Key input indicating system

Claim 2

A key input information indicating system comprising; a plurality of keys for entering individual key inputs upon the manual depression thereof in first and second key entry modes; a series of indicating elements for indicating the entered key input; a counter responsive to the key inputs for counting the number of the manual depressions of the keys, the outputs of the counter being indicative of the number of key inputs to be actually indicated; and a connection coupling the counter outputs with the indicating elements thereby inhibiting the indication of insignificant information in the series of the indicating elements; and detection circuit means connected between said keys and said counter for detecting whether a key depression is concerned with a first key entry mode or a second key entry mode.

Claim 3

A key input information indicating system as defined in claim 1 which further comprises a second detection circuit means connected between said keys and said counter for detecting whether a key depression is concerned with the numeral 0, the numerals 1 through 9, or a decimal point ..

Claim 4

A key input information indicaTing system as defined in claim 1 wherein said indicating element series is of the dynamic drive type and the outputs from said detection circuit means control the avoidance and allowance of the indication in the series of the indicating elements in dynamic fashion.

Claim 5

A key input information indicating system as defined in claim 1 which further comprises a register connected to said keys for storing the entered key inputs in a predetermined code notation.

Claim 6

A key input information indicating system as defined in claim 4 wherein the outputs from said detection circuit means control the timing of entry operation of the key inputs into said register.

Claim 7

A key input information indicating system as defined in claim 2, wherein said indicating element series is of the dynamic drive type and the outputs from the first said detection circuit means control the avoidance and allowance of the indication in the series of the indicating elements in dynamic fashion.

Claim 8

A key input information indicating system as defined in claim 2, which further comprises a register connected to said keys for storing the entered key inputs in a predetermined code notation.

Claim 9

A key input information indicating system as defined in claim 7, wherein the outputs from the first of said detection circuit means control the timing of entry operation of the key inputs into said register.

Claim 10

A key input information entry and indicating system comprising: a plurality of keys for entering, upon depression of each said key, an input signal associated therewith into said system; a storage register for storing the key input information entered therein in a predetermined code notation; a series of indicating elements for indicating the information entered into said system; counter means responsive to said key input signals for counting the number of depressions of said keys, said counter giving an output indicative of the number of significant key input signals required to be displayed; a connection coupling said output from said counter means to the indicating elements thereby inhibiting the indication of insignificant information in the series of the indicating elements; and a first detection circuit connected between said keys and said counter means and said storage register for detecting whether said key depression is in a first key entry mode of operation of said system or a second key entry mode thereof, the entry of a digit being placed into the most or least significant place in the storage register when in the first key entry mode and the entry of succeeding digits being placed into the corresponding places in said storage register other than said most or least significant place thereof when in the second key entry mode.

Claim 11

A key input information entry and indicating system comprising: a plurality of keys for entering, upon depression of each said key, an input signal associated therewith into said system; a storage register for storing the key input information entered therein in a predetermined code notation; a series of indicating elements for indicating the information entered into said system; counter means responsive to said key input signals for counting the number of depressions of said keys, said counter giving an output indicative of the number of significant key input signals required to be displayed; a connection coupling said output from said counter means to the indicating elements thereby inhibiting the indication of insignificant information in the series of the indicating elements; and a first detection circuit connected between said keys and said counter means and said storage register for detecting whether said key depression is in a first key entry mode of operation of said system or a second key entry mode thereof, the entry of a digit being placed into the most or least significant place in the storage register when in the first key entry mode and the entry of succeeding digits being placed into the corresponding places in said storage register other than said most or least significant place thereof when in the second key entry mode.

Claim 12

A key input information entry and indicating system as defined in claim 9. wherein said counter means counts the number of depressions of said keys in the form of binary signals 1 and 0, as said output indicative of the number of significant key input signals required to be displayed; and said first detection circuit causes the entry of a binary signal 1 into the most or least significant place in said counting means when in said first key entry mode and the entry of succeeding binary signals 1 into the places in said counter means corresponding to those of said storage register when in said second key entry mode.

Claim 13

A key input information entry and indicating system as defined in claim 9 further comprising: a second detection circuit connected between said keys and said counter means and said storage register for detecting whether the information entered into said system by depression of a given key is associated with a ZERO, a numeral from ONE to NINE or a decimal point.

Claim 14

A key input information entry and indicating system as defined in claim 10 further comprising: a second detection circuit connected between said keys and said counter means and said storage register for deteCting whether the information entered into said system by depression of a given key is associated with a ZERO, a numeral from ONE to NINE or a decimal point.

Claim 15

A key input information entry and indicating system comprising: a plurality of keys for entering, upon depression of each said key, an input signal associated therewith into said system; a storage register for storing the key input information entered therein in a predetermined code notation; a series of indicating elements for indicating the information entered into said system; counter means responsive to said key input signals for counting the number of depressions of said keys in the form of binary signals 1 and 0, said counter giving an output indicative of the number of significant key input signals required to be displayed; a connection coupling said output from said counter means to the indicating elements thereby inhibiting the indication of insignificant information in the series of the indicating elements; a first detection circuit connected to said keys for detecting whether said key depression is in a first key entry mode of operation of said system or a second key entry mode thereof; a second detection circuit connected to said keys for detecting whether the information entered into said system by depression of a given key is associated with a ZERO, a numeral from ONE to NINE or a decimal; and a logical unit connected to said first and said second detection circuits, said storage register and said counter means for clearing away previous contents of said storage register and said counter means and positioning the entry of a digit into the most or least significant place in said storage register and positioning the entry of a binary signal 1 into the most or least significant place in said counter means, when said system is in the first key entry mode and the information just entered into said system is not associated with a ZERO, and positioning the entry of succeeding digits into the corresponding places in said storage register other than said most or least significant place thereof and positioning the entry of succeeding binary signals 1 into the corresponding places in said counter means other than said most or least significant place thereof, when said system is in said second key entry mode and the information just entered into said system is not associated with a ZERO or the binary signal 1 has been previously entered into said counter means.

Claim 16

A key input information entry and indicating system comprising: a plurality of keys for entering, upon depression of each said key, an input signal associated therewith into said system; a storage register for storing the key input information entered therein in a predetermined code notation; a series of indicating elements for indicating the information entered into said system; counter means responsive to said key input signals for counting the number of depressions of said keys in the form of binary signals 1 and 0, said counter giving an output indicative of the number of significant key input signals required to be displayed; a connection coupling said output from said counter means to the indicating elements thereby inhibiting the indication of insignificant information in the series of the indicating elements; a first detection circuit connected to said keys for detecting whether said key depression is in a first key entry mode of operation of said system or a second key entry mode thereof; a second detection circuit connected to said keys for detecting whether the information entered into said system by depression of a given key is associated with a ZERO, a numeral from ONE to NINE or a decimal; and a logical unit connected to said first and said second detection circuits, said storage register and said counter means for clearing away previous contents of said storage register and said counter means and positioning the entry of a digit into the most or least significant place in said storage register and positioning the entry of a binary signal 1 into the most or least significant place in said counter means, when said system is in the first key entry mode and the information just entered into said system is not associated with a ZERO, and positioning the entry of succeeding digits into the corresponding places in said storage register other than said most or least significant place thereof and positioning the entry of succeeding binary signals 1 into the corresponding places in said counter means other than said most or least significant place thereof, when said system is in said second key entry mode and the information just entered into said system is not associated with a ZERO or the binary signal 1 has been previously entered into said counter means.