US2232371A - Telephone system - Google Patents
Telephone system Download PDFInfo
- 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
Links
Images
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)
- Sheets, Magazines, And Separation Thereof (AREA)
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
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2232371A true US2232371A (en) | 1941-02-18 |
Family
ID=22907667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US240718A Expired - Lifetime US2232371A (en) | 1938-11-16 | 1938-11-16 | Telephone system |
Country Status (1)
Country | Link |
---|---|
US (1) | US2232371A (en) |
Cited By (6)
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 |
-
1938
- 1938-11-16 US US240718A patent/US2232371A/en not_active Expired - Lifetime
Cited By (6)
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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