Storage and display apparatus

• US 3,974,482 A
• Filed: 08/22/1974
• Issued: 08/10/1976
• Est. Priority Date: 08/22/1974
• Status: Expired due to Term

• Current Assignee: Igor Mitrofanovich Glyzdov, Jury Nikolaevich Kushelev, Mikhail Nikolaevich Sosenko, Valery Timofeevich Gavich, Verlen Nikolaevich Ermakov, Vladimir Nikolaevich Balashov, Vladimir Semenovich Dyatlov
• Original Assignee: Igor Mitrofanovich Glyzdov, Jury Nikolaevich Kushelev, Mikhail Nikolaevich Sosenko, Valery Timofeevich Gavich, Verlen Nikolaevich Ermakov, Vladimir Nikolaevich Balashov, Vladimir Semenovich Dyatlov
• Inventors: Glyzdov, Igor Mitrofanovich, Gavich, Valery Timofeevich, Dyatlov, Vladimir Semenovich, Kushelev, Jury Nikolaevich, Balashov, Vladimir Nikolaevich, Ermakov, Verlen Nikolaevich, Sosenko, Mikhail Nikolaevich
• Primary Examiner(s): Botz, Eugene G.
• Application Number:
  US05/499,848
• Time in Patent Office: 719 Days
• Field of Search: 35/8, 340/172.5
• US Class Current: 712/245
• CPC Class Codes: G09B 7/08 characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying further information

Abstract

Apparatus for presenting information held in locations of a storage and display device providing selection of locations along at least one selection coordinate comprises, according to the invention, an input unit, a control unit connected to the input unit, an instruction storage device connected to the control unit and including locations for holding instructions, each location of the instruction storage device corresponding to a location of the storage device and holding an instruction which is a binary number containing at least one additional address of the same location, with the number of additional location addresses equal to the number of location selection coordinates in the storage device. The apparatus comprises also a synchronizer connected with the instruction storage device and the storage device, a coincidence unit with the first inputs thereof electrically connected to the control unit, the second inputs connected to the output of the storage device, and the output of the coincidence unit connected to the instruction storage device, a selector whose inputs are connected to the outputs of the instruction storage device, and a switch the inputs of which are connected to corresponding outputs of the selector and the control inputs are coupled to the control unit.

Claims

1. Apparatus for presenting information stored in the locations of a storage and display device with a set number of selection coordinates which selects said locations along at least one of said selection coordinates, comprising an input unit for receiving an input signal in the form of a binary number;

a control unit connected to said input unit and intended for converting the binary code of the input instruction of said control unit into another binary number some bits of which form output instruction and the remaining bits making up a control instruction;

an instruction storage device connected to said control unit;

an input and an output of said instruction storage device;

locations of said instruction storage device for storing instructions;

each of said instructions being a binary number representing at least one address of said location with said instruction stored therein;

the number of addresses of said location of said instruction storage device is equal to the number of said selection coordinates in said storage and display device;

said instruction storage device which alternately selects said locations in an increasing order and connects said locations to said output of the instruction storage device as determined by said control instruction delivered from said control unit;

each said location of said instruction storage device corresponds to said location of said storage device;

a synchronizer connected to said instruction storage device and said storage device which synchronizes selection of said locations in said instruction storage device with selection of said locations of said storage device;

a coincidence unit used to compare said output instruction storage device, with the address of one of said locations of said instruction storage device;

upon coincidence of said addresses said coincidence unit generates a signal which goes to said instruction storage device and stops location selection therein;

inputs and output of the coincidence unit;

said first inputs of said coincidence unit are electrically connected to said control unit;

said second inputs of said coincidence unit are electrically connected to said output of said instruction storage device, while said output of said coincidence unit is connected to said instruction storage device;

each said location of said instruction storage device holds an instruction in the form of a binary number comprising at least one additional address of same said location;

the number of said additional addresses is equal to the number of said selection coordinates in said storage device;

said apparatus comprising also a selector intended for discriminating said addresses of each of said locations in said instruction storage device;

inputs and outputs of said selector;

said inputs of said selector are connected to said outputs of said instruction storage device;

said addresses of each of said locations in said instruction storage device are delivered to appropriate said outputs of said selector;

a switch which alternately connects said locations of said instruction device to said second inputs of said coincidence unit as determined by said control instruction delivered from said control unit;

inputs, control inputs and outputs of the switch;

said inputs of the switch are connected to appropriate said outputs of said selector;

said control inputs of said switch are connected to said control unit;

said outputs of the switch being connected to the coincidence unit;

the sequence of selection of said locations in said instruction storage device is also determined by said control instruction fed from said control unit.

2. Apparatus for presenting information as defined in claim 1 wherein said location of said instruction storage device holds a binary number which contains a control code and a reversal code intended for converting said input instruction of said control unit and generating a control instruction of the control unit;

said selector has at least one additional output connected to the control unit.

3. Apparatus for presenting information as defined in claim 1 in which said control unit has input buses and uses one AND circuit and a second AND circuit, and one second AND circuit and a third AND circuit, and one, a second, and a third OR circuits;

inputs and outputs of said AND or OR circuits;

said inputs of said AND circuits are interconnected;

each of said input buses of said control unit associated with one bit of said input instruction of said control unit is connected to said first inputs of corresponding said AND circuits said second inputs of said AND circuits are connected to said other input buses of said control unit representing one bit of a control code and one bit of a reversal code;

said output of said one AND circuit is connected to said input of said first OR circuit and with said input of said second OR circuit;

said output of said second AND circuit is connected to said other input of said first OR circuit and to said input of said third OR circuit;

the number of said first OR circuits and the number of said inputs of said second and third OR circuits are equal to the number of bits in the input instruction of said control unit;

said outputs of said first OR circuits serve as output buses of said control unit;

each of said output buses represents one bit of said output instruction of said control unit;

said outputs of said second and third OR circuits act as control outputs of said control unit corresponding to bits of said control instruction of said control unit.

4. Apparatus for presenting information as defined in claim 2 in which said control unit uses one AND circuit and a second AND circuit, and one, a second and a third OR circuits;

inputs and outputs of said AND and OR circuits;

said inputs of said AND circuits are interconnected;

each of said input buses of said control unit representing one bit of said input instruction of said control unit is connected to said interconnected first inputs of said corresponding AND circuits;

said second inputs of said AND circuits are connected to other said buses of said control unit which represent one bit of a control code and one bit of a reversal code;

said output of one AND circuit is connected to said input of said first OR circuit and with said input of said second OR circuit;

said output of said second AND circuit is connected to said other input of said first OR circuit and with said input of said third OR circuit;

the number of said first OR circuits and the number of said inputs of said second and third OR circuits are equal to the number of bits in the input instruction of said control unit;

said outputs of said first OR circuits act as output buses of said control unit;

each of said output buses represents one bit of said output instruction of said control unit;

said outputs of said second and third OR circuits serve as control outputs of said control unit representing bits of said control instruction of said control unit. circuit;

5. Apparatus for presenting information as defined in claim 4, wherein said control unit comprises additional AND circuits the number of which is equal to the number of bits in said input instruction of said control unit;

inputs and outputs of said additional AND circuits;

said first input of each of said additional AND circuits is connected to said output of one said AND circuit;

said second input of said additional AND circuit is connected to said output of said other AND circuits;

said outputs of said additional AND circuits are interconnected and form an output of said control unit corresponding to an additional bit in said control instruction of said control unit.

6. Apparatus for presenting information as defined in claim 1 comprising:

a function converter inputs and outputs of said function converter;

said inputs of said function converter receiving said output instruction of said control unit;

said function converter converting said output instruction into a code representing the address of one of said locations of said storage device;

said outputs of said function coverter are connected to said first inputs of said coincidence unit;

said inputs of said function converter are connected to said control unit.

7. Apparatus for presenting information as defined in claim 6 in which said function converter comprises a matrix converter;

inputs and outputs of the matrix converter;

said inputs of said matrix converter are connected to said control unit;

said matrix converter serves for linear conversion of said input instruction fed from said control unit;

apparatus comprises also an adder;

inputs and outputs of the adder;

said first inputs of said adder are connected to said outputs of said matrix converter;

a delay unit connected to said outputs of said adder;

said delay unit serves for storing the instruction delivered from said outputs of the adder;

a second matrix converter;

inputs and outputs of said second matrix converter;

said inputs of said second matrix converter are connected to said outputs of said delay unit;

said outputs of said second matrix converter are connected to said second inputs of said adder;

said matrix converter is intended for linear conversion of said instruction stored in said delay unit;

said outputs of said adder are connected to said first inputs of said coincidence unit.

8. Apparatus for presenting information as defined in claim 1 which comprises an output unit connected to an output device and said control unit, said output unit used for an exchange of instructions between said control unit and said external device.

9. Apparatus for presenting information as defined in claim 1 in which said output unit intended for an exchange of instructions between said external device and said instruction storage device, is connected to said instruction storage device.

10. Apparatus as defined in claim 8 in which said output unit serving for an exchange of instructions between said external device and said instruction storage device is connected to said instruction storage device.

11. Apparatus for presenting information as defined in claim 1 in which said output unit intended for an exchange of instructions between said function converter and said external device is connected to said function converter.

12. Apparatus as defined in claim 6 in which said output unit intended for an exchange of instructions between said function converter and said external device is connected to said function converter.

13. Apparatus as defined in claim 8 in which said output unit intended for an exchange of instructions between said function converter and said external device is connected to said function converter.