown in the chart below at 10 201200875 (520). The measurement of the acceleration sensors (S1) to (S4) of a large number of examples is measured by the Monte Carlo method (M〇nte-CarIo). Figure ό shows the method of providing signals in the device (1〇〇) of the figure! (6〇〇). This method (600) contains the state (61〇)~(67〇), in the state (“ο) the method (600) is in the initial state. Then the temperature is utilized in the state (62〇) The sensor (1 50) measures the temperature of the acceleration sensor (i 4 〇). Then in step (63 〇), the value of the hysteresis 根据 according to the measured temperature, which is explained above using FIGS. 2 to 5 Then, in step (640), the reference direction "丨 and ... comparison (compared in the category of hysteresis comparison described in Fig. 4) is determined based on the value of hysteresis 0. Finally, in step (67〇), the comparison is made accordingly. The result provides a signal indicating the appliance 2: spatial orientation. Finally the program (_) is rotated back to the initial state "(iv) and can be re-executed. With the invention 'a portable discretion' can be used (especially The measurement is reliable, and depending on the interference value, the measurement can be selected between the sensitivity of the device. A good compromise, for this reason - the user has adjusted the Is to be a better operability. The actual temperature of the individual acceleration sensor (14〇) is not required to be measured. [Simple description of the diagram] Figure 1 is a block diagram of a portable device; 2 is a one-dimensional spatial orientation of the appliance of Figure 1; 3 is a two-dimensional orientation of the appliance of Figure 1. The orientation of the tilting angle is 4 Figure 11 is a schematic diagram showing the relationship between the temperature and parameters of the appliance of Figure 1. Figure 6 is a diagram of the method for measuring signals in the appliance of Figure 1. [Description of main components] (100) Carrying device (110) Processing device (120) Display (130) Input device (140) Acceleration sensor (150) Temperature sensor (210) Cone (510) Upper graph (520) Lower graph (600) Method (610) Status (step) (620) Status (step) (630) Status (step) (640) Status (step) (650) Status (step) (660) Status (step) (670) Status (step) A first space facing B second space facing 12 2012 00875 c Third space orientation D Fourth space orientation E Fifth space orientation F Space orientation Fg Gravity acceleration SI Sensor S2 Sensor S3 Sensor S4 Sensor X Spatial direction y Spatial direction z Spatial direction a Angle 〇 Ii (angle α) reference direction Oil (angle α) reference direction 磁 hysteresis (hysteresis) 13