.201118029 六、發明說明： 【發明所屬之技術領域】 本發明關於一種應用於電梯的影像系統，尤其關於一 種從電梯升降道內背投影於電梯出入口玻璃門之影像系 統。 【先前技術】 US2009/0 057069A1揭示一種在電梯內或在電梯附近使 用的顯示裝置，可對等待電梯或搭乘電梯的乘客提供影像 # 及聲音訊息。 【發明內容】 本發明之目的在於提供一種從電梯升降道內背投影於 電梯出入口玻璃門之影像系統，能夠於出入口門上顯示影 像訊息。 本發明之目的在於提供一種從電梯升降道內背投影於 電梯出入口玻璃門之影像系統，使用出入口門作爲背投影 螢幕，以對等待電梯之乘客提供影像訊息。 ^ 爲了達成上述目的及其他目的，根據本發明之從電梯 升降道內背投影於電梯出入口玻璃門之影像系統包含一電 梯轎廂；一升降道，該電梯轎廂係在該升降道內移動；複 數個出入口門，該等出入口門係對應於複數個停靠樓層設 至於該升降道之開口處；及一投影機，其設於該升降道內。 該等出入口門包含一具有透光區域的出入口門，即該等出 入口門之其中一者具有透光區域，該投影機係將影像投射 於該透光區域內。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image system applied to an elevator, and more particularly to an image system for projecting from the inside of an elevator hoistway to a glass door of an elevator entrance and exit. [Prior Art] US 2009/0 057 069 A1 discloses a display device for use in or near an elevator to provide an image # and a voice message to a passenger waiting for an elevator or taking an elevator. SUMMARY OF THE INVENTION An object of the present invention is to provide an image system that projects from the inside of an elevator hoistway to a glass door of an elevator entrance and exit, and can display an image message on the entrance and exit door. SUMMARY OF THE INVENTION It is an object of the present invention to provide an image system that projects from the inside of an elevator hoistway to a glass door of an elevator entrance and exit, using an entrance door as a rear projection screen to provide image information to passengers waiting for the elevator. In order to achieve the above and other objects, an image system for projecting from the inside of an elevator hoistway to an elevator entrance glass door according to the present invention includes an elevator car; a hoistway in which the elevator car moves; a plurality of entrance and exit doors corresponding to a plurality of landing floors disposed at an opening of the hoistway; and a projector disposed in the hoistway. The access doors include an access door having a light transmissive area, i.e., one of the access doors has a light transmissive area, and the projector projects an image into the light transmissive area.
201118029 根據本發明之另一態樣，具有透光區域的出入口門係 以透光材質所形成。透光材質可爲玻璃、強化玻璃或防爆 玻璃。較佳地’此出入口門係以防爆玻璃所形成，尤其是 將出入口門以防爆玻璃作成在垂直側緣無邊框的構造，兩 扇門靠在一起時，結合成一整面可投影玻璃表面，中線部 位的影像才不會受到阻礙。 根據本發明之另一態樣，從電梯升降道內背投影於電 梯出入口玻璃門之影像系統可包含一個或多個投影機。 根據本發明之另一態樣，從電梯升降道內背投影於電 梯出入口玻璃門之影像系統可包含積層於該透光區域的光 學薄膜。光學薄膜係一背投影薄膜（rear projection film)，免施加電壓。或者，光學薄膜包含一液晶層，可藉 由施加於該液晶層的電壓調整該液晶層的透光度。此類包 含液晶層的光學薄膜通常被稱爲調光薄膜、電控調光薄膜 或智慧薄膜（smart film)。 本發明所屬技術領域中具有通常知識者，在閱讀此說 明書之後，將可理解本發明其他目的及優點。 【實施方式】 以下將參照附圖說明根據本發明之較佳實施例。儘管 附圖及較佳實施例顯示本發明之諸多細節，本發明並不限 於所示之細節。附圖僅供說明之用，並未依比例繪製。 第1圖顯示根據本發明第1實施例之從電梯升降道內 背投影於電梯出入口玻璃門之影像系統，其整體以元件符 號1標示。 201118029 影像系統1包含：電梯轎廂10、升降道20以及第1出 入口門21、第2出入口門22及第3出入口門23。 電梯轎廂10係經由鋼索13、皮帶或其他類似構件與配 重13連接。鋼索13係繞過驅動滑輪12,驅動滑輪12係由 未圖示之馬達轉動。 第1出入口門21、第2出入口門22及第3出入口門 23係分別對應於第1樓層F1、第2樓層F2及第3樓層F3 設置於升降道13之開口處》第1出入口門21整體係由防 • 爆玻璃所形成，所以整個第1出入口門21是透光區域，使 得第1出入口門21可作用成背投影螢幕（rear proj ect ion screen)。也可將第1出入口門的一部分以防爆玻璃形成， 使得第1出入口門的一部分成爲透光區域。 影像系統1尙包含設置於升降道13內的第1投影機 31。當電梯轎廂10不在第1樓層F1時，例如離開第1樓 層F1或在第2或第3樓層待機時，第1投影機31將影像 投射在第1出入口門21，形成第1顯示區A1，如第2圖所 示。所投射的影像包含靜態影像及動態影像。所投射的影 像內容例如包括廣告、娛樂影片、娛樂節目、時事新聞、 天氣預報、生活資訊、交通時刻表、教育宣導、裝飾性花 紋圖案及藝術創作等等，但不限於此。當欲搭乘電梯的乘 客在第1樓層F1等待電梯時’第1出入口門21係作用成 顯示螢幕（尤其是背投影螢幕）供等待電梯的乘客觀看" 較佳地，在第1出入口門21附近設置揚聲器，以播送影片 之聲音訊息。 201118029 爲了在各種視角（viewing angle)範圍內增強投射在第 1出入口門21之影像的對比及色彩，較佳地將光學薄膜40 積層於第1出入口門21之背面，即升降道側之面。光學薄 膜40係被設計成用於積層於透明基板上作爲背投影螢幕使 用。光學薄膜 40可採用市售的背投影薄膜（rear projection film)0 第3圖顯示根據本發明第2實施例之影像系統，其與 前述實施例類似，因此相同的元件將以相同的元件符號標 • 示，並省略其說明。 第3圖所示之第2實施例與第1圖所示之第1實施例 差異在於第2實施例之影像系統1又包含設置於升降道內 的第2投影機32。如第4圖所示，第1投影機31係將影像 投射於第1出入口門21，以在第1出入口門21之上半部形 成第1顯示區A1，而第2投影機32係將影像投射於第1出 入口門21，以在第1出入口門21之下半部形成第2顯示區 ^ A2。雖然在此例中第1顯示區A1係與第2顯示區A2鄰接， 但是亦可將第1投影機31及第2投影機32設置成，第1 顯示區A1係與第2顯示區A2隔開，或第1顯示區A1與第 2顯示區A2重疊或局部重疊。 取代背投影薄膜，可採用包含液晶層的光學薄膜，可 藉由施加於液晶層的電壓調整液晶層的透光度。此類包含 液晶層的光學薄膜通常被稱爲調光薄膜、電控調光薄膜或 智慧薄膜，亦可被積層於透明基板上作爲背投影螢幕使用》 可在投影機的影像投射路徑設置透鏡或反射器等光學 201118029 元件。例如，投影機係設置於與出入口門同一側的井壁上， 然後在相對的井壁上設置反射器。藉由反射器之設置，投 影機能夠將影像投射於位於同一側的出入口門。藉此，對 於投影機的設置位置將具有更多選擇。例如，投影機可設 置於四面升降道壁的任一面或便於保養維護的位置。 應瞭解的是，雖然本發明之實施例係參照設於三層樓 層的影像系統而說明，但本發明之影像系統係可實施於具 有多層樓層或包含地下樓層的建物，且未必每一樓層都設 籲有出入口門。 被使用作爲背投影螢幕的出入口門通常設於建物的大 廳樓層或出入樓層，也可以設於多部電梯之間的轉乘樓 層。被使用作爲背投影螢幕的出入口門未必是設於第1樓 層，也可能設置於第1樓層以外的其他樓層。亦可依據建 物內人員的移動特性決定被使用作爲背投影顯示螢幕的出 入口門之設置樓層，例如將此出入口門設置於會有較多人 _ 等待電梯的樓層。 應瞭解的是，雖然在所述實施例中僅有一個樓層的出 入口門被使用作爲背投影螢幕，但在同一個升降道上可以 有複數個出入口門被使用作爲背投影螢幕。 雖然本發明參照較佳實施例而進行說明示範，惟應了 解的是在不脫離本發明之精神及範疇內，對於本發明所屬 技術領域中具有通常知識者而言，仍得有許多變化及修 改。因此’本發明並不限制於所揭露的實施例，而是以後 附申請專利範圍之文字記載爲準，即不偏離本發明申請專 201118029 利範圍所爲之均等變化與修飾，應仍屬本發明之涵蓋範圍。 【圖式簡單說明】 第1圖顯示根據本發明影像系統的第1實施例； 第2圖爲第丨實施例中位於第1樓層的出入口門之正 視圖； 第3圖顯示根據本發明影像系統的第2實施例：及 第4圖爲第2實施例中位於第丨樓層的出入口門之正 視圖。201118029 According to another aspect of the present invention, an entrance door having a light transmitting region is formed of a light transmissive material. The light transmissive material can be glass, tempered glass or explosion-proof glass. Preferably, the entrance door is formed by explosion-proof glass, in particular, the entrance and exit door is made of explosion-proof glass and has no frame at the vertical side edge. When the two doors are close together, the whole surface can be combined to project the glass surface. The image of the line is not obstructed. In accordance with another aspect of the present invention, an image system that projects from the inside of the elevator hoistway to the entrance and exit glass doors of the elevator can include one or more projectors. In accordance with another aspect of the present invention, an image system that projects from the inside of the elevator hoistway to the glass door of the elevator entrance and exit may include an optical film laminated to the light transmissive region. The optical film is a rear projection film that is free of voltage application. Alternatively, the optical film comprises a liquid crystal layer, and the transmittance of the liquid crystal layer can be adjusted by the voltage applied to the liquid crystal layer. Such optical films comprising a liquid crystal layer are commonly referred to as dimming films, electronically controlled dimming films or smart films. Other objects and advantages of the present invention will be understood from the description of the appended claims. [Embodiment] Hereinafter, preferred embodiments according to the present invention will be described with reference to the accompanying drawings. Although the drawings and the preferred embodiments show numerous details of the invention, the invention is not limited to the details shown. The drawings are for illustrative purposes only and are not to scale. Fig. 1 is a view showing an image system which is projected from the inside of an elevator hoistway to a glass door of an elevator entrance and exit according to a first embodiment of the present invention, and is indicated by the symbol 1 as a whole. 201118029 The imaging system 1 includes an elevator car 10, a hoistway 20, a first entrance door 21, a second entrance door 22, and a third entrance door 23. The elevator car 10 is coupled to the counterweight 13 via a cable 13, belt or the like. The cable 13 is wound around the drive pulley 12, and the drive pulley 12 is rotated by a motor (not shown). The first entrance door 21, the second entrance door 22, and the third entrance door 23 are respectively provided at the opening of the hoistway 13 corresponding to the first floor F1, the second floor F2, and the third floor F3, respectively. It is formed by the anti-explosive glass, so that the entire first entrance door 21 is a light-transmitting area, so that the first entrance door 21 can function as a rear projection screen. A part of the first entrance door may be formed of explosion-proof glass so that a part of the first entrance door becomes a light-transmitting area. The video system 1A includes a first projector 31 provided in the hoistway 13. When the elevator car 10 is not on the first floor F1, for example, when leaving the first floor F1 or waiting for the second floor or the third floor, the first projector 31 projects the image on the first entrance door 21 to form the first display area A1. As shown in Figure 2. The projected image contains still images and motion pictures. The projected image content includes, for example, advertisements, entertainment videos, entertainment programs, current affairs news, weather forecasts, living information, traffic schedules, educational propaganda, decorative floral patterns, and artistic creations, but is not limited thereto. When the passenger who wants to take the elevator waits for the elevator on the first floor F1, the first entrance door 21 functions to display a screen (especially a rear projection screen) for the passenger waiting for the elevator to view " preferably, at the first entrance door 21 Set up a speaker nearby to broadcast the sound message of the movie. In order to enhance the contrast and color of the image projected on the first entrance door 21 in various viewing angles, it is preferable to laminate the optical film 40 on the back surface of the first entrance door 21, that is, the surface on the hoistway side. The optical film 40 is designed to be laminated on a transparent substrate for use as a rear projection screen. The optical film 40 can be a commercially available rear projection film. FIG. 3 is a view showing an image system according to a second embodiment of the present invention, which is similar to the foregoing embodiment, and therefore the same elements will be denoted by the same reference numerals. • Show and omit the description. The second embodiment shown in Fig. 3 differs from the first embodiment shown in Fig. 1 in that the video system 1 of the second embodiment further includes a second projector 32 provided in the hoistway. As shown in FIG. 4, the first projector 31 projects the video on the first entrance door 21 to form the first display area A1 in the upper half of the first entrance door 21, and the second projector 32 displays the image. It is projected on the first entrance door 21 to form the second display area A2 in the lower half of the first entrance door 21. In this example, the first display area A1 is adjacent to the second display area A2, but the first projector 31 and the second projector 32 may be arranged such that the first display area A1 is separated from the second display area A2. On, or the first display area A1 overlaps or partially overlaps the second display area A2. Instead of the back projection film, an optical film comprising a liquid crystal layer can be used, and the transmittance of the liquid crystal layer can be adjusted by the voltage applied to the liquid crystal layer. Such an optical film comprising a liquid crystal layer is generally called a dimming film, an electronically controlled dimming film or a smart film, and can be laminated on a transparent substrate as a rear projection screen. A lens can be disposed on the image projection path of the projector or Reflector and other optical 201118029 components. For example, the projector is placed on the well wall on the same side as the entrance and exit door, and then a reflector is placed on the opposite well wall. With the reflector settings, the projector can project images onto the entrance and exit doors on the same side. Thereby, there will be more choices for the setting position of the projector. For example, the projector can be placed on either side of the four-sided hoistway wall or in a location that is easy to maintain. It should be understood that although the embodiments of the present invention are described with reference to an image system provided on a three-story floor, the image system of the present invention can be implemented on a building having multiple floors or floors, and not necessarily every floor. There is a door to the entrance. The entrance and exit doors used as rear projection screens are usually located on the hall floor or access floor of the building, and can also be located in the transfer floor between multiple elevators. The entrance and exit doors used as the rear projection screen are not necessarily provided on the first floor, and may be installed on other floors than the first floor. The setting floor of the entrance door used as the rear projection display screen can also be determined according to the movement characteristics of the personnel in the building. For example, the entrance door is set to a floor where there are more people waiting for the elevator. It should be understood that although only one floor entry door is used as the rear projection screen in the illustrated embodiment, a plurality of door openings may be used as the rear projection screen on the same hoistway. While the invention has been described with respect to the preferred embodiments of the present invention, it is understood that many changes and modifications may be made to those of ordinary skill in the art to which the invention pertains, without departing from the spirit and scope of the invention. . Therefore, the present invention is not limited to the disclosed embodiments, but is intended to be in accordance with the scope of the appended claims. Coverage. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a first embodiment of an image system according to the present invention; Fig. 2 is a front elevational view of the entrance door on the first floor in the third embodiment; and Fig. 3 shows an image system according to the present invention. The second embodiment and the fourth embodiment are front views of the entrance door on the second floor in the second embodiment.
要元 件符號說明】 1 1 影 像 系 統 10 電 梯 轎 廂 11 配 重 12 驅 動 滑 輪 13 鋼 索 20 升 降 道 21 第 1 出 入 P 門 22 第 2 出 入 □ 門 23 第 3 出 入 □ 門 31 第 1 投 影 機 32 第 2 投 影 機 40 光 學 薄 膜 A1 第 1 顯 示 區 A2 第 2 顯 示 區 F1 第 1 樓 層 201118029 F2 第2樓層 F3 第3樓層Explanation of the symbol of the component] 1 1 Image system 10 Elevator car 11 Counterweight 12 Drive pulley 13 Cable 20 Elevator 21 1st access P door 22 2nd access □ Door 23 3rd access □ Door 31 1st projector 32 2 Projector 40 Optical film A1 1st display area A2 2nd display area F1 1st floor 201118029 F2 2nd floor F3 3rd floor