1
von Belvard Peter Revy, Scheiber Robert: Viewfinder. Vockenhuber Karl, Hausen Raimund, April 3, 1973: US3724349 (18 worldwide citation)

In an optical system an objective defining an optical axis and at least one image plane, the objective forming a real image of an object in the image plane. A device is provided for varying the contrasts of said image. The means is arranged on the optical axis and comprises a plurality of photoelect ...


2
Gela Helmut, Besenmatter Walter, Scheiber Robert, Schneider Fritz, Rothy Gerhard: Range finder. Vockenhuber Karl, Hauser Raimund, Montague Ernest G, Ross Karl F, Dubno Herbert, October 29, 1974: US3844658 (13 worldwide citation)

A range finder system, and a range finding method, which comprise in combination at least one adjustable objective for forming a first image of an object in a first image plane. A device for adjusting the objective to focus the image in the image plane. An optical device forms a second image of the ...


3
Gela Helmut, Muszumanski Trude: Pancratic lens. Vockenhuber Karl, Hauser Raimund, November 20, 1973: US3773402 (12 worldwide citation)

The lens comprises a rear lens unit having a fixed focal length and a pancratic lens supplement having a variable magnification factor. The pancratic lens supplement comprises a stationary, positive first lens unit, an axially displaceable, negative second lens unit succeeding the first lens unit, a ...


4
Scheiber Robert: Tubular directional microphone. Vockenhuber Karl, Hauser Raimund, April 18, 1972: US3657490 (12 worldwide citation)

At least one directional tube communicates with a sound transmitter capsule and is provided with acoustic impedance elements spaced along said tube and having predetermined cut-off frequencies, which increase in one direction along said tube, and predetermined natural frequencies, which decrease as ...


5
Muszumanski Trude, Kurz Gunter, Wendisch Irngard: Pancratic objective. Vockenhuber Karl, Hauser Raimund, Montague Ernest G, Ross Karl F, Dubno Herbert, June 24, 1975: US3891304 (11 worldwide citation)

A varifocal objective with a basic rear lens group of fixed focal length and an afocal front lens assembly of variable magnification ratio has a performance value Z > 4, with ##EQU1## WHERE 2Y IS THE IMAGE DIAGONAL, F.sub.Gmax is the maximum overall focal length and f.sub.Gmin is the minimum focal l ...


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7
Eitzenberger Friedrich: Cassette feed-out device. Vockenhuber Karl, Hauser Raimund, May 15, 1973: US3733036 (7 worldwide citation)

A feed-out device for extracting the leading end of a strip wound on a cassetted reel has a stripper hinged to the forward end of a support, which is inserted into the cassette during feed-out. The support is provided with a bearing surface which engages the strip roll periphery, and the stripper is ...


8
Vockenhuber Karl, Freudenschuss Otto, Von Belvard Peter Revy: Camera. Vockenhuber Karl, Hanser Raimund, July 30, 1974: US3826567 (7 worldwide citation)

A camera is able to receive simultaneously a still photographic film and a cinematographic film. It has an optical system which is, at least in part, common to both types of film. Release mechanisms for respective still and cine shutters are connected to one another and to a mirror which is displace ...


9
Pammer Gottfried, Wotdurfter Josef: Arrangement for use in projection. Vockenhuber Karl, Hauser Raimund, July 17, 1973: US3746437 (6 worldwide citation)

A connecting member is movably connected to a carrying case body and connected to a carrying case cover and operable to move said cover relative to said body between a closed position and a position for use. A mirror is carried by and substantially rigid with said cover and extends substantially par ...


10
Stopping device. Hauser Raimund, Vockenhuber Karl, February 14, 1979: GB2002072-A (6 worldwide citation)

A device is provided for stopping moving or mobile components, for example in magnetic tape apparatus or in a shutter of a cine camera or projector. The device disclosed has an electromagnet (1,2) placed in contact with one face of a preferably non-magnetic moving or mobile component (21) and a mova ...