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US2354660A - Automatic telephone switch and system - Google Patents

Automatic telephone switch and system Download PDF

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Publication number
US2354660A
US2354660A US451565A US45156542A US2354660A US 2354660 A US2354660 A US 2354660A US 451565 A US451565 A US 451565A US 45156542 A US45156542 A US 45156542A US 2354660 A US2354660 A US 2354660A
Authority
US
United States
Prior art keywords
automatic telephone
telephone switch
bellamy
sheet
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
US451565A
Inventor
John I Bellamy
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.)
Kellogg Switchboard and Supply Co
Original Assignee
Kellogg Switchboard and Supply Co
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 Kellogg Switchboard and Supply Co filed Critical Kellogg Switchboard and Supply Co
Priority to US451565A priority Critical patent/US2354660A/en
Application granted granted Critical
Publication of US2354660A publication Critical patent/US2354660A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

1944. J. 1. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20. 1942 53 Sheets-Sheet l FIG.E. FIG.2.
FzTrEz-fir' John LEEJJam Aug. '1, 1944.
.J. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 2 3 M2 M6 M5 M/O M9 2/ /9 I I I I l I A? f /8 /6 /-2 i 5-6 i a-m JUL/5172GT! John IE7 E'Ham 1, 1944. v J. l. BELLAMY AUTOMATIC TELEPHONE SWITCH AND SYSTEM Aug.
53 Sneaks-Sheet 3 Filed July 20. 1942 FIG.6.
' FIG].
4 Inuen a1" IBEHaz-ny Jul-1n b Aug. 1, 1944. J. l. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 4 Aug, '1, 1944.
J. l. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 6 To 0 THEE TEA/S geoups.
1944. J. '1. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 8 I I 7044 XCHANE V4000 I SW/TCHBOHQD flu 704m we I l (:55 F/fi. 40) I l .5469 n 5495 aw 20o 5. .94 To 54 99 TIE/1227755 Jul-2n lEE'Haz-n 1944- J. l. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 9 fl-/.95a 044900 09-3250 t PAR'IZ4.
1944. J. I. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 10 v 55' (SEE F/'.40) (:55 F/g. 4/) FIGJO'A.
PARTS.
F/z 4-7) Oil (5:: F/5-4?-45) (JEFF/65.48150) 95F OJ'CE 64-4700 'HE'I'ITEF Juhn Z Bellamy 1944. J. 1. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet l2 ZSP (:55 1-76. 22)
ID F74. 35)
/- SMl/O l Ll yLl Ll FIGJO'A. 7n us 17707".
PART]. John LEEZIaz-n J. l. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 13 (:EE FY6147) 05F Aug. 1, 1944.
(SEE F/. 4/)
SH9I- 37193 FIGJO A PARTS.
Inuenlfi John lfiellamy Aug. 1, 1944.
J. I. BELLAMY AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 16 Znuefiffirv John I. 27511517151 1944- r J. I. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 1'7 ZLCE " a; a C14 -/.900
(Re/MART MATCH) 764/V5FEE Aug. 1, 1944.
J. l. BELLAMY AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 18 FIGJS.
l I v. Q
. Must-HEP. Jul-1n ZEE'NHZTIH Aug. 1, 1944. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet l9 Plans.
e442. CH-lice /33 C4 -/40 0 A 2A 65 Aug. 1, 1944. J. 1. BELLAMY 2,354,660
AUTOMATIC TELEPHONE SWITCH AND SYSTEM Filed July 20, 1942 53 Sheets-Sheet 20 2 6444800 CA /60o BC/Z 4 4 4 2 2 4 int/5 4 4 4 676 a 5 In 112277011 John Bellamy
US451565A 1942-07-20 1942-07-20 Automatic telephone switch and system Expired - Lifetime US2354660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US451565A US2354660A (en) 1942-07-20 1942-07-20 Automatic telephone switch and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US451565A US2354660A (en) 1942-07-20 1942-07-20 Automatic telephone switch and system

Publications (1)

Publication Number Publication Date
US2354660A true US2354660A (en) 1944-08-01

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Family Applications (1)

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US451565A Expired - Lifetime US2354660A (en) 1942-07-20 1942-07-20 Automatic telephone switch and system

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US (1) US2354660A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508646A (en) * 1945-05-03 1950-05-23 Marble Clarence Telephone subscriber's individual switches operated in hunting operations on both incoming and outgoing calls to complete connections
US2559702A (en) * 1946-02-23 1951-07-10 Kellogg Switchboard & Supply Selector switching system
US2577067A (en) * 1948-02-17 1951-12-04 Kellogg Switchboard & Supply Crossbar switch
US2686841A (en) * 1950-10-13 1954-08-17 Itt Block coupler
US2772327A (en) * 1951-12-28 1956-11-27 Olsson Gunnar Daniel Damping means for selecting bars in crossbar switches
US3215784A (en) * 1961-12-22 1965-11-02 Bell Telephone Labor Inc Multicustomer private branch exchange

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508646A (en) * 1945-05-03 1950-05-23 Marble Clarence Telephone subscriber's individual switches operated in hunting operations on both incoming and outgoing calls to complete connections
US2559702A (en) * 1946-02-23 1951-07-10 Kellogg Switchboard & Supply Selector switching system
US2577067A (en) * 1948-02-17 1951-12-04 Kellogg Switchboard & Supply Crossbar switch
US2686841A (en) * 1950-10-13 1954-08-17 Itt Block coupler
US2772327A (en) * 1951-12-28 1956-11-27 Olsson Gunnar Daniel Damping means for selecting bars in crossbar switches
US3215784A (en) * 1961-12-22 1965-11-02 Bell Telephone Labor Inc Multicustomer private branch exchange

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