JPH01166540U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a diagram showing the basic configuration of the present invention, Fig. 2 is a system circuit diagram of a facsimile machine according to the first embodiment and a configuration diagram of its plotter section, and Fig. 3 shows time on the horizontal axis and time on the vertical axis. Take the temperature of the thermal head,
FIG. 4 is a graph showing the temperature change of the thermal head during recording and stopping in Example 1 (the number of recorded pages corresponds to the bottom); FIG. Figure 5 shows time on the horizontal axis and temperature of the thermal head on the vertical axis.
A graph showing temperature changes in the thermal head during recording and stopping in Example 2, FIG. 6 is a block circuit diagram of a thermal recording device in the prior art, and FIG. 7 shows time on the horizontal axis and temperature of the thermal head on the vertical axis. Take
A graph showing the temperature change of the thermal head during recording and stopping, FIG. 8a is a diagram showing a normal thermal recording image,
FIG. 8b is a diagram showing a thermally recorded image when the thinning process is performed. DESCRIPTION OF SYMBOLS 1...Recording part (thermal head), 2...Storage memory, 3...Reading control means, 4...Temperature detection means, 5...Threshold value storage means, 6...Temperature comparison means, 7...Data thinning means , 8... Recording control means, 9... Thinning page storage means, 10... Memory control means.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A recording unit that performs thermal recording using a thermal head, a storage memory that stores image information, a readout control means that reads image information from the storage memory and transfers it to the recording unit, and a recording unit that performs thermal recording using a thermal head. a temperature detection means for detecting the temperature of the part; a threshold storage means for storing a threshold value T1 of the thinning start temperature; and a temperature comparison means for comparing the temperature T detected by the temperature detection means with the threshold value T1 of the storage means;
Data thinning means for uniformly thinning out the image information read from the storage memory when the comparison result of the temperature comparison means is T≧T1, and recording control means for controlling the operation timing of the recording section and readout control means. A thermal recording device comprising: a thinned page storage means for detecting and storing page data including image information on which the thinning process has been performed when the data thinning means confirms the execution of the thinning process; After recording the information, the apparatus is provided with a memory control means that causes the storage memory to hold only the image information of the page based on the page data of the thinned-out page storage means, and also causes the threshold value storage means to store a threshold value T2 of the recording start temperature, If thinning processing is executed when recording image information, after recording all image information, confirm that the comparison result of the temperature comparison means is T≦T2, and then re-write the image information held in the storage memory. A thermal recording device characterized by recording. (2) When the thinning process is executed again during re-recording, the recording control means counts the number of re-recordings, and when the count reaches a predetermined number, the memory control means controls the image information in the storage memory. The thermal recording device according to claim (1) of the utility model registration claim, in which all of the above are deleted. (3) A threshold value Tic lower than the temperature detected by the temperature detection means at the start of recording of each page is stored in the threshold value storage means, and at the start of recording of each page to be re-recorded, the comparison result of the temperature comparison means is T≦Tic. The thermal recording device according to claim (1) of the utility model registration, in which re-recording is performed after confirming that the following is true.