US1594003A - Telephone-exchange system - Google Patents

Telephone-exchange system Download PDF

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Publication number
US1594003A
US1594003A US723140A US72314024A US1594003A US 1594003 A US1594003 A US 1594003A US 723140 A US723140 A US 723140A US 72314024 A US72314024 A US 72314024A US 1594003 A US1594003 A US 1594003A
Authority
US
United States
Prior art keywords
exchange system
carpenter
sheets
july
filed june
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
US723140A
Inventor
Warren W Carpenter
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 US723140A priority Critical patent/US1594003A/en
Application granted granted Critical
Publication of US1594003A publication Critical patent/US1594003A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/08—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • 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)
  • Power Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Laminated Bodies (AREA)

Description

July 27, 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 30 Sheets-Sheet 1 /n V? /0 r: War/en M/. (arpen/er July 27 1926. 1,594,003
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 30 Sheets-Sheet 2 V vA-W/ /H van f0? Warren M Canoe 1 July 27 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 30 Sheets-Sheets In var/for.- WflllQl I M Canaan/er Arr j July 27 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 30 Sheets-Sheet 4 1 venfor: 1 Warren. W. Car wnfer Affy.
July 27 1926. 1,594,003
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 Z50 Sheets-Sheet 5 F/flf In vernor:
\July 27,1926. 1,594,003
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 30 Sheets-Sheet 6 /n ve I! 70 1*: Warren M Carpen/er Arry.
July 27 1926. 1,594,003
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM 30 Sheets-Sheet 7 Filed June 50, 1924 /H van for.- Warren W. Carper/fer 50 Sheets-She et' 8 PF B-6'05 52/ a/a 802 i 1 W. W. ,CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30,
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July 27,1926.
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July 27, 1926. 1,594,003
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 50 Shee ii 1O /n van/0r:
Warren M (m pen fer July 27 1926.
1,594,003 W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30, 1924 50 Sheets-Sheet l1 lH vel z for: Warren W.
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July 27 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed Jun so, 1924 :50 Sheets-Shet 12 W? I /H van for: Warren W. Carp enter July 27 1926. 1,594,003
. w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June so, 1924 so Sheets-Shet 15 l f/y/i /r1 ver/ for: Warren (4/. Carper; fer
July 27 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30. 1924 30 Sheets-Sheet 14 //4 van for: Warren M Carpenfer July 27 1926.
W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 0. 1 3O Sheets-Sheet 15 lm van for Warren W. Car pen fer July 27, 1926.
1,594,003 W. W. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 50, 1924 50 Sheets-51 16 /n ve/v 70K War/ en W. Carper: fer
TELEPHONE EXCHANGE SYSTEM Filed June 30. 1924 50 Sheets-Sheet 17 /r1 ver/ for: Warren M. Carperrfer July 27 1926. 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30'. 1924 3Q s s-sheet 1a /n venfor: Warren 14 Carper/fer- July 27 1926. 7 1,594,003
w. w. CARPENTER TELEPHONE EXCHANGE SYSTEM Filed June 30. 1924 30 Sheets-Sheet 20 /n venfor: Wan en- W. Carper) fer
US723140A 1924-06-30 1924-06-30 Telephone-exchange system Expired - Lifetime US1594003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US723140A US1594003A (en) 1924-06-30 1924-06-30 Telephone-exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US723140A US1594003A (en) 1924-06-30 1924-06-30 Telephone-exchange system

Publications (1)

Publication Number Publication Date
US1594003A true US1594003A (en) 1926-07-27

Family

ID=24905031

Family Applications (1)

Application Number Title Priority Date Filing Date
US723140A Expired - Lifetime US1594003A (en) 1924-06-30 1924-06-30 Telephone-exchange system

Country Status (1)

Country Link
US (1) US1594003A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426981A (en) * 1942-06-27 1947-09-09 Bell Telephone Labor Inc Automatic toll ticketing alarm system
US2657271A (en) * 1950-05-19 1953-10-27 Bell Telephone Labor Inc Line identification trouble indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426981A (en) * 1942-06-27 1947-09-09 Bell Telephone Labor Inc Automatic toll ticketing alarm system
US2657271A (en) * 1950-05-19 1953-10-27 Bell Telephone Labor Inc Line identification trouble indicator

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