发明名称 RECORDING CASSETTE PROVIDED WITH COUNTER DISPLAY DEVICE
摘要 PURPOSE:To display counter interlocking with recording apparatus with a simple constitution by providing a cassette with an electrochromic display for counter display and input contacts for an electric signal driving the display. CONSTITUTION:The electrochromic display (ECD) for counter display is provided with the input contact 103g inputting electric signals driving the ECD and a display part and upper and lower electrodes 103d, 103b, etc. are laminated on a substrate 103a. Two ECDs 103 are prepared and adhered turning the edge of a cassette housing 101 so as to be reversed each other. The cassette 1 having said constitution is set to a camera and the driving device is engaged with a hub 102a and contacted with a disc 102. Therefore, a signal to be counted is displayed on the display part of the ECD103 through the contact 103g as a colored numeral and observed through the window of a camera case. Even if the cassette is replaced on the way of display, the display is kept as it is by the storage characteristics of the ECD.
申请公布号 JPS5977682(A) 申请公布日期 1984.05.04
申请号 JP19820077084 申请日期 1982.05.08
申请人 NIHON KOUGAKU KOGYO KK 发明人 TOYODA KENJI
分类号 G03B17/26;G03B17/18;G11B23/03;G11B23/033;G11B23/42 主分类号 G03B17/26
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