Automatic illumination switching device

• US H891 H
• Filed: 09/20/1989
• Issued: 02/05/1991
• Est. Priority Date: 09/20/1988
• Status: Abandoned Application

• Current Assignee: Kazuo Hashimoto
• Original Assignee: Kazuo Hashimoto
• Inventors: Hashimoto, Kazuo
• Primary Examiner(s): Wallace, Linda J.
• Application Number:
  US74/096,68
• Time in Patent Office: 503 Days
• Field of Search: 20006101, 200DIG20, 315084, 315120, 315360, 362802, 367197, 367199, 381041, 381046, 381110
• CPC Class Codes: H05B 47/12 by detecting audible sound
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

An automatic switching circuit controls operation of a light. The circuit includes a voice recognizer and a manual switch. The switching circuit turns the illuminator on instantly in response to an "ON" command input via the manual switch or via the voice recognizer. The switching circuit turns the illuminator off a predetermined period of time after detecting an "OFF" command input via said manual switch or via the voice recognizer.

Claims

1. An automatic illuminator switching circuit comprising:

a voice recognizer for detecting a spoken command to turn the illuminator on and a spoken command to turn the illuminator off;

an illuminator switch for turning an illuminator on and off;

wherein

said voice recognizer is connected to control said illuminator switch to turn the illuminator on instantly in response to the command to turn the illuminator on, and to turn the illuminator off a predetermined period of time after detecting the command to turn the illuminator off.

2. An automatic illuminator switching circuit as in claim 1 further comprising:

means to sustain an on state of said illuminator switch despite external noises.

3. An automatic illuminator switching circuit as in claim 2 wherein said means to sustain an on state of said illuminator switch comprises a flip-flop connected between said voice recognizer and said illuminator switch wherein said flip-flop is set by an output of the voice recognizer indicating detection of a spoken command to turn the illuminator on and is reset only at the predetermined time period after the voice recognizer detects a command to turn the illuminator off.

4. An automatic illuminator switching circuit as in claim 1 further comprising:

a preventing device preventing failure to turn off the illuminator after the predetermined period due to noises detected by the voice recognizer during the predetermined period.

5. An automatic illuminator switching circuit according to claim 4 wherein said preventing device comprises a flip-flop connected between the voice recognizer and the illuminator switch wherein said flip-flop is set by a signal from said voice recognizer indicating detection of a command to turn said illuminator off.

6. An automatic illuminator switching circuit comprising:

a voice recognizer for detecting a spoken command to turn the illuminator on and a spoken command to turn the illuminator off; and

an illuminator switch for turning the illuminator on and off;

manual switch means for inputting commands to turn the illuminator on and off; and

a control circuit responsive to commands received via said voice recognizer and said manual switch means to control said illuminator switch to turn the illuminator on instantly in response to a command to turn the illuminator on, and to turn the illuminator off a predetermined period of time after detecting a command to turn the illuminator off.

7. An automatic illuminator switching circuit as in claim 6, wherein said voice recognizer includes a memory storing voice data for recognition of ON and OFF commands spoken by a plurality of specific persons.

8. An automatic illuminator switching circuit as in claim 6, wherein said voice recognizer includes means to respond to ON and OFF commands spoken by anyone.

9. An automatically switched illuminator circuit comprising:

an illuminator in a room of a building;

a voice recognizer for detecting a spoken command to turn the illuminator on and a spoken command to turn said illuminator off; and

an illuminator switch for turning said illuminator on and off;

wherein

said voice recognizer is connected to control said illuminator switch to turn the illuminator on instantly in response to the command to turn the illuminator on, and to turn the illuminator off a predetermined period of time after detecting the command to turn the illuminator off.

10. An automatically switched illuminator circuit as in claim 9, further comprising means to sustain an on state of said illuminator switch despite external noises.

11. An automatically switched illuminator circuit as in claim 9 further comprising a preventing device which prevents failure to turn off the illuminator after the predetermined period due to noise detected by the voice recognizer during the predetermined period.

12. An automatically switched illuminator circuit as in claim 9 further comprising:

manual switch means for inputting commands to turn the illuminator on and off; and

a control circuit connected to control said illuminator switch to turn the illuminator on instantly in response to a command input via said manual switch means to turn the illuminator on, and to turn the illuminator off a predetermined period of time after detecting a command input via said manual switch means to turn the illuminator off.