Imaging assembly and mounting for surveillance viewing under remote control

• US 4,855,823 A
• Filed: 05/05/1988
• Issued: 08/08/1989
• Est. Priority Date: 05/05/1988
• Status: Expired

• Current Assignee: British Technology Group Ltd.
• Original Assignee: Applied Engineering Products Co.
• Inventors: Struhs, Patrick L., Struhs, Kenneth E., Struhs, Mark J.
• Primary Examiner(s): Coles, Sr., Edward L.
• Assistant Examiner(s): Kostak, Victor R.
• Application Number:
  US07/190,365
• Time in Patent Office: 460 Days
• Field of Search: 358/229, 358/108, 358/87, 358/100, 358/99, 354/81, 74/479, 901/47
• US Class Current: 348/151
• CPC Class Codes: G08B 13/1963 Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]
• CPC Class Codes: G08B 13/19632 Camera support structures, e.g. attachment means, poles
• CPC Class Codes: H04N 7/183 for receiving images from a single remote source
• CPC Class Codes: Y10T 74/20207 Multiple controlling elements for single controlled element

Abstract

An integrated, miniaturized, imaging assembly, comprising microscope size and arrangement, video camera lenses having the objective lens in a mount that is preferably a blackened sphere and that is pivotally mounted in a supporting structure rearwardly of but adjacent to the objective lens, so the forward end of the lens mount can be placed within a concave dome of unusually small and shallow size with the remainder of the imaging assemby outside of and behind the concavity of such viewing dome, and can be tilted and panned to sweep over a broad viewing area with minimum intrusion thereinto. The imaging assembly includes an electronic image-acquisition device, in line with the optical axis of the lenses, and electronic camera circuitry preferably remote therefrom. An easily movable, tripod type of mount for the imaging assembly is adapted to rest on ceiling or other structure in which the viewing dome is mounted.

Claims

1. An integrated imaging assembly and mounting therefor particularly for surveillance viewing under remote control from a closed circuit television system, said imaging assembly comprising an optical lens arrangment including, among other lenses, an objective lens, a mount for said objective lens, and an electronic, charge-coupled, image-acquisition device optically aligned with said lens arrangement for receiving images therefrom;

mounting means for said imaging assembly;

means pivotally mounting said objective lens mount in said mounting means rearwardly of but adjacent to said objective lens, so the objective lens and the forward portion of said objective lens mount can be placed within a concave viewing dome of unusually small and shallow size, with the remainder of said imaging assembly and mounting therefor substantially wholly outside of and behind the concavity of the viewing dome, and can be tilted and panned to sweep over a broad viewing area with minimum protrusion thereinto;

remotely controlled means for tilting said objective lens mount;

remotely controlled means for panning said objective lens mount;

remotely controlled means for adjusting the positions of lenses in said lens arrangement; and

electronic video camera means with which said charge-coupled, image-acquisition device is electrically connected.

2. An integrated imaging assembly and mounting therefor according to claim 1, wherein the objective lens and the other lenses of the lens arrangement are of microscope type that are miniature relative to the lenses of a standard video surveillance system.

3. An integrated imaging assembly and mounting therefor according to claim 2, wherein the remotely controlled means for adjusting the positions of lenses in the lens arrangement comprises remotely controlled, miniature, electric motors for respective lenses;

and drive means between said motors and the respective lenses.

4. An integrated imaging assembly and mounting therefor particularly for surveillance viewing under remote control from a closed circuit television system, said imaging assembly comprising an optical lens arrangement including, among other lenses, an objective lens, a mount for said objective lens, an an electronic, charge-coupled, image-acquisition device optically aligned with said lens arrangement for recieving images therefrom;

mounting means for said imaging assembly;

means pivotally mounting said objective lens mount in said mounting means rearwardly of but adjacent to said objective lens, so the forward end of said objective lens mount can be placed within a concave viewing dome of unusually small and shallow size, with the remainder of said imaging assembly outside of and behind the concavity of the viewing dome, and can be tilted and panned to sweep over a broad viewing area with minimum protrusion thereinto;

remotely controlled means for tilting said objective lens mount;

remotely controlled means for panning said objective lens mount;

remotely controlled means for adjusting the positions of lenses in said lens arrangement; and

electronic video camera means with which said image-acquisition, charge-coupled device is electrically connected, the mount for the objective lens being spherical in shape and pivoted on an axis extending transversely of and normal to the optical axis of said objective lens.

5. An integrated imaging assembly and mounting therefor according to claim 4, wherein the spherical mount for the objective lens has a black, outer, spherical surface.

6. An integrated imaging assembly and mounting therefor according to claim4, wherein the remotely controlled means for tilting the objective lens mount comprises a sector gear fastened to said mount internally of its spherical shape;

a drive pinion n mesh with said sector gear; and

a miniature, reversible, electric motor for rotating said drive pinion in opposite directions.

7. An integrated imaging assembly and mounting therefor particularly for surveillance viewing under remote control from a closed circuit television system, said imaging assembly comprising an optical lens arrangement including, among other lenses, an objective lens, a mount for said objective lens, and an electronic, charge-coupled, image-acquisition device optically aligned with said lens arrangement for recieving images therefrom;

mounting means for said imaging assembly;

means pivotally mounting said objective lens mount in said mounting means rearwardly of but adjacent to said objective lens, so the forward end of said objective lens mount can be placed within a concave viewing dome of unusually small and shallow size, with the remainder of said imaging assembly outside of and behind the concavity of the viewing dome, and can be tilted and panned to sweep over a broad viewing area with minimum protrusion thereinto;

remotely controlled means for tilting said objective lens mount;

remotely controlled means for panning said objective lens mount;

remotely controlled means for adjusting the positions of lenses in said lens arrangement; and

electronic video camera means with which said image-acquisition, charge-coupled device is electrically connected, the imaging assembly mounting means comprising a turntable;

mounting means for said turntable; and

a pair of arms depending from said turntable, the objective lens mount being pivotally mounted in and between the lower ends of the arms of said pair;

the remotely controlled means for panning the objective lens mount comprising a remotely controlled, miniature, electric motor; and

drive means between said electric motor and said turntable.

8. An integrated imaging assembly and mounting therefor according to claim 7, wherein the components of the imaging assembly are physically aligned longitudinally of and between the arms of the pair and are rigidly interconnected so as to tilt with the objective lens mount relative to said arms.

9. An integrated imaging assembly and mounting therefor according to claim 8, wherein the electronic camera means is mounted on one of the arms of the pair;

wherein electric cable means adapted for connection into a closed circuit television system passes into the imaging assembly through the turntable and is connected with the electronic camera means and the motor means; and

wherein means are provided adjacent to said turntable for preventing said cable from undue twisting.

10. An integrated imaging assembly and mounting therefor according to claim 9, wherein the means provided to prevent undue twisting of the cable is a slip ring device.

11. An integrated imaging assembly and mounting therefor according to claim 7, wherein the mounting means for the turntable comprises a platform in which the turntable is mounted, and a plurality of legs depending from said platform to terminations in feet adapted to rest on a supporting surface about at the pivoting level of the objective lens mount.

12. An integrated imaging assembly and mounting therefor according to claim 11, wherein the feet are height adjustably attached to the lower ends of the legs.

13. An integrated imaging assembly and mounting therefor according to claim 12, wherein the positions of the legs are laterally adjustable relative to the

14. An integrated imaging assembly and mounting therefor according to claim 7, including electrically-operated parking brake means for holding the objective lens mounting and the turntable, respectively, in position upon de-energization of their motor means.

15. An integrated imaging assembly and mounting therefor according to claim 7, wherein the objective lens and the other lenses of the lens arrangement are of microscope type that are miniature relative to the lenses of a standard video surveillance camera.

16. An integrated imaging assembly and mounting therefor according to claim 15, wherein the remotely controlled means for adjusting the positions of lenses in the lens arrangement comprises remotely controlled, miniature, electric motors for respective lenses;

and drive means between said motors and the respective lenses.

17. An integrated imaging assembly and mounting therefor according to claim 15, wherein the mount for the objective lens is spherical in shape and is pivoted on an axis extending transversely of and normal to the optical axis of said objective lens.

18. An integrated imaging assembly and mounting therefor according to claim 17, wherein the spherical mount for the objective lens has a black, outer, spherical surface.

19. An integrated imaging assembly and mounting therefor according to claim 17, wherein the remotely controlled means for tilting the objective lens mount comprises a sector gear fastened to said mount internally of its spherical shape;

a drive pinion in mesh with said sector gear; and

a miniature, reversible, electric motor for rotating said drive pinion in opposite directions.

20. An inconspicuous but broad sweep surveillance video viewing installation, comprising a concave viewing dome of unusually small size and shallow depth positioned for broad sweep viewing with its concavity facing upwardly;

an integrated imaging assembly and mounting therefor adapted for interconnection with a closed circuit television system, said imaging assembly comprising an optical lens arrangement including, among other lenses, an objective lens, a mount for said objective lens, and an electronic, charge-coupled, image-acquisition device optically aligned with said lens arrangement for receiving images therefrom;

mounting means for said imaging assembly positioned above and substantially wholly outside the concavity of said dome;

means pivotally mounting said objective lens mount in said mounting means rearwardly of but adjacent to said objective lens at about the level of the opening of the concavity of the dome, so the objective lens and forward portion of said objective lens mount is within said dome, with the remainder of said imaging assembly and mounting therefor substantially wholly outside of and behind the concavity of the dome, and can be tilted and panned to sweep over a broad viewing area with minimum protrusion thereinto;

remotely controlled means for tilting said objective lens mount;

remotely controlled means for panning said objective lens mount;

remotely controlled means for adjusting the positions of lenses in said lens arrangement; and

electronic video camera means with which said image-acquisition, charge-coupled device is electrically connected.

21. A surveillance video viewing installation according to claim 20, wherein the objective lens and the other lenses of the lens arrangement are of microscope type that are miniature relative to the lenses of a standard video surveillance system.

22. A surveillance video viewing installation according to claim 21, wherein the remotely controlled means for adjusting the positions of lenses in the lens arrangement comprises remotely controlled, miniature, electric motors for respective lenses;

and drive means between said motors and the respective lenses.

23. A surveillance video viewing installation according to claim 20, wherein the mount for the objective lens is spherical in shape and is pivoted on an axis extending transversely of and normal to the optical axis of said objective lens.

24. A surveillance video viewing installation according to claim 23, wherein the spherical mount for the objective lens has a black, outer, spherical surface.

25. A surveillance video viewing installation according to claim 23, wherein the remotely controlled means for tilting the objective lens mount comprises a sector gear fastened to said mount internally of its spherical shape;

a drive pinion in mesh with said sector gear; and

a miniature, reversible, electric motor for rotating said drive pinion in opposite directions.

26. A surveillance video viewing installation according to claim 20, wherein the imaging assembly mounting means comprises a turntable;

mounting means for said turntable; and

a pair of arms depending from said turntable, the objective lens mount being pivotally mounted in and between the lower ends of the arms of said pair; and

wherein the remotely controlled means for panning the objective lens mount comprises a remotely controlled, miniature, electric motor; and

drive means between said electric motor and said turntable.

27. A surveillance video viewing installation according to claim 26, wherein the components of the imaging assembly are physically aligned longitudinally of and between the arms of the pair and are rigidly interconnected so as to tilt with the objective lens mount relative to said arms.

28. A surveillance video viewing installation according to claim 27, wherein the electronic camera mans is mounted on one of the arms of the pair;

wherein electric cable means adaped for connection into a closed circuit television system passes into the imaging assembly through the turntable and is connected with the electronic camera means and the motor means; and

wherein means are provided adjacent to said turntable for preventing said cable from undue twisting.

29. A surveillance video viewing installation according to claim 28, wherein the means provided to prevent undue twisting of the cable is a slip ring device.

30. A surveillance video viewing installation according to claim 26, wherein the mounting means for the turntable comprises a platform in which the turntable is mounted, and a plurality of legs depending from said platform to terminations in feet adapted to rest on a supporting surface about at the pivoting level of the objective lens mount.

31. A surveillance video viewing installation according to claim 30, wherein the feet are height adjustably attached to the lower ends of the legs.

32. A surveillance video viewing installation according to claim 31, wherein the positions of the legs are laterally adjustable relative to the platform.

33. A surveillance video viewing installation according to claim 26, including electrically-operated parking brake means for holding the objective lens mounting and the turntable, respectively, in position upon de-energization of their motor means.

34. A surveillance video viewing installation according to claim 26, wherein the objective lens and the other lenses of the lens arrangement are of microscope type that are miniature relative to the lenses of a standard video surveillance system.

35. A surveillance video viewing installation according to claim 34, wherein the remotely controlled means for adjusting the positions of lenses in the lens arrangement comprises remotely controlled, miniature, electric motors for respective lenses;

and drive means between said motors and the respective lenses.

36. A surveillance video viewing installation according to claim 34, wherein the mount for the objective lens is spherical in shape and is pivoted on an axis extending transversely of and normal to the optical axis of said objective lens.

37. A surveillance video viewing installation according to claim 36, wherein the spherical mount for the objective lens has a black, outer, spherical surface.

38. A surveillance video viewing installation according to claim 36, wherein the remotely controlled means for tilting the objective lens mount comprises a sector gear fastened to said mount internally of its spherical shape;

a drive pinion in mesh with said sector gear; and

a miniature, reversible, electric motor for rotating said drive pinion in opposite directions.