Shutter Button
Push-button
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Buttons on a handheld calculator.
Generic arcade game buttons.
A push-button (also spelled pushbutton) or simply “button is a simple switch mechanism for controlling some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed. Buttons are most often biased switches, though even many un-biased buttons (due to their physical nature) require a spring to return to their un-pushed state. Different people use different terms for the “pushing” of the button, such as press, depress, mash, and punch.
Uses
In industrial and commercial applications[disambiguation needed] push buttons can be linked together by a mechanical linkage so that the act of pushing one button causes the other button to be released. In this way, a stop button can “force” a start button to be released. This method of linkage is used in simple manual operations in which the machine or process have no electrical circuits for control.
Pushbuttons are often color-coded to associate them with their function so that the operator will not push the wrong button in error. Commonly used colors are red for stopping the machine or process and green for starting the machine or process.
Red pushbuttons can also have large heads (called mushroom heads) to for easy operation and to facilitate the stopping of a machine. These pushbuttons are called emergency stop buttons and are mandated by the electrical code in many jurisdictions for increased safety. This large mushroom shape can also be found in buttons for use with operators who need to wear gloves for their work and could not actuate a regular flush-mounted push button. As an aid for operators and users in industrial or commercial applications, a pilot light is commonly added to draw the attention of the user and to provide feedback if the button is pushed. Typically this light is included into the center of the pushbutton and a lens replaces the pushbutton hard center disk. The source of the energy to illuminate the light is not directly tied to the contacts on the back of the pushbutton but to the action the pushbutton controls. In this way a start button when pushed will cause the process or machine operation to be started and a secondary contact designed into the operation or process will close to turn on the pilot light and signify the action of pushing the button caused the resultant process or action to start.
In popular culture, the phrase “the button” (sometimes capitalized) refers to a (usually fictional) button that a military or government leader could press to launch nuclear weapons.
History
Buttons as control devices were unknown until the early 20th Century, with the possible exception of valves on wind instruments. Where small controls were needed, for example on Camera shutters, they were usually styled after latches or triggers. Early teleprinters had keyboards similar to keyboard instruments with white and black keys.
The earliest examples of buttons as currently understood were probably mechanical typewriter keys in the early 20th Century, followed by electromechanical devices such as teleprinters and teletypes. These became more closely associated with electrical switching when used as a component of devices such as the Enigma Machine, and became commonplace in around the 1960s.
See also
Big red button
Button accordion
Panic button
Reset button
Shutter button
Turbo button
External links
Spring Return Button by Sdor Kabai, The Wolfram Demonstrations Project.
Categories: Switches
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Dealextreme YN Remote Shutter Switch for Nikon Digital Camera
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Amico MC-N2 Camera Remote Control Shutter Release Cable for Nikon D80 D70s $55.60 Specification: Camera Remote Control equivalent with Nikon MC-N2. With “Lock” and “Timer start/stop” button. This Nikon Remote Control cable release is for: D70S, D80. Exposure time: 0S to 99hrs 59min 59s in one-second increments. Interval: 1s to 99hrs 59min 59s in one-second increments. Number of shots: 1 to 399,- -(unlimited). D80 Remote Shutter powered by 2AAA batteries(not included)… |
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Introduction to the Nikon D300 and D700 Series, Vol. 1: Basic Controls D300 / D300s / D700 Training DVD $19.99 Take great pictures with your DSLR! All you need is this training DVD and about two hours, and you’ll have the knowledge and the confidence to create the images you want. The topics are arranged in chapters, so you can move at your own pace, and return later to individual subjects. Take great pictures with your DSLR! All you need is this training DVD and about two hours, and you’ll have the knowl… |
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Introduction to the Nikon D90, Vol. 1: Basic Controls $5.00 Take great pictures with your Nikon D90! Understanding the important controls and settings and how they relate to real world shooting situations can be the difference between a good shot and a great one. This second volume takes you beyond the basic buttons and dials, and explores topics that can help your shooting improve and become more consistent! The Nikon D90 is a powerful piece of equipment… |
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Camera Copper Round Convexity Solid Shutter Button $14.69 If you don’t have a perfect Camera Shutter Button, you can’t use your camera to take pictures as the way you prefer to. Never look down upon the little Camera Shutter Button. Although it looks quite small as a part of the camera, the Cheap Shutter Button can play an important role during the process of taking a photograph. In one word, a high quality Camera Shutter Button is necessary to a camera. |
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Camera Copper Cupped Round Solid Shutter Button $14.69 If you don’t have a perfect Camera Shutter Button, you can’t use your camera to take pictures as the way you prefer to. Never look down upon the little Camera Shutter Button. Although it looks quite small as a part of the camera, the Cheap Shutter Button can play an important role during the process of taking a photograph. In one word, a high quality Camera Shutter Button is necessary to a camera. |
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Copper Round Solid Camera Shutter Button $14.69 If you don’t have a perfect Camera Shutter Button, you can’t use your camera to take pictures as the way you prefer to. Never look down upon the little Camera Shutter Button. Although it looks quite small as a part of the camera, the Cheap Shutter Button can play an important role during the process of taking a photograph. In one word, a high quality Camera Shutter Button is necessary to a camera. |
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Aiptek Mona Lisa Digital Photo Frame with Camera (8, 800 x 480, JPEG, 1GB Internal memory) $89.99 Type: Digital Photo Frames Aiptek Mona Lisa Digital Photo Frame with Camera Features Mona Lisa integrates the features of digital camera and digital photo frame. Mona Lisa is embedded 1GB flash memory, Li-Ion battery, and digital camera with 5 megapixel auto focus, making it the ideal product for grandpa and grandma who don’t use PC to download the pictures from digital camera. You simply need to remove the stand, hold the digital photo frame, and press the shutter button. 8“ TFT LCD screen (800×480 pixels) for playing back memorable pictures 5 megapixel camera with auto focus for taking snapshots (5 or 3 megapixel pictures) Removable and extendable stand for digitalizing old pictures up to 10×15 cm Auto slide show with multiple transition effects supported Supports high resolution pictures up to 16 megapixel Support 1 GB internal flash memory, SD, MMC, MS Pro card, and USB flash drive Included rechargeable Li-Ion battery for portable usage Sleep Mode as Auto Off function to save power Highlights : LCD Display 8-inch TFT LCD, 158 × 99 mm,16:9 aspect ratio Resolution 800×480 pixels Viewing angle 55 degree Brightness 300 cd/m², brightness adjustbale Contrast 300:1 Image sensor 5 megapixel (2592 × 1944) Camera Resolution 5 Mpx (2592 × 1944) Lens auto-focus lens Format JPEG Auto slide show & effect Yes Storage 1GB Internal Memory, SD/MMC/MS Pro Cards supported (max.card capacity 8GB) USB Flash Drive Yes AC-input 100~240 V, 50~60 Hz DC-output 5 V, 2 A Battery NP-120 1600 Am Li-Ion rechargeable, direct charging from power adapter Power Consumption 5 W 1 A Clock, Calendar,Alarm Yes Sleep Mode(Auto-off ) Yes, off / 30 mins / 1 hr / 2 hr /4 hr / 8 hr Remote Control Yes Dimension 270 × 180 × 240 mm (stand extended) Weight 710g with stand Package Content Mona Lisa DPF, Power Adapter,NP-120 Li-ion battery, Remote control, Stand, printed manual, application CD Warranty 24 months |
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Aiptek Mona Lisa Digital Photo Frame with Camera (UK, 8, 800 x 480, JPEG, 1GB Internal memory) $80.99 Expected release date 7 Days Type: Digital Photo Frames Aiptek Mona Lisa Digital Photo Frame with Camera Features Mona Lisa integrates the features of digital camera and digital photo frame. Mona Lisa is embedded 1GB flash memory, Li-Ion battery, and digital camera with 5 megapixel auto focus, making it the ideal product for grandpa and grandma who don’t use PC to download the pictures from digital camera. You simply need to remove the stand, hold the digital photo frame, and press the shutter button. 8“ TFT LCD screen (800×480 pixels) for playing back memorable pictures 5 megapixel camera with auto focus for taking snapshots (5 or 3 megapixel pictures) Removable and extendable stand for digitalizing old pictures up to 10×15 cm Auto slide show with multiple transition effects supported Supports high resolution pictures up to 16 megapixel Support 1 GB internal flash memory, SD, MMC, MS Pro card, and USB flash drive Included rechargeable Li-Ion battery for portable usage Sleep Mode as Auto Off function to save power Highlights : LCD Display 8-inch TFT LCD, 158 × 99 mm,16:9 aspect ratio Resolution 800×480 pixels Viewing angle 55 degree Brightness 300 cd/m², brightness adjustable Contrast 300:1 Image sensor 5 megapixel (2592 × 1944) Camera Resolution 5 Mpx (2592 × 1944) Lens auto-focus lens Format JPEG Auto slide show & effect Yes Storage 1GB Internal Memory, SD/MMC/MS Pro Cards supported (max.card capacity 8GB) USB Flash Drive Yes AC-input 100~240 V, 50~60 Hz DC-output 5 V, 2 A Battery NP-120 1600 Am Li-Ion rechargeable, direct charging from power adapter Power Consumption 5W 1A Clock, Calendar,Alarm Yes Sleep Mode(Auto-off ) Yes, off / 30 mins / 1 hr / 2 hr /4 hr / 8 hr Remote Control Yes Dimension 270 × 180 × 240 mm (stand extended) Weight 710g with stand Package Content Mona Lisa DPF, Power Adapter,NP-120 Li-ion battery, Remote control, Stand, printed manual, application CD Warranty 24 months |
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$27.83 shipped–$26.4 shipped–4-Button Car Remote Control & Wireless Remote Control Switch Board Module AK-JF04+AK-RK12S-12 $27.83 This is a brand new multifunctional four keys wireless small chili remote. Applied to family. car. motorcycle. garage. burglar alarm and industrial control and security. Wonderful wireless digital remote control switch for home appliance. Moreover. the remote control switch easy installation and use conveniently. This wireless remote control is very small and compact. Ideal for general purpose in receiving date and controlling signal. Used in garage door. roller shutter door or windows. remote control door lock. etc. |
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$4.49 shipped–$4 shipped–70cm Shutter Cable Release (Black) $4.49 Vibration caused by movement is unavoidable when pressing the shutter release button by hand and all photographers know how frustrating it is to have an otherwise great shot ruined by blurring. Well. now you can say good bye to spoilt pictures with this shutter release cord. |
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$5.5 shipped–$7.07 shipped–3m Remote Switch Shutter Release C1 for Canon EOS30 EOS33 (Black) $5.5 Two-level shutter button with halfway or complete pressing. slide to lock. Halfway pressing for autofocus; complete pressing for taking the picture. Press and slide it to lock the shutter for bulb photography.continuous shooting or long exposure. |
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$6.74 shipped–$6.74 shipped–RS-N3 Shutter Release Remote Cord for Nikon D90 (Black) $6.74 Compable with Nikon MC-DC2 remote commander. Two-level shutter button. slide to lock. |
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$7.72 shipped–$7.07 shipped–3m Remote Switch Shutter Release S1 for Sony A100 (Black) $7.72 Two-level shutter button with halfway or complete pressing. slide to lock. Halfway pressing for autofocus; complete pressing for taking the picture. Press and slide it to lock the shutter for bulb photography.continuous shooting or long exposure. |
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$7.75 shipped–$7.1 shipped–3m Remote Switch Shutter Release N1 for Canon EOSD30 EOSD60 (Black) $7.75 Two-level shutter button with halfway or complete pressing. slide to lock. Halfway pressing for autofocus; complete pressing for taking the picture. Press and slide it to lock the shutter for bulb photography.continuous shooting or long exposure. |
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$7.78 shipped–$7.13 shipped–3m Remote Switch Shutter Release N2 for Nikon D80 D70s (Black) $7.78 Two-level shutter button with halfway or complete pressing. slide to lock. Halfway pressing for autofocus; complete pressing for taking the picture. Press and slide it to lock the shutter for bulb photography.continuous shooting or long exposure. |
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$7.81 shipped–$7.15 shipped–3m Remote Switch Shutter Release C3 for Canon EOSD30 EOSD60 (Black) $7.81 Two-level shutter button with halfway or complete pressing. slide to lock. Halfway pressing for autofocus; complete pressing for taking the picture. Press and slide it to lock the shutter for bulb photography.continuous shooting or long exposure. |
March 17, 2008 6:45 pm 
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