JPS6416760U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show a small-sized copying machine according to an embodiment of the binarization circuit of the present invention, in which Fig. 1 is an exploded perspective view, Figs. 2 and 3 are front and rear views, and Fig. 4 is an exploded perspective view.
The figure is a vertical front view, Figure 5 is a vertical front view with an ink tape cassette loaded, Figures 6 and 7 are vertical side views of the printing state and reading state, and Figures 8 and 9 are the reading unit. 10 is an exploded perspective view of the ink tape cassette, FIG. 11 is a schematic diagram showing the basic configuration of the small-sized copying device, and FIG. 12 shows the overall configuration of the electronic circuit of the small-sized copying device. The block diagram shown in FIG. 13 is a circuit diagram showing the internal structure of the A/D conversion section of the small-sized copying machine. 1...Device body, A...Front case block,
1a...Front case, B...Rear case block, 1b...Rear case, C...Chassis block, 2
…Operation start switch, 3…Enlarged print designation key, 4…Reset/clear key, 5…Reading width designation switch, 6…Mode selection switch, 7a…LED for power ON indication, 7b…LE for display of remaining memory amount
D, 7c... Speed warning LED, 8... Print density adjustment knob, 12... Control unit, 12a... Circuit board, 14a, 14b... Main contact roller, 16... LED
Array, 17... Paper surface detection switch, 17a... Operating pin, 18... Auxiliary roller unit, 18a, 18
b... Auxiliary paper contact roller, 19... Lifting plate, 21
...Cam groove, 22...Cam groove engagement pin, 24...Main encoder unit, 26, 48...Rotating disk, 2
6a, 48a...slit, 27...rotation amount detector,
28... Rotation transmission belt, 30... Printing head unit, 32... Thermal printing head, 33... Pressing spring, 39... Ink tape winding unit, 40... Ink tape winding shaft, 41... Winding shaft drive motor, 4
3, 44, 45, 46... Gear, 47... Motor encoder unit, 49... Rotation detector, 50... Supply side spool engagement shaft, 54... Reading unit, 56
. . . Reading section circuit board, 57 . . . One-dimensional image sensor, 60 . ... Supply side spool, 81 ... Ink tape, 101 ... Control circuit, 102 ... Timing signal generation section, 103 ... Speed detection section, 104 ... Motor drive control section, 105 ... Key and switch, 10
6...Temperature sensor, 107...LED section, 108...Amplifier, 109...A/D conversion section, 110...Serial/parallel conversion section, 111...Address counter,
112...Reading width memory address control unit, 113
...Data selector, 114...Image data memory,
115...Thermal head drive circuit, 116a, 1
16b...Switch, 117...Addition circuit, 118...
CCD transfer circuit, 119...amplifier, 120...inverting circuit, 121...comparator, 122...filter, a...original, b...recording paper.

Claims (1)

[Scope of utility model registration request] An image sensor comprising a plurality of light receiving elements, means for storing and transferring electrical signals output from the image sensor for each of the plurality of light receiving elements, and means for inputting output signals from the image sensor to the storing and transferring means. a means for inverting the transfer signal from the storage and transfer means; a means for adding the inverted output signal from the inversion means and an electrical signal from the image sensor; 1. A binarization circuit comprising means for obtaining a converted output signal.