US1517331A - Telephone-exchange system - Google Patents
Telephone-exchange system Download PDFInfo
- 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
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)
- Data Exchanges In Wide-Area Networks (AREA)
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
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) |
-
1922
- 1922-10-23 US US596179A patent/US1517331A/en not_active Expired - Lifetime
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