Binocular capable of measuring distance and prism and light transmitter module thereof

A prism and light transmitter module comprising:

• a prism holder;
• a light transmitter comprising a pin, and configured to emit or receive a first light beam along a light axis;
• a prism module comprising an inclined plane, wherein the prism module is disposed within the prism holder with the inclined plane exposed, and the first light beam enters and leaves the prism module;
• a drive circuit board disposed above the inclined plane, and intersecting with the light axis at a first angle, wherein the pin is bent so as to connect the light transmitter to the drive circuit board;
• a shield disposed on the drive circuit board;
• and
• a fixing assembly connecting to the prism holder, configured to fix the drive circuit board, and comprising a hole through which the light transmitter is exposed,
• wherein the prism module comprises a third prism exposed outside the prism holder so as to receive the first light beam emitted by the light transmitter or reflect the first light beam to the light transmitter.

A binocular capable of measuring distance comprising:

• a first optical system;
• and
• a second optical system;
• wherein at least one of the first optical system and the second optical system comprises an ocular module, a prism and light transmitter module, and an objective module;
• wherein the prism and light transmitter module comprises a prism holder, a light transmitter, a prism module, a drive circuit board, a shield, and a fixing assembly;
• wherein the light transmitter comprises a pin, and is configured to emit or receive a first light beam along a light axis;
• wherein the prism module comprises an inclined plane, the prism module is disposed within the prism holder with the inclined plane exposed, and the first light beam enters and leaves the prism module;
• wherein the drive circuit board is disposed above the inclined plane and intersects with the light axis at a first angle, and the pin is bent so as to connect the light transmitter to the drive circuit board;
• wherein the shield is disposed on the drive circuit board;
• wherein the fixing assembly connects to the prism holder, is configured to fix the drive circuit board, and comprises a hole through which the light transmitter is exposed;
• wherein the prism module further comprising:
• a first prism comprising a first surface, a second surface and a third surface;
• a roof prism comprising the inclined plane, a roof surface and a fourth surface adjacent to the second surface;
• a second prism comprising a fifth surface, a sixth surface adjacent to the third surface, and a seventh surface;
• and
• a third prism disposed higher than the second prism;
• wherein the third prism comprises a light access surface, a first reflecting surface and a second reflecting surface, and the light access surface is partly adjacent to the seventh surface;
• wherein a baseline is configured to pass through the first and the second surfaces of the first prism and the fourth surface of the roof prism;
• wherein a light source is disposed above the second prism, near a side of the third prism, and adjacent to the first and the roof prisms;
• wherein the light source is configured to emit the first light beam;
• wherein the first light beam enters the third prism, is reflected by the third prism, enters the second prism through the seventh surface, passes through the sixth surface of the second prism, enters the first prism through the third surface, is reflected by the second surface of the first prism, and leaves the prism module;
• wherein the first light beam leaving the prism module is parallel to the baseline.

A binocular capable of measuring distance comprising:

• a first optical system;
• and
• a second optical system;
• wherein at least one of the first optical system and the second optical system comprises an ocular module, a prism and light transmitter module, and an objective module;
• wherein the prism and light transmitter module comprises a prism holder, a light transmitter, a prism module, a drive circuit board, a shield, and a fixing assembly;
• wherein the light transmitter comprises a pin, and is configured to emit or receive a first light beam along a light axis;
• wherein the prism module comprises an inclined plane, the prism module is disposed within the prism holder with the inclined plane exposed, and the first light beam enters and leaves the prism module;
• wherein the drive circuit board is disposed above the inclined plane and intersects with the light axis at a first angle, and the pin is bent so as to connect the light transmitter to the drive circuit board;
• wherein the shield is disposed on the drive circuit board;
• wherein the fixing assembly connects to the prism holder, is configured to fix the drive circuit board, and comprises a hole through which the light transmitter is exposed;
• wherein the prism module further comprising:
• a first prism comprising a first surface, a second surface and a third surface;
• a roof prism comprising the inclined plane, a roof surface and a fourth surface adjacent to the second surface;
• a second prism comprising a fifth surface, a sixth surface adjacent to the third surface, and a seventh surface;
• and
• a third prism disposed higher than the second prism;
• wherein the third prism comprises a light access surface, a first reflecting surface and a second reflecting surface, and the light access surface is partly adjacent to the seventh surface;
• wherein a baseline is configured to pass through the first and the second surfaces of the first prism and the fourth surface of the roof prism;
• wherein a light receiver is disposed above the second prism, near a side of the third prism, and adjacent to the first and the roof prisms;
• wherein the first light beam parallel to the baseline enters the first surface of the first prism, is reflected by the first prism, enters the second prism through the third surface, passes through the seventh surface of the second prism, enters the third prism through the light access surface, is reflected by the third prism to leave the prism module through the light access surface, and enters the light receiver.