Claims
- 1. A single-lens reflex camera having a lens barrel with a taking lens, comprising:
- (a) a first mechanism arranged to adjust the focusing state of said taking lens;
- (b) a second mechanism arranged to adjust the focal length of said taking lens;
- (c) a first motor secured to said taking lens and arranged to move said first mechanism;
- (d) a second motor secured to said taking lens and arranged to move said second mechanism;
- (e) operating means for effecting a manual operation;
- (f) switching means responsive to said operating means;
- (g) motor control means for driving, in response to the state of said switching means, said first and second mechanisms to shift their positions to predetermined positions where the taking lens has the shortest length thereof;
- (h) energy supply control means operably connected to said motors to interrupt an electrical energy supply path to said first and second motors in response to said first and second mechanisms reaching the predetermined positions;
- (i) a power source for supplying electrical power to said motor control means, said power source and said first and second motor being arranged around said lens barrel and in parallel to an optical axis of the taking lens.
- 2. A camera according to claim 1, wherein said energy supply control means includes a transistor connected to said power source.
- 3. A camera according to claim 1, wherein said motor control means is arranged to drive, in response to the state of said switching means, said second motor until the position of said taking lens reaches the wide-angle end position thereof and, after that, to drive said first motor until the position of said taking lens reaches the infinity distance end position thereof.
- 4. A single-lens reflex camera having a lens barrel with a taking lens, comprising:
- (a) a first mechanism arranged to adjust the focusing state of said taking lens,
- (b)a first motor secured to said taking lens and arranged to move said first mechanism;
- (c) operating means for effecting a manual operation;
- (d) switching means responsive to said operating means;
- (e) motor control means connected to said first motor for driving said first motor in response to the state of said switching means to move said first mechanism up to a position thereof where said taking lens comes to have the shortest length thereof;
- (f) energy supply control means operatively connected to said first motor to interrupt an electrical energy supply path to said first motor in response to said first mechanism reaching the position; and
- (g) a power source for supplying electrical power to said motor control means, said power source and said first motor being arranged around said lens barrel and in parallel to an optical axis of the taking lens.
- 5. A camera having a lens barrel with a taking lens, comprising:
- (a) a first mechanism arranged to adjust the focusing state of said taking lens;
- (b) a first motor secured to said taking lens and arranged to move said first mechanism;
- (c) operating means for effecting a manual operation;
- (d) switching means responsive to said operating means;
- (e) motor control means connected to said first motor for driving said first motor in response to the state of said switching means to move said first mechanism up to a position thereof where said taking lens comes to have the shortest length thereof;
- (f) energy supply means operatively connected to said first motor to interrupt an electrical energy path to said first motor when said first mechanism reaches the position; and
- (g) a power source for supplying electrical power to said motor control means said power source and said first motor being arranged around said lens barrel and in parallel to an optical axis of the taking lens.
Priority Claims (1)
Number |
Date |
Country |
Kind |
60-248911 |
Nov 1985 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 926,136, now abandoned, filed Nov. 3, 1986.
US Referenced Citations (5)
Continuations (1)
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Number |
Date |
Country |
Parent |
926136 |
Nov 1986 |
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