TWI408303B - Orientator - Google Patents
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- TWI408303B TWI408303B TW100128941A TW100128941A TWI408303B TW I408303 B TWI408303 B TW I408303B TW 100128941 A TW100128941 A TW 100128941A TW 100128941 A TW100128941 A TW 100128941A TW I408303 B TWI408303 B TW I408303B
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Abstract
Description
本發明係有關一種指向器，特別是指一種具有指向機構之指向器，其兼具定位準確及調整容易等優點及功效。The invention relates to a pointer, in particular to a pointer with a pointing mechanism, which has the advantages and functions of accurate positioning and easy adjustment.
一般來說，植物學家要研究與量化森林中樹葉在不同季節的變化，就必需要每隔一季回到同一個定點，將相機或攝影機鏡頭對準天頂拍攝上方的樹葉，且為了方便比對不同時間拍攝的照片，相機或攝影機之頂端，係需朝向一固定之方向。In general, botanists should study and quantify the changes of leaves in the forest in different seasons, and they must return to the same fixed point every other season, aiming the camera or camera lens at the top of the zenith, and for convenience comparison. Photographs taken at different times, at the top of the camera or camera, are oriented in a fixed orientation.
不論是相機或風向儀，在拍攝及測量上，都需要將其升高之空中以進行相關作業，當升高至一定高度時，若以肉眼去判別相機或風向儀之方向，在定位判斷上較為困難，具有不易調整之缺點，且容易造成準確率降低，進而導致拍攝、測量之誤差。Regardless of whether it is a camera or a wind direction meter, it is necessary to raise it in the air for related operations in shooting and measurement. When it is raised to a certain height, if the direction of the camera or the wind direction meter is discriminated by the naked eye, the positioning judgment is made. It is difficult, has the disadvantage of being difficult to adjust, and is likely to cause a decrease in accuracy, which in turn leads to errors in shooting and measurement.
因此，有必要研發新產品，以解決上述缺點及問題。Therefore, it is necessary to develop new products to solve the above shortcomings and problems.
本發明之目的在於提供一種指向器，其兼具定位準確及調整容易等優點及功效，用以解決習知技術定位準確率低及調整不易等問題。本發明解決上述問題之技術手段係提供一種指向器，其包括：一指向機構，其係具有一本體、一水平儀、一方向指示器、一鏡面及一缺口；該本體係具有一V形缺口，該水平儀、該方向指示器及該鏡面係設於該本體上，且該鏡面係由外往內向上傾斜一預定角度並具有一基準中線；一圓桿，其係具有一桿身及一儀器架設部，該桿身係可調整長度，而該儀器架設部係用以樞設一預定儀器；又，該預定儀器之影像係會投射至該鏡面；一連結部，用以將該指向機構樞設於該桿身上，且該本體之V形缺口係貼合於該桿身。The object of the present invention is to provide a pointer, which has the advantages and functions of accurate positioning and easy adjustment, and is used to solve the problems of low positioning accuracy and difficulty in adjustment of the prior art. The technical means for solving the above problems is to provide a pointing device, comprising: a pointing mechanism having a body, a level, a direction indicator, a mirror surface and a notch; the system has a V-shaped notch, The level, the direction indicator and the mirror are disposed on the body, and the mirror is inclined from the outside to the inside by a predetermined angle and has a reference center line; a round rod having a shaft and an instrument erection The shaft is adjustable in length, and the instrument erecting portion is configured to pivot a predetermined instrument; and the image of the predetermined instrument is projected onto the mirror; and a connecting portion for pivoting the pointing mechanism On the rod body, and the V-shaped notch of the body is attached to the shaft.
本發明之上述目的與優點，不難從下述所選用實施例之詳細說明與附圖中，獲得深入瞭解。The above objects and advantages of the present invention will be readily understood from the following detailed description of the preferred embodiments illustrated herein.
茲以下列實施例並配合圖式詳細說明本發明於後：The invention will be described in detail in the following examples in conjunction with the drawings:
如第一、第二A及第二B圖所示，本發明係為一種指向器，其包括：一指向機構10、一圓桿20及一連結部30；本發明係可應用於拍攝森林之樹葉的四季變化(如第二A圖所示)。As shown in the first, second, and second B drawings, the present invention is a pointer comprising: a pointing mechanism 10, a round rod 20 and a joint portion 30; the present invention can be applied to photographing leaves of a forest Seasonal changes (as shown in Figure A).
關於該指向機構10，其係具有一本體11、一水平儀12、一方向指示器13、一鏡面14及一缺口15；該本體11係具有一V形缺口111，該水平儀12、該方向指示器13及該鏡面14係設於該本體11上，且該鏡面14係由外往內向上傾斜一預定角度θ並具有一基準中線141。The pointing mechanism 10 has a body 11, a level 12, a direction indicator 13, a mirror 14 and a notch 15; the body 11 has a V-shaped notch 111, the level 12, the direction indicator 13 and the mirror surface 14 are disposed on the body 11, and the mirror surface 14 is inclined from the outside to the inside by a predetermined angle θ and has a reference center line 141.
該圓桿20係具有一桿身21及一儀器架設部22，該桿身21係可調整長度，而該儀器架設部22係用以樞設一預定儀器70(如相機、攝影機、風向儀)；又，該預定儀器70之影像係會投射至該鏡面14。The round bar 20 has a shaft 21 and an instrument mounting portion 22, wherein the shaft 21 is adjustable in length, and the instrument mounting portion 22 is configured to pivot a predetermined instrument 70 (such as a camera, a camera, a wind direction meter). Moreover, the image of the predetermined instrument 70 is projected onto the mirror 14.
而該連結部30係用以將該指向機構10樞設於該桿身21上，且該本體11之V形缺口111係貼合於該桿身21。The connecting portion 30 is configured to pivot the pointing mechanism 10 on the shaft 21 , and the V-shaped notch 111 of the body 11 is attached to the shaft 21 .
關於該水平儀12，係可為一般常見之氣泡水平儀或其他市售之水平儀(例如：數位水平儀)，氣泡水平儀係藉由氣泡之位置而判斷該指向機構10之水平位置；而關於該方向指示器13，係可為指北針或指南針；也就是說，本發明藉由該水平儀12及該方向指示器13，即可調整該指向機構10之方向及水平位置。The level 12 can be a commonly used bubble level or other commercially available level (for example, a digital level). The bubble level determines the horizontal position of the pointing mechanism 10 by the position of the bubble; 13, the system can be a north arrow or a compass; that is, the direction and horizontal position of the pointing mechanism 10 can be adjusted by the level 12 and the direction indicator 13 of the present invention.
在該鏡面14之設計方面，其向上傾斜之預定角度θ約為15度，使樞設於該儀器架設部22之預定儀器70之影像投射至該鏡面14中，並方便一使用者之眼睛50觀測(如第二B圖所示)；且藉由該基準中線141與該預定儀器70之影像的相對位置而可判斷該預定儀器70與該指向機構10之方向關係，進一步進行相對位置之調整。In the design of the mirror surface 14, the predetermined angle θ of the upward tilt is about 15 degrees, so that the image of the predetermined instrument 70 pivoted on the instrument erecting portion 22 is projected into the mirror surface 14, and is convenient for a user's eyes 50. Observing (as shown in FIG. 2B); and determining the relative relationship between the predetermined instrument 70 and the pointing mechanism 10 by the relative position of the reference center line 141 and the image of the predetermined instrument 70, further performing relative position Adjustment.
該連結部30係具有一帶部31及兩個接合部32，該帶部31係用以固定於該本體11上，而兩個接合部32係分別設於該帶部31之兩端，並可相互接合；該帶部31係可為一般常用之背帶類材質，而該接合部32係可為魔鬼氈；利用兩個魔鬼氈之黏合位置，即可調整該帶部31圍繞之長度，進而將該指向機構10束緊於不同直徑之圓桿20上(請參閱第三A、第三B、第四A及第四B圖)。The connecting portion 30 has a strap portion 31 and two engaging portions 32. The strap portion 31 is fixed to the main body 11, and the two engaging portions 32 are respectively disposed at two ends of the strap portion 31, and The belt portion 31 can be a commonly used strap type material, and the joint portion 32 can be a devil felt; by using the bonding position of the two devil felts, the length of the belt portion 31 can be adjusted, and then The pointing mechanism 10 is tightened to the round rods 20 of different diameters (see Figures 3A, 3B, 4A and 4B).
關於該本體11之缺口部15，係可供該連接部30通過，使該指向機構10可樞設於不同直徑之圓桿20。如第三A、第三B、第四A及第四B圖，一第一直徑D1之圓桿20及一第二直徑D2之圓桿20貼合該V形缺口111後，該連結部30係通過該缺口部15而將該指向機構10樞設於該圓桿20上。The notch portion 15 of the body 11 is adapted to pass the connecting portion 30 so that the pointing mechanism 10 can be pivoted to the round rod 20 of different diameters. For example, in the third A, the third B, the fourth A, and the fourth B, after the round rod 20 of the first diameter D1 and the round rod 20 of the second diameter D2 are attached to the V-shaped notch 111, the joint portion 30 The pointing mechanism 10 is pivotally mounted on the round bar 20 through the notch portion 15.
若沒有此缺口部15之設計，該連結部30只能沿該本體11之外緣進行束縛，當該圓桿20位於該V形缺口111內時，則該連結部30係無法將該圓桿20與該指向機構10束緊在一起；也就是說，在無該缺口部15之設計時，只有外徑大體上等於該V形缺口111寬度之圓桿20，才可在該圓桿20貼合該V形缺口111後，使該圓桿20外緣超出該V字缺口而可被連結部30束緊。Without the design of the notch portion 15, the connecting portion 30 can only be bound along the outer edge of the body 11. When the round bar 20 is located in the V-shaped notch 111, the connecting portion 30 cannot be used for the round bar. 20 is tightly bundled with the pointing mechanism 10; that is, in the absence of the design of the notch portion 15, only the round bar 20 having an outer diameter substantially equal to the width of the V-shaped notch 111 can be attached to the round bar 20. After the V-shaped notch 111 is closed, the outer edge of the round bar 20 is beyond the V-shaped notch and can be tightened by the connecting portion 30.
關於本發明之使用流程，係分為下列步驟：Regarding the use flow of the present invention, it is divided into the following steps:
步驟一：如第二A及第二B圖所示，將該圓桿20固定於拍照(或攝影)地點，並伸長該桿身21而將該預定儀器70升至空中；接著，將該指向機構10樞設於該圓桿20上。Step 1: As shown in the second A and second B diagrams, the round bar 20 is fixed at a photographing (or photographing) location, and the shaft 21 is elongated to raise the predetermined instrument 70 into the air; then, the pointing The mechanism 10 is pivotally mounted on the round bar 20.
步驟二：依投影至該鏡面14上之預定儀器70影像，調整該指向機構10，使該指向機構10於該圓桿20上轉動，直到該鏡面14上之基準中線141對準該預定儀器70頂部71，使該指向機構10與該預定儀器70之方向達到一致。如第五圖所示，投影至該鏡面14上之預定儀器影像70A，其預定儀器頂部影像70B係與該基準中線141有明顯的偏差，表示該指向機構10與該預定儀器70之方向並不一致；如第六圖所示，該指向機構10於該圓桿20進行轉動調整後，投影至該鏡面14上之預定儀器影像70A，其預定儀器頂部影像70B係與該基準中線141係完全對應，表示該指向機構10與該預定儀器70之方向達到一致。Step 2: Adjust the pointing mechanism 10 according to the image of the predetermined instrument 70 projected onto the mirror 14, and rotate the pointing mechanism 10 on the round bar 20 until the reference center line 141 on the mirror 14 is aligned with the predetermined instrument. The top 71 of the 70 makes the pointing mechanism 10 coincide with the direction of the predetermined instrument 70. As shown in the fifth figure, the predetermined instrument image 70A projected onto the mirror surface 14 has a predetermined deviation from the reference center line 141, indicating that the pointing mechanism 10 is in the direction of the predetermined instrument 70. Inconsistent; as shown in FIG. 6 , the pointing mechanism 10 is rotated and adjusted by the round bar 20 to be projected onto the predetermined instrument image 70A on the mirror surface 14 , and the predetermined instrument top image 70B is completely aligned with the reference center line 141 . Correspondingly, it indicates that the pointing mechanism 10 is in the same direction as the predetermined instrument 70.
步驟三：如第七圖所示，轉動該圓桿20使該指向機構10與該預定儀器70同時轉動，並藉由該方向指示器13之方向指示而使該指向機構10與該預定儀器70朝向預定之方向(例如：將該預定儀器70之頂部71朝向北方)；最後，調整該圓桿20垂直角度，直至該指向機構10上之水平儀12達到水平，即完成該預定儀器70之方向及水平定位。Step 3: As shown in the seventh figure, the round rod 20 is rotated to rotate the pointing mechanism 10 simultaneously with the predetermined instrument 70, and the pointing mechanism 10 and the predetermined instrument 70 are indicated by the direction indication of the direction indicator 13. Orienting toward a predetermined direction (for example, facing the top 71 of the predetermined instrument 70 toward the north); finally, adjusting the vertical angle of the round bar 20 until the level 12 on the pointing mechanism 10 reaches a level, that is, completing the direction of the predetermined instrument 70 and Horizontal positioning.
本發明係可應用於各種儀器之方向及水平定位(例如：相機、風向儀)，舉例來說：植物學家要研究森林中樹葉在不同季節的變化，就必需要每隔一季回到同一個定點，且為了方便比對不同時間拍攝的照片，相機或攝影機之頂端，係需朝向一固定之方向，而例用本發明之方向及水平定位，即可使每一次的拍攝位置、方向及水平大體上相同，進而於不同季節拍出同一方向、角度之照片，以方便觀察季節之變化。The invention can be applied to the orientation and horizontal positioning of various instruments (for example: camera, wind direction meter). For example, if a botanist studies the changes of leaves in the forest in different seasons, it is necessary to return to the same season every other season. Fixed point, and in order to facilitate comparison of photos taken at different times, the top of the camera or camera needs to be oriented in a fixed direction, and the direction and horizontal positioning of the present invention can be used to make each shooting position, direction and level. In general, the photos of the same direction and angle are taken in different seasons to facilitate observation of seasonal changes.
另外，如第八圖所示，本發明係又包括一尺具60，設於該儀器架設部22上，並往特定方向水平延伸(例如：等同於該預定儀器70之頂部71方向向外延伸)；以該尺具60作為該預定儀器70之基準，並利用投影至該鏡面14中之尺具60影像與該基準中線141之相對關係，進行該指向機構10與該預定儀器70之方向調整；又，該尺具60係具有一尺具本體61及一中線62，且該尺具本體61與該中線62係不同之顏色；舉例來說：該尺具本體61係可為紅色，而該中線62係為白色，使該尺具60投影至該鏡面14時，可呈現明顯之尺具影像60A(如第九圖所示)，尤其是在該預定儀器70升高至離地面5公尺以上時，這樣紅白相間之設計可以讓指向更為準確。當然，在實務上，該預定儀器影像70A及該尺具影像60A都會投影至該鏡面14，但在第九圖中，為針對該尺具60進行說明，故僅呈現該尺具影像60A進行示意，而該預定儀器影像70A於圖中未示。In addition, as shown in the eighth embodiment, the present invention further includes a ruler 60 disposed on the instrument mounting portion 22 and extending horizontally in a specific direction (for example, extending outward from the top 71 of the predetermined instrument 70). Taking the ruler 60 as the reference of the predetermined instrument 70, and using the relative relationship between the image of the ruler 60 projected into the mirror 14 and the reference center line 141, the direction of the pointing mechanism 10 and the predetermined instrument 70 is performed. Adjusting; further, the ruler 60 has a body 61 and a center line 62, and the ruler body 61 is different in color from the center line 62; for example, the ruler body 61 can be red And the centerline 62 is white, so that when the ruler 60 is projected onto the mirror 14, the visible image 60A (as shown in the ninth figure) can be presented, especially when the predetermined instrument 70 is raised to When the ground is more than 5 meters, the red and white design can make the pointing more accurate. Of course, in practice, the predetermined instrument image 70A and the ruler image 60A are projected onto the mirror surface 14. However, in the ninth figure, the ruler 60 is described. Therefore, only the ruler image 60A is presented for illustration. And the predetermined instrument image 70A is not shown in the figure.
綜上所述，本發明之優點及功效可歸納為：In summary, the advantages and effects of the present invention can be summarized as follows:
[1] 定位準確。一般之相機或風向儀，在拍攝及測量上，都需要將其升高之空中以進行相關作業，當升高至一定高度時，若以肉眼去判別相機或風向儀之方向，則會造成準確率降低，進而影響拍攝、測量之誤差；而本發明利用該指向機構10上該水平儀12及該方向指示器13，可準確的調整該預定儀器70之方向及水平，將誤差降至最低。[1] Positioning is accurate. In general, the camera or wind direction meter needs to raise the air in the shooting and measurement to carry out related work. When it is raised to a certain height, if the direction of the camera or the wind direction meter is determined by the naked eye, it will cause The accuracy is reduced, which in turn affects the error of shooting and measurement; and the present invention utilizes the level 12 and the direction indicator 13 on the pointing mechanism 10 to accurately adjust the direction and level of the predetermined instrument 70 to minimize errors.
[2] 調整容易。一般相機或風向儀，在拍攝及測量上，都需要將其升高之空中以進行相關作業，當升高至一定高度時，若以肉眼去判別相機或風向儀之方向，在判斷上較為困難，具有不易調整之缺點；而本發明利用該指向機構10上該水平儀12及該方向指示器13，可準確的調整該預定儀器70之方向及水平，可有效解決一般技術以肉眼判斷而不易調整之缺點。[2] Adjustment is easy. Generally, the camera or wind direction meter needs to raise the air in the shooting and measurement to carry out related work. When it is raised to a certain height, it is difficult to judge the direction of the camera or the wind direction meter with the naked eye. The invention has the disadvantages that it is difficult to adjust; and the present invention utilizes the level 12 and the direction indicator 13 on the pointing mechanism 10 to accurately adjust the direction and level of the predetermined instrument 70, which can effectively solve the general technique and is difficult to adjust by visual judgment. The shortcomings.
以上僅是藉由較佳實施例詳細說明本發明，對於該實施例所做的任何簡單修改與變化，皆不脫離本發明之精神與範圍。The present invention has been described in detail with reference to the preferred embodiments of the present invention, without departing from the spirit and scope of the invention.
由以上詳細說明，可使熟知本項技藝者明瞭本發明的確可達成前述目的，實已符合專利法之規定，爰提出發明專利申請。From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objects, and the invention has been in accordance with the provisions of the patent law.
10．．．指向機構10. . . Pointing mechanism
11．．．本體11. . . Ontology
111．．．V形缺口111. . . V-shaped gap
12．．．水平儀12. . . Level
13．．．方向指示器13. . . Direction indicator
14．．．鏡面14. . . Mirror
141．．．基準中線141. . . Reference centerline
15．．．缺口15. . . gap
20．．．圓桿20. . . Round rod
21．．．桿身twenty one. . . Shaft
22．．．儀器架設部twenty two. . . Instrument erection
30．．．連結部30. . . Linkage
31．．．帶部31. . . Belt
32．．．接合部32. . . Joint
50．．．眼睛50. . . eye
60．．．尺具60. . . Ruler
60A．．．尺具影像60A. . . Ruler image
61．．．尺具本體61. . . Ruler body
62．．．中線62. . . Midline
70．．．預定儀器70. . . Scheduled instrument
70A．．．預定儀器影像70A. . . Scheduled instrument image
70B．．．預定儀器頂部影像70B. . . Schedule the top image of the instrument
θ．．．預定角度θ. . . Predetermined angle
D1．．．第一直徑D1. . . First diameter
D2．．．第二直徑D2. . . Second diameter
第一圖係本發明之指向器之分解示意圖The first figure is an exploded view of the pointer of the present invention
第二A圖係本發明之指向器應用於樹林之示意圖Figure 2A is a schematic view of the pointer of the present invention applied to the woods
第二B圖係本發明之指向器之示意圖The second B diagram is a schematic diagram of the pointer of the present invention
第三A圖係本發明之指向器設於外徑一之圓桿之示意圖The third A diagram is a schematic diagram of the pointer of the present invention disposed on the outer diameter of the round rod
第三B圖係本發明之指向器設於外徑一之圓桿之俯視示意圖The third B is a top view of the round rod of the outer diameter of the present invention.
第四A圖係本發明之指向器設於外徑二之圓桿之示意圖The fourth A diagram is a schematic diagram of the pointer of the present invention disposed on the outer diameter of the round rod
第四B圖係本發明之指向器設於外徑二之圓桿之俯視示意圖The fourth B is a top view of the round rod of the outer diameter of the present invention.
第五圖係本發明之指向器調整動作一之示意圖The fifth figure is a schematic diagram of the adjustment action of the pointer of the present invention.
第六圖係本發明之指向器調整動作二之示意圖The sixth figure is a schematic diagram of the adjustment action 2 of the pointer of the present invention.
第七圖係本發明之指向器與預定儀器之方向調整之示意圖The seventh figure is a schematic diagram of the direction adjustment of the pointer and the predetermined instrument of the present invention.
第八圖係本發明之第二實施例之示意圖Figure 8 is a schematic view of a second embodiment of the present invention
第九圖係本發明之第二實施例之尺具投射影像之示意圖Figure 9 is a schematic view showing a projected image of a ruler according to a second embodiment of the present invention.
10．．．指向機構10. . . Pointing mechanism
11．．．本體11. . . Ontology
111．．．V形缺口111. . . V-shaped gap
12．．．水平儀12. . . Level
13．．．方向指示器13. . . Direction indicator
14．．．鏡面14. . . Mirror
141．．．基準中線141. . . Reference centerline
15．．．缺口15. . . gap
20．．．圓桿20. . . Round rod
21．．．桿身twenty one. . . Shaft
22．．．儀器架設部twenty two. . . Instrument erection
30．．．連結部30. . . Linkage
31．．．帶部31. . . Belt
50．．．眼睛50. . . eye
70．．．預定儀器70. . . Scheduled instrument
θ．．．預定角度θ. . . Predetermined angle
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100128941A TWI408303B (en) | 2011-08-12 | 2011-08-12 | Orientator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100128941A TWI408303B (en) | 2011-08-12 | 2011-08-12 | Orientator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201307715A TW201307715A (en) | 2013-02-16 |
| TWI408303B true TWI408303B (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100128941A TWI408303B (en) | 2011-08-12 | 2011-08-12 | Orientator |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI408303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113091B (en) * | 2020-09-29 | 2021-11-12 | 敦少杰 | Mapping equipment for field geographic information and measuring method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005024342A1 (en) * | 2003-09-08 | 2005-03-17 | Mortlach Holdings Pty Ltd | Laser alignment system |
| TWM290235U (en) * | 2005-11-22 | 2006-05-01 | Hua-Ding Bai | Laser projector |
| TW200632283A (en) * | 2005-03-01 | 2006-09-16 | Jian-Hua Pu | Automatic laser pointing module |
| TWM348945U (en) * | 2008-07-22 | 2009-01-11 | Kao Long Engineering Co Ltd | Shaft structure improvement of a laser level receiving device |
| TWM369413U (en) * | 2009-07-13 | 2009-11-21 | qin-min Pan | Inverted balance-type mounting rack for camera |
| TWM370069U (en) * | 2009-08-06 | 2009-12-01 | Precaster Entpr Co Ltd | Electronic view capture apparatus for leveling instrument |
-
2011
- 2011-08-12 TW TW100128941A patent/TWI408303B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005024342A1 (en) * | 2003-09-08 | 2005-03-17 | Mortlach Holdings Pty Ltd | Laser alignment system |
| TW200632283A (en) * | 2005-03-01 | 2006-09-16 | Jian-Hua Pu | Automatic laser pointing module |
| TWM290235U (en) * | 2005-11-22 | 2006-05-01 | Hua-Ding Bai | Laser projector |
| TWM348945U (en) * | 2008-07-22 | 2009-01-11 | Kao Long Engineering Co Ltd | Shaft structure improvement of a laser level receiving device |
| TWM369413U (en) * | 2009-07-13 | 2009-11-21 | qin-min Pan | Inverted balance-type mounting rack for camera |
| TWM370069U (en) * | 2009-08-06 | 2009-12-01 | Precaster Entpr Co Ltd | Electronic view capture apparatus for leveling instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201307715A (en) | 2013-02-16 |
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