US2739265A - Circuit-arrangement for use in automatic telephone system - Google Patents

Circuit-arrangement for use in automatic telephone system Download PDF

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Publication number
US2739265A
US2739265A US353112A US35311253A US2739265A US 2739265 A US2739265 A US 2739265A US 353112 A US353112 A US 353112A US 35311253 A US35311253 A US 35311253A US 2739265 A US2739265 A US 2739265A
Authority
US
United States
Prior art keywords
tube
circuit
tubes
point
voltage
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
US353112A
Other languages
English (en)
Inventor
Six Willem
Domburg Jacobus
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.)
Hartford National Bank and Trust Co
Original Assignee
Hartford National Bank and Trust 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 Hartford National Bank and Trust Co filed Critical Hartford National Bank and Trust Co
Application granted granted Critical
Publication of US2739265A publication Critical patent/US2739265A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/02—Circular saw blades
    • B23D61/023—Circular saw blades with inserted segments having more than one tooth
    • 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
    • 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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)
US353112A 1952-05-05 1953-05-05 Circuit-arrangement for use in automatic telephone system Expired - Lifetime US2739265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL313271X 1952-05-05

Publications (1)

Publication Number Publication Date
US2739265A true US2739265A (en) 1956-03-20

Family

ID=19783709

Family Applications (1)

Application Number Title Priority Date Filing Date
US353112A Expired - Lifetime US2739265A (en) 1952-05-05 1953-05-05 Circuit-arrangement for use in automatic telephone system

Country Status (7)

Country Link
US (1) US2739265A (xx)
BE (1) BE519679A (xx)
CH (2) CH313271A (xx)
DE (2) DE923672C (xx)
FR (2) FR1080761A (xx)
GB (2) GB725733A (xx)
NL (4) NL87343C (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862149A (en) * 1953-01-12 1958-11-25 Automatie Telephone & Electric Telecommunication systems
US2872619A (en) * 1954-02-04 1959-02-03 Automatic Telephone & Elect Counting circuits

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL254193A (xx) * 1959-07-29

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310105A (en) * 1941-04-16 1943-02-02 Gen Electric Counter circuit
US2549769A (en) * 1943-08-31 1951-04-24 Int Standard Electric Corp Arrangement for counting electrical impulses

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310105A (en) * 1941-04-16 1943-02-02 Gen Electric Counter circuit
US2549769A (en) * 1943-08-31 1951-04-24 Int Standard Electric Corp Arrangement for counting electrical impulses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862149A (en) * 1953-01-12 1958-11-25 Automatie Telephone & Electric Telecommunication systems
US2872619A (en) * 1954-02-04 1959-02-03 Automatic Telephone & Elect Counting circuits

Also Published As

Publication number Publication date
CH313271A (de) 1956-03-31
CH315217A (de) 1956-07-31
GB725733A (en) 1955-03-09
GB733577A (en) 1955-07-13
DE923672C (de) 1955-03-07
NL84684C (xx)
NL87343C (xx)
NL169331B (nl)
DE923673C (de) 1955-04-04
FR1080760A (fr) 1954-12-13
FR1080761A (fr) 1954-12-13
BE519679A (xx)
NL89685C (xx)

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