JPS63174764U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a circuit system in an example of a portable copying device according to the present invention, FIG. 2 is a partially cutaway perspective view of an example of a portable copying device according to the present invention,
Figure 3 is a sectional view taken along the line - in Figure 2;
4A, B and C are waveform diagrams used to explain the operation of the circuit system shown in FIG. 1. In the figure, 10 is a housing, 13 is a thermal recording unit, 17 is a CCD line image sensor, 19 is a control block, 20 is a rotary encoder, 21 is a power supply unit, 22 is a light emitting diode, 35 is a thermal head, and 36 is a control unit. circuit section, 52 is an image signal sending section, 61 is a nickel-cadmium battery, 67
81 is a battery voltage detection circuit, and 81 is a display section.

Claims (1)

[Claims for Utility Model Registration] An image recording unit that includes a thermal head that is brought into contact with a recording paper and performs recording on the recording paper based on an image signal; supplying the image signal to the image recording unit; and An operation control unit that controls recording operations in the image recording unit; and a battery that supplies operating voltage to each of the image recording unit and the operation control unit, and a current based on the operating voltage is supplied to the thermal head. a power supply unit provided with a battery voltage detection means for detecting the voltage between the terminals of the battery; a display regarding the recording operation state in the image recording unit; and a battery voltage detection means detected by the battery voltage detection means. A portable copying apparatus comprising: a display section that displays a state in which the voltage between the terminals of the battery drops below a predetermined voltage value;