EP0202073A2
Expired / Lapsed
EP
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An electric camera
Assignee: Konica Minolta Inc
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Filing: 1986-05-07
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Granted: —
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Expires: 2006-05-07
Abstract
Abstract The present invention provides a multi-function and smaller-sized camera capable of selecting freely an action of film-rewinding and an action of changing a focal length of a picture-taking lens in addition to an action of film-winding, with the aid of a simple operation and a single motor built in the camera. <??>Wherein said camera comprises: a single motor, two sets of means for changing power transmission mode, at least one of said transmission mode-change means capable of being controlled to change said mode in accordance with the turning direction of said motor, a switch means and a control circuit.
Inventors
- 👤 Kazuhiro Nakanishi
- 👤 Yasushi Hoshino
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42; G03B17/425
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
95 words
In a camera comprising, (a) a motor, (b) means for winding a film, (c) means for other action, (d) means for rewinding a film, and (e) means for transmitting driving force of (a) to - (b), (c) and (d); said transmission means comprising two sets of means for changing power transmission mode, at least one of said means for changing power transmission mode being controlled to change said mode in accordance with the turning direction of said motor, whereby said camera selectively transmits a driving force of (a) to one of (b), (c) and (d).
Claim 2
Dependent Claim
95 words
In a camera comprising, (a) a motor, (b) means for winding a film, (c) means for other action, (d) means for rewinding a film, and (e) means for transmitting driving force of (a) to - (b), (c) and (d); said transmission means comprising two sets of means for changing power transmission mode, at least one of said means for changing power transmission mode being controlled to change said mode in accordance with the turning direction of said motor, whereby said camera selectively transmits a driving force of (a) to one of (b), (c) and (d).
Claim 3
Dependent Claim
16 words
The camera of claim 1, wherein means for other action is means for shifting lens member.
Claim 4
Dependent Claim
45 words
The camera of claim 2, wherein said two sets of transmission mode change means individually have a clutch lever and are controlled respectively to change said transmission mode by utilizing the rotation of said clutch lever in accordance with the turning direction of said motor.
Claim 5
Dependent Claim
91 words
The camera of claim 2, wherein said two sets of transmission mode-change means comprise' a transmission means transmitting a driving force of said motor, and two sets of clutch means provided on said transmission means in parallel mode, each of which having a clutch lever and being controlled respectively to change said transmission mode into two kinds of mode by utilizing the rotation of. said clutch lever in accordance with the turning direction of said motor, whereby said camera selectively carries out four kinds of step by using a single motor.
Claim 6
Dependent Claim
54 words
The camera of claim 3, wherein primary clutch means transmits said driving force of said motor to film winding means or film rewinding means, and secondary clutch means transmits said force to film convey means or lens shifting means, wherein film convey means is additionally provided to convey a film on the passage thereof.
Claim 7
Dependent Claim
39 words
The camera of claim 3, wherein primary clutch means transmits a driving force of said motor to film winding means or lens shifting means, and secondary clutch means transmits said force to film rewinding means or film convey means.
Claim 8
Dependent Claim
72 words
The camera of claim 3, wherein said camera has a means for converting rotating motion of said motor to straight line- reciprocating motion and carries out said lens shifting by utilizing said reciprocating motion, wherein said conversion means comprises a ro- . tation member and a reciprocation member, and said rotating motion is stopped after rotation member passing over the peak point thereof corresponding with the end position of said reciprocation member.
Claim 9
Dependent Claim
66 words
The camera of claim 7, wherein said rotation member has an excess stroke resulting from having longer circle stroke than one corresponding to the stroke of said reciprocation member, and there is provided an -elastic member between said rotation member and reciprocation member, whereby said elastic member allows said rotation member to rotate on said excess stroke while keeping said reciprocation member at end position thereof.
Claim 10
Dependent Claim
50 words
The camera of claim 3, wherein there are provided a stop means preventing said film winding means from turning to the reverse direction thereof during said lens shifting means being acting, and a means for releasing said stop means from said preventing action during said 4ilm rewinding means being acting.
Claim 11
Dependent Claim
51 words
The camera of claim 3, wherein there is provided a means for actuating said mode change means interlockingly with open-close motion of back lid, whereby power transmission means of said motor is changed from being capable of connecting with film rewinding means to being capable of connecting with lens shifting means.
Claim 12
Dependent Claim
24 words
The camera of claim 10, wherein there is further provided a means for actuating said actuation means on close condition of said back lid.
Claim 13
Dependent Claim
57 words
The camera of claim 3, wherein both steps of film rewinding and lens shifting are selectively carried out on same turning direction of said single motor and there is provided a lock means acting interlockingly with film rewinding means, whereby, during said film rewinding means being acting, said lock means prevents said lens shifting means from acting.
Claim 14
Dependent Claim
105 words
The camera of claim 2, wherein two sets of transmission mode-change means comprise' (a) primary transmission means transmitting a driving force of said motor, (b) primary clutch means provided on said primary transmission means and capable of being controlled to change primary transmission mode which transmits said force to film winding means or secondary transmission means, (c) said secondary transmission means capable of being engaged with and disengaged from said primary clutch means, (d) secondary clutch means provided on said secondary transmission means and capable of being controlled to change secondary transmission mode which transmits said force to film rewinding means or lens shifting means.
Claim 15
Dependent Claim
108 words
The camera of claim 13, wherein said secondary clutch means comprising, a driving means for lens shifting means, and a driving shaft being axially movable and capable of being engaged with and disengaged from said driving means, said shaft having a protrusion member and further capable of being engaged with and disengaged from said film rewinding means in accordance with said axial movement, whereby, when said driving shaft being at engaged position with said film rewinding means, said driving shaft is disengaged from said driving means, when said driving shaft being at disengaged position from said film rewinding means, said driving shaft is engaged with said driving means.
Claim 16
Dependent Claim
28 words
The camera of claim 13, - wherein said primary clutch means is controlled to change said primary transmission mode in accordance with the turning direction of said motor.
Claim 17
Independent Claim
86 words
A method of operating an electric camera comprising a step of; causing driving force by using a single motor, transmitting said driving force, changing a transmission mode by two sets of transmission mode change means, at least one of said mode change means being controlled to change said mode in accordance with the turning direction of said motor, winding a film, rewinding a film, and acting for other function, wherein steps consisting of said winding, rewinding, and acting for other function can be selectively carried out.
Claim 18
Independent Claim
86 words
A method of operating an electric camera comprising a step of; causing driving force by using a single motor, transmitting said driving force, changing a transmission mode by two sets of transmission mode change means, at least one of said mode change means being controlled to change said mode in accordance with the turning direction of said motor, winding a film, rewinding a film, and acting for other function, wherein steps consisting of said winding, rewinding, and acting for other function can be selectively carried out.
Claim 19
Dependent Claim
21 words
The method of claim 16, wherein said step of acting for other function is a step of shifting a lens means.
Claim 20
Dependent Claim
21 words
The method of claim 16, wherein said step of acting for other function is a step of setting a flash light.
Claim 21
Dependent Claim
23 words
The method of claim 16, wherein said step of acting for other function is a step of open-close action for a lens cover.
Claim 22
Dependent Claim
28 words
The method of claim 16, wherein both steps of rewinding a film and acting for other function are selectively carried out on same direction of said single motor.
Claim 23
Dependent Claim
71 words
The method of claim 16, wherein, a step of winding a film is carried out during one turning direction of said motor, a step of shifting a lens means is carried out during reverse turning direction of said motor, and a step of rewinding a film is carried out by actuating a switch means for rewinding a film during reverse turning direction of said motor without carrying out said lens shift.
Claim 24
Independent Claim
107 words
A method of operating an electric camera comprising a step of; causing driving force by using a single motor, transmitting said driving force, changing a transmission mode by two sets of transmission mode change means, at least one of said mode change means being controlled to change said mode in accordance with the turning direction of said motor, winding a film, rewinding, a film, and shifting a lens means wherein both steps of rewinding a film and shifting a lens are carried out on same direction of a single motor and the start of said motor for said both steps is carried out by a single switch.
Claim 25
Independent Claim
107 words
A method of operating an electric camera comprising a step of; causing driving force by using a single motor, transmitting said driving force, changing a transmission mode by two sets of transmission mode change means, at least one of said mode change means being controlled to change said mode in accordance with the turning direction of said motor, winding a film, rewinding, a film, and shifting a lens means wherein both steps of rewinding a film and shifting a lens are carried out on same direction of a single motor and the start of said motor for said both steps is carried out by a single switch.
Claim 26
Dependent Claim
28 words
The method of claim 22, wherein further comprising a step of monitoring said both steps respectively and controlling said motor by utilizing the signal from said monitoring means.
Claim 27
Dependent Claim
40 words
The method of claim 22, wherein there are provided two sets of operation member capable of being operated from outside of camera body for lens shifting and film rewinding, said single switch can be actuated interlockingly with said operation members.
Claim 28
Dependent Claim
18 words
The method of claim 22, wherein said single switch can be actuated directly from outside of camera body.
References Cited (Backward Citations)
US4294527A
Cited
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