US3223785A - Electronic telephone switching system - Google Patents

Electronic telephone switching system Download PDF

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Publication number
US3223785A
US3223785A US862812A US86281259A US3223785A US 3223785 A US3223785 A US 3223785A US 862812 A US862812 A US 862812A US 86281259 A US86281259 A US 86281259A US 3223785 A US3223785 A US 3223785A
Authority
US
United States
Prior art keywords
permanent memory
orders
memory
cathode
ray tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US862812A
Inventor
Willis A Budlong
Glen G Drew
John A Harr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Bell Telephone Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to US862812A priority Critical patent/US3223785A/en
Application granted granted Critical
Publication of US3223785A publication Critical patent/US3223785A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme

Claims (3)

  1. 3. IN A TELEPHONE SWITCHING SYSTEM IN COMBINATION A PLURALITY OF LINES, A PERMANENT MEMORY FOR STORING CONTROL PROGRAM SEQUENCES OF ORDERS, A TEMPORARY MEMORY FOR STORING CONTROL INFORMATION, COMMON CONTOL MEANS FOR CONTROLLING SAID SYSTEM, SAID PERMANENT MEMORY AND SAID TEMPORARY MEMORY IN RESPONSE TO INDIVIDUAL ORDERS RECEIVED FROM SAID PERMANENT MEMORY, MEANS RESPONSIVE TO EACH OF A PLURALITY OF ORDERS RECEIVED FROM SAID PERMANENT MEMORY FOR REGENERATING INFORMATION STORED IN SAID TEMPORARY MEMORY, AND OTHER MEANS RESPONSIVE TO ORDERS FOR CONTROLLING SAID TEMPORARY MEMORY FOR INTERRUPTING THE OPERATION OF SAID REGENERATIVE MEANS.
  2. 32. AN ELECTRONIC SWITCHING SYSTEM COMPRISING IN COMBINATION A PLURALITY OF LINES, A SWITCHING NETWORK CONNECTED THERETO, PERMANENT MEMORY FOR STORING SEQUENCES OF ORDERS FOR CONTROLLING SAID SYSTEM AND SAID NETWORK, COMMON CONTROL MEANS INCLUDING AN ORDER REGISTER FOR RECEIVING ORDERS FROM SAID PERMANENT MEMORY, PARITY CHECK MEANS FOR CHECKING ORDERS ENTERED UPON SAID ORDER WORD REGISTER, MEANS RESPONSIVE TO A PREVIOUS ORDER AND TO AN ODD PARITY CHECK SAID PARITY CHECK MEANS FOR REORDERING THE ORDER ENTERED ON SAID ORDER WORD REGISTER FROM SAID PERMANENT MEMORY.
  3. 39. AN ELECTRONIC TELEPHONE SWITCHING SYSTEM COMPRISING IN COMBINATION, A PERMANENT MEMORY FOR STORING SEQUENCES OF ORDERS FOR CONTROLLING SAID SYSTEM, COMMON CONTROL MEANS FOR SENDING CONTROL SIGNALS TO SAID PERMANENT MEMORY, A CATHODE-RAY TUBE INCLUDED IN SAID PERMANENT MEMORY, MEANS RESPONSIVE TO CONTROL SIGNALS RECEIVED THEREBY FOR CHANGING THE LOCATION OF THE BEAM IN SAID CATHODE-RAY TUBE, A TIMER CIRCUIT, MEANS OPERATING CONCURRENTLY WITH THE CHANGE IN DIRECTION OF THE BEAM IN SAID CATHODE-RAY TUBE FOR RESTORING SAID TIMER CIRCUIT TO ITS INITIAL CONDITION AND MEANS RESPONSIVE TO THE OPERATION OF SAID TIMING CIRCUIT FOR DIRECTING THE BEAM WITHIN SAID CATHODE-RAY TUBE TO A PREDETERMINED REST LOCATION.
US862812A 1959-12-30 1959-12-30 Electronic telephone switching system Expired - Lifetime US3223785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US862812A US3223785A (en) 1959-12-30 1959-12-30 Electronic telephone switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US862812A US3223785A (en) 1959-12-30 1959-12-30 Electronic telephone switching system

Publications (1)

Publication Number Publication Date
US3223785A true US3223785A (en) 1965-12-14

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Family Applications (1)

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US862812A Expired - Lifetime US3223785A (en) 1959-12-30 1959-12-30 Electronic telephone switching system

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317675A (en) * 1959-10-26 1967-05-02 Standard Telephones Cables Ltd Automatic telecommunication systems
US3483524A (en) * 1965-05-06 1969-12-09 Int Standard Electric Corp Programme switching systems
US3511937A (en) * 1965-08-30 1970-05-12 Ibm Free path finding device in a switching network
US3582896A (en) * 1965-01-22 1971-06-01 Bell Telephone Labor Inc Method of control for a data processor
US3818455A (en) * 1972-09-15 1974-06-18 Gte Automatic Electric Lab Inc Control complex for tsps telephone system
US4893795A (en) * 1988-08-15 1990-01-16 Peter J. Balsells Radially loaded canted coiled spring with turn angle
US4907788A (en) * 1988-04-25 1990-03-13 Peter J. Balsells Dual concentric canted-coil spring apparatus
US5134244A (en) * 1988-04-25 1992-07-28 Peter J. Balsells Electromagnetic shielding seal for rotary/reciprocating shaft
US20060215794A1 (en) * 2005-03-24 2006-09-28 Dell Products L.P. Minimizing non-deterministic noise by using wavelet transform
US20090306918A1 (en) * 2006-06-09 2009-12-10 Tempo Europe Limited Office Id Remote with Oscillating Circuit
CN107813776A (en) * 2016-09-14 2018-03-20 矢崎总业株式会社 Communication system
US11664184B2 (en) * 2019-07-09 2023-05-30 Varex Imaging Corporation Electron gun driver

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412467A (en) * 1942-04-30 1946-12-10 Rca Corp Electronic computer
GB763828A (en) * 1953-05-22 1956-12-19 Standard Telephones Cables Ltd Improvements in or relating to subscriber billing in automatic telecommunication exchange systems and the like
US2851534A (en) * 1951-04-06 1958-09-09 Int Standard Electric Corp Automatic telecommunication exchange system
US2857467A (en) * 1954-05-03 1958-10-21 Gen Telephone Lab Inc Alternative trunking in telephone systems controlled by overflow trunks and common directors
US2891113A (en) * 1956-01-24 1959-06-16 Siemens Edison Swan Ltd Automatic telephone exchange systems and the like
US2955165A (en) * 1957-10-07 1960-10-04 Bell Telephone Labor Inc Electronic telephone switching system
US3025351A (en) * 1951-05-23 1962-03-13 Int Standard Electric Corp Equipment for performing a complex sequence of operations
US3060273A (en) * 1959-11-25 1962-10-23 Bell Telephone Labor Inc Standby transfer control circuitry

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412467A (en) * 1942-04-30 1946-12-10 Rca Corp Electronic computer
US2851534A (en) * 1951-04-06 1958-09-09 Int Standard Electric Corp Automatic telecommunication exchange system
US3025351A (en) * 1951-05-23 1962-03-13 Int Standard Electric Corp Equipment for performing a complex sequence of operations
GB763828A (en) * 1953-05-22 1956-12-19 Standard Telephones Cables Ltd Improvements in or relating to subscriber billing in automatic telecommunication exchange systems and the like
US2857467A (en) * 1954-05-03 1958-10-21 Gen Telephone Lab Inc Alternative trunking in telephone systems controlled by overflow trunks and common directors
US2891113A (en) * 1956-01-24 1959-06-16 Siemens Edison Swan Ltd Automatic telephone exchange systems and the like
US2955165A (en) * 1957-10-07 1960-10-04 Bell Telephone Labor Inc Electronic telephone switching system
US3060273A (en) * 1959-11-25 1962-10-23 Bell Telephone Labor Inc Standby transfer control circuitry

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317675A (en) * 1959-10-26 1967-05-02 Standard Telephones Cables Ltd Automatic telecommunication systems
US3582896A (en) * 1965-01-22 1971-06-01 Bell Telephone Labor Inc Method of control for a data processor
US3483524A (en) * 1965-05-06 1969-12-09 Int Standard Electric Corp Programme switching systems
US3511937A (en) * 1965-08-30 1970-05-12 Ibm Free path finding device in a switching network
US3818455A (en) * 1972-09-15 1974-06-18 Gte Automatic Electric Lab Inc Control complex for tsps telephone system
US4907788A (en) * 1988-04-25 1990-03-13 Peter J. Balsells Dual concentric canted-coil spring apparatus
US5134244A (en) * 1988-04-25 1992-07-28 Peter J. Balsells Electromagnetic shielding seal for rotary/reciprocating shaft
US4893795A (en) * 1988-08-15 1990-01-16 Peter J. Balsells Radially loaded canted coiled spring with turn angle
US20060215794A1 (en) * 2005-03-24 2006-09-28 Dell Products L.P. Minimizing non-deterministic noise by using wavelet transform
US7577203B2 (en) * 2005-03-24 2009-08-18 Dell Products L.P. Minimizing non-deterministic noise by using wavelet transform
US20090306918A1 (en) * 2006-06-09 2009-12-10 Tempo Europe Limited Office Id Remote with Oscillating Circuit
CN107813776A (en) * 2016-09-14 2018-03-20 矢崎总业株式会社 Communication system
US10011239B2 (en) * 2016-09-14 2018-07-03 Yazaki Corporation Communication system
US11664184B2 (en) * 2019-07-09 2023-05-30 Varex Imaging Corporation Electron gun driver

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