Camera apparatus and method

• US 4,901,096 A
• Filed: 12/30/1988
• Issued: 02/13/1990
• Est. Priority Date: 12/30/1988
• Status: Expired due to Fees

• Current Assignee: Jerome H. Lemelson
• Original Assignee: Jerome H. Lemelson
• Inventors: Lemelson, Jerome H.
• Primary Examiner(s): Gellner, Michael L.
• Application Number:
  US07/292,338
• Time in Patent Office: 410 Days
• Field of Search: 354/75, 354/202, 354/268, 354/76, 354/70, 354/430
• US Class Current: 396/266
• CPC Class Codes: G03B 17/20 visible in viewfinder
• CPC Class Codes: G03B 2217/005 Blur detection
• CPC Class Codes: G03B 7/093 for control of exposure time

Abstract

An apparatus and method for controlling the operation of a camera, such as a photographic camera or a still image recording electronic camera, to prevent the recording of picture information which is blurred due to camera movement while the shutter of the camera is open. In one form, a push-button or lever operated mechanism effects shutter opening when actuated by a finger of the hand wherein such shutter opening is prevented by a lock or braking mechanism which is activated by a signal generated when camera movement is detected by a motion sensor. In a second form, a camera shutter brake or lock normally prevents shutter operation and is released when a shutter actuating push button or lever is operated provided that a motion detector supported by the camera does not detect camera movement. In a third form, the camera shutter is operated to openb by a motor or solenoid when a control signal is generated by an electronic circuit such as a computer or microprocessor which processes signals generated when a motion sensor senses camera movement. The generation of a motion indicating signal prevents the shutter driving motor from operating to open the shutter even though a switch for connecting the shutter motor to a battery power supply is closed by hand. In a particular form, the signal generated when the camera motion sensor senses camera movement, is also applied to activate a display such as an electric light emitting diode, the direct or reflected light of which is viewable through the camera viewer or view finder to warn the photographer that the camera is not being held steadily enoght to take a proper picture.

Claims

1. A camera apparatus comprising in combination:

(a) a camera for taking still pictures and including a lens system for receiving light patterns of images to be photographed and a normally closed shutter for allowing, when opened, light to pass into said camera and to be recorded on a record medium therein, and manually operable means for causing said shutter to be briefly opened to allow light to be received and patterns thereof recorded in said camera, the improvement comprising;

first means secured to said camera for sensing movement thereof and generating movement sensing signals,

second means including electronic computing means for receiving, processing and analyzing said movement sensing signals and generating control signals,

third means for receiving said control signals and preventing the operation of said shutter of said camera by a person attempting to employ said camera to take a picture.

2. A camera apparatus in accordance with claim 1 wherein said third means comprises an electro-mechanical means responsive to said control signals and operable to prevent the mechanical operation of said shutter while receiving said control signals.

3. An apparatus in accordance with claim 2 wherein said electro-mechanical means is normally biased to prevent the operation of the shutter of said camera and is driven when a manually operable actuator is operated by an operator of the camera to a position to permit the shutter of said camera to open when said actuator is manually operated provided that said first means is not sensing movement of said camera.

4. Camera apparatus in accordance with claim 2 wherein said electro-mechanical means comprises an electric motor or solenoid operable when activated by said control signals for interferring with the normal operation of said shutter by a finger of the hand of a person attempting to take a picture with said camera.

5. Camera apparatus in accordance with claim 4 including a spring-biased push button mechanism having a finger operable actuator connected to said camera shutter for causing same to open when actuated, said electro-mechanical means serving to prevent the operation of said camera shutter by said push-button mechanism when force is applied to the actuator thereof, when said thrid means operably receives control signals generated when said first means senses camera movement.

6. Camera apparatus comprising in combination:

(a) a camera for taking still pictures and including a housing and a lens system for receiving light from objects in the scanning field of said camera, and a normally closed shutter for allowing, when opened, light to pass into said camera and to be recorded on a record medium such as photographic film within said housing, and manually operable means for causing said shutter to briefly open to allow light to pass into said housing to said recording medium, the improvement comprising;

(a) first means supported by said camera for sensing movement of said camera and generating movement sensing signals,

(b) second means operable in response to receipt of said sensing signals for generating control signals, and (c) third means response to said control signals for preventing the operation of said normally closed shutter in the act of opening when hand force is applied to said manually operable means.

7. Camera apparatus in accordance with claim 6 wherein said second means comprises a microelectronic computer such as a microprocessor for receiving and processing sensing signals generated by said first means and generating said control signals.

8. Camera apparatus in accordance with claim 6 wherein said third means includes an electric motor operable to drive said normally closed shutter in a shutter opening operation and motor control means for controlling the operation of said electric motor, said motor being prevented by said control means from driving said shutter in response to receipt of said control signals.

9. Camera apparatus in accordance with claim 6 wherein said third means is operable to prevent the proper operation of said manually operable meas causing said shutter to open.

10. Camera apparatus in accordance with claim 6 including an electrically operated means for driving said shutter to open when said manually operable means is actuated, said third means comprising an electronic control means for preventing the oepration of said electrically operated shutter driving means in response to receipt of control signals generated by said second means.

11. Camera apparatus in accordance with claim 7 including an electric motor operable, when activated, to drive said shutter from said normally closed to an open condition and means for automatically driving said shutter closed after opening, said electric motor being controlled in its operation by said microelectronic computer in accordance with signals generated by said first means.

12. Camera apparatus in accordance with claim 6 including an electric battery supported by said camera housing a finger operated normally-open switch accessible to the exterior of said camera housing for connecting said battery to said first,second and third means when closed to permit said sensing means to sense camera movement and generate sensing signals. said second means to generate said control signals and siad third means to prevent the operation of said normally closed shutter in response to said control signals.

13. Camera apparatus in accordance with claim 6 including a warning lamp supported by said camera and viewable, when energized to emit light, to a person in the act of attempting to take a picture, and drive means for energizing said lamp in response to the generation of said control signals by said second means.

14. A method for controlling the operation of a camera comprising:

(a) sensing movement of a camera which is operable to receive light reflected from images to be recorded as still image information on a recording medium of said camera,

(b) generating electrical signals when movements of said camera are sensed, and

(c) applying said electrical signals to a control means which is operable in response thereto to prevent the operation of a shutter for said camera while said electrical signals are generated as a result of sensing camera movement.

15. A method for controlling the operation of a camera in accordance with claim 14 which includes applying manual force to an actuator of a switch supported by said camera to operate said switch in a manner to connect a source of electrical energy,such as a battery, to a sensing means for sensing said camera movement said means for generating said electrical signals and said control means to electrically energize same to permit said control means to prevent the operation of said camera while said sensing means senses camera movement and said control signals are generated.

16. A method for controlling the operation of a camera in accordance with claim 14 including also applying electrical signals generated when camera movements are sensed to drive a warning device to warn the operator of said camera that it is in motion and the camera cannot be operated to take a picture.

17. A method for controlling the operation of a camera in accordance with claim 14 wherein said electrical signals are applied to control the operation of a motor for operating said shutter.

18. A method for controlling the operation of a camera in accordance with claim 14 wherein said control signals are applied to control the operation of a motor for operating a means for mechanically preventing the operation of said shutter.

19. A method for controlling the operation of a camera in accordance with claim 14 wherein said electrical signals are also applied to a delay means for preventing the operation of said shutter if said electrical signals are not terminated in their generation by said sensing step after a select time interval of their generation.