US2585904A - Crossbar telephone system - Google Patents
Crossbar telephone system Download PDFInfo
- Publication number
- US2585904A US2585904A US57394A US5739448A US2585904A US 2585904 A US2585904 A US 2585904A US 57394 A US57394 A US 57394A US 5739448 A US5739448 A US 5739448A US 2585904 A US2585904 A US 2585904A
- Authority
- US
- United States
- Prior art keywords
- telephone system
- crossbar telephone
- crossbar
- telephone
- 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
Links
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57394A US2585904A (en) | 1948-10-29 | 1948-10-29 | Crossbar telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57394A US2585904A (en) | 1948-10-29 | 1948-10-29 | Crossbar telephone system |
Publications (1)
Publication Number | Publication Date |
---|---|
US2585904A true US2585904A (en) | 1952-02-19 |
Family
ID=22010318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US57394A Expired - Lifetime US2585904A (en) | 1948-10-29 | 1948-10-29 | Crossbar telephone system |
Country Status (1)
Country | Link |
---|---|
US (1) | US2585904A (en) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2679552A (en) * | 1949-05-06 | 1954-05-25 | Ericsson Telefon Ab L M | Cross-bar switch system with several markers |
US2686838A (en) * | 1950-04-06 | 1954-08-17 | Bell Telephone Labor Inc | Translator |
US2735894A (en) * | 1951-04-11 | 1956-02-21 | gohorel | |
US2806088A (en) * | 1953-12-03 | 1957-09-10 | Bell Telephone Labor Inc | Communication system |
US2853552A (en) * | 1953-05-23 | 1958-09-23 | Nederlanden Staat | Trunking diagram for an automatic telecommunication system |
US2872527A (en) * | 1954-10-05 | 1959-02-03 | Int Standard Electric Corp | Automatic telecommunication exchanges |
US2873322A (en) * | 1953-12-30 | 1959-02-10 | Vigren Sten Daniel | Automatic service control system with fault recording |
US2876286A (en) * | 1953-09-10 | 1959-03-03 | Roelof M M Oberman | Arrangement for the identification of special service apparatus required for connections in a telecommunication system |
US2918533A (en) * | 1956-12-19 | 1959-12-22 | Itt | Register-translator crossbar telephone system |
US2955165A (en) * | 1957-10-07 | 1960-10-04 | Bell Telephone Labor Inc | Electronic telephone switching system |
US3007006A (en) * | 1956-01-27 | 1961-10-31 | North Electric Co | Automatic telephone system |
US3007008A (en) * | 1955-07-15 | 1961-10-31 | North Electric Co | Automatic telephone system |
US3008010A (en) * | 1954-12-22 | 1961-11-07 | Int Standard Electric Corp | Telephone systems |
US3036160A (en) * | 1958-08-18 | 1962-05-22 | Itt | Telephone connector system using controlling crossbar switch |
US3120581A (en) * | 1956-11-19 | 1964-02-04 | Bell Telephone Labor Inc | Electronic automatic telephone switching system |
US3127480A (en) * | 1960-09-09 | 1964-03-31 | Ericsson Telefon Ab L M | Automatic telephone system |
US3175043A (en) * | 1957-09-26 | 1965-03-23 | Siemens And Halske Ag Berlin A | Coupling field selection system |
DE1202348B (en) * | 1963-02-23 | 1965-10-07 | Standard Elektrik Lorenz Ag | Method for testing the connection wires in telecommunications switching systems, in particular telephone dialing systems |
US3257513A (en) * | 1963-01-22 | 1966-06-21 | Bell Telephone Labor Inc | Communications switching network |
US3378650A (en) * | 1964-10-15 | 1968-04-16 | Bell Telephone Labor Inc | Communication system signaling and testing equipment |
DE1274199B (en) * | 1962-03-06 | 1968-08-01 | Western Electric Co | Circuit arrangement for the automatic monitoring of the connection setup in a telephone switching system with several switching offices connected to one another in series via long-distance lines |
US3417206A (en) * | 1963-02-08 | 1968-12-17 | Hitachi Ltd | Crossbar switching system providing an increased number of possible paths to a selected registered group |
US3428947A (en) * | 1965-03-31 | 1969-02-18 | Bell Telephone Labor Inc | Scanning circuit for scanning all of a group of points if one point has a change of state |
US3505482A (en) * | 1965-10-08 | 1970-04-07 | Int Standard Electric Corp | Automatic telecommunication switching system |
US3519753A (en) * | 1965-06-24 | 1970-07-07 | Int Standard Electric Corp | Arrangement for controlling crosspoints to complete connecting paths in telephone exchange systems |
US3876885A (en) * | 1974-04-18 | 1975-04-08 | John Mason Catterall | Preference lockout circuit for common control switching system |
US3995117A (en) * | 1976-01-22 | 1976-11-30 | Western Electric Company, Inc. | Message billing arrangement for a communication system |
US4208553A (en) * | 1978-11-22 | 1980-06-17 | Bell Telephone Laboratories, Incorporated | Telephone office assignment verification |
US4415773A (en) * | 1981-10-29 | 1983-11-15 | Western Electric Company, Inc. | Methods of establishing a switching connection within a switching system |
US4744102A (en) * | 1986-01-27 | 1988-05-10 | Koster Frederick H | Crossbar line hunting arrangement |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2392089A (en) * | 1944-06-23 | 1946-01-01 | Bell Telephone Labor Inc | Switching system |
US2413708A (en) * | 1944-11-09 | 1947-01-07 | Bell Telephone Labor Inc | Telephone system |
-
1948
- 1948-10-29 US US57394A patent/US2585904A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2392089A (en) * | 1944-06-23 | 1946-01-01 | Bell Telephone Labor Inc | Switching system |
US2413708A (en) * | 1944-11-09 | 1947-01-07 | Bell Telephone Labor Inc | Telephone system |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2679552A (en) * | 1949-05-06 | 1954-05-25 | Ericsson Telefon Ab L M | Cross-bar switch system with several markers |
US2686838A (en) * | 1950-04-06 | 1954-08-17 | Bell Telephone Labor Inc | Translator |
US2761907A (en) * | 1951-04-11 | 1956-09-04 | Int Standard Electric Corp | Automatic telephone systems |
US2735894A (en) * | 1951-04-11 | 1956-02-21 | gohorel | |
US2853552A (en) * | 1953-05-23 | 1958-09-23 | Nederlanden Staat | Trunking diagram for an automatic telecommunication system |
US2876286A (en) * | 1953-09-10 | 1959-03-03 | Roelof M M Oberman | Arrangement for the identification of special service apparatus required for connections in a telecommunication system |
US2806088A (en) * | 1953-12-03 | 1957-09-10 | Bell Telephone Labor Inc | Communication system |
DE1098046B (en) * | 1953-12-03 | 1961-01-26 | Western Electric Co | Circuit arrangement for telephone systems with main and sub-offices |
US2873322A (en) * | 1953-12-30 | 1959-02-10 | Vigren Sten Daniel | Automatic service control system with fault recording |
US2872527A (en) * | 1954-10-05 | 1959-02-03 | Int Standard Electric Corp | Automatic telecommunication exchanges |
US3008010A (en) * | 1954-12-22 | 1961-11-07 | Int Standard Electric Corp | Telephone systems |
US3007008A (en) * | 1955-07-15 | 1961-10-31 | North Electric Co | Automatic telephone system |
US3007006A (en) * | 1956-01-27 | 1961-10-31 | North Electric Co | Automatic telephone system |
US3120581A (en) * | 1956-11-19 | 1964-02-04 | Bell Telephone Labor Inc | Electronic automatic telephone switching system |
US2918533A (en) * | 1956-12-19 | 1959-12-22 | Itt | Register-translator crossbar telephone system |
US3175043A (en) * | 1957-09-26 | 1965-03-23 | Siemens And Halske Ag Berlin A | Coupling field selection system |
US2955165A (en) * | 1957-10-07 | 1960-10-04 | Bell Telephone Labor Inc | Electronic telephone switching system |
US3036160A (en) * | 1958-08-18 | 1962-05-22 | Itt | Telephone connector system using controlling crossbar switch |
US3127480A (en) * | 1960-09-09 | 1964-03-31 | Ericsson Telefon Ab L M | Automatic telephone system |
DE1274199B (en) * | 1962-03-06 | 1968-08-01 | Western Electric Co | Circuit arrangement for the automatic monitoring of the connection setup in a telephone switching system with several switching offices connected to one another in series via long-distance lines |
US3257513A (en) * | 1963-01-22 | 1966-06-21 | Bell Telephone Labor Inc | Communications switching network |
US3417206A (en) * | 1963-02-08 | 1968-12-17 | Hitachi Ltd | Crossbar switching system providing an increased number of possible paths to a selected registered group |
DE1202348B (en) * | 1963-02-23 | 1965-10-07 | Standard Elektrik Lorenz Ag | Method for testing the connection wires in telecommunications switching systems, in particular telephone dialing systems |
US3378650A (en) * | 1964-10-15 | 1968-04-16 | Bell Telephone Labor Inc | Communication system signaling and testing equipment |
US3428947A (en) * | 1965-03-31 | 1969-02-18 | Bell Telephone Labor Inc | Scanning circuit for scanning all of a group of points if one point has a change of state |
US3519753A (en) * | 1965-06-24 | 1970-07-07 | Int Standard Electric Corp | Arrangement for controlling crosspoints to complete connecting paths in telephone exchange systems |
US3505482A (en) * | 1965-10-08 | 1970-04-07 | Int Standard Electric Corp | Automatic telecommunication switching system |
US3876885A (en) * | 1974-04-18 | 1975-04-08 | John Mason Catterall | Preference lockout circuit for common control switching system |
US3995117A (en) * | 1976-01-22 | 1976-11-30 | Western Electric Company, Inc. | Message billing arrangement for a communication system |
US4208553A (en) * | 1978-11-22 | 1980-06-17 | Bell Telephone Laboratories, Incorporated | Telephone office assignment verification |
US4415773A (en) * | 1981-10-29 | 1983-11-15 | Western Electric Company, Inc. | Methods of establishing a switching connection within a switching system |
US4744102A (en) * | 1986-01-27 | 1988-05-10 | Koster Frederick H | Crossbar line hunting arrangement |
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