Control apparatus

• US 4,398,193 A
• Filed: 02/12/1981
• Issued: 08/09/1983
• Est. Priority Date: 02/14/1980
• Status: Expired due to Term

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Okada, Takashi, Kuniyoshi, Yasunobu
• Primary Examiner(s): YUSKO, DONALD
• Application Number:
  US06/233,987
• Time in Patent Office: 908 Days
• Field of Search: 340/168 S, 340/168 B, 340/825.76, 358/194.1, 358/191.1, 455/186
• US Class Current: 348/734
• CPC Class Codes: H03J 1/0008 using a central processing unit, e.g. a microprocessor digital tuning in general H03J5/0245
• CPC Class Codes: H04N 17/04 for receivers

Abstract

A control apparatus for controlling a plurality of characteristics, such as hue, color, brightness, sound and the like, of a reproduced video picture includes a transmitter having a memory for storing data entries corresponding to the characteristics to be controlled, a central processing unit to change selected ones of the stored data entries and a plurality of switches for controlling the central processing unit to change selected ones of the stored data entries in response to actuation of selected ones of the switches, whereby the transmitter transmits the stored data entries, as changed; a receiver including a shift register in which the transmitted control data entries are serially received and converted into parallel control data entries, a D-A converter for producing a plurality of analog control voltages in response to the parallel control data entries from the shift register; and a plurality of voltage-controlled circuits for controlling the plurality of characteristics in response to the plurality of analog control voltages.

Claims

1. A control apparatus for controlling a plurality of functions, comprising:

first storage means for storing a plurality of control data entries;

a plurality of control switch means;

control data changing means for changing each control data entry in said first storage means in response to the status of said plurality of control switch means;

test switch means for varying the amount of change of each control data entry by said control data changing means;

control data transmitting means for serially transmitting control signals corresponding to said plurality of control data entries in said first storage means;

second storage means;

control data receiving means for receiving said serially-transmitted control signals and storing said received control signals in said second storage means;

a plurality of digital-to-analog converting means for generating a plurality of analog control voltages corresponding to said plurality of control data entries, in response to said control signals stored in said second storage means; and

a plurality of voltage-controlled means for controlling said plurality of functions in response to said plurality of analog control voltages from said plurality of digital-to-analog converting means, respectively.

2. A control apparatus for controlling a plurality of functions, comprising:

first storage means for storing a plurality of control data entries;

a plurality of control switch means;

control data changing means for changing each control data entry in said first storage means in response to the status of said plurality of control switch means;

mode switch means for controlling said control data changing means to vary the functions to be controlled;

control data transmitting means for serially transmitting control signals corresponding to said plurality of control data entries in said first storage means;

second storage means;

control data receiving means for receiving said serially-transmitted control signals and storing said received control signals in said second storage means;

a plurality of digital-to-analog converting means for generating a plurality of analog control voltages corresponding to said plurality of control data entries, in response to said control signals stored in said second storage means; and

a plurality of voltage-controlled menas for controlling said plurality of functions in response to said plurality of analog control voltages from said plurality of digital-to-analog converting means, respectively.

3. A control apparatus for controlling a plurality of functions, comprising:

first storage means for storing a plurality of control data entries;

a plurality of control switch means;

control data changing means for changing each control data entry in said first storage means in response to the status of said plurality of control switch means;

control data transmitting means for serially transmitting control signals corresponding to said plurality of control data entries in said first storage means, and wherein signals corresponding to at least one of a guide and latch data entry are added to said serially-transmitted control signals;

second storage means including a plurality of latch circuits;

control data receiving means for receiving said serially-transmitted control signals and storing said received control signals in said second storage means, said control data receiving means including a shift register for receiving said serially-transmitted control signals;

gate means for transferring said control signals from said shift register to said plurality of latch circuits only when said signals corresponding to at least one of said guide and latch data entry are at a predetermined state;

a plurality of digital-to-analog converting means for generating a plurality of analog control voltages corresponding to said plurality of control data entries, in response to said control signals stored in said second storage means; and

a plurality of voltage-controlled means for controlling said plurality of functions in response to said plurality of analog control voltages from said plurality of digital-to-analog converting means, respectively.

4. A control apparatus for controlling a plurality of functions, comprising:

first storage means for storing a plurality of control data entries;

a plurality of control switch means including preset switch means;

control data changing means for changing each control data entry in said first storage means in response to the status of said plurality of control switch means and for presetting said plurality of control data entries to predetermined values when said preset switch means is actuated;

control data transmitting means for serially transmitting control signals corresponding to said plurality of control data entries in said first storage means;

second storage means;

control data receiving means for receiving said serially-transmitted control signals and storing said received control signals in said second storage means;

a plurality of digital-to-analog converting means for generating a plurality of analog control voltages corresponding to said plurality of control data entries, in response to said control signals stored in said second storage means; and

a plurality of voltage-controlled means for controlling said plurality of functions in response to said plurality of analog control voltages from said plurality of digital-to-analog converting means, respectively.

5. A control apparatus for controlling a plurality of functions, comprising:

first storage means for storing a plurality of control data entries;

a plurality of control switch means;

a control data changing means for changing each control data entry in said first storage means in response to the status of a plurality of control switch means;

control data transmitting means for serially transmitting control signals corresponding to said plurality of control data entries in said first storage means, and wherein signals corresponding to at least one of a guide and latch data entry are added to said serially-transmitted control signals;

second storage means;

control data receiving means for receiving said serially-transmitted control signals and storing said received control signals in said second storage means;

gate means for transferring said control signals from said contol data receiving means to said second storage means only when said signals corresponding to at least one of said guide and latch data entry are at a predetermined state;

a plurality of digital-to-analog converting means for generating a plurality of analog control voltages corresponding to said plurality of control data entries, in response to said control signals stored in said second storage means; and

a plurality of voltage-controlled means for controlling said plurality of functions in response to said plurality of analog control voltages from said plurality of digital-to-analog converting means, respectively.

6. A control apparatus according to claim 5;

wherein said plurality of functions to be controlled correspond to a plurality of characteristics of a reproduced video picture.

7. A control apparatus according to claim 6;

wherein said plurality of characteristics include sound volume, hue, color, picture, tone, brightness, and sharpness.

8. A control apparatus according to claim 5;

wherein said first storage means includes a non-volatile memory and said control data changing means includes central processing means for changing the data stored at respective entries in said non-volatile memory in response to actuation of selected ones of said control switch means.