Repertory dialer telephone set with register storage of the digits

Claim 2

A repertory dialer telephone set comprising, in combination, an array of station buttons on the face of said set each identifiable with visual indicia of a respective party whose number is to be recorded or called, a pushbutton dial including a plurality of digit buttons for translating each decimal digit dialed into an n-out-of-m code, a plurality of switches each operable in response to the depression of a corresponding one of said station buttons, a plurality of electronic circuit storage means each associated with a particular one of said switches, means for translating said n-out-of-m code employed in the operation of said dial into digital form on a digit-by-digit basis, means for temporarily storing each successive dialed digit in said digital form, means operative in the record mode for extracting a digit from said last-named means and entering said last-named digit in one of said circuit storage means, first means operative in the call mode for extracting digital indicia of a number stored in one of said circuit storage means and for entering said indicia serially on a digit-by-digit basis into said means for temporarily storing, second means operative in the call mode for extracting said last-named indicia in parallel form from said last-named means, means operative in the call mode for utilizing said last-named indicia for generating multifrequency dial signals in said n-out-of-m code, a dial tone detector, said first means being jointly responsive to an output signal from said detector, to the operation of one of said switches and to a telephone switchhook transfer, said first means including a clock pulse generating circuit, means for counting the pulse sequences generated by said generating circuit, said counting means developing output signals at periodic intervals during call mode operation, each of said circuit storage means being responsive to said last-named signals for reading out digital information to said means for temporarily storing.

Claim 3

A repertory dialer telephone set comprising, in combination, an array of visual display spaces for recording visual station indicia whose numbers are to be recorded or automatically called, a plurality of switches each operative in response to the depression of one of said spaces, a pushbutton dial for converting the decimal digit of an operated button into signal indicia in an n-out-of-m code, a plurality of electronic storage circuits each corresponding to and accessed by a respective one of said switches, a shift register for temporarily storing the digital indicia of a single decimal digit, means for converting said signal indicia in said n-out-of-m code into digital indicia and for entering said last-named indicia in parallel fashion into said shift register, means for extracting said last-named indicia from said shift register in serial form and storing said last-named indicia in a designated one of said storage circuits, means for extracting said last-named indicia from said last-named circuits in serial fashion and storing said last-named indicia in said shift register, means for extracting said last-named indicia from said shift register in parallel fashion and converting said last-named indicia into signal indicia in an n-out-of-m code, and means responsive to said last-named indicia for generating multifrequency dial signals, logic circuitry for controlling the sequence of operations of said set in both the call and record mode, said logic circuitry being in one of a plurality of intermediate states or conditions during the course of an operating sequence and in a home state or condition when ready for the start of a full record or call cycle, a reset button and corresponding switch, a record button and corresponding switch, a switchhook, and means responsive to the operation of said reset button or said record button or said switchhook for placing said set electronically in said home condition.

Claim 4

A repertory dialer telephone set comprising, in combination, an array of visual display spaces for recording visual station indicia whose numbers are to be recorded or automatically called, a plurality of switches each operative in response to the depression of one of said spaces, a pushbutton dial for converting the decimal digit of an operated button into signal indicia in an n-out-of-m code, a plurality of electronic storage circuits each corresponding to and accessed by a respective one of said switches, a shift register for temporarily storing the digital indicia of a single decimal digit, means for converting said signal indicia in said n-out-of-m code into digital indicia and for entering said last-named indicia in parallel fashion into said shift register, means for extracting said last-named indicia from said shift register in serial form and storing said last-named indicia in a designated one of said storage circuits, means for extracting said last-named indicia from said last-named circuits in serial fashion and storing said last-named indicia in said shift register, means for extracting said last-named indicia from said shift register in parallel fashion and converting said last-named indicia into signal indicia in an n-out-of-m code, and means responsive to said last-named indicia for generating multifrequency dial signals, logic circuitry for controlling the sequence of operations of said set in both the call and record mode, said logic circuitry being in one of a plurality of intermediate states or conditions during the course of an operating sequence and in a home state or condition when ready for the start of a full record or call cycle, a reset button and corresponding switch, a record button and corresponding switch, a switchhook, and means responsive to the operation of said reset button or said record button or said switchhook for placing said set electronically in said home condition.

Claim 5

A repertory dialer telephone set comprising, in combination, a plurality of memory circuits each including a respective shift register for storing digital indicia of a respective telephone number, first means including a like plurality of switches each operable manually from the face of said set for accessing a respective one of said memory circuits in either the record or call mode of operation, a pushbutton telephone dial, second means responsive to the operation of said dial with said set in a record mode of operation for storing in digital form the decimal digits of a dialed number in that one of said memory circuits identified by an operated one of said switches, and third means responsive to the operation of one of said switches with said set in a call mode of operation for automatically dialing out in multifrequency code form a telephone number extracted from that one of said memory circuits corresponding to said last-named switch, said second and third means including a Common shift register, said second means including means for translating signals from an n-out-of-m code generated by said dial into digital information and directing said information into a preselected one of said memory circuits by way of said shift register, said third means including means for translating information from binary form to n-out-of-m code form and means for transferring digital indicia stored in one of said memory circuits by way of said shift register and by way of said last-named translating means for the generation of multifrequency dial signals. spaces for recording visual station indicia whose numbers are to be recorded or automatically called, a plurality of switches each operative in response to the depression of one of said spaces, a pushbutton dial for converting the decimal digit of an operated button into signal indicia in an n-out-of-m code, a plurality of electronic storage circuits each corresponding to and accessed by a respective one of said switches, a shift register for temporarily storing the digital indicia of a single decimal digit, means for converting said signal indicia in said n-out-of-m code into digital indicia and for entering said last-named indicia in parallel fashion into said shift register, means for extracting said last-named indicia from said shift register in serial form and storing said last-named indicia in a designated one of said storage circuits, means for extracting said last-named indicia from said last-named circuits in serial fashion and storing said last-named indicia in said shift register, means for extracting said last-named indicia from said shift register in parallel fashion and converting said last-named indicia into signal indicia in an n-out-of-m code, and means responsive to said last-named indicia for generating multifrequency dial signals, logic circuitry for controlling the sequence of operations of said set in both the call and record mode, said logic circuitry being in one of a plurality of intermediate states or conditions during the course of an operating sequence and in a home state or condition when ready for the start of a full record or call cycle, a reset button and corresponding switch, a record button and corresponding switch, a switchhook, and means responsive to the operation of said reset button or said record button or said switchbook for placing said set electronically in said home condition.

Claim 6

A repertory dialer telephone set comprising, in combination, a plurality of memory circuits each including a respective shift register for storing digital indicia of a respective telephone number, first means including a like plurality of switches each operable manually from the face of said set for accessing a respective one of said memory circuits in either the record or call mode of operation, a pushbutton telephone dial, second means responsive to the operation of said dial with said set in a record mode of operation for storing in digital form the decimal digits of a dialed number in that one of said memory circuits identified by an operated one of said switches, and third means responsive to the operation of one of said switches with said set in a call mode of operation for automatically dialing out in multifrequency code form a telephone number extracted from that one of said memory circuits corresponding to said last-named switch, said second and third means including a Common shift register, said second means including means for translating signals from an n-out-of-m code generated by said dial into digital information and directing said information into a preselected one of said memory circuits by way of said shift register, said third means including means for translating information from binary form to n-out-of-m code form and means for transferring digital indicia stored in one of said memory circuits by way of said shift register and by way of said last-named translating means for the generation of multifrequency dial signals. spaces for recording visual station indicia whose numbers are to be recorded or automatically called, a plurality of switches each operative in response to the depression of one of said spaces, a pushbutton dial for converting the decimal digit of an operated button into signal indicia in an n-out-of-m code, a plurality of electronic storage circuits each corresponding to and accessed by a respective one of said switches, a shift register for temporarily storing the digital indicia of a single decimal digit, means for converting said signal indicia in said n-out-of-m code into digital indicia and for entering said last-named indicia in parallel fashion into said shift register, means for extracting said last-named indicia from said shift register in serial form and storing said last-named indicia in a designated one of said storage circuits, means for extracting said last-named indicia from said last-named circuits in serial fashion and storing said last-named indicia in said shift register, means for extracting said last-named indicia from said shift register in parallel fashion and converting said last-named indicia into signal indicia in an n-out-of-m code, and means responsive to said last-named indicia for generating multifrequency dial signals, logic circuitry for controlling the sequence of operations of said set in both the call and record mode, said logic circuitry being in one of a plurality of intermediate states or conditions during the course of an operating sequence and in a home state or condition when ready for the start of a full record or call cycle, a reset button and corresponding switch, a record button and corresponding switch, a switchhook, and means responsive to the operation of said reset button or said record button or said switchbook for placing said set electronically in said home condition.

Claim 7

A repertory dialer telephone set comprising, in combination, a plurality of memory circuits each including a like plurality of switches each operable manually from the face of said set for accessing a respective one of said memory circuits in either the record or call mode of operation, a pushbutton telephone dial, second means responsive to the operation of said dial with said set in a record mode of operation for storing in digital form the decimal digits of a dialed number in that one of said memory circuits identified by an operated one of said switches, and third means responsive to the operation of one of said switches with said set in a call mode of operation for automatically dialing out in multifrequency code form a telephone number extracted from that one of said memory circuits corresponding to said last-named switch, said second and third means including a common shift register, said second means including means for translating signals from an n-out-of-m code generated by said dial into digital information and directing said information into a preselected one of said memory circuits by way of said shift register, said third means including means for translating information from binary form to n-out-of-m code form and means for transferring digital indicia stored in one of said memory circuits by way of sqid shift register and by way of said last-named translating means for the generation of multifrequency dial signals.

Claim 8

A repertory dialer telephone set comprising, in combination, a plurality of memory circuits each including a like plurality of switches each operable manually from the face of said set for accessing a respective one of said memory circuits in either the record or call mode of operation, a pushbutton telephone dial, second means responsive to the operation of said dial with said set in a record mode of operation for storing in digital form the decimal digits of a dialed number in that one of said memory circuits identified by an operated one of said switches, and third means responsive to the operation of one of said switches with said set in a call mode of operation for automatically dialing out in multifrequency code form a telephone number extracted from that one of said memory circuits corresponding to said last-named switch, said second and third means including a common shift register, said second means including means for translating signals from an n-out-of-m code generated by said dial into digital information and directing said information into a preselected one of said memory circuits by way of said shift register, said third means including means for translating information from binary form to n-out-of-m code form and means for transferring digital indicia stored in one of said memory circuits by way of sqid shift register and by way of said last-named translating means for the generation of multifrequency dial signals.