Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 4605286 | Motor built-in lens mounting A mechanical mounting for a lens system having a component axially movable to perform optical functions. Movement of the component is controlled by a motor in a form of a hollow cylindrical field magnet rotatably fitted in a hollow cylindrical field coil ... | 08/12/1986 |
| 4596449 | Zoom lens apparatus A zoom lens apparatus comprising a moving construction for moving a zoom-ratio adjusting barrel composed of a variator-lens amount and a compensator-lens mount by the rotation along the direction of the optical axis within the fixed barrel; a stepping mot... | 06/24/1986 |
| 4585313 | Lens drive device and optical lens assembly utilizing the same A lens drive mechanism comprising a lens mount, a basic barrel having a compartment defined therein for accommodating the lens mount for movement in a direction parallel to the optical axis, a pin member, and a generally semicircular cross-sectioned cam m... | 04/29/1986 |
| 4583827 | Optical lens moving mechanism An optical lens moving mechanism for zoom lens systems using a plane cam is disclosed. A lens system having an optical axis comprises at least two lens groups. A first lens holder and a second lens holder which respectively hold the two lens groups are mo... | 04/22/1986 |
| 4555165 | Zoom lens barrel for variable magnification type copying machine A zoom lens barrel for a variable magnification type copying machine in which the lenses are readily mounted and adjusted and the optimum angular positions thereof employed. Two movable lenses are fixedly held by respective movable lens frames, the latter... | 11/26/1985 |
| 4534624 | Construction of lens barrel operated by electromagnetic induction A lens assembly including an adjusting mechanism arranged to render a part or parts of or all of the optical elements, constituting an optical system, movable by an electric motor drive arrangement, the lens barrel is composed of a stator or stators of on... | 08/13/1985 |
| 4531831 | Variable magnification image formation apparatus Disclosed is a variable magnification image formation apparatus wherein an image of an original is formed on a photosensitive member by the use of a zoom lens assembly of the type in which the focal length is changed by rotating a zoom ring about the opti... | 07/30/1985 |
| 4446526 | Control circuit for zooming device A compact control circuit for a zoom lens assembly including a microcomputer and external devices including a pulse motor driver section, a detection section, and an operation section coupled through an interface circuit to the microcomputer. The external... | 05/01/1984 |
| 4445757 | Zooming device A zooming device for a camera, which comprises a rocker which operates a plurality of successively operable switches provided on each side of the center of rotation. The rocker can be turned in either direction to operate the first one of the plurality of... | 05/01/1984 |
| 4417281 | Image magnification control mechanism for facsimile zoom lens An image magnification control mechanism for a facsimile zoom lens is provided in which a position detecting section is directly coupled to a drive member for moving the optical system of the zoom lens. The positions of the lens groups are controlled by a... | 11/22/1983 |
| 4235509 | Electrically driven optical instrument with manual drive An electrically driven optical instrument such as stereo-microscope is provided with a transfer shaft rotatably carrying a drive transmitting, transfer gear. An axial displacement of the transfer gear occurs in response to an external operation to move th... | 11/25/1980 |
| 4161756 | Control system for varifocal objective The correlated positions of two axially shiftable components of a varifocal objective, i.e., a variator and a compensator, throughout a zoom range are stored in a memory from which they can be read out to control respective drives during a zooming operati... | 07/17/1979 |
| 4149775 | Zoom lens apparatus with adjustable aperture A remotely controlled projection zoom lens apparatus utilizes a zoom lens assembly having a spur gear fitted to the barrel element of a zoom lens rotationally driving a zoom lens element. Another spur gear is co-axially aligned with an iris element operab... | 04/17/1979 |
| 4119364 | Device for displaying magnification in the field of view of a microscope A magnification display device for displaying magnification on a part in the observation field of view or photographing field of view of a zoom type microscope. The device comprises a mirror frame for the microscope incorporating with a zoom lens, and a m... | 10/10/1978 |
| 4076389 | Zoom lens mount and mechanism A mount and mechanism for a symmetrical zoom lens in which the outer lens elements are stationary relative to the lens housing. The inner elements on one side of the center move in unison on one shaft driven in symmetrically opposite direction relative to... | 02/28/1978 |
| 4057327 | Drive apparatus for an optical system A drive apparatus for the axial displacement of components of an optical system to effect focusing or zooming adjustment includes a first drive assembly of servo type and a second drive assembly. The first drive assembly is provided with a clutch connecte... | 11/08/1977 |
| 4008951 | Control mechanism for optical system with independently movable components A varifocal objective with two independently movable components is adjustable by a reversible master motor positively coupled with a screw drive for one component and with a movable part of a position sensor which emits pulses of varying density during di... | 02/22/1977 |
