US1517331A - Telephone-exchange system - Google Patents

Telephone-exchange system Download PDF

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Publication number
US1517331A
US1517331A US596179A US59617922A US1517331A US 1517331 A US1517331 A US 1517331A US 596179 A US596179 A US 596179A US 59617922 A US59617922 A US 59617922A US 1517331 A US1517331 A US 1517331A
Authority
US
United States
Prior art keywords
exchange system
williams
sheet
telephone
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
US596179A
Inventor
Jr Samuel B Williams
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 US596179A priority Critical patent/US1517331A/en
Priority to US721377A priority patent/US1567094A/en
Application granted granted Critical
Publication of US1517331A publication Critical patent/US1517331A/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

Dec. 1924. 1,517,331
5. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed on, 23, 1922 56 Sheets-Sheet 1 --J*==+\ g 1, w will] a 1 o o d st E kw jamuge fi Dec. 1924- 1,517,331
s. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed Oct. 23 1 ts-Sheet 2 //7 yen/0r.- 5amue/5 l V/fl/amsdr Dec. 1,517,331
5. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed O t, 23, 1922 56 Sheets-Sheet 5 Mien/ 5- Samue/B M/fiamsJ/r by ,arry.
5. B. wiLLlAMs. JR
TELEPHONE EXCHANGE SYSTEM Filed Oct. 23. 1922 56 Sheets-Sheet 4 //1 van for. Samue/B. Wf/fiamsdr by Mary S. B. WILLIAMS. JR
TELEPHONE EXCHANGE SYSTEM 23. 1922 36 Sheets-Sheet 5 Filed Oct.
Wren/0r Samuir/ 5. W/flmmsJ/r y Affy Dec, 2, 1924.
S. B. WILLIAMS. JR
TELEPHONE EXHANGE SYSTEM Dec. 2, 1924. 1,517,331
S. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed on. 23, 1922 36 Sheets-Sheet Awe/7mm- 5amue/B. V/Mam: Jx;
S. B. WILLIAMS. JR
TELEPHONE EXCHANGE SYSTEM 6% W m KM W V w Filed Oct. 23
Dec. 1924- 1,517,331
s. B. WILLIAMS, JR
TELEPHONE BK CHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-$heet 9 Q Q o,
by Af/y Dec. 1924- 1,517,331
5. B. WILLIAMS. JR
TELEPHONE momma SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet 10 Samue/ .l/l Mms/z by Any S. B. WILLIAMS. JR
TELEPHGNE EXCHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet l rwS mg E Q 36 Sheets-Sheet 1 2 S B WiLLlAMS JR TELEPHONE EXCHANGE SYSTEM Filed Oct. 25.
Deg, 2, 1924.
/m/e/7/0 Samue/ 5 W////ams J; y Affy.
S. B, WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet Amen/o4.- Samue/fl W/fiams/z y M. 14/15 S. B. WILLIAMS. JR
TELEPHONE EXCHANGE SYSTEM gm QNW. g
cs-Sheet l 4 .4 fly m QNQ gin. 3W.
//7 yen/pm bSGML/(f/ 5 VV/fl/amsd/r Filed Oct.
S. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM mwwwm a.
sa MW QRm Filed Oct. 23
NRQ
v rt QRQ QRQ
QNNQ
Q MIQ Who //7V6/7/0/. Samue/B msqz by A/fy S. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM Filed Oct. 23, 1922 36 Sheets-Sheet M) "4/725 Jr gal/fi l. A
//7 V??? 4 2/.- Jammy/5. b y W Dag, 2, 1924.
1,517,331 5. B. WILLIAMS, JR
ELEPHONE EXCHANGE SYSTEM Filed Oct. 23. 1922 56 Sheets-Sheet 1 8 y Any S. B. WILLIAMS, JR
TELEPHONE EXCHANGE SYSTEM :56 Sheets-Sheet 1 Filed Oct.
RNQ as? S. B. WILLIAMS. JR
TELEPHONE EXCHANGE SYSTEM F d ct, 23, 1922 36 Sheets-Sheet 2 QQQN
US596179A 1922-10-23 1922-10-23 Telephone-exchange system Expired - Lifetime US1517331A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US596179A US1517331A (en) 1922-10-23 1922-10-23 Telephone-exchange system
US721377A US1567094A (en) 1922-10-23 1924-06-21 Telephone-exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US596179A US1517331A (en) 1922-10-23 1922-10-23 Telephone-exchange system

Publications (1)

Publication Number Publication Date
US1517331A true US1517331A (en) 1924-12-02

Family

ID=24386265

Family Applications (1)

Application Number Title Priority Date Filing Date
US596179A Expired - Lifetime US1517331A (en) 1922-10-23 1922-10-23 Telephone-exchange system

Country Status (1)

Country Link
US (1) US1517331A (en)

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