Single lens reflex camera

Claim 2

In a single lens reflex camera comprising a camera body provided with an object lens on one side, a shutter blind so disposed in the camera body as to face the object lens, high and low speed controlling mechanisms for the shutter blind, a reflex mirror located between the object lens and the shutter blind, winding and rewinding shafts of the shutter blind provided on both sides of the reflex mirror and a space defined by the reflex mirror, the shutter blind winding shaft and the bottom plane of the camera body, the improvement being that said high speed controlling mechanism is placed in said space.

Claim 3

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body; actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body; the improvement comprising at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind.

Claim 4

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body; actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body; the improvement comprising at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind.

Claim 5

The single lens reflex camera of claim 2 further comprising a lens barrel within which said object lens is mounted, said lens barrel having a peripheral wall and being fitted to the front of the camera body and extending outwardly therefrom and a movable shutter dial mounted around the base of the peripheral wall of the lens barrel, said shutter dial being operatively connected to said high and low speed shutter controlling mechanisms.

Claim 6

The single reflex camera according to claim 2 wherein the actuating means for the high speed shutter controlling mechanism of the shutter blind includes an electro-magnet having an energization state the duration of which is a function of a preset shutter speed.

Claim 7

The single lens reflex camera according to claim 2 wherein at least a member of the high speed shutter controlling mechanism, which permits the second shutter blind to start for determining the time, is mounted under the mirror.

Claim 8

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body; the improvement comprising at least a portion of said high speed shutter controlling mechanism being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 9

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body; the improvement comprising at least a portion of said high speed shutter controlling mechanism being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 10

The single lens reflex camera of claim 6 further comprising said at least a portion of the high speed shutter controlling mechanism including a gear train.

Claim 11

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind; and, an exposure meter means located in a space within the camera body defined by the top of said camera body and the upper end of said shutter winding shaft.

Claim 12

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind; and, an exposure meter means located in a space within the camera body defined by the top of said camera body and the upper end of said shutter winding shaft.

Claim 13

The single lens reflex camera of claim 8 further comprising a lens barrel within which said object lens is mounted, said lens barrel having a peripheral wall and being fitted to the front of the camera body and extending outwardly therefrom and a moveable shutter dial mounted around the base of the peripheral wall of the lens barrel, said shutter dial being operatively connected to said high and low speed shutter controlling mechanisms.

Claim 14

The single lens reflex camera according to claim 8, wherein the actuating means for the high speed shutter controlling mechanism of the shutter blind includes an electromagnet having an energization state the duration of which is a function of a preset shutter speed.

Claim 15

The single lens reflex camera according to claim 8, wherein at least a member of the high speed shutter controlling mechanism, which permits the second shutter blind to start for determining the shutter exposure time, is mounted under the mirror.

Claim 16

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror; and, an exposure meter means located in a space within the camera body defined by the top of said camera body and the upper end of said shutter winding shaft.

Claim 17

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror; and, an exposure meter means located in a space within the camera body defined by the top of said camera body and the upper end of said shutter winding shaft.

Claim 18

The single lens reflex camera of claim 12 further comprising said at least a portion of the high speed shutter controlling mechanism including a gear train.

Claim 19

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind; and, at least a portion of said low speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 20

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, high and low speed shutter controlling mechanisms received in the camera body, actuating means for said high and low speed shutter controlling mechanisms; a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising: at least a portion of said high speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror and controlling the movement of the second shutter blind during travel of the first shutter blind; and, at least a portion of said low speed shutter controlling mechanism being located between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 21

The single lens reflex camera of claim 14 further comprising a lens barrel within which said object lens is mounted, said lens barrel having a peripheral wall and being fitted to the front of the camera body and extending outwardly therefrom and a moveable shutter dial mounted around the base of the peripheral wall of the lens barrel, said shutter dial being operatively connected to said high and low speed shutter controlling mechanisms.

Claim 22

The single lens reflex camera of claim 14 further comprising an exposure meter means located in a space within the camera body defined by the top of said camera body and the upper end of said shutter winding shaft.

Claim 23

The single lens reflex camera according to claim 14, wherein the actuating means for the high speed shutter controlling mechanism of the shutter blind includes an electromagnet having an energization state, the duration of which is a function of a preset shutter speed.

Claim 24

The single lens reflex camera according to claim 14, wherein at least a member of the high speed shutter controlling mechanism, which permits the second shutter blind to start for determining the shutter exposure time, is mounted under the mirror.

Claim 25

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms, a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising at least a portion of both of said high and low speed shutter controlling mechanisms being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 26

In a single lens reflex camera comprising a camera body having a top, bottom, front, back and two sides, an object lens on the front of the camera body, first and second shutter blinds positioned in the camera body between the object lens and the back of said camera body, a high speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running before the first shutter blind stops running, a low speed shutter controlling mechanism positioned in said camera body for controlling the timing of when the second shutter blind starts running after the first shutter blind stops running, actuating means for said high and low speed shutter controlling mechanisms, a reflex mirror located between the object lens and the shutter blinds, a shutter blind winding shaft positioned between the reflex mirror and one side of the camera body, a shutter blind rewinding shaft positioned between the reflex mirror and the other side of the camera body, the improvement comprising at least a portion of both of said high and low speed shutter controlling mechanisms being located in said camera body between the bottom of the camera body and the lower edge of the reflex mirror.

Claim 27

The single lens reflex camera of claim 19, further comprising said at least a portion of the high speed shutter controlling mechanism including a gear train.