US2232371A - Telephone system - Google Patents

Telephone system Download PDF

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Publication number
US2232371A
US2232371A US240718A US24071838A US2232371A US 2232371 A US2232371 A US 2232371A US 240718 A US240718 A US 240718A US 24071838 A US24071838 A US 24071838A US 2232371 A US2232371 A US 2232371A
Authority
US
United States
Prior art keywords
telephone system
sheets
sheet
filed nov
dehn
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
US240718A
Inventor
Joseph W Dehn
Myers Oscar
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 US240718A priority Critical patent/US2232371A/en
Application granted granted Critical
Publication of US2232371A publication Critical patent/US2232371A/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
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Description

Feb. 18, 1941. J. w. DEHN Erm.
TELEPHONE SYSTEM Filed Nov. 16, 1938 57 Sheets-Sheet 1 .JwaeH/v INVENTORSOJMyE/q,5 @6M A 7' TOR/VE Y Feb. 18, 1941.
J. W. DEHN ETAL TELEPHONE SYSTEM Filed Nov. 16, 1938 37 Sheets-Sheet 2 Hub NN bbw NNN A 7' TORNE V Feb. 18, 1941.
J. w. DEHN Er M TELEPHONE SYSTEM Filed Nov. 16, 1938 57 Sheets-Sheet /N VEN TORS: )ZN 5y @m ATTORNEY Fb. 1s, 1941. J 'w DEHN ET M 2,232,371
TELEPHONE sYsTEu.
Filed Nov. 16, 1938 1 K 37 sheets-sheet 4 s/ascR/BERS L//vE AND GROUP co/vmoL c/Rcu/T @y @aw )4 TToR/VEV Feb. 18, L W DEHN ETAL TELEPHONE SYSTEM Filed Nov. 16, 1938 37 sheets-sheet 5 J. W DEHN @MYERS s arm /Nl/ENTORS.- BV' ATTORNEY 57 Sheets-Sheet 6 Feb. 18, 1941. .1.w. DEHN Erm.
TELEPHONE SYSTEM Filed Nov. 16, 1938 JWDEH/v /Nl/ENTORSO'MVERS ATTORNEY Feb 18, 1941- J. w. DEHN ETAL 2,232,371
TELEPHONE SYSTEM Filed Nov. 16, 1938 37 Sheets-Sheel '7 L/NE CHO/CE CONNECTOR C/RCU/T l .JWQEHN /NVENTORS-O'MVERS A TTORNFV Feb 18, 1 W DEHN El-AL TELEPHONE SYSTEM Filed Nov. 16, 1938 37 Sheets-Sheet B L INE CHO/C E CONNECTOR CIRCUIT A TTORNEV Feb. H8, 1941..
J. w. DEHN ETAL 2,232,371
TELEPHONE SYSTEM 37 Sheets-:Sheet 9 Filed Nov. 16, 1938 /NCOM/NG CONNECTOR C/RCU/T D". T0 n n:
E) TRAFFIC REG. ----zl T0 -'b-z INCOMING TRK. CCT.' z
To No.
CHECK/Nc TRK. :c7: :E
A TTOR/VEV Feb. 18, 1941. J. w.v DEI-:N x-:TAL
TELEPHONE SYSTEM Filed Nov. 16, 1938 57 sheets-sheet 1o m NSY .J. WDEHN /NVENTORSQ MM2-R5 Feb. 18, 1941. .1. w.v DEHN r-:TAL
' TELEPHONE SYSTEM Filed Nov. 16. 1938 37 Sheets-Sheet 11 NOM,
h Om." mdk N H5 EN W. .M Ma S R my NB w ATTORNEY Feb. 18, 941. J. w. lzn-:HN TAL TELEPHONE SYSTEM Filed Nov. 16, 19558 37 Sheets-Sheet 12 N N @NON @N Rl @NNN BVQM ATTORNEY Feb. 18, 1941. 1.w. DEHN Erm. v
TELEPHONE SYSTEM :57 sheets-sheet 13 Filed Nov. 16, 1958 J. W DE HN NI/@JOBS 0. M VERS ATTORNEY Feb. 18, 1941. J. w. DEHN r-:TAL
TELEPHONE SYSTEM- Filed Nov. 16, 1938 57 Sheets-Sheet 14 J. WDEHN By @aw ATTORNEY Feb. 18, 1941. J. w. DEHN Erm.
TELEPHONE SYSTEM 37 sheets-'sheet 15 Filed Nov. 16, 1958 NWS J. W DE HN /Nl/EBNYTORS, OMyERS A TTORNEV Feb. 1,8, 1941. J. w. DEHN verr AL.
TELEPHONE SYSTEM Filed Nov. 16. 1938 37 Sheets-Sheet 16 J. W DE HN /NVENTORSQ MVERS ATTORNEY TELEPHONE SYSTEM Filed Nov. 16, 1938 57 Sheets-Sheet 17 FIG/7 ATTORNEY Feb. 18, 1941. J. w. DEHN ETAL TELEPHONE SYS IEM Filed NOV. 16,; 1938 257 Sheets-Sheet 118 J. WDEHN By @'M ATTORNEY Feb. 18? 1941. 1 w DEHN TAL 2,232,371
TELEPHONE SYSTEM Filed Nov. 16, 1938 57 Sheets-Sheet 19 .Jw/JEH/v IN-VENTORSOMVERS Byw ATTORNEY Feb. 18, v 1 W DEI-1N EI'AL y TELEPHONE SYSTEM n Filed Nov. 1e, 1938 57 sheets-sheet 2o A T TORNEY
US240718A 1938-11-16 1938-11-16 Telephone system Expired - Lifetime US2232371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US240718A US2232371A (en) 1938-11-16 1938-11-16 Telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US240718A US2232371A (en) 1938-11-16 1938-11-16 Telephone system

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US2232371A true US2232371A (en) 1941-02-18

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ID=22907667

Family Applications (1)

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US240718A Expired - Lifetime US2232371A (en) 1938-11-16 1938-11-16 Telephone system

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603712A (en) * 1940-08-26 1952-07-15 Automatic Elect Lab Party line identification in automatic telephony
US2629016A (en) * 1942-06-27 1953-02-17 Bell Telephone Labor Inc Automatic toll-ticketing system
US2839611A (en) * 1955-03-24 1958-06-17 Itt Pbx line-hunting system
US2863948A (en) * 1957-04-19 1958-12-09 Gen Dynamics Corp Relay selector circuit
US2930853A (en) * 1957-08-13 1960-03-29 North Electric Co Distributor arrangement
US4204650A (en) * 1978-01-23 1980-05-27 Magnat Corp. Apparatus for replacing rotating mandrels on which a web is wound

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603712A (en) * 1940-08-26 1952-07-15 Automatic Elect Lab Party line identification in automatic telephony
US2629016A (en) * 1942-06-27 1953-02-17 Bell Telephone Labor Inc Automatic toll-ticketing system
US2839611A (en) * 1955-03-24 1958-06-17 Itt Pbx line-hunting system
US2863948A (en) * 1957-04-19 1958-12-09 Gen Dynamics Corp Relay selector circuit
US2930853A (en) * 1957-08-13 1960-03-29 North Electric Co Distributor arrangement
US4204650A (en) * 1978-01-23 1980-05-27 Magnat Corp. Apparatus for replacing rotating mandrels on which a web is wound

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