US2291497A - Telephone system - Google Patents

Telephone system Download PDF

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Publication number
US2291497A
US2291497A US370391A US37039140A US2291497A US 2291497 A US2291497 A US 2291497A US 370391 A US370391 A US 370391A US 37039140 A US37039140 A US 37039140A US 2291497 A US2291497 A US 2291497A
Authority
US
United States
Prior art keywords
telephone system
filed feb
sheet
july
sheets
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
US370391A
Inventor
Harry N Newstedt
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric 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
Priority claimed from US316748A external-priority patent/US2291496A/en
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Priority to US370391A priority Critical patent/US2291497A/en
Application granted granted Critical
Publication of US2291497A publication Critical patent/US2291497A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

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  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Description

July 28, 1942.
H. N. NEwSTED-r v TELEPHONE SYSTEM original Filed Feb. 1, 1940 20 Sheets-Sheet l MM TTORNEYS July 28, 1942 H. N. Nr-:wsTED'r 2,291,497
TELEPHONE SYSTEM Original Filed Feb. l, 1940 ZOZSBeetS-Sheet 2 Fig-1S.
Fig. 9 Hg. l2 Flg I3.
' INVENTOR Hgrry M Newsed B- ATTORNEYS July 28, 1942. H. N. NEwsTED-rv TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 Sheets-Sheet 3 ,f l0 Y) 3 X @D @302, X R360 I RA352 h y :TY HNDER "H'l'l[ xz gx SWITCH Raam; f I C303/ Rnaezm C304 TO'O''N. RA353`^ f 1 BAM@ l RAaea agg-!) C3077 30193l /E M354 3f5; A C372;
M341 C305) l P340 356| )Emsa Y @A355 msm/Buren M343 M364 C306,
la LINE o j C488 11 c/Rcu/T o lla Fig: j
f LINE j )f CIRCUIT. ...o
INVENTOR Harry N Neulsedt BY n u g ATTORNEYS July 28,1942. H. N. NEwsTEDT 2,291,497
. TELEPHONE SYSTEM Original Filed Feb. l,` 1940 20 Sheets-Sheet 4 Fl 4 l J Loc/u. coNNfcToR 25 694? c6941 L-PA 410/' PULSE GEN. 456
A ORNEVYS July 28. 1942# y H. N. Nleiws'n-:D'ry 2,291,497
TELEPHONE SYSTEMl l origina Filed Feb. 1, 1940 2o sheets-sheet 5 CNNECTOR 25 M25/4 INVENToR Har/y N News fed ATTORNEYS July 28, 1942.
H. N. NEWSTEDT TELEPHONE SYSTEM original Filed Feb. 1, 194,0 2o sheets-Sheet' e mees iff/'$52 INVENToR .,BY. 'nv-i n ZZ ATTORNEYS July 28, 1942- H. N. NEwsTl-:DT
TELEPHONE ySYSTEM l original Filed Feb. 1, 1940 ZONE METER/NG CIRCUIT 30 2O Sheets-Sheet '7 INVENTOR Har/1y N Neuisedz tay TIT.
ORNEYS July 28,j 1942.
H. N.- NEWSTEDT TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 SheeS-Sheeil 8 e735; i697 L y v P4654 669 h- 4 4 896 'ITORNEYS July 28, 1942.
Original Filed Feb. '1, 1940 H. N. NEWSTEDT TELEPHONE SYSTEM infomatie Switching 14H00/ams @al Off/'ce #E Tande/ uMf/'c EIC/lan Fig. E
l l I 70 Line 20 SheeLs--Sheerl 9 INVENTOR V Har/:y M Neusiedl BY MfMLyMM ATTORNEYS July 28, 1942- H. N. NEwsTED-r 2,291,497
TELEPHONE SYSTEM original Filed Feb. 1, I194() 20. sheets-sheet 1o ATTORNEYS H. N. NEwsTEDT 2,291,497
TELEPHONE SYSTEM Og original med Feb. 1, 1940 2o sheets-sheet 11 July 28, 1942.
` ,M im ATTORNEYS July 28, 1942. N, NEwsTED-r 2,291,497
TELEPHONE SYSTEM l Original Filed Feb. l, 1940 2O Sheets-Sheet 12 f Pe/oeaer 70 027g l j :P4/2m m26/ m76 C/772 4 2A24/2,2
/34/203 'Q4/25V 34/24/ [B4/274 Trunk Circa/' Manual Office #2 INVENTOR Har/31N Nezusea/ ATTORNEYS July 28, 1942. H. N. Nr-:wsTr-:DT 2,291,497
TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 Sheets-Sheet 17 1N VENTOR.
ATTORNEYS July 28, 1942. H. N. NEws'rEDT 2,291,497
' TELEPHONE SYSTEM original Filed Feb. 1, 1940 i 2o sheets-sheet 18 A f A M973 fAv1/902 M964 o/99/ iig/H903 K INVENTOR. Har/:y N Neustadt ATTORNEYS
US370391A 1940-02-01 1940-12-16 Telephone system Expired - Lifetime US2291497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US370391A US2291497A (en) 1940-02-01 1940-12-16 Telephone system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US316748A US2291496A (en) 1940-02-01 1940-02-01 Telephone system
US370391A US2291497A (en) 1940-02-01 1940-12-16 Telephone system

Publications (1)

Publication Number Publication Date
US2291497A true US2291497A (en) 1942-07-28

Family

ID=26980572

Family Applications (1)

Application Number Title Priority Date Filing Date
US370391A Expired - Lifetime US2291497A (en) 1940-02-01 1940-12-16 Telephone system

Country Status (1)

Country Link
US (1) US2291497A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491171A (en) * 1945-03-15 1949-12-13 Ericsson Telefon Ab L M Waiting call indicating device for semiautomatic telephone systems
US2757240A (en) * 1954-12-21 1956-07-31 Gen Dynamics Corp Gating circuit for lines incoming to an operator's position
US3214523A (en) * 1962-03-15 1965-10-26 American Telephone & Telegraph Automatic telephone system with camp-on facilities

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491171A (en) * 1945-03-15 1949-12-13 Ericsson Telefon Ab L M Waiting call indicating device for semiautomatic telephone systems
US2757240A (en) * 1954-12-21 1956-07-31 Gen Dynamics Corp Gating circuit for lines incoming to an operator's position
US3214523A (en) * 1962-03-15 1965-10-26 American Telephone & Telegraph Automatic telephone system with camp-on facilities

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