JPS59166278A - Photoelectric detector for color selector - Google Patents
Photoelectric detector for color selectorInfo
- Publication number
- JPS59166278A JPS59166278A JP58041147A JP4114783A JPS59166278A JP S59166278 A JPS59166278 A JP S59166278A JP 58041147 A JP58041147 A JP 58041147A JP 4114783 A JP4114783 A JP 4114783A JP S59166278 A JPS59166278 A JP S59166278A
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric
- photoelectric detection
- sorting
- color
- particles
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
- B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
Landscapes
- Sorting Of Articles (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 本発明は色彩選別機の光電検出装置に関する。[Detailed description of the invention] The present invention relates to a photoelectric detection device for a color sorter.
従来の色彩選別機は、（第３図参照）竪形箱状の機枠１
の上壁部に振動装置２を備えた振動送穀樋３を設置する
と共に、その供給側に供給ホッパー４を装架して線膜装
＠５となし、また前記機枠１の内部下側に光電検比装＠
６．噴射ノズル装置７および集穀筒８．異色粒排出口９
を装備しに光宵選別至１０を固設し、該選別至１０と上
部に設けた振動送穀樋３とを流下樋１１によって連結す
る構成であるから、前記光電選別苗は大型化づると共に
、その内部構造が複離化して各機部の組立９点検、修理
等を不便にし、また、噴射ノズル装置の噴風作用によっ
て選別粒子に付着した粉塵が拡散状に学内に充満し、光
電検出装置の光源や受光素子の各透明面に飛散粉塵が粘
着または付着したり、選別粒が散乱して前記受光素子が
受光する透過または反射光線を断続的に遮断したりし、
ために受光素子の検出感度が不良化し、しばしばその選
別作用に誤動作を生ずる等の欠陥を有していた。The conventional color sorting machine (see Figure 3) has a vertical box-shaped machine frame 1.
A vibrating grain feeder 3 equipped with a vibrating device 2 is installed on the upper wall, and a feed hopper 4 is installed on the feed side of the feeder to form a wire membrane system@5. Photoelectric inspection equipment @
6. Injection nozzle device 7 and grain collecting cylinder 8. Different color grain outlet 9
The photoelectrically sorted seedlings are equipped with a light sorter 10 that is fixedly installed, and the sorter 10 and the vibrating grain feeding gutter 3 provided at the top are connected by the flow gutter 11. , the internal structure becomes complex, making it inconvenient to assemble, inspect, repair, etc. of each machine part, and the campus is filled with dust attached to the sorted particles due to the blast action of the injection nozzle device, causing photoelectric detection. Scattered dust may stick or adhere to each transparent surface of the light source or light receiving element of the device, or the sorted particles may be scattered and intermittently block the transmitted or reflected light rays received by the light receiving element,
As a result, the detection sensitivity of the light-receiving element deteriorates, and it often has defects such as malfunctions in its sorting action.
本発明は上記の諸欠点に鑑み、上端部に線膜装置を連結
した選別用棚部を設けてその内部に流下樋を嵌装すると
共に、該棚部の筒壁に前記流下軌跡に対向する光電検出
用開口部を設け、別に光源、受光素子、基準色板を関連
的に機枠に配設した光電装置を形設し、該光電装置を前
記光電検出用開口部に＠脱自在に装着Ｔることにより、
光源、受光素子、基準色板等の光学機器を、取外しでき
る別体の機枠から成る光電装置に収納して前述した飛散
粉塵および散乱する選別粒による被害を防止すると共に
、その点検修理および製作２組立等を簡単に、かつ容易
にし、また光電選別室および装置全体が小型に、かつコ
ンパクトに形成されてその運搬、設置等を便益にし、常
に高精度の色彩選別を実施して良質の選別粒を量産する
高性能な装置を開発して提供せんとするものである。In view of the above-mentioned drawbacks, the present invention provides a sorting shelf section connected to a line membrane device at the upper end thereof, a flow down gutter is fitted inside the shelf section, and a flow gutter is fitted in the cylindrical wall of the shelf section opposite to the flow trajectory. A photoelectric detection opening is provided, a photoelectric device is separately formed in which a light source, a light receiving element, and a reference color plate are related to each other in the machine frame, and the photoelectric device is removably attached to the photoelectric detection opening. By T.
Optical equipment such as the light source, light receiving element, reference color plate, etc. is housed in a photoelectric device consisting of a separate removable machine frame to prevent damage from the aforementioned flying dust and scattered sorted particles, as well as its inspection, repair, and production. 2. Assembly is simple and easy, and the photoelectric sorting room and the entire device are small and compact, making transportation and installation convenient, and high-precision color sorting is always performed to ensure high quality sorting. The aim is to develop and provide high-performance equipment for mass-producing grains.
本発明を実施例図について説明する。第１図に６いて、
符号１２′″４よ内部に流下ｖＡ１３を収納した選別用
靴部で、該棚部１２の下半部に光電選別室１４を設ける
と共に、上端部に線膜装置１５を連結し、また棚部１２
の底壁部中央に、制御装置、加温装置などを内蔵した制
御ボックス１６を連結して固定すると共に、該ボックス
１６を支柱１７に固着して一体的に形成した色彩選別機
である。The present invention will be explained with reference to embodiment figures. 6 in Figure 1,
Reference numeral 12''4 denotes a sorting shoe section that stores a flowing vA13 inside, and a photoelectric sorting chamber 14 is provided in the lower half of the shelf section 12, and a line film device 15 is connected to the upper end. 12
The color sorting machine is integrally formed by connecting and fixing a control box 16 containing a control device, a heating device, etc. to the center of the bottom wall of the machine, and fixing the box 16 to a column 17.
前記線膜装＠１５は、その箱枠１８の上半部に供給ホッ
パー４を装架してその下部に振動装置２を備えた振動送
穀樋３を設置し、また前記棚部１３の筒壁に、前記流下
樋１３から流出する穀粒の流下軌跡へに対向する光電検
出用開口部１８．１８を設け、別に光源１９．受光素子
２０、基準色板２１を機枠２２内に関連的に配設した光
電装置２３を形設し、該光電装＠２３を前記光電検出用
開口部１８に着脱自在に装着し、２４は光電装置と制御
装置を連絡する接続端子である。また前記光電選別室１
４内の流下軌跡Ａに対向して噴射ノズル装置７を設ける
と共に、棚部１３の下端部に前記流下軌跡Ａに連通する
集穀筒８を設け、またその側部に異色粒排出口９を開設
し、２５は飛散粒子防止壁である。The wire membrane system @ 15 has a supply hopper 4 mounted on the upper half of the box frame 18 and a vibrating grain feeder 3 equipped with a vibrating device 2 at the lower part thereof, and the tube of the shelf section 13 A photoelectric detection opening 18.18 is provided in the wall facing the trajectory of the grains flowing out from the downflow gutter 13, and a light source 19.18 is provided in the wall. A photoelectric device 23 is formed in which a light receiving element 20 and a reference color plate 21 are arranged in relation to each other in a machine frame 22, and the photoelectric device @23 is removably attached to the photoelectric detection opening 18. This is a connection terminal that connects the photoelectric device and the control device. In addition, the photoelectric sorting chamber 1
An injection nozzle device 7 is provided opposite the flow path A in the shelf 13, and a grain collecting cylinder 8 communicating with the flow path A is provided at the lower end of the shelf 13, and a different color grain discharge port 9 is provided on the side thereof. 25 is a wall to prevent flying particles.
上述の構成であるから、供給ホッパー４から振動送穀樋
３に流下する原料の異色粒混入粒子は振動装＠２の振動
作用によって下部の流下樋１３を流下し滑流して光電選
別室１４内を所定の流下軌跡Ａに沿って飛行状に流出す
る。前記選別室１４内では、異色粒子の反射光線を受光
素子２０が受光して信号を発し、その検出信号によって
噴射ノズル装置７が作動して適時に噴風する。その噴風
作用によって前記異色粒子を流下軌跡Ａから離脱し、離
脱した粒子は異色粒排出口９から流下して排除され、ま
た流下軌跡Ａに沿って流出する整粒子はそのまま集穀筒
８そ介して機外に取出されて次行程に委ねら才しる。With the above-mentioned configuration, particles mixed with different color grains of the raw material flowing down from the supply hopper 4 to the vibrating grain feed trough 3 flow down the lower downflow trough 13 by the vibration action of the vibrating device @ 2, and flow into the photoelectric sorting chamber 14. flows out in flight along a predetermined flow trajectory A. In the sorting chamber 14, the light receiving element 20 receives the reflected light beam from the different color particles and generates a signal, and the detection signal causes the injection nozzle device 7 to operate and spray air at a timely manner. The jet action causes the different colored particles to leave the flow path A, and the separated particles flow down from the different color particle outlet 9 and are removed, while the regular particles flowing out along the flow path A remain as they are in the grain collecting tube 8. It is then taken out of the aircraft via a cable and sent to the next stage.
そして前記光電選別室１４および光電装置２３を点検修
理Ｖる場合は、光電装置２３の機枠２２を選別用棚部１
２に設けた開口部１８から離脱してその接続端子２４を
切離すと、該開口部１８を介して光電選別室１０内部の
点検・清痒が簡単に実施できる。また、光電装置２３の
光源１９．受光素子２０．基準色板２１等の光学機器は
離脱する機枠２２に配設されるので、その点検修理およ
び製作・組立を簡単、かつ容易にそれぞれ実施できる。When inspecting and repairing the photoelectric sorting chamber 14 and the photoelectric device 23, move the machine frame 22 of the photoelectric device 23 onto the sorting shelf 1.
When the connecting terminal 24 is detached from the opening 18 provided in the photoelectric sorting chamber 2, the inside of the photoelectric sorting chamber 10 can be easily inspected and cleaned through the opening 18. Also, the light source 19 of the photoelectric device 23. Light receiving element 20. Since the optical devices such as the reference color plate 21 are disposed on the detachable machine frame 22, inspection, repair, manufacture, and assembly thereof can be carried out easily and easily.
特許請求の範囲第（２）項のものは、前記光電検出用開
口部が、前記錯簡の上下または左右の両局壁に対称的に
設けであるので、各開口部にそれぞれ光＠装置を装着す
ることにより、その一方で選別粒の反射光線を受光して
餅米・パーボイル米等の色彩選別を実施し、他方で選別
粒の透過光線を受光して白米・玄米等の色彩選別を実施
し、簡単な構造によって反９Ａおよび透過光線による異
種類の高精度な色彩選別を実施して選別性能および精度
を向上できる効果がある。According to claim (2), the photoelectric detection openings are provided symmetrically on both the upper and lower walls or the left and right walls of the structure, so that each opening is provided with a light@device. By installing it, on the one hand, it receives the reflected light from the sorted grains to perform color sorting of mochi rice, parboiled rice, etc., and on the other hand, it receives the transmitted light of the sorted grains to perform color sorting of white rice, brown rice, etc. However, with a simple structure, it is possible to carry out highly accurate color sorting of different types using anti-9A and transmitted light beams, thereby improving the sorting performance and accuracy.
なお、対称的に同口した前記靴部の各開口部に、一対の
光電装置を対向させて一体的な筒状光電装置に形成し、
この一体面な筒状光電装置を嵌挿して反射および透過光
線の両選別作用を行う場合もある。In addition, a pair of photoelectric devices are formed to face each other in each opening of the shoe portion having the same symmetrical opening to form an integral cylindrical photoelectric device,
In some cases, this integrated cylindrical photoelectric device is inserted to perform both the reflected and transmitted light selection functions.
特許請求の範囲第（３）項のものは、前記選別用他局が
、複数個の流下樋を並列状に配して収納したものである
ので、その各流下樋の流下軌跡に対応する開口部を前記
靴部面にそれぞれ設け、その開口部に前記光電装置をそ
れぞれ装着するだけで簡単な構造によって多連式色彩選
別機を形設でき、またその製作費を廉価にできる効果が
ある。According to claim (3), since the other sorting station stores a plurality of drainage troughs arranged in parallel, an opening corresponding to the flow locus of each of the drainage troughs is provided. A multi-color sorting machine can be formed with a simple structure by simply providing parts on the surface of the shoe part and mounting the photoelectric devices in the respective openings, and also has the effect of reducing the manufacturing cost.
特許請求の範囲第（４）項のものは、前記光電装置が、
前面を透明壁２６にした密閉状機枠２７の内部に光椋、
受光素子、基準色板を設けたものであるので、前記各光
学機器を前述した飛散粉塵および散乱する選別粒による
被害から完全に防止でき、選別感度を常時良好にし、か
つ安定的に継続できる効果がある。Claim (4) provides that the photoelectric device comprises:
Inside the sealed machine frame 27 with a transparent wall 26 on the front, there is a light beam,
Since it is equipped with a light receiving element and a reference color plate, it is possible to completely prevent each optical device from being damaged by the above-mentioned flying dust and scattered sorting grains, and the effect is that the sorting sensitivity can always be good and continue stably. There is.
なお、前記透明壁は密閉用機枠から取外して前記開口部
に固着して使用する場合があり、また前記光電装置は、
選別条件により光源、受光素子、基準色板の内、不用な
光学機器を除去して形設する場合がある。Note that the transparent wall may be removed from the sealing machine frame and used by being fixed to the opening, and the photoelectric device may be
Depending on the selection conditions, unnecessary optical equipment may be removed from among the light source, light receiving element, and reference color plate.
このように本発明の色彩選別機の光電検出装置は、色彩
選別機において光源、受光素子、基準色板等の光学機器
を別体の機枠に配設した光電装置を形設し、該光電装置
を選別用他局に設けた光電検出用開口部に＠脱自在に装
着するので、前述した飛散粉度および散乱する選別粒に
よる光電装置の被害を防止できると共に、光電装置の光
学機器の点検、修理および製作１組立等を簡単に、かつ
容易にし、また光電選別寮および装置全体が小型に、か
つコンパクトに形成されてその運搬、設置等を便益にし
、また多連式色彩選別機の装置構造を簡潔化でき、しか
もその製作費を廉価にし、常に高精度の色彩選別を実施
して良質の選別粒の量産を達成できる等の効果を奏する
ものである。As described above, the photoelectric detection device for a color sorter of the present invention is provided by forming a photoelectric device in which optical devices such as a light source, a light receiving element, and a reference color plate are arranged in a separate machine frame in a color sorter. Since the device is removably attached to the photoelectric detection opening provided in the other sorting station, it is possible to prevent damage to the photoelectric device due to the above-mentioned scattered powder and scattered sorting particles, and it is also possible to inspect the optical equipment of the photoelectric device. , repair and production 1 assembly are simple and easy, the photoelectric sorting dormitory and the entire device are small and compact, making transportation, installation, etc. convenient, and the device of the multiple color sorting machine. The structure can be simplified, the manufacturing cost can be reduced, and high-precision color sorting can be carried out at all times to achieve mass production of high-quality sorted grains.
図面は本発明の実施例図である。第１図は本装置を一部
切開した側面図、第２図はその要部の拡大断面図、第３
図は公知例の側断面図である。
１・・・機枠 ２・・・振動装置３・・・
振動送穀樋 ４・・・供給ホッパー５・・・線膜
袋口 ６・・・光電検出装置７・・・噴射ノズ
ル装置 ８・・・集穀筒９・・・異色粒排出口 １
０・・・光電選別室１１・・・流下ω １２・
・・選別用他局１３・・・流下樋 １４・・・
光電選別室１５・・・線膜装置 １６・・・制御
ボックス１７・・・支柱 １８・・・光電検
出用開口部１９・・・光源 ２０・・・受光
素子２１・・・基準色板 ２２・・・機枠２３・
・・光電装置 ２４・・・接続端子２５・・・飛
散粒子防止壁 ２６・・・透明壁２７・・・密閉状機枠The drawings are illustrations of embodiments of the present invention. Figure 1 is a partially cutaway side view of this device, Figure 2 is an enlarged sectional view of its main parts, and Figure 3 is a partially cutaway side view of the device.
The figure is a side sectional view of a known example. 1... Machine frame 2... Vibration device 3...
Vibrating grain feeder 4... Supply hopper 5... Line membrane bag opening 6... Photoelectric detection device 7... Injection nozzle device 8... Grain collection tube 9... Different color grain discharge port 1
0... Photoelectric sorting chamber 11... Downstream ω 12.
...Other stations for sorting 13...Downflow gutter 14...
Photoelectric sorting chamber 15... line film device 16... control box 17... pillar 18... photoelectric detection opening 19... light source 20... light receiving element 21... reference color plate 22.・Machine frame 23・
... Photoelectric device 24 ... Connection terminal 25 ... Scattering particle prevention wall 26 ... Transparent wall 27 ... Sealed machine frame
Claims (4)
流下し、その粒末の流下軌跡の周囲に光電検出装置と噴
射ノズル装置を設けて異色粒子を選別づる装置において
、上端部に線膜装置を連結した選別用靴部を設けてその
内部に前記流下樋を嵌装すると共に、該機部の筒壁に前
記流下軌跡に対向する光電検出用開口部を設け、別に光
源、受光素子、基準色板を関連的に獄枠に配設した光電
装置を形設し、該光電装置を前記光電検出用開口部に着
脱自在に装着しγこことを特徴とする色彩選別機の光電
検出装置。(1) In a device in which particles mixed with different color particles are allowed to flow down from a line film device through a falling gutter, and a photoelectric detection device and a spray nozzle device are installed around the falling trajectory of the particles to sort out the different color particles, the upper end portion A sorting shoe part connected to a line membrane device is provided in which the falling gutter is fitted, and a photoelectric detection opening facing the falling trajectory is provided in the cylindrical wall of the machine part, and a light source is separately provided, A color sorting machine characterized by forming a photoelectric device in which a light receiving element and a reference color plate are arranged in relation to each other in a frame, and detachably attaching the photoelectric device to the photoelectric detection opening. Photoelectric detection device.
は左右の両筒壁に対称的に設けである特許請求の範囲第
（１〉項記載の色彩選別板の光電検出装置。(2) The photoelectric detection device for a color sorting plate according to claim 1, wherein the photoelectric detection openings are provided symmetrically in the upper and lower or left and right cylindrical walls of the machine part.
列状に配して収納したものである特許請求の範囲第（１
）項記載の色彩選別機の光電検出装置。(3) Claim No. 1, wherein the sorting pipe is constructed by arranging and storing a plurality of drainage channels in parallel.
) A photoelectric detection device for the color sorter described in item 2.
枠の内部に光源、受光素子、基準色板を設けたものであ
る特許請求の範囲第（１）項記載の色彩選別機の光電検
出装置。(4) The color sorting machine according to claim (1), wherein the photoelectric device is provided with a light source, a light receiving element, and a reference color plate inside a closed frame with a transparent wall on the front side. photoelectric detection device.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58041147A JPS59166278A (en) | 1983-03-11 | 1983-03-11 | Photoelectric detector for color selector |
| DE19843404431 DE3404431A1 (en) | 1983-03-11 | 1984-02-08 | PHOTOELECTRIC SCANNER FOR COLOR SORTERS |
| GB08403289A GB2136955A (en) | 1983-03-11 | 1984-02-08 | Photoelectric Detection Device for Colour Sorting |
| IT8447720A IT8447720A0 (en) | 1983-03-11 | 1984-02-20 | PHOTOELECTRIC DETECTION DEVICE FOR COLOR CLASSIFICATION EQUIPMENT |
| KR1019840000927A KR840007979A (en) | 1983-03-11 | 1984-02-25 | Photoelectric detection device of color sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58041147A JPS59166278A (en) | 1983-03-11 | 1983-03-11 | Photoelectric detector for color selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166278A true JPS59166278A (en) | 1984-09-19 |
Family
ID=12600300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58041147A Pending JPS59166278A (en) | 1983-03-11 | 1983-03-11 | Photoelectric detector for color selector |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS59166278A (en) |
| KR (1) | KR840007979A (en) |
| DE (1) | DE3404431A1 (en) |
| GB (1) | GB2136955A (en) |
| IT (1) | IT8447720A0 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755285A (en) * | 2017-11-15 | 2018-03-06 | 南京冠鼎光电科技有限公司 | A kind of photoelectric mist alarm automatic inspection line |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61204072A (en) * | 1985-03-07 | 1986-09-10 | 株式会社 東洋精米機製作所 | Beam transmitting-window cleaner for optical selector |
| US5352888A (en) * | 1993-04-26 | 1994-10-04 | Esm International, Inc. | Method and apparatus for detecting and utilizing frame fill information in a sorting machine having a background and a color sorting band of light |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162374A (en) * | 1979-06-02 | 1980-12-17 | Satake Eng Co Ltd | Device for fixing trough body of color selector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5717842A (en) * | 1980-07-07 | 1982-01-29 | Satake Eng Co Ltd | Photoelectric sorting apparatus of color sorter |
| JPS57187628A (en) * | 1981-05-14 | 1982-11-18 | Satake Eng Co Ltd | Photo-electric detector for color selecting machine |
-
1983
- 1983-03-11 JP JP58041147A patent/JPS59166278A/en active Pending
-
1984
- 1984-02-08 DE DE19843404431 patent/DE3404431A1/en not_active Withdrawn
- 1984-02-08 GB GB08403289A patent/GB2136955A/en not_active Withdrawn
- 1984-02-20 IT IT8447720A patent/IT8447720A0/en unknown
- 1984-02-25 KR KR1019840000927A patent/KR840007979A/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162374A (en) * | 1979-06-02 | 1980-12-17 | Satake Eng Co Ltd | Device for fixing trough body of color selector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755285A (en) * | 2017-11-15 | 2018-03-06 | 南京冠鼎光电科技有限公司 | A kind of photoelectric mist alarm automatic inspection line |
| CN107755285B (en) * | 2017-11-15 | 2024-01-05 | 深圳市焰井科技有限公司 | Automatic detection line of photoelectric smoke alarm |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8403289D0 (en) | 1984-03-14 |
| IT8447720A0 (en) | 1984-02-20 |
| GB2136955A (en) | 1984-09-26 |
| KR840007979A (en) | 1984-12-12 |
| DE3404431A1 (en) | 1984-09-20 |
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