US2868884A - Toll switching telephone system - Google Patents

Toll switching telephone system Download PDF

Info

Publication number: US2868884A
Authority: US; United States
Prior art keywords: telephone system; switching telephone; toll switching; toll; telephone
Prior art date: 1952-05-06
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

US286267A

Inventor

John W Gooderham

Jacobitti Edward

Myers Oscar

Frank F Shipley

Walter B Strickler

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.)

1952-05-06

Filing date

1952-05-06

Publication date

1959-01-13

1952-05-06 Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc

1952-05-06 Priority to US286267A priority Critical patent/US2868884A/en

1959-01-13 Application granted granted Critical

1959-01-13 Publication of US2868884A publication Critical patent/US2868884A/en

1976-01-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)

US286267A 1952-05-06 1952-05-06 Toll switching telephone system Expired - Lifetime US2868884A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
US286267A US2868884A (en)	1952-05-06	1952-05-06	Toll switching telephone system

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US286267A US2868884A (en)	1952-05-06	1952-05-06	Toll switching telephone system

Publications (1)

Publication Number	Publication Date
US2868884A true US2868884A (en)	1959-01-13

Family

ID=23097816

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
US286267A Expired - Lifetime US2868884A (en)	1952-05-06	1952-05-06	Toll switching telephone system

Country Status (1)

Country	Link
US (1)	US2868884A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3025357A (en) *	1956-12-28	1962-03-13	Bell Telephone Labor Inc	Class translator circuits
US3231671A (en) *	1959-05-27	1966-01-25	North Electric Co	Automatic toll ticketing rate selector
DE1242717B (en) *	1960-07-13	1967-06-22	Western Electric Co	Circuit arrangement for fault display and registration in telecommunications switching systems
US4065643A (en) *	1976-11-17	1977-12-27	Bell Telephone Laboratories	Communication facility integrity checking arrangement

Citations (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1862549A (en) *	1931-06-11	1932-06-14	Bell Telephone Labor Inc	Telephone system
US2093667A (en) *	1935-07-11	1937-09-21	Bell Telephone Labor Inc	Pad control system
US2115801A (en) *	1937-01-29	1938-05-03	Bell Telephone Labor Inc	Line overflow recorder
US2183656A (en) *	1938-01-08	1939-12-19	Associated Electric Lab Inc	Automatic telephone system
US2339709A (en) *	1938-06-14	1944-01-18	Automatic Elect Lab	Telephone system
US2364445A (en) *	1943-12-30	1944-12-05	Bell Telephone Labor Inc	Telephone system
US2378541A (en) *	1942-10-22	1945-06-19	Bell Telephone Labor Inc	Traffic observing apparatus
US2416710A (en) *	1943-12-28	1947-03-04	Bell Telephone Labor Inc	Marker circuit for crossbar telephone systems
US2467490A (en) *	1944-04-01	1949-04-19	Automatic Elect Lab	Telephone connection between exchanges of the decimal step-by-step type and the nondecimal revertive impulse control type
US2490221A (en) *	1947-01-03	1949-12-06	Automatic Elect Lab	Automatic restricted service telephone system
US2508656A (en) *	1944-12-08	1950-05-23	Automatic Elect Lab	Interconnecting arrangement between telephone systems of the strowger and rotary revertive control types
US2516788A (en) *	1945-11-21	1950-07-25	Automatic Elect Lab	Telephone system
US2580709A (en) *	1947-11-14	1952-01-01	Automatic Elect Lab	Toll switching telephone system having automatic amplifier insertion and gain setting
US2580757A (en) *	1948-10-29	1952-01-01	Bell Telephone Labor Inc	Alarm sending circuit
US2597209A (en) *	1950-02-11	1952-05-20	Automatic Elect Lab	Telephone system
US2605965A (en) *	1950-05-15	1952-08-05	Shepherd Judson O'd	Data translator employing displaceable data cards
US2631195A (en) *	1949-01-29	1953-03-10	Automatic Elect Lab	Toll switching system
US2636947A (en) *	1949-12-16	1953-04-28	Bell Telephone Labor Inc	Two-way trunk for pulse conversion systems
US2651681A (en) *	1949-05-12	1953-09-08	Int Standard Electric Corp	Automatic switching system
US2694154A (en) *	1950-08-25	1954-11-09	Bell Telephone Labor Inc	Card translator optical system

1952
- 1952-05-06 US US286267A patent/US2868884A/en not_active Expired - Lifetime

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1862549A (en) *	1931-06-11	1932-06-14	Bell Telephone Labor Inc	Telephone system
US2093667A (en) *	1935-07-11	1937-09-21	Bell Telephone Labor Inc	Pad control system
US2115801A (en) *	1937-01-29	1938-05-03	Bell Telephone Labor Inc	Line overflow recorder
US2183656A (en) *	1938-01-08	1939-12-19	Associated Electric Lab Inc	Automatic telephone system
US2339709A (en) *	1938-06-14	1944-01-18	Automatic Elect Lab	Telephone system
US2378541A (en) *	1942-10-22	1945-06-19	Bell Telephone Labor Inc	Traffic observing apparatus
US2416710A (en) *	1943-12-28	1947-03-04	Bell Telephone Labor Inc	Marker circuit for crossbar telephone systems
US2364445A (en) *	1943-12-30	1944-12-05	Bell Telephone Labor Inc	Telephone system
US2467490A (en) *	1944-04-01	1949-04-19	Automatic Elect Lab	Telephone connection between exchanges of the decimal step-by-step type and the nondecimal revertive impulse control type
US2508656A (en) *	1944-12-08	1950-05-23	Automatic Elect Lab	Interconnecting arrangement between telephone systems of the strowger and rotary revertive control types
US2516788A (en) *	1945-11-21	1950-07-25	Automatic Elect Lab	Telephone system
US2490221A (en) *	1947-01-03	1949-12-06	Automatic Elect Lab	Automatic restricted service telephone system
US2580709A (en) *	1947-11-14	1952-01-01	Automatic Elect Lab	Toll switching telephone system having automatic amplifier insertion and gain setting
US2580757A (en) *	1948-10-29	1952-01-01	Bell Telephone Labor Inc	Alarm sending circuit
US2631195A (en) *	1949-01-29	1953-03-10	Automatic Elect Lab	Toll switching system
US2651681A (en) *	1949-05-12	1953-09-08	Int Standard Electric Corp	Automatic switching system
US2636947A (en) *	1949-12-16	1953-04-28	Bell Telephone Labor Inc	Two-way trunk for pulse conversion systems
US2597209A (en) *	1950-02-11	1952-05-20	Automatic Elect Lab	Telephone system
US2605965A (en) *	1950-05-15	1952-08-05	Shepherd Judson O'd	Data translator employing displaceable data cards
US2694154A (en) *	1950-08-25	1954-11-09	Bell Telephone Labor Inc	Card translator optical system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3025357A (en) *	1956-12-28	1962-03-13	Bell Telephone Labor Inc	Class translator circuits
US3231671A (en) *	1959-05-27	1966-01-25	North Electric Co	Automatic toll ticketing rate selector
DE1242717B (en) *	1960-07-13	1967-06-22	Western Electric Co	Circuit arrangement for fault display and registration in telecommunications switching systems
US4065643A (en) *	1976-11-17	1977-12-27	Bell Telephone Laboratories	Communication facility integrity checking arrangement

Publication	Publication Date	Title
CH331073A (en)	1958-06-30	Telecommunication system
US2868884A (en)	1959-01-13	Toll switching telephone system
CA496550A (en)	1953-09-29	Telephone switching system
CA496716A (en)	1953-10-06	Switchboard
CA507729A (en)	1954-11-30	Toll switching telephone systems
CA507730A (en)	1954-11-30	Toll switching telephone systems
CA482463A (en)	1952-04-15	Switching system
CA512084A (en)	1955-04-19	Multi-office toll switching telephone systems
AU168208B2 (en)	1952-05-08	Automatic toll ticketing telephone systems
CA484350A (en)	1952-06-24	Line switching device
IE20673L (en)	1953-08-20	Telephone cables
CA519764A (en)	1955-12-20	Toll switching system
IE22117L (en)	1953-02-04	Automatic telephone systems
AU159668B2 (en)	1953-06-04	Switching devices
CA489839A (en)	1953-01-20	Switchboard
CA494844A (en)	1953-07-28	Switching system
CA488054A (en)	1952-11-11	Telephone ringer
CA492259A (en)	1953-04-21	Telephone drop
CA518928A (en)	1955-11-29	Toll switching systems
CA485897A (en)	1952-08-19	Selective calling system
AU163783B2 (en)	1952-10-30	Telephone systems incorporating bank-position marking inthe switching stages
AU854352A (en)	1952-05-08	Automatic toll ticketing telephone systems
CA514091A (en)	1955-06-28	Telephone switchboard
CA493424A (en)	1953-06-02	Telephone system
CA493484A (en)	1953-06-09	Telephone system

US2868884A - Toll switching telephone system - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23097816

Family Applications (1)

Country Status (1)

Cited By (4)

Citations (20)

Patent Citations (20)

Cited By (4)

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