Photographic camera having electric shutter

Claim 2

A photographic camera having an electric shutter including an electric power source and an electric control circuit, comprising: a normally open electric power switch adapted to open or close the connection of said electric power source with at least a light measuring circuit incorporated in said electric control circuit; a camera casing; a manually engageable switch control member provided at said camera casing and moveable between a first position for opening said power switch and a second position depressed from said first position for closing said power switch; means for biasing said switch control member toward said first position thereof to normally position said switch control member at said first position; a shutter release member; locking means moveable between a first position for preventing the operation of said shutter release member and a second position for allowing the operation of said shutter release member, said locking means being positioned at said first position with said switch control member at said first position thereof and positioned at said second position with said switch control member at said second position thereof.

Claim 3

A photographic camera having an electric shutter as set forth in claim 1, which further comprises means for locking said switch control member in its second position.

Claim 4

A photographic camera having an electric shutter, as set forth in claim 1 which further includes: a self-timer cocking member, said cocking member being moveable between a rest position and a cocked position; and an actuating member provided separately from said switch control member and moveable between a first rest position and a second operative position for closing said electric power switch, said actuating member being adapted to be moved to said second operative position in response to movement of said self-timer cocking member.

Claim 5

A photographic camera having an electric shutter as set forth in claim 3, wherein said actuating member is adapted to be temporarily moved to said second operating position, while said cocking member is moved from its cocked position to its rest position.

Claim 6

A photographic camera having an electric shutter as set forth in claim 3, wherein said actuating member is adapted to be locked in said second operating position with said cocking member in its cocked position and moved to said first rest position with said cocking member in its rest position.

Claim 7

A photographic camera having an electric shutter including an electric power source and an electric control circuit, comprising: a normally open electric power source switch adapted to open and close the connection of at least a light measuring circuit incorporated in said electric control circuit with said electric power source; a drive member adapted to operate so as to close said electric Power source switch against its normally open tendency; a self-timer cocking member moveable between a rest position and a cocked position; an arresting member for engaging and holding said drive member in a position disengaged from said power source switch when said cocking member is in its rest position, and for releasing said arrested drive member to close said power source switch in association with the movement of said cocking member from its rest position to its cocked position; and means for returning said drive member to a position in engagement with said arresting member in association with termination of the exposure.

Claim 8

A photographic camera having an electric shutter including an electric power source and an electric control circuit, comprising: a normally open electric power source switch adapted to open and close the connection of at least a light measuring circuit incorporated in said electric control circuit with said electric power source; a drive member adapted to operate so as to close said electric Power source switch against its normally open tendency; a self-timer cocking member moveable between a rest position and a cocked position; an arresting member for engaging and holding said drive member in a position disengaged from said power source switch when said cocking member is in its rest position, and for releasing said arrested drive member to close said power source switch in association with the movement of said cocking member from its rest position to its cocked position; and means for returning said drive member to a position in engagement with said arresting member in association with termination of the exposure.

Claim 9

A photographing camera having an electric shutter including an electric power source and an electric control circuit, comprising: a self-timer cocking member moveable between a rest position and a cocked position; a self-timer release member for releasing the self-timer cocking member for movement from said cocked position to said rest position; an electric power source switch connected between at least a light measuring circuit incorporated in said electric control circuit and said electric power source; a switch drive member moveable between a first position to open said electric power source switch and a second position to close said electric power source switch, and normally urged toward said second position; an arresting member for locking said switch drive member in said first position; a releasing member for releasing said switch drive member from locked engagement with said arresting member, in response to the releasing operation of said self-timer release member, when said cocking member is in its cocked position, said releasing member being moveable in association with said cocking member; and means for returning said switch drive member from said second position to said first position in response to the closing of the shutter against the tendency of said switch drive member to be urged in engagement with said arresting member.

Claim 10

A photographing camera having an electric shutter including an electric power source and an electric control circuit, comprising: a self-timer cocking member moveable between a rest position and a cocked position; a self-timer release member for releasing the self-timer cocking member for movement from said cocked position to said rest position; an electric power source switch connected between at least a light measuring circuit incorporated in said electric control circuit and said electric power source; a switch drive member moveable between a first position to open said electric power source switch and a second position to close said electric power source switch, and normally urged toward said second position; an arresting member for locking said switch drive member in said first position; a releasing member for releasing said switch drive member from locked engagement with said arresting member, in response to the releasing operation of said self-timer release member, when said cocking member is in its cocked position, said releasing member being moveable in association with said cocking member; and means for returning said switch drive member from said second position to said first position in response to the closing of the shutter against the tendency of said switch drive member to be urged in engagement with said arresting member.

Claim 11

A photographic camera having an electric shutter including an electric power source and an electric control circuit, comprising: an electric power source switch adapted to open or close the connection of at least a light measuring circuit incorporated in said electric control circuit with said electric power source; a self-timer cocking member moveable between a rest position and a cocked position; means for closing said electric power source switch in relation to the position of said self-timer cocking member; and means for opening said electric power switch in association with termination of the exposure.

Claim 12

A photographic camera having an electric shutter including an electric power source and an electric control circuit, comprising: an electric power source switch adapted to open or close the connection of at least a light measuring circuit incorporated in said electric control circuit with said electric power source; a self-timer cocking member moveable between a rest position and a cocked position; means for closing said electric power source switch in relation to the position of said self-timer cocking member; and means for opening said electric power switch in association with termination of the exposure.

Claim 13

A photographic camera having an electric shutter, an electric power source, and an electric control circuit including a light measuring circuit connectable to said electric power source, said camera comprising: a shutter release member having an inoperative position from which it is moved for actuation of said electric shutter; a locking member for locking said release member in said inoperative position, thereby restraining operation of said shutter; a normally open electric power source switch adapted to open or close the connection of said electric power source with at least said light measuring circuit; a first actuating member moveable between a first rest position and a second operating position for closing said electric power source switch, said actuating member being mounted at the side of the photographic camera and positioned to be engaged and moved to said second position by the hands of the user holding said camera for manual photographing; means for moving said locking member for releasing said shutter release member from its locked position, when said actuating member is in said second position; a self-timer cocking member moveable from a cocked position to a rest position during a designated time lapse interval after movement of said shutter release member from its inoperative Position; a second actuating member provided separately from said first actuating member and having a first rest position and a second operating position in which it is adapted to close said electric power source switch and release the shutter release member from its locking engagement by said locking member; means for biasing said second actuating member to its second operating position; means for moving said second actuating member from its second operating position to its first rest position against the action of said means for biasing said actuating member; and an arresting member for arresting said second actuating member in its first rest position and releasing said arrested condition in association with the movement of said cocking member from its rest position to its cocked position.

Claim 14

A photographic camera having an electric shutter, an electric power source, and an electric control circuit including a light measuring circuit connectable to said electric power source, said camera comprising: a shutter release member having an inoperative position from which it is moved for actuation of said electric shutter; a locking member for locking said release member in said inoperative position, thereby restraining operation of said shutter; a normally open electric power source switch adapted to open or close the connection of said electric power source with at least said light measuring circuit; a first actuating member moveable between a first rest position and a second operating position for closing said electric power source switch, said actuating member being mounted at the side of the photographic camera and positioned to be engaged and moved to said second position by the hands of the user holding said camera for manual photographing; means for moving said locking member for releasing said shutter release member from its locked position, when said actuating member is in said second position; a self-timer cocking member moveable from a cocked position to a rest position during a designated time lapse interval after movement of said shutter release member from its inoperative Position; a second actuating member provided separately from said first actuating member and having a first rest position and a second operating position in which it is adapted to close said electric power source switch and release the shutter release member from its locking engagement by said locking member; means for biasing said second actuating member to its second operating position; means for moving said second actuating member from its second operating position to its first rest position against the action of said means for biasing said actuating member; and an arresting member for arresting said second actuating member in its first rest position and releasing said arrested condition in association with the movement of said cocking member from its rest position to its cocked position.

Claim 15

A photographic camera having an electric shutter, an electric power source and an electric control circuit including a light measuring circuit connectable to said electric power source said camera comprising: a shutter release member having an inoperative position from which it is moved for actuation of said electric shutter; a locking member for locking said release member in said inoperative position, thereby restraining operation of said shutter; a normally open electric power source switch adapted to open or close the connection of said electric power source with at least said light measuring circuit; a first actuating member moveable between a first rest position and a second operating position for closing said electric power source switch, said actuating member being mounted at the side of the photographic camera and positioned to be engaged and moved to said second position by the hands of the user holding said camera for manual photographing; means for moving said locking member for releasing said shutter release member from its locked position, when said actuating member is in said second position; a self-timer cocking member moveable from a clocked position to a rest position during a designated time lapse interval after movement of said shutter release member from its inoperative position; a second actuating member provided separately from said first actuating member and having a first rest position and a second operating position in which it is adapted to close said electric power source switch and release the shutter release member from its locking engagement by said locking member; a drive member for driving said second actuating member from its first rest position to its second operating position; means for moving said second actuating member from its second operating position to its first rest position against the action of said drive member in association with termination of the exposure by said electric shutter; an arresting member biased to remain in an arrested position in engagement with said second actuating member when said second actuating member is in its first rest position, and moveable to a releasing position out of engagement with said second actuating member; and means for driving said arresting member to its releasing position in association with the movement of said cocking member from its rest position to its cocked position.

Claim 16

A photographic camera having an electric shutter, an electric power source and an electric control circuit including a light measuring circuit connectable to said electric power source said camera comprising: a shutter release member having an inoperative position from which it is moved for actuation of said electric shutter; a locking member for locking said release member in said inoperative position, thereby restraining operation of said shutter; a normally open electric power source switch adapted to open or close the connection of said electric power source with at least said light measuring circuit; a first actuating member moveable between a first rest position and a second operating position for closing said electric power source switch, said actuating member being mounted at the side of the photographic camera and positioned to be engaged and moved to said second position by the hands of the user holding said camera for manual photographing; means for moving said locking member for releasing said shutter release member from its locked position, when said actuating member is in said second position; a self-timer cocking member moveable from a clocked position to a rest position during a designated time lapse interval after movement of said shutter release member from its inoperative position; a second actuating member provided separately from said first actuating member and having a first rest position and a second operating position in which it is adapted to close said electric power source switch and release the shutter release member from its locking engagement by said locking member; a drive member for driving said second actuating member from its first rest position to its second operating position; means for moving said second actuating member from its second operating position to its first rest position against the action of said drive member in association with termination of the exposure by said electric shutter; an arresting member biased to remain in an arrested position in engagement with said second actuating member when said second actuating member is in its first rest position, and moveable to a releasing position out of engagement with said second actuating member; and means for driving said arresting member to its releasing position in association with the movement of said cocking member from its rest position to its cocked position.

Claim 17

A photographing camera having an electric shutter including an electric power source and an electric control circuit, comprising: a self-timer cocking member adapted to move between a rest position and a cocked position; a self-timer release member; an electric power source switch connected between at least a light measuring circuit incorporated in said electric control circuit and said electric power source; a switch drive member moveable between a first position to open said electric power source switch and a second position to close said electric power source switch, and normally urged toward said second position; a first arresting member for locking said switch drive member in said first position; a releasing member for releAsing said switch drive member from locked engagement with said first arresting member, in response to the releasing operation of said self-timer release member, when said self-timer cocking member is in its cocked position, said releasing member being moveable in association with said self-timer cocking member; means for returning said switch drive member from said second position to said first position in response to the closing of the shutter against the tendency of said switch drive member to be urged in engagement with said first arresting member; and a second arresting member moveable between an arresting position to restrain said switch drive member, which has been released from said first arresting member, from its tendency to move to the second position, and a releasing position to release said switch drive member for movement to said second position, in association with said self-timer cocking member, said second arresting member being adapted to move from said arresting position to said releasing position in the course of said self-timer cocking member moving from its cocked position to its rest position.

Claim 18

A photographing camera having an electric shutter including an electric power source and an electric control circuit, comprising: a self-timer cocking member adapted to move between a rest position and a cocked position; a self-timer release member; an electric power source switch connected between at least a light measuring circuit incorporated in said electric control circuit and said electric power source; a switch drive member moveable between a first position to open said electric power source switch and a second position to close said electric power source switch, and normally urged toward said second position; a first arresting member for locking said switch drive member in said first position; a releasing member for releAsing said switch drive member from locked engagement with said first arresting member, in response to the releasing operation of said self-timer release member, when said self-timer cocking member is in its cocked position, said releasing member being moveable in association with said self-timer cocking member; means for returning said switch drive member from said second position to said first position in response to the closing of the shutter against the tendency of said switch drive member to be urged in engagement with said first arresting member; and a second arresting member moveable between an arresting position to restrain said switch drive member, which has been released from said first arresting member, from its tendency to move to the second position, and a releasing position to release said switch drive member for movement to said second position, in association with said self-timer cocking member, said second arresting member being adapted to move from said arresting position to said releasing position in the course of said self-timer cocking member moving from its cocked position to its rest position.