# US 10,119,815 B2 · Binocular with integrated laser rangefinder

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- Number: US 10,119,815 B2
- Document ID: US10119815B2
- Status: Granted
- Kind: B2
- Application number: 15/194,632
- Filed: 2016-06-28
- Published: 2017-03-16
- Granted: 2018-11-06
- Earliest claimed: 2015-09-15
- Assignees: Meopta—Optika, S.R.O.
- Applicants: Meopta—Optika, S.R.O.
- Inventors: Vojt{hacek over (e)}ch Mrlík; Zden{hacek over (e)}k Lo{hacek over (s)}{hacek over (t)}ák
- Web page: https://patentgrep.com/patent/US10119815B2

## CPC

- G01C 3/04: Adaptation of rangefinders for combination with telescopes or binoculars
- F41G 3/065: {Structural association of sighting devices with laser telemeters}
- G01C 3/08: Use of electric radiation detectors
- G01C 15/002: {Active optical surveying means (optical plumbing G01C15/105)}
- G01S 7/4812: {transmitted and received beams following a coaxial path}
- G01S 7/51: Display arrangements
- G02B 23/04: for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer (G02B23/10 takes precedence)
- G02B 23/10: reflecting into the field of view additional indications, e.g. from collimator
- G02B 23/18: for binocular arrangements {(focusing binocular pairs G02B7/06; adjusting pupillary distance of binocular pairs G02B7/12)}
- G02B 27/10: Beam splitting or combining systems (polarising systems G02B27/28; mixing and splitting light signals using optical waveguides G02B6/28; {beam shaping, e.g. changing the cross-sectional area, by dividing or superposing multiple light beams G02B27/0905})
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- F41G: WEAPON SIGHTS; AIMING (optical aspects thereof G02B)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

A binocular with an integrated rangefinder consisting of two tubes with observation channels, the optical systems of which include a Schmidt-Pechan prism reversion system with at least half-pentagonal prism and a Schmidt roof prism is provided. The laser transmitter of the transmitted infrared beam path is arranged in the first tube in parallel with the first observation channel towards the observed object and, furthermore, the display with an illuminated reticle and light beam is accommodated in the first tube, which, after passing through the integration display prism and the second separation layer on the reflective wall of the half-pentagonal prism and through the reversion system, is integrated into the first observation channel of the first tube.

## Claims

### Claim 1

A binocular with an integrated laser rangefinder comprising:
a first tube comprising a first observation channel, a display configured to display an illuminated reticle, a first optical system including a first Schmidt-Pechan prism reversion system, a laser transmitter, and an integration display prism,
wherein the first Schmidt-Pechan prism reversion system comprises a first at least half-pentagonal prism, and a first Schmidt roof prism,
wherein the first at least half-pentagonal prism comprises a first separation layer,
wherein the laser transmitter is configured to transmit a laser beam toward an observed object such that the laser beam is reflected off of a splitter and transmitted to the observed object parallel to the first observation channel and independently of the first Schmidt-Pechan prism reversion system,
wherein the display is configured to produce a light beam, wherein the first Schmidt-Pechan prism reversion system and integration display prism are configured to direct the light beam produced by the display into the first observation channel after the light beam passes through the integration prism and passes through the first separation layer; and
a second tube comprising a second observation channel, a separation prism, a detector optical system, an infrared detector, and a second optical system including a second Schmidt-Pechan prism reversion system,
wherein the second Schmidt-Pechan prism reversion system comprises a second at least half-pentagonal prism, a second Schmidt roof prism,
wherein the second at least half-pentagonal prism comprises a second separation layer,
wherein the separation prism comprises a first reflective surface,
wherein the separation prism is bonded to the second separation layer,
wherein the second Schmidt-Pechan prism reversion system, the separation prism, and the detector optical system are configured such that the laser beam is configured to integrate into the detector optical system after being reflected off the observed object and entering the second observation channel and passing through the second separation layer and passing through the separation prism.

### Claim 2 (depends on 1)

The binocular with an integrated laser rangefinder according to claim 1, wherein the integration display prism has a three dimensional half-pentagonal shape; wherein the separation prism has a three dimensional half-pentagonal shape.

### Claim 3 (depends on 1)

The binocular with an integrated laser rangefinder according to claim 1, wherein the laser transmitter further comprises a third optical system, the third optical system comprising:
a splitter configured to split a transmitted infrared beam path coming from the laser transmitter and a light beam path of ambient light coming from the external environment; and
an ambient light detector.

### Claim 4 (depends on 1)

The binocular with an integrated laser rangefinder according to claim 1, wherein the laser transmitter, display, and infrared detector are configured such that a transmitted beam path from the laser transmitter, the light beam emitted from the display, and a reflected beam path of the laser beam incident on the infrared detector are parallel to one another in a horizontal direction.

### Claim 5 (depends on 1)

The binocular with an integrated laser rangefinder according to claim 1, wherein the laser transmitter and the display are configured to reduce a parallax when the binocular is measuring short distances.

### Claim 6 (depends on 1)

The binocular with an integrated laser rangefinder according to claim 1, wherein the laser transmitter and display are configured to maintain a parallelism of an axis defining transmitting and targeting channels of the binocular.
