JPS58217912A - Binocular capable of distance display - Google Patents

Abstract

PURPOSE:To display the distance to a target without visual measurement by providing a member which displays the distance to the target at an in-focus position in a section detected by a detecting member on an index. CONSTITUTION:A display member 18 is constituted by arranging light emitting bodies 19, 19... made of liquid crystal, LEDs, etc., at the circumferential edge of a transparent disk as many as fixed contacts 16, 16..., and the light emitting bodies 19, 19... and fixed contacts 16, and 16... are connected, one to one, mutually and successively through electric conductors 20, 20...; when some fixed contact 16 connected on end of the electric conductor 10 contacts a corresponding movable contact 15, a current flows through the electric conductor 20 and the light emitting body 19 connected to the other end turns on. Further, numbers 21 indicating distances are provided at the circumferential edge of the transparent disk corresponding to the light emitting bodies 19, 19... so that when the target is put in focus through the rotation of a center wheel, the number 21 closest to the light emitting body 19 which is turned on shows the distance.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a double-U plow that can display distance.

Generally double l! There are various types of mirrors, such as the prism mirror and the Galilei binocular mirror, which allow you to see objects that are far away and bring them closer to you.

However, conventional binoculars do not have a means of determining the distance to a target, so when a user wants to know the distance to a target, he or she has no choice but to measure it with the naked eye, which is extremely inconvenient and also Since distances are generally inaccurate, there have been various drawbacks, such as the fact that it is difficult to actually use distances estimated by visual measurement.

It is an object of the present invention to eliminate the drawbacks of the conventional binoculars described above, and to provide binoculars capable of displaying distances that enable the user to know the distance to a target without measuring it with the naked eye.

The present invention will be described with reference to embodiments shown in the drawings.

Fig. 1 shows an embodiment of prism binoculars to which the present invention is applied, and (l) (1)' is an outer cylinder housing an objective lens (21 (2)' and prism group (3) (3)'. There is a long hole (4) formed in the center between the outer cylinders (1) and (l) 7.
) is equipped with a central roller (6) equipped with a screw hole (5) so as to be rotatable without moving in the axial direction, and a lid (7) is screwed into the lower end. (8) (8)' is eyepiece + 9) (9)' and correct) Lens (
Built-in 110G', outer cylinder (1) + 1)' O hole (11
) (In' is an inner cylinder that is inserted into and out of In', and a screw hole (5) K is screwed into the center of the connecting member a2 that connects the inner cylinders (8) (8)'. ) A screw shaft a3 extending inside is fixed.

I is a movable electric contact □a attached to the tip of screw shaft Q3
9, and a large number of fixed electric contacts αeaQ attached to the circumferential wall of the elongated hole (4) along the axial direction within the movement range of the movable contact a9, ) due to the rotation of the screw shaft (13 is the inner cylinder (8) (
8)' move forward and backward in the axial direction, the movable contact (19) moves while sequentially contacting the fixed contacts Ql (lf9...), and any one of the fixed contacts ae always moves to the movable contacts a! 9. aη is a battery arranged inside the outer cylinder 11) to avoid the optical path;
0 is a display member disposed adjacent to the collector lens 61' within the inner cylinder (8)'.

As shown in Figure 2, the display member side has a liquid crystal on the periphery of the transparent disk and a light emitter consisting of an LED or the like.
... is the same number of fixed contacts 08 (lf9...), and the luminous body (11 (1F...) and fixed contacts ae
(Is... is an electric conductor (2I (21...
When it comes into contact with the electric conductor (a), a current flows through the electric conductor (a), causing the light emitting element a connected to the other end to emit light. Further, on the periphery of the transparent disk, a number 01) is written to indicate the distance, and when the center wheel (6) rotates, the light emitting body al. Writing positions are determined in correspondence with the light emitters (11Ql...) so that the nearest number 1) indicates the distance to the target.

The above prism binoculars require the user to use the eyepiece +91
When you turn the center wheel (6) while looking at (9)', the movable contact Q! 9 moves, the light emitters H (11...) switch one after another and emit light within the field of view of the eyepiece (9)'. When the target is in focus, the light emitters H (11...) that are emitting light By reading the number Qυ closest to 11, the distance to the target can be determined.

FIG. 3 shows another embodiment of the present invention, and 124 is a detection member disposed at an appropriate location of prism binoculars (not shown) (for example, a location similar to detection member I and #1 in FIG. 1). , a light emitting body (c) consisting of a liquid crystal or LED, etc., which is provided to rotate in an arc shape as the center wheel (6) rotates, and a light emitting body (c) mounted on an appropriate fixed plate within the movement range of the light emitting body (c). It is composed of a large number of light incident portions WW arranged in a row along the circumferential direction. For example, (to) is a display member disposed adjacent to the collector lens 4' in the inner cylinder (8)', similar to the display member (l) in FIG. The same number of light emitting parts (c) (to)... as the entrance part w hat... are arranged in parallel, and the light entrance part (c) (c)... and the light emitting part @ kan... melting light 7 Aino (cnO
They are connected one-to-one and in sequence via I... Other parts are the same as those in the embodiment shown in FIGS. 1 and 2 and are designated by the same numbers.

These prism binoculars allow the user to use the eyepieces (9) (9).
)' while turning the center wheel (6), the luminous body (
As the part (c) rotates, the light enters the light incident part (c)...
This incident light is sequentially incident on the optical fiber cm Ol-
. . and are successively switched and emitted from the light emitting portions Q3@ . . . within the field of view of the eyepiece (9)'. When the target is in focus, the number G closest to the light emitting part (to) that emits light
By reading K, it is possible to know the distance to the target.

Although not explained in the above embodiments, it is possible to provide an appropriate switch to turn on and off the electric circuit, and also to adjust the distance between the left and right inner cylinders (81(8)') to match the distance between the eyes of the user. It goes without saying that K may be used for adjustment.In addition, in each of the above embodiments, the detection member I consisting of a movable contact 09 and a fixed contact (IS 01...) is attached to a screw shaft (+
The detection member (2), which detects the linear movement of 31, and also consists of a light emitting body (c) and a light incident part @Kan..., is a central wheel (6).
However, if the fixed contacts as as... are arranged in parallel along the circumferential direction like the light incident part @(c)..., the detection member I will detect the rotational movement of the center wheel (6). It can be used to detect rotational movement, and the light incident part 1 can be fixed at the fixed contact α.
If they are arranged in parallel along the axial direction like eαe..., the detection member can detect the linear movement of the screw shaft 01.

Further, in each of the embodiments described above, the distance was determined using the numbers Q1J, but for example, a plurality of types of symbols may be arranged in a scale and the distances may be determined using these symbols. In addition, although a manual focus adjustment device was illustrated in the above embodiment, it can also be applied to an automatic focus adjustment device (so-called autofocus). What is necessary is to extract the adjustment state from . Furthermore, although the above embodiments have been described as being applied to prism binoculars, they can also be widely applied to Galilean binoculars, etc. It goes without saying that this invention can be modified in various ways to the above embodiments. . Although it is possible to adapt the optical design even when the distance to the target is within 5 m, it is actually practical to target a target of 5 m or more.

This line of invention is configured as described above, so it is possible to know the distance to a target without measuring it with the naked eye. Therefore, for example, from the distance to one target and the distance to another target, It is possible to know which one is nearer or farther away, and the configuration is simple and no arithmetic circuit or other processing circuit is required. This has excellent effects, such as preventing malfunctions and displaying the wrong distance.

[Brief explanation of the drawing]

(lull)' : Outer cylinder (2) (2)'
: Objective lens (3H31' Nibrism group (4):
Long hole (5): Screw hole (6): Center wheel (7
): Lid (8H8)': Inner cylinder (9) (
9)' : Eyepiece Q (IQI' : Collection lens aυaυ' : Hole α side : Connecting member a
3: Nellb 64QA: Detection member side: Movable electrical contact aS: Fixed electrical contact a? ):battery
舖＠：Display member al(c) di-luminescent body
0I: Electric conductor Qυ: Number c! +9
: Light entrance part: Light emission part Cl: Optical Fiber Co., Ltd. Yasutani Glass Agent Masayuki Asakura Figure 1 Figure 2

Claims (1)

[Claims] 1. A member that divides the movement range of the movable part of the focus adjustment device into a large number of parts and detects which division the movable part is in, and an indicator that measures the distance provided within the field of view of the binoculars. and are connected to the detection member for each section and arranged in parallel with the index. Binoculars capable of displaying distance, characterized in that the binoculars are equipped with a member that displays on the index the distance to the target at the focal position of the section detected by the detection member. 2. The distance display according to claim 1, wherein the detection member electrically detects in which section the movable part is located, and the display member is connected to the detection member via an electric conductor. possible binoculars. 3. The distance display according to claim 1, wherein the detection member optically detects in which section the movable part is located, and the display member is connected to the detection member via an optical fiber. Possible double rR blunt.