GB613617A - Improvements in or relating to automatic telephone exchange equipment - Google Patents

Improvements in or relating to automatic telephone exchange equipment

Info

Publication number
GB613617A
GB613617A GB18558/??A GB1855846A GB613617A GB 613617 A GB613617 A GB 613617A GB 1855846 A GB1855846 A GB 1855846A GB 613617 A GB613617 A GB 613617A
Authority
GB
United Kingdom
Prior art keywords
pulses
line
calling
over
positive
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
Application number
GB18558/??A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority claimed from GB29654/46A external-priority patent/GB632376A/en
Priority to ES0178557A priority Critical patent/ES178557A1/es
Publication of GB613617A publication Critical patent/GB613617A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Particle Accelerators (AREA)
  • Burglar Alarm Systems (AREA)
GB18558/??A 1946-06-20 1946-06-20 Improvements in or relating to automatic telephone exchange equipment Expired GB613617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0178557A ES178557A1 (es) 1946-06-20 1947-06-20 PERFECCIONAMIENTOS EN LOS SISTEMAS DE TELEFONIA AUTOMáTICA

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB277494X 1946-06-20
GB29654/46A GB632376A (en) 1946-06-20 1946-10-04 Improvements in or relating to electric pulse systems

Publications (1)

Publication Number Publication Date
GB613617A true GB613617A (en) 1948-12-01

Family

ID=32232477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18558/??A Expired GB613617A (en) 1946-06-20 1946-06-20 Improvements in or relating to automatic telephone exchange equipment

Country Status (6)

Country Link
US (2) US2553605A (US06623731-20030923-C00052.png)
CH (2) CH277494A (US06623731-20030923-C00052.png)
DE (1) DE920913C (US06623731-20030923-C00052.png)
FR (2) FR58558E (US06623731-20030923-C00052.png)
GB (1) GB613617A (US06623731-20030923-C00052.png)
NL (2) NL76006C (US06623731-20030923-C00052.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666809A (en) * 1947-10-27 1954-01-19 Flowers Thomas Harold Electrical switching system
US2773934A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic telephone system

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616978A (en) * 1948-04-20 1952-11-04 Hartford Nat Bank & Trust Co Cathode-ray type selector switch circuit
BE496495A (US06623731-20030923-C00052.png) * 1949-06-21
NL154404B (nl) * 1949-06-24 Gen Foods Corp Werkwijze voor het bereiden van met aceetaldehyde gearomatiseerde saccharose.
BE497953A (US06623731-20030923-C00052.png) * 1949-09-06
NL163817B (nl) * 1949-10-26 Huels Chemische Werke Ag Werkwijze ter bereiding van preparaten die polybuteen-1 en een vulstof bevatten.
US2773937A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic signaling and switching system
US2774071A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Coincidence finding circuit
BE504291A (US06623731-20030923-C00052.png) * 1950-06-29
US2765367A (en) * 1950-12-27 1956-10-02 John H Homrighous Time division multiplex multi-station per line telephone system
US2773935A (en) * 1951-01-12 1956-12-11 Gen Dynamics Corp Electronic telephone system
BE510260A (US06623731-20030923-C00052.png) * 1951-03-28
US2773936A (en) * 1951-08-10 1956-12-11 Gen Dynamics Corp Automatic telephone system
US2857463A (en) * 1951-11-23 1958-10-21 Gen Dynamics Corp Telephone system
US2889406A (en) * 1953-02-11 1959-06-02 Gen Dynamics Corp Telephone system
US2848544A (en) * 1954-04-23 1958-08-19 Gen Dynamics Corp Electronic switching means
US2827516A (en) * 1954-04-23 1958-03-18 Gen Dynamics Corp Electronic switching means
US3241020A (en) * 1961-07-31 1966-03-15 American Mach & Foundry Single channel programmed tape motor control for machine tools

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036350A (en) * 1932-04-16 1936-04-07 Montani Angelo System for multiple transmission and reception
GB470495A (en) * 1935-11-14 1937-08-16 Alan Dower Blumlein Improvements in or relating to multiplex signalling systems
US2185693A (en) * 1938-02-25 1940-01-02 Bell Telephone Labor Inc Multiplex signaling system
US2204055A (en) * 1938-11-25 1940-06-11 Bell Telephone Labor Inc Telephone system
US2263369A (en) * 1939-02-03 1941-11-18 Hartford Nat Bank & Trust Co Multiplex telephony system
NL57724C (US06623731-20030923-C00052.png) * 1939-07-24
US2355334A (en) * 1942-03-10 1944-08-08 Gen Railway Signal Co Coded track circuit signaling system
US2387018A (en) * 1942-08-05 1945-10-16 Bell Lab Inc Communication system
US2426216A (en) * 1942-10-19 1947-08-26 Bell Telephone Labor Inc Aperiodic pulse timing system
US2414477A (en) * 1943-10-05 1947-01-21 Bell Telephone Labor Inc Indicating apparatus
US2422205A (en) * 1943-10-05 1947-06-17 Bell Telephone Labor Inc Range indicator
US2433667A (en) * 1943-12-29 1947-12-30 Gen Electric Time measuring apparatus
US2406165A (en) * 1944-07-01 1946-08-20 Rca Corp Communication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666809A (en) * 1947-10-27 1954-01-19 Flowers Thomas Harold Electrical switching system
US2773934A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic telephone system

Also Published As

Publication number Publication date
US2553605A (en) 1951-05-22
CH277494A (de) 1951-08-31
FR58558E (fr) 1954-01-27
DE920913C (de) 1955-01-31
NL76006C (US06623731-20030923-C00052.png)
NL78385C (US06623731-20030923-C00052.png)
CH300213A (fr) 1954-07-15
US2512680A (en) 1950-06-27
FR962117A (US06623731-20030923-C00052.png) 1950-06-02

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