# US 7,465,051 B2 · Apparatus and method for generating an image > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,465,051 B2 - Document ID: US7465051B2 - Status: Granted - Kind: B2 - Application number: 11/242,979 - Filed: 2005-10-04 - Published: 2006-04-20 - Granted: 2008-12-16 - Earliest claimed: 2004-10-15 - Assignees: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. - Inventors: Heinrich Grueger - Web page: https://patentgrep.com/patent/US7465051B2 ## CPC - G03B 21/28: Reflectors in projection beam {(in illumination beam G03B21/2066)} - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) ## Abstract An apparatus for generating an image comprises a projection means, which is designed to generate an image on a projection area, a detection means, which is designed to generate a detection means signal in dependence on a position or change of position of the projection means, and a control means, which is designed to control the image generated by the projection means based on the detection means signal. A method for generating an image comprises detecting a position or change of position of a projection means via a detection means, generating a detection means signal by the detection means in dependence on the position or change of position and controlling the image generated by the projection means on a projection area based on the detection means signal. ## Claims ### Claim 1 An apparatus for generating an image, comprising: an image source; a projector, which is designed to generate an image on a projection area based on an image signal received from the image source; a detector, which is designed to generate a detector signal in dependence on a position or change of position of the projector; and a controller, which is designed to control the image generated by the projector based on the detector signals, wherein the image source is configured to adapt a content of the image shown by the apparatus or a sequence of images, respectively, based on the detector signal received by the image source. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein the controller is designed to maintain the image generated by the projector in a stationary position. ### Claim 3 (depends on 1) The apparatus according to claim 1, wherein the detector comprises a rotation rate sensor. ### Claim 4 (depends on 3) The apparatus according to claim 3, wherein the detector comprises three rotation rate sensors. ### Claim 5 (depends on 4) The apparatus according to claim 4, wherein the three rotation rate sensors are disposed and designed such that a first rotation rate sensor detects a rotational movement around an x axis, a second rotation rate sensor detects a rotational movement around an y axis and a third rotation rate sensor detects a rotational movement around a z axis, wherein the x axis, the y axis and the z axis are each disposed perpendicular to each other within predetermined tolerances. ### Claim 6 (depends on 1) The apparatus according to claim 1, wherein the projector comprises a deflectable miffor. ### Claim 7 (depends on 6) The apparatus according to claim 6, wherein the deflectable mirror is biaxially tiltable. ### Claim 8 (depends on 7) The apparatus according to claim 7, wherein the deflectable miffor is tiltable around an x rotation axis and an y rotation axis, wherein the x rotation axis and the y rotation axis are disposed perpendicular to each other within predetermined tolerances. ### Claim 9 (depends on 1) The apparatus according to claim 1, comprising three image sources spaced apart from each other. ### Claim 10 (depends on 1) The apparatus according to claim 1, which is formed to move a cursor in dependence on the detector signal in the image generated by the projector. ### Claim 11 (depends on 1) The apparatus according to claim 1, wherein the image source includes an application generating the image signal and wherein the image source is adapted to use the detector signal as a control parameter for the application. ### Claim 12 A mobile phone comprising: an image source; a projector, which is designed to generate an image on a projection area based on an image signal received from the image source; a detector, which is designed to generate a detector signal in dependence on a position or change of position of the projector; and a controller, which is designed to control the image generated by the projector based on the detector signal, wherein the image source is configured to adapt a content of the image shown by the apparatus or a sequence of images, respectively, based on the detector signal received by the image source. ### Claim 13 (depends on 12) The mobile phone according to claim 12 wherein the image source includes an application generating the image signal and wherein the image source is adapted to use the detector signal as a control parameter for the application. ### Claim 14 A joystick comprising: an image source; a projector, which is designed to generate an image on a projection area based on an image signal received from the image source; a detector, which is designed to generate a detector signal in dependence on a position or change of position of the projector; and a controller, which is designed to control the image generated by the projector based on the detector signals, wherein the image source is configured to adapt a content of the image shown by the apparatus or a sequence of images, respectively, based on the detector signal received by the image source. ### Claim 15 (depends on 14) The joystick according to claim 14 wherein the image source includes an application generating the image signal and wherein the image source is adapted to use the detector signal as a control parameter for the application. ### Claim 16 A method for generating an image by means of a device for generating an image comprising an image source and a projector, comprising the steps of: detecting a position or change of position of the projector via a detector; generating a detector signal by the detector in dependence on the position or change of position; adapting a content of the image shown by the apparatus or a sequence of images, respectively, based on the detector signal received by the image source; and controlling the image generated by the projector on a projection area based on the detector signal, the projector generating the image based on an image signal from the image source. ### Claim 17 (depends on 16) The method according to claim 16, wherein the image source includes an application generating the image signal and wherein the method further comprises: using the detector signal as a control parameter for the application.