JPH0441358Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) The present invention relates to a recording device that records an image on a recording paper using recording elements such as thermal heads arranged in an array. The present invention relates to display means for displaying a recording position in synchronization with the recording position.

(Prior Art) A recording device used to record a living body's heartbeat or a pregnant woman's labor pains converts the signal into an electrical signal and selectively activates and heats a large number of thermal heads arranged in an array. A thermal recording device is known in which a curve is recorded on a thermal recording paper wound on a platen. In such a recording apparatus, since the signal to be recorded changes slowly, the recording paper is often conveyed at a low speed. Therefore, it is desirable to record the curve of the detected signal on the recording paper and at the same time display the current position of the signal on the recording device using a lamp display or the like. For this reason, conventionally there were many
LEDs were arranged in a straight line, and a display section was provided that selectively turned on the corresponding LED in conjunction with the operation of the thermal head.

However, this display unit is large because it requires space for the arrangement of the LEDs, and it has been difficult to install it near the outlet for recording paper on which signals are recorded. Therefore, there was a problem in that it was difficult to visually check the correspondence between the signals recorded on the recording paper and the LEDs lit on the display section.

(Problems to be Solved by the Invention) This invention solves the problem of conventional recording devices because the recording paper ejection port and the display section that illuminates and displays the recording position are separated. This solves the problem that it is difficult to visually check the lighting position of the display unit, and it is possible to provide a display unit that illuminates the signal position near the recording paper ejection port. It is an object of the present invention to provide a recording device in which an image and a signal position displayed on a display unit can be easily viewed in correspondence with each other.

[Structure of the invention] (Means for solving the problems) In order to achieve the above object, the present invention uses a recording device that is wound around a platen using signals emitted from a large number of recording elements arranged in an array. A recording device that records an image on paper includes a number of light emitting elements that selectively emit light in conjunction with the operation of the recording elements, and a light emitting element that refracts the light emitted from the light emitting elements and directs it near the ejection port of the recording paper. It is equipped with a guiding prism.

(Function) According to the above structure, an array of light emitting elements, which requires a large space, is provided above the recording element.
The prism can guide the light emitted from the light emitting element to the vicinity of the recording paper discharge port. Therefore, the image recorded on the recording paper and the signal position displayed by the display section can be viewed closely, the time delay between the two can be reduced, and the field of view of the display section can be widened due to the effect of the prism.

(Embodiment) Hereinafter, an embodiment of the recording apparatus according to the present invention will be described with reference to the drawings.

An embodiment of the present invention is shown in FIGS. 1 to 3.
In FIG. 1, a recording section 2 consisting of a large number of thermal recording elements (not shown) arranged in an array is provided on the inside front side of a housing 1 of the recording apparatus, and the recording section 2 is located opposite to this recording section 2. A platen 4 that holds the thermal recording paper 3 therebetween is provided. Then, the thermal recording element in the recording section 2 generates heat by an electric signal from a signal source (not shown), and the recording paper 3
It is designed to record images such as curves on top. A discharge port 5 is formed on the front surface of the housing 1, through which the recording paper 3 on which an image is recorded is discharged.
A convex portion 6a of a prism 6 is attached to the discharge port 5. As shown in FIGS. 2 and 3, this prism 6 has an approximately 45-degree reflective surface 6b formed at its upper portion, and an arcuate concave surface 6c at its lower portion on the side where the convex portion 6a is provided. It is formed. Further, the prism 6 is fixed to the inner front surface of the housing 1, and a light emitting section 7 having an LED array (not shown) disposed inside is attached to the inner surface facing the reflective surface 6b. The light emitted from the light emitting part 7 is reflected at right angles by the reflecting surface 6b, travels straight through the prism 6, hits the concave surface 6c, and is reflected, and is refracted upward by about 60 degrees and downward by about 30 degrees. and is displayed on the display section 8 in front of the convex portion 6a of the prism 6.

According to this embodiment, the light emitting section 7 is provided above the recording section 2, which has sufficient space, and the light emitted from the light emitting section 7 is provided at the discharge port 5 of the recording paper 3 by the prism 6. The user is guided to the display section 8. As a result, the image of the recording paper 3 held between the recording section 2 and the platen 4 and immediately after being recorded by the recording section 2, and the light of the LED that lights up corresponding to the recording position of this image are displayed. Since the display section 8 and the display section 8 are close to each other within the discharge port 5 of the recording paper 3, both can be easily viewed simultaneously with little time delay. Furthermore, the reflected light of the LED displayed on the display section 8 can be viewed from a wide field of view due to the effect of the concave surface 6c of the prism.

In the above embodiment, a case has been described in which the recording section 2 is provided with a thermal recording element array, but this recording element is not limited to a thermal element, and may be an electrostatic element or a discharge element, for example.
Also, the convex portion 6a formed on the prism 6 is omitted,
As shown in FIG. 4, the prism 9 may have two parallel sides on opposite surfaces.

Furthermore, if the outer peripheral surface of the prism 6 or 9 except for the light entrance and exit parts is coated with a material having a high reflectance such as aluminum, the transmittance inside the prism can be improved.

[Effect of the invention] As described above, according to the invention, the light from the light emitting element that emits light in conjunction with the operation of the recording element provided in the recording device is guided to the vicinity of the recording paper ejection port by the prism. Therefore, the image recorded on the recording paper and the signal position displayed on the display unit can be easily seen in correspondence with each other.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional view showing a main part of an embodiment of a recording device according to the present invention, FIG. 2 is a side view showing the prism shown in FIG. 1, FIG. 3 is a perspective view of FIG. 2, and FIG. The figure is a side view of a prism according to another embodiment of the present invention. 2... Recording section (recording element), 3... Recording paper,
4... platen, 5... discharge port, 6... prism, 7... light emitting section (light emitting element).

Claims (1)

[Claims for Utility Model Registration] (1) In a recording device that records an image on recording paper wound on a platen using signals emitted from a large number of recording elements arranged in an array, 1. A recording apparatus comprising: a large number of light emitting elements that selectively emit light in conjunction with operation; and a prism that refracts light emitted from the light emitting elements and guides the light to the vicinity of the ejection port of the recording paper. (2) The recording device according to claim 1, wherein at least one reflective surface of the prism is a concave curved surface when viewed from the outside. (3) The recording device according to claim 1, wherein the recording element is a thermal head and the recording paper is heat-sensitive recording paper.