US2348680A - Switching system - Google Patents

Switching system Download PDF

Info

Publication number
US2348680A
US2348680A US441056A US44105642A US2348680A US 2348680 A US2348680 A US 2348680A US 441056 A US441056 A US 441056A US 44105642 A US44105642 A US 44105642A US 2348680 A US2348680 A US 2348680A
Authority
US
United States
Prior art keywords
switching system
sheets
sheet
hanson
filed april
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
US441056A
Inventor
Frederick E Hanson
Robert K Smith
John H Sulzer
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
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to US441056A priority Critical patent/US2348680A/en
Application granted granted Critical
Publication of US2348680A publication Critical patent/US2348680A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring

Definitions

  • PIP/MARI SUB-GROUP 8 HQ/HARV .Sl/qt- GROUP 9 Filed April 29, 1942 66 Sheets-Sheet 19 F 'in luumlm;

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Laminated Bodies (AREA)

Description

May 9, 1944,
F. E. HANSON ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 1 PWER 7' ERM/NAT /ON .SELECT/N6 MEANS /NVE'NTORS FE. HANSON 'By RKSM/TH J. H. SUL ZER A 7' TORNEY May 9, 1944.
F. E. HANSON ETAL swITCHING SYSTEM Fi'led April 29, 1942 FIGA? 66 Sheets-Sheet 2 T0 STOPMAGNL'T NORMAL ADVANC/NG GRND. FROM START CCT :il-mausi.: pmol/7 c/Rcu/r ATrEAWSM CT'ION RELAY /NVE/VTORS.' FEHANSON R. KSM/TH BV JHSULZE'R ATTORNEY May 9, 1944. F. EJHANSON ETAL 2,348,680
SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 5 UNIT A UNIT D J. H. SULZER ATTORNEY May 9, 1944. F. E. HANsoN ETAL 27,348,680
SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 4 CHAIN .SIGNAL RILAr 49 F/G. 7 gfrowmw mnoucualsnnrmns SLOW /NTRRUPTED GRUUND CHAIN T0 POINT N APPARATUS UNM/P TES T RN/fRA/RAIDSF IYDYH BBYCCTOYA HANSON /NVENTORS K. SMITH @y H 504 zE/a AT TORNEV May 9, 1944. F. E. HANsoN ErAL SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 7 F. H. HANSON /NVENTOSS R. K. SMITH lll A7' TORNEV May-9, 1944. F. E. HANsoN ETAL swmcmNG SYSTEM Filed April 29, 1942 66 Shee'cs-Shee'rI 8 EEHANSON /NVENTORSI RKSM/ TH J.H.$ULZE`R l i., l l
ATTORNEY May 9, 1944. F. E. HANsoN. ETAL SWITCHING SYSTEM Filed April 29,` 1942 66 Sheets-Sheet 9 E ...um
May 9, 1944. F. E. HANsoN ETAL 2,348,680
SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 10 Ps H /40 AT TORNEV May 9, 1944. F. E. HANSON ETAL. 2,348,680
SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 1l FEHANSON /NVEN7URSI RKSM/ 7'H BP, J.H.$ULZER l i l Arron/ver May 9, 1944., F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 12 ATTORNEY May 9, 1944. F. vE. HANsoN ETAL 2,348,680
SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 13 Q Y `I l E S Q5 lL B E l g s L Il D# l.: III
III
I l l l I Il II -1 ll ll j ::l Y
i Il
A TTOR/VEV May 9, 1944. F. E. HANsoN ETAL. 2,348,680
SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 14 o/sPLAr /NVEA/mns.-
A 7' TORNEV May 9, 1944. F. E. HANsoN x-:rAL 2,348,680
SWITCHING SYSTEM Filed April 29, 1942 se sheets-sheet 15 /A/VENTORS.' EE. HANSON @y A. K. SMITH J H. SUL ZER Arrow/5y May 9, 1944. F. E. HANsoN ETAL 2,348,680
SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 16 TENS F IG. 2/
By RKSM/Th' JHSULZER AT TOR/VE? May 9, 1944. F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 17 NN .l
EEHANS INI/ENTORS.' R. KSM/ T J.H.$ULZER A 7` TORNE Y May 9, 1944. F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 18 EE. RK. y J.H.$ULZER /N VE' N TORS ATTQRNEV May 9, 1944.
PIP/MARI: SUB-GROUP 8 HQ/HARV .Sl/qt- GROUP 9 Filed April 29, 1942 66 Sheets-Sheet 19 F 'in luumlm;
U unjulnlu '1:1
VERT
ATTORNEY May 9 1944. F. E. HANSQN HAL 2,348,680
SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 2O L rml I ATTOHNEV
US441056A 1942-04-29 1942-04-29 Switching system Expired - Lifetime US2348680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US441056A US2348680A (en) 1942-04-29 1942-04-29 Switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441056A US2348680A (en) 1942-04-29 1942-04-29 Switching system

Publications (1)

Publication Number Publication Date
US2348680A true US2348680A (en) 1944-05-09

Family

ID=23751325

Family Applications (1)

Application Number Title Priority Date Filing Date
US441056A Expired - Lifetime US2348680A (en) 1942-04-29 1942-04-29 Switching system

Country Status (1)

Country Link
US (1) US2348680A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974305A (en) * 1955-11-14 1961-03-07 Zenith Radio Corp Subscription television computer
US3175188A (en) * 1960-04-20 1965-03-23 Itt Programmed machine-tool system
US3184713A (en) * 1960-11-08 1965-05-18 Adrian W Standaart Changeable storage device for storing program representing patterns of connections
US3219927A (en) * 1958-09-15 1965-11-23 North American Aviation Inc Automatic functional test equipment utilizing digital programmed storage means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974305A (en) * 1955-11-14 1961-03-07 Zenith Radio Corp Subscription television computer
US3219927A (en) * 1958-09-15 1965-11-23 North American Aviation Inc Automatic functional test equipment utilizing digital programmed storage means
US3175188A (en) * 1960-04-20 1965-03-23 Itt Programmed machine-tool system
US3184713A (en) * 1960-11-08 1965-05-18 Adrian W Standaart Changeable storage device for storing program representing patterns of connections

Similar Documents

Publication Publication Date Title
US2385968A (en) Telephone exchange system
US2348680A (en) Switching system
US2486722A (en) Automatic toll-ticketing telephone system
GB692412A (en) Improvements in or relating to telecommunication exchange systems
US2265844A (en) Calling line identification circuit
US2760005A (en) Telephone call originator
US2867690A (en) Auxiliary sender circuit
USRE22441E (en) Telephone system
US2695928A (en) Calling line identification
US2721910A (en) Routine line insulation testing circuit
US1563738A (en) Registering device
US3135862A (en) Digital target information transmission system with parallax correction
US2803706A (en) Trunk circuit
US1601052A (en) Telephone-exchange system
US2358267A (en) Telephone system
US1916760A (en) Telephone exchange system
US3048662A (en) Pabx switching system
US2187784A (en) Telephone system
US2347107A (en) Switching system
US2421034A (en) Telephone system
US1553327A (en) Telephone-exchange system
US2594923A (en) Call data recording telephone system
US2321053A (en) Telephone system employing phonographs
US2555245A (en) Telephone line marking system
US2277600A (en) Telephone system