| 摘要 |
PROBLEM TO BE SOLVED: To prevent service life of an instrument using a display device from being shortened by the physical or electric service life of a display, or the service life of design of a display part. SOLUTION: The display device is provided with a display unit 10 including the display and a display device main body 20 to which the display unit 10 is connected electrically and mechanically. The display unit 10 is connected in freely attachably and detachably to the display device main body 20 electrically and mechanically. Electric connection between the display unit 10 and the display device main body 20 is made by using a spring contact, for example. Mechanical connection between the display unit 10 and the display device main body 20 is made by using a claw, for example. |
