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US2070874A - Telephone system - Google Patents

Telephone system Download PDF

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Publication number
US2070874A
US2070874A US40686A US4068635A US2070874A US 2070874 A US2070874 A US 2070874A US 40686 A US40686 A US 40686A US 4068635 A US4068635 A US 4068635A US 2070874 A US2070874 A US 2070874A
Authority
US
United States
Prior art keywords
voss
telephone system
crocker
thomas
feb
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
US40686A
Inventor
John H Voss
Thomas F Crocker
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
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Priority to US40686A priority Critical patent/US2070874A/en
Application granted granted Critical
Publication of US2070874A publication Critical patent/US2070874A/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
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Definitions

  • FIG. 2 TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 4 OFFICE 8 (300 LINES) FIG. 2,

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Facsimiles In General (AREA)

Description

uuu; LII! HUi 5491 D? 2.070,!574
Feb." 16, 1937.
J. H. voss ET AL 2,070,874
TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet l PUBLIC EXCHANGE A 1 OFFICE IJI (90o LINE-s) (s00 LINES) LINES) BRANCH EXCHANGE I I (I500 LINES) J INVENTOR JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.
J. H. VOSS ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 Feb. 16, 1937. 2,070,874
34 Sheets-Sheet 2 PUBLIC EXCHANGE 1 OFFICE 9 (900 LINES) FIG. 2 PART I I L l l 97 I I POSITION 4 I-CB on. LINE [:13
C2) LC POSITION a I.BX u s a I POSITION 2 I POSITION 1 I I55I\ I I45I/ I INVENTOR.
JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.
Feb. 16, 1937. J. H. voss ET AL 2,070,374
TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 4 OFFICE 8 (300 LINES) FIG. 2,
PART 3 QI II55 I54 P56 155 (E I I'I I I I I T0 GROUPS LOC , INVENTOR. JOHN H. VOSS THOMAS F. CROCKER ATTORNEY,
Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM 34 Sheets-Sheet 5 Filed Sept. 16, 1935 SUB-OFFICE 86 (I00 LINES) I I I I I I INVENTOR.
JOHN H. V055 THOMAS F. CROCKER ZZZw A TTORNEY.
Feb. 16, 1937. J. H. voss El AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet '7 3 FROM H615 l-TOLL LINE TTQT i .1. TIMES? COUNT ec'5 lf3 POSITION 1 I FROM F1614 c I45I EC 1 a --o l POSITION i I INVENTOR. JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.
Feb. 16, 1937.
J. H. VOSS ET AL TELEPHONE SYSTEM Filed Spt. 16, 1955 34 Sheets-Sheet 8 )(KXXXXX XXXXXXXXXXXXXKX XANX X XX )K/ mXXXXXWXXXXXXXXXXXXXXXXXX) XXXXXX THOMAS INVENTOR. JOHN H. VOSS F. CROCKER A TTORNES Feb. 16, 1937.
INCOMING SELECTOR |s2 FROM FIG. I7
J. H. voss ET AL 2,070,874
TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 11 LIKE FIG. \0
SELECT :O R
INCOMING INVENTOR. JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.
Feb. 16, 1937.
J. H. VOSS ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet l2 mmkm mad I m m2: ulgu f 1N! 'ENTOR. JOHN H. VOSS THOMAS F. CROCKER ATTORNEY.
55 19 05 WEN; a 0
cmh mhmmmicz J. H. voss El AL 2,070,874
TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 1e THOMAS P. CROCKER ATTORNEY.
R. I ma 1 MC V 3.2 mH N H 0 J flmm ozzummuo IPEBM M ME. J54 em I so. 22 3 m a9 .52. 4 2.2.4: Y mnm 8Q mSQ . .2 41 Fill wzaaoumu f lnll rl ll. @930 J film mum. 4. mQQ Nesm2o. u UOJ mOkUwZZOU 2004 Feb. 16, 1937.
OHH' U I W1 Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM Filed Sept. 16. 1935 34 Sheets-Sheet 19 552m. .tdm P35 nub 3% 915 340 -nE. it,
INVEN TOR.
ZOCLOOL QZOWQWE ozammuunm 30d". OF
JOHN H. VOSS THOMAS F.
CROCKER A TTORNEY,
Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 20 :40 uuo P30 INVEN T 0R.
JOHN H. VOSS THOMAS F. CROCKER BY Z A TTORN E Y.
US40686A 1935-09-16 1935-09-16 Telephone system Expired - Lifetime US2070874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US40686A US2070874A (en) 1935-09-16 1935-09-16 Telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40686A US2070874A (en) 1935-09-16 1935-09-16 Telephone system

Publications (1)

Publication Number Publication Date
US2070874A true US2070874A (en) 1937-02-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US40686A Expired - Lifetime US2070874A (en) 1935-09-16 1935-09-16 Telephone system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424563A (en) * 1939-08-08 1947-07-29 Int Standard Electric Corp Private automatic branch exchange system
US2981804A (en) * 1958-05-14 1961-04-25 Telephone system switching control
US3015698A (en) * 1959-06-08 1962-01-02 Gen Dynamics Corp Annoyance call trapping circuit
US3137770A (en) * 1961-11-17 1964-06-16 American Telephone & Telegraph Telephone call holding arrangement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424563A (en) * 1939-08-08 1947-07-29 Int Standard Electric Corp Private automatic branch exchange system
US2981804A (en) * 1958-05-14 1961-04-25 Telephone system switching control
US3015698A (en) * 1959-06-08 1962-01-02 Gen Dynamics Corp Annoyance call trapping circuit
US3137770A (en) * 1961-11-17 1964-06-16 American Telephone & Telegraph Telephone call holding arrangement

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